./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2570419078 <...> Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. execve("./syz-executor2570419078", ["./syz-executor2570419078"], 0x7ffd26e98930 /* 10 vars */) = 0 brk(NULL) = 0x55558acd6000 brk(0x55558acd6d40) = 0x55558acd6d40 arch_prctl(ARCH_SET_FS, 0x55558acd63c0) = 0 set_tid_address(0x55558acd6690) = 5862 set_robust_list(0x55558acd66a0, 24) = 0 rseq(0x55558acd6ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2570419078", 4096) = 28 getrandom("\xc1\x07\xe1\x74\x78\x3e\x49\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558acd6d40 brk(0x55558acf7d40) = 0x55558acf7d40 brk(0x55558acf8000) = 0x55558acf8000 mprotect(0x7f44fa0aa000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached [pid 5863] set_robust_list(0x55558acd66a0, 24 [pid 5862] <... clone resumed>, child_tidptr=0x55558acd6690) = 5863 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] mkdir("./syzkaller.RonBJV", 0700./strace-static-x86_64: Process 5864 attached [pid 5864] set_robust_list(0x55558acd66a0, 24 [pid 5862] <... clone resumed>, child_tidptr=0x55558acd6690) = 5864 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5863] chmod("./syzkaller.RonBJV", 0777 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] mkdir("./syzkaller.o92HZR", 0700 [pid 5863] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5864] <... mkdir resumed>) = 0 [pid 5863] chdir("./syzkaller.RonBJV" [pid 5865] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... chdir resumed>) = 0 [pid 5862] <... clone resumed>, child_tidptr=0x55558acd6690) = 5865 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] chmod("./syzkaller.o92HZR", 0777 [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] mkdir("./syzkaller.7au5Jx", 0700 [pid 5863] mkdir("./0", 0777 [pid 5864] <... chmod resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5866 attached [pid 5864] chdir("./syzkaller.o92HZR" [pid 5866] set_robust_list(0x55558acd66a0, 24 [pid 5865] chmod("./syzkaller.7au5Jx", 0777 [pid 5864] <... chdir resumed>) = 0 [pid 5862] <... clone resumed>, child_tidptr=0x55558acd6690) = 5866 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] mkdir("./syzkaller.tBMFyJ", 0700 [pid 5865] <... chmod resumed>) = 0 [pid 5864] mkdir("./0", 0777./strace-static-x86_64: Process 5868 attached ./strace-static-x86_64: Process 5867 attached [pid 5865] chdir("./syzkaller.7au5Jx" [pid 5864] <... mkdir resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... chdir resumed>) = 0 [pid 5868] set_robust_list(0x55558acd66a0, 24 [pid 5867] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5868 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5862] <... clone resumed>, child_tidptr=0x55558acd6690) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] chmod("./syzkaller.tBMFyJ", 0777 [pid 5865] mkdir("./0", 0777 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] chdir("./0" [pid 5866] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5868] <... chdir resumed>) = 0 [pid 5867] mkdir("./syzkaller.EPCcud", 0700 [pid 5866] chdir("./syzkaller.tBMFyJ" [pid 5865] <... mkdir resumed>) = 0 [pid 5869] set_robust_list(0x55558acd66a0, 24 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5869 [pid 5868] <... prctl resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] <... chdir resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5869] chdir("./0") = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5870 attached [pid 5869] setpgid(0, 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5867] chmod("./syzkaller.EPCcud", 0777 [pid 5866] mkdir("./0", 0777 [pid 5870] set_robust_list(0x55558acd66a0, 24 [pid 5869] <... setpgid resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... set_robust_list resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... chmod resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5870 [pid 5870] chdir("./0") = 0 [pid 5869] <... openat resumed>) = 3 [pid 5868] <... openat resumed>) = 3 [pid 5867] chdir("./syzkaller.EPCcud" [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... chdir resumed>) = 0 [pid 5870] <... prctl resumed>) = 0 [pid 5869] write(3, "1000", 4 [pid 5867] mkdir("./0", 0777 [pid 5870] setpgid(0, 0 [pid 5869] <... write resumed>) = 4 [pid 5870] <... setpgid resumed>) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] close(3 [pid 5867] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5871 attached [pid 5868] write(3, "1000", 4 [pid 5869] <... close resumed>) = 0 [pid 5871] set_robust_list(0x55558acd66a0, 24 [pid 5870] <... openat resumed>) = 3 [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5868] <... write resumed>) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5871 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] write(3, "1000", 4 [pid 5868] close(3 [pid 5870] <... write resumed>) = 4 [pid 5869] <... symlink resumed>) = 0 [pid 5868] <... close resumed>) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5872 attached ) = 0 [pid 5872] set_robust_list(0x55558acd66a0, 24 [pid 5871] chdir("./0" [pid 5870] close(3 [pid 5869] write(1, "executing program\n", 18 [pid 5868] write(1, "executing program\n", 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5872 [pid 5871] <... chdir resumed>) = 0 [pid 5870] <... close resumed>) = 0 executing program executing program [pid 5872] <... set_robust_list resumed>) = 0 [pid 5869] <... write resumed>) = 18 [pid 5868] <... write resumed>) = 18 [pid 5872] chdir("./0" [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... chdir resumed>) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5869] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... prctl resumed>) = 0 [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5868] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5870] <... symlink resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5872] setpgid(0, 0 [pid 5871] setpgid(0, 0 [pid 5870] write(1, "executing program\n", 18 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5871] <... setpgid resumed>) = 0 [pid 5870] <... write resumed>) = 18 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5869] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5868] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5871] <... openat resumed>) = 3 [pid 5872] <... openat resumed>) = 3 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... mprotect resumed>) = 0 [pid 5868] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5872] write(3, "1000", 4 [pid 5871] write(3, "1000", 4 [pid 5870] <... futex resumed>) = 0 [pid 5872] <... write resumed>) = 4 [pid 5871] <... write resumed>) = 4 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5872] close(3 [pid 5871] close(3 [pid 5870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5872] <... close resumed>) = 0 [pid 5871] <... close resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5872] write(1, "executing program\n", 18 [pid 5871] <... symlink resumed>) = 0 executing program ./strace-static-x86_64: Process 5873 attached [pid 5872] <... write resumed>) = 18 executing program [pid 5871] write(1, "executing program\n", 18 [pid 5870] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... write resumed>) = 18 [pid 5872] <... futex resumed>) = 0 [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5871] <... futex resumed>) = 0 [pid 5870] <... mprotect resumed>) = 0 [pid 5872] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5874 attached [pid 5873] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5874] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5873] <... rseq resumed>) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873 [pid 5874] <... rseq resumed>) = 0 [pid 5873] set_robust_list(0x7f44f9fde9a0, 24 [pid 5872] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5868] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5874] set_robust_list(0x7f44f9fde9a0, 24 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5875 attached [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... mprotect resumed>) = 0 [pid 5871] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5870] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5869] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5871] <... mprotect resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... futex resumed>) = 0 [pid 5868] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... rseq resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5873] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5875] set_robust_list(0x7f44f9fde9a0, 24 [pid 5874] <... openat resumed>) = 3 [pid 5873] <... openat resumed>) = 3 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5873] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5870] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5876 attached [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5877 attached [pid 5876] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5875] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5874] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5872] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5868] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5876] <... rseq resumed>) = 0 [pid 5875] <... openat resumed>) = 3 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5871] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5876] set_robust_list(0x7f44f9fde9a0, 24 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... set_robust_list resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5876] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5877] <... rseq resumed>) = 0 [pid 5873] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5875] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5874] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... futex resumed>) = 1 [pid 5874] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5873] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5872] <... futex resumed>) = 1 [pid 5871] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5875] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... mmap resumed>) = 0x7f44f9f99000 [pid 5873] <... mmap resumed>) = 0x7f44f9f99000 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5876] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = 0 [pid 5877] <... openat resumed>) = 3 [pid 5876] <... openat resumed>) = 3 [pid 5875] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5874] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5873] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5874] <... mmap resumed>) = 0x7f44f9f59000 [pid 5873] <... mmap resumed>) = 0x7f44f9f59000 [pid 5872] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5876] <... futex resumed>) = 1 [pid 5872] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5871] <... futex resumed>) = 0 [pid 5876] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5875] <... mmap resumed>) = 0x7f44f9f99000 [pid 5874] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 0 [pid 5871] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 1 [pid 5877] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5876] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5874] <... futex resumed>) = 1 [pid 5873] <... futex resumed>) = 1 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5875] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5874] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5876] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5875] <... mmap resumed>) = 0x7f44f9f59000 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5877] <... mmap resumed>) = 0x7f44f9f99000 [pid 5875] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5875] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... mmap resumed>) = 0x7f44f9f99000 [pid 5877] <... mmap resumed>) = 0x7f44f9f59000 [pid 5875] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5868] <... futex resumed>) = 1 [pid 5876] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5874] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 1 [pid 5876] <... mmap resumed>) = 0x7f44f9f59000 [pid 5874] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] <... futex resumed>) = 0 [pid 5871] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 1 [pid 5869] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 1 [pid 5868] <... futex resumed>) = 1 [pid 5877] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5874] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5873] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5872] <... futex resumed>) = 0 [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 0 [pid 5876] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5876] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5872] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5872] <... futex resumed>) = 0 [pid 5872] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5871] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 1 [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 1 [pid 5877] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5871] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5876] <... io_uring_enter resumed>) = 4096 [pid 5876] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] exit_group(0 [pid 5876] <... futex resumed>) = ? [pid 5872] <... exit_group resumed>) = ? [pid 5876] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5874] <... io_uring_enter resumed>) = 4096 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5874] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5868] exit_group(0 [pid 5874] <... futex resumed>) = ? [pid 5868] <... exit_group resumed>) = ? [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5867] unlink("./0/binderfs" [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] <... unlink resumed>) = 0 [pid 5863] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5873] <... io_uring_enter resumed>) = 4096 [pid 5867] close(3 [pid 5863] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./0/binderfs" [pid 5867] <... close resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./0") = 0 [pid 5875] <... io_uring_enter resumed>) = 4096 [pid 5867] rmdir("./0" [pid 5863] mkdir("./1", 0777 [pid 5867] <... rmdir resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5878 ./strace-static-x86_64: Process 5878 attached [pid 5877] <... io_uring_enter resumed>) = 4096 [pid 5873] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./1", 0777 [pid 5875] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] exit_group(0 [pid 5870] exit_group(0 [pid 5878] set_robust_list(0x55558acd66a0, 24 [pid 5875] <... futex resumed>) = ? [pid 5873] <... futex resumed>) = ? [pid 5870] <... exit_group resumed>) = ? [pid 5869] <... exit_group resumed>) = ? [pid 5867] <... mkdir resumed>) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5878] chdir("./1" [pid 5875] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached [pid 5878] <... chdir resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5879] set_robust_list(0x55558acd66a0, 24 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5879 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... prctl resumed>) = 0 [pid 5879] chdir("./1" [pid 5878] setpgid(0, 0) = 0 [pid 5877] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] exit_group(0 [pid 5877] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5877] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5865] <... restart_syscall resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5879] <... chdir resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] getdents64(3, [pid 5864] <... openat resumed>) = 3 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(3, "", [pid 5879] <... prctl resumed>) = 0 [pid 5878] <... openat resumed>) = 3 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] setpgid(0, 0 [pid 5878] write(3, "1000", 4executing program [pid 5865] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5879] <... setpgid resumed>) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5878] <... write resumed>) = 4 [pid 5864] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5878] close(3 [pid 5866] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] <... close resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] symlink("/dev/binderfs", "./binderfs" [pid 5866] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./0/binderfs" [pid 5866] <... openat resumed>) = 3 [pid 5865] unlink("./0/binderfs" [pid 5864] <... unlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./0") = 0 [pid 5864] mkdir("./1", 0777) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5878] <... symlink resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./0" [pid 5879] <... openat resumed>) = 3 [pid 5878] write(1, "executing program\n", 18 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] <... write resumed>) = 18 [pid 5866] getdents64(3, ./strace-static-x86_64: Process 5880 attached [pid 5879] write(3, "1000", 4 [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] mkdir("./1", 0777 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5880 [pid 5879] <... write resumed>) = 4 [pid 5878] <... futex resumed>) = 0 [pid 5866] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... mkdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5879] close(3) = 0 [pid 5878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./0/binderfs" [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5880] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... unlink resumed>) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5880] chdir("./1" [pid 5879] <... symlink resumed>) = 0 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] getdents64(3, ./strace-static-x86_64: Process 5881 attached [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] write(1, "executing program\n", 18 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5880] <... chdir resumed>) = 0 [pid 5866] close(3 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5879] <... write resumed>) = 18 [pid 5866] <... close resumed>) = 0 [pid 5878] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] rmdir("./0" [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5881 [pid 5878] <... mprotect resumed>) = 0 [pid 5880] <... prctl resumed>) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... rmdir resumed>) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5879] <... futex resumed>) = 0 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] mkdir("./1", 0777 [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5881] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5881] chdir("./1" [pid 5866] <... mkdir resumed>) = 0 [pid 5879] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5881] <... chdir resumed>) = 0 [pid 5880] write(3, "1000", 4 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] <... write resumed>) = 4 [pid 5881] <... prctl resumed>) = 0 [pid 5880] close(3 [pid 5881] setpgid(0, 0 [pid 5880] <... close resumed>) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5883 attached [pid 5881] <... setpgid resumed>) = 0 [pid 5880] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5882 ./strace-static-x86_64: Process 5882 attached [pid 5879] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5878] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5879] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5882] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5880] <... symlink resumed>) = 0 [pid 5879] <... mprotect resumed>) = 0 [pid 5882] chdir("./1" [pid 5881] <... openat resumed>) = 3 executing program [pid 5880] write(1, "executing program\n", 18 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5881] write(3, "1000", 4 [pid 5880] <... write resumed>) = 18 executing program [pid 5882] <... chdir resumed>) = 0 [pid 5881] <... write resumed>) = 4 [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] close(3 [pid 5880] <... futex resumed>) = 0 [pid 5881] <... close resumed>) = 0 [pid 5880] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5880] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5881] <... symlink resumed>) = 0 [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5881] write(1, "executing program\n", 18 [pid 5880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... rseq resumed>) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] <... write resumed>) = 18 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... prctl resumed>) = 0 [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5878] <... futex resumed>) = 0 [pid 5882] setpgid(0, 0 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... setpgid resumed>) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5880] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5880] <... mprotect resumed>) = 0 [pid 5879] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... openat resumed>) = 3 [pid 5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5879] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5883] set_robust_list(0x7f44f9fde9a0, 24 [pid 5882] write(3, "1000", 4 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5885 attached [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5883] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5881] <... mprotect resumed>) = 0 [pid 5880] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 [pid 5882] <... write resumed>) = 4 [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... openat resumed>) = 3 [pid 5882] close(3 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... close resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5880] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... symlink resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 0 [pid 5881] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 executing program [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] write(1, "executing program\n", 18./strace-static-x86_64: Process 5886 attached [pid 5885] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5884] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5882] <... write resumed>) = 18 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... rseq resumed>) = 0 [pid 5884] <... rseq resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5885] set_robust_list(0x7f44f9fde9a0, 24 [pid 5884] set_robust_list(0x7f44f9fde9a0, 24 [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 1 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5882] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... rseq resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] set_robust_list(0x7f44f9fde9a0, 24 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5884] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5883] <... mmap resumed>) = 0x7f44f9f99000 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] <... openat resumed>) = 3 [pid 5884] <... openat resumed>) = 3 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5885] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5883] <... mmap resumed>) = 0x7f44f9f59000 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5885] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5880] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] <... futex resumed>) = 0 [pid 5885] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5882] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5886] <... futex resumed>) = 1 [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5885] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5884] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5883] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5882] <... mprotect resumed>) = 0 [pid 5881] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5884] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5885] <... mmap resumed>) = 0x7f44f9f99000 [pid 5884] <... mmap resumed>) = 0x7f44f9f99000 [pid 5885] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5884] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5885] <... mmap resumed>) = 0x7f44f9f59000 [pid 5884] <... mmap resumed>) = 0x7f44f9f59000 [pid 5885] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5886] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5881] <... futex resumed>) = 0 [pid 5879] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 0 [pid 5884] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5886] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5885] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5880] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 1 [pid 5885] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5880] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5880] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... futex resumed>) = 0 [pid 5883] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5883] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... mmap resumed>) = 0x7f44f9f99000 [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5878] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5879] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5883] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 1 [pid 5886] <... mmap resumed>) = 0x7f44f9f59000 [pid 5884] <... futex resumed>) = 0 [pid 5883] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5878] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5884] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5881] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5886] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=29000000} [pid 5886] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5886] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5881] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5887 attached [pid 5881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5881] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5882] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5887] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... rseq resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5887] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5887] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5887] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5887] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5887] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5887] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5887] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5887] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5887] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5887] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5887] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... futex resumed>) = 0 [pid 5887] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5887] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5882] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5884] <... io_uring_enter resumed>) = 4096 [pid 5883] <... io_uring_enter resumed>) = 4096 [pid 5884] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] exit_group(0) = ? [pid 5885] <... io_uring_enter resumed>) = 4096 [pid 5883] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5884] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5878] exit_group(0) = ? [pid 5883] +++ exited with 0 +++ [pid 5878] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5886] <... io_uring_enter resumed>) = 4096 [pid 5886] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5885] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... futex resumed>) = 0 [pid 5886] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] exit_group(0 [pid 5880] exit_group(0 [pid 5886] <... futex resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5881] <... exit_group resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5886] +++ exited with 0 +++ [pid 5885] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... openat resumed>) = 3 [pid 5865] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(3, "", [pid 5865] <... openat resumed>) = 3 [pid 5863] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] newfstatat(3, "", [pid 5864] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] getdents64(3, [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] getdents64(3, [pid 5864] <... openat resumed>) = 3 [pid 5867] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] newfstatat(3, "", [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(3, "", [pid 5867] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5865] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] unlink("./1/binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] getdents64(3, [pid 5863] getdents64(3, [pid 5867] <... unlink resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] getdents64(3, [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] unlink("./1/binderfs" [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] close(3 [pid 5865] <... unlink resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5863] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5867] <... close resumed>) = 0 [pid 5865] getdents64(3, [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] rmdir("./1" [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] unlink("./1/binderfs" [pid 5863] unlink("./1/binderfs" [pid 5867] <... rmdir resumed>) = 0 [pid 5865] close(3 [pid 5864] <... unlink resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5867] mkdir("./2", 0777 [pid 5865] <... close resumed>) = 0 [pid 5864] getdents64(3, [pid 5863] getdents64(3, [pid 5867] <... mkdir resumed>) = 0 [pid 5865] rmdir("./1" [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... rmdir resumed>) = 0 [pid 5864] close(3 [pid 5863] close(3./strace-static-x86_64: Process 5888 attached [pid 5865] mkdir("./2", 0777 [pid 5864] <... close resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5888 [pid 5865] <... mkdir resumed>) = 0 [pid 5864] rmdir("./1" [pid 5863] rmdir("./1" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... rmdir resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5889 attached [pid 5864] mkdir("./2", 0777 [pid 5863] mkdir("./2", 0777 [pid 5889] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5889 [pid 5864] <... mkdir resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5891] set_robust_list(0x55558acd66a0, 24 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] set_robust_list(0x55558acd66a0, 24 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5890 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5891 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5889] chdir("./2" [pid 5888] <... set_robust_list resumed>) = 0 [pid 5891] chdir("./2" [pid 5889] <... chdir resumed>) = 0 [pid 5888] chdir("./2" [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... chdir resumed>) = 0 [pid 5889] <... prctl resumed>) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5890 attached [pid 5889] setpgid(0, 0 [pid 5888] <... prctl resumed>) = 0 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] setpgid(0, 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... setpgid resumed>) = 0 [pid 5889] <... openat resumed>) = 3 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] set_robust_list(0x55558acd66a0, 24 [pid 5888] <... openat resumed>) = 3 [pid 5888] write(3, "1000", 4 [pid 5891] <... chdir resumed>) = 0 [pid 5888] <... write resumed>) = 4 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] write(3, "1000", 4 [pid 5891] setpgid(0, 0 [pid 5888] close(3 [pid 5891] <... setpgid resumed>) = 0 [pid 5890] chdir("./2" [pid 5889] <... write resumed>) = 4 [pid 5888] <... close resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... chdir resumed>) = 0 [pid 5889] close(3 [pid 5888] symlink("/dev/binderfs", "./binderfs" [pid 5891] <... openat resumed>) = 3 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... close resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 [pid 5890] <... prctl resumed>) = 0 [pid 5889] symlink("/dev/binderfs", "./binderfs" [pid 5888] write(1, "executing program\n", 18 [pid 5891] write(3, "1000", 4 [pid 5890] setpgid(0, 0 [pid 5889] <... symlink resumed>) = 0 [pid 5891] <... write resumed>) = 4 [pid 5890] <... setpgid resumed>) = 0 [pid 5889] write(1, "executing program\n", 18 [pid 5891] close(3 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] <... write resumed>) = 18 [pid 5888] <... write resumed>) = 18 [pid 5891] <... close resumed>) = 0 [pid 5890] <... openat resumed>) = 3 [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program executing program executing program [pid 5888] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] symlink("/dev/binderfs", "./binderfs" [pid 5890] write(3, "1000", 4 [pid 5889] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5891] <... symlink resumed>) = 0 [pid 5889] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5889] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5891] write(1, "executing program\n", 18 [pid 5889] <... mprotect resumed>) = 0 [pid 5891] <... write resumed>) = 18 [pid 5889] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5891] <... futex resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5892 attached [pid 5891] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5890] <... write resumed>) = 4 [pid 5888] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5890] close(3 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5890] <... close resumed>) = 0 [pid 5889] <... clone3 resumed> => {parent_tid=[5892]}, 88) = 5892 [pid 5888] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] symlink("/dev/binderfs", "./binderfs" [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] <... mprotect resumed>) = 0 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5891] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5890] <... symlink resumed>) = 0 [pid 5889] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5890] write(1, "executing program\n", 18 [pid 5889] <... futex resumed>) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5893 attached [pid 5891] <... mprotect resumed>) = 0 [pid 5890] <... write resumed>) = 18 [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] <... rseq resumed>) = 0 [pid 5888] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5892] set_robust_list(0x7f44f9fde9a0, 24 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... set_robust_list resumed>) = 0 [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5888] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... openat resumed>) = 3 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5892] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5894 attached [pid 5889] <... futex resumed>) = 0 [pid 5889] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5892] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5892] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... mmap resumed>) = 0x7f44f9f99000 [pid 5891] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5894] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... rseq resumed>) = 0 [pid 5892] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... mmap resumed>) = 0x7f44f9f59000 [pid 5891] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] set_robust_list(0x7f44f9fde9a0, 24 [pid 5892] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 1 [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... futex resumed>) = 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5892] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... openat resumed>) = 3 [pid 5889] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 1 [pid 5892] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... futex resumed>) = 0 [pid 5891] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5894] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5892] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5889] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5894] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5893] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5890] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5893] <... rseq resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7f44f9f99000 [pid 5893] set_robust_list(0x7f44f9fde9a0, 24 [pid 5890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5894] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5894] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5894] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... futex resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 1 [pid 5894] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 5894] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5891] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5888] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5893] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5890] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5888] <... futex resumed>) = 0 [pid 5887] <... io_uring_enter resumed>) = 4096 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 5890] <... mprotect resumed>) = 0 [pid 5888] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5893] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... mprotect resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 5895 attached => {parent_tid=[5895]}, 88) = 5895 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5895] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 5888] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... rseq resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5895] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5888] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... set_robust_list resumed>) = 0 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5895] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5887] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5887] <... futex resumed>) = 0 [pid 5895] <... mmap resumed>) = 0x7f44f9f78000 [pid 5887] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 5895] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 1 [pid 5890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5882] exit_group(0 [pid 5890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5882] <... exit_group resumed>) = ? [pid 5890] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5890] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... futex resumed>) = ? ./strace-static-x86_64: Process 5896 attached [pid 5896] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5896] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5896] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5893] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5887] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5896] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5890] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5896] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5896] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5896] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = 0 [pid 5890] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] <... futex resumed>) = 1 [pid 5896] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = 0 [pid 5890] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] <... futex resumed>) = 1 [pid 5896] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = 0 [pid 5890] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] <... futex resumed>) = 1 [pid 5896] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5893] <... futex resumed>) = 0 [pid 5888] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5893] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] newfstatat(3, "", [pid 5888] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./1/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./1") = 0 [pid 5866] mkdir("./2", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5891] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5897] set_robust_list(0x55558acd66a0, 24 [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5897 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5890] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5897] chdir("./2" [pid 5888] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5897] <... chdir resumed>) = 0 [pid 5893] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5888] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5897] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5898 attached [pid 5898] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5897] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5898] <... rseq resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] set_robust_list(0x7f44f9fde9a0, 24 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... futex resumed>) = 0 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5898] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5898] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5897] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5897] <... futex resumed>) = 0 [pid 5898] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... mmap resumed>) = 0x7f44f9f99000 [pid 5898] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5898] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5898] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5898] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5898] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5897] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5892] <... io_uring_enter resumed>) = 4096 [pid 5892] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5889] exit_group(0) = ? [pid 5894] <... io_uring_enter resumed>) = 4096 [pid 5892] +++ exited with 0 +++ [pid 5889] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5893] <... io_uring_enter resumed>) = 4096 [pid 5896] <... io_uring_enter resumed>) = 4096 [pid 5894] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5893] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5893] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] exit_group(0 [pid 5865] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5894] <... futex resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5890] exit_group(0 [pid 5888] exit_group(0 [pid 5865] <... openat resumed>) = 3 [pid 5896] <... futex resumed>) = ? [pid 5893] <... futex resumed>) = ? [pid 5890] <... exit_group resumed>) = ? [pid 5888] <... exit_group resumed>) = ? [pid 5865] newfstatat(3, "", [pid 5896] +++ exited with 0 +++ [pid 5895] <... futex resumed>) = ? [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5895] +++ exited with 0 +++ [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./2/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5890] +++ exited with 0 +++ [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./2" [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] <... rmdir resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5893] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5865] mkdir("./3", 0777 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] <... mkdir resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- ./strace-static-x86_64: Process 5899 attached [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5899 [pid 5867] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... openat resumed>) = 3 [pid 5864] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] newfstatat(3, "", [pid 5864] <... openat resumed>) = 3 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] newfstatat(3, "", [pid 5863] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] getdents64(3, [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] getdents64(3, [pid 5863] newfstatat(3, "", [pid 5867] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5864] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] getdents64(3, [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] unlink("./2/binderfs" [pid 5864] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5863] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... unlink resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] getdents64(3, [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] unlink("./2/binderfs" [pid 5867] close(3 [pid 5863] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5867] <... close resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5867] rmdir("./2" [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, [pid 5867] mkdir("./3", 0777 [pid 5863] unlink("./2/binderfs" [pid 5867] <... mkdir resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... unlink resumed>) = 0 [pid 5864] close(3./strace-static-x86_64: Process 5900 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5900 [pid 5863] getdents64(3, [pid 5900] set_robust_list(0x55558acd66a0, 24 [pid 5864] <... close resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5900] chdir("./3" [pid 5864] rmdir("./2" [pid 5863] close(3 [pid 5900] <... chdir resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... rmdir resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5900] <... prctl resumed>) = 0 [pid 5864] mkdir("./3", 0777 [pid 5863] rmdir("./2" [pid 5900] setpgid(0, 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] mkdir("./3", 0777./strace-static-x86_64: Process 5901 attached [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... mkdir resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5901 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 5900] write(3, "1000", 4./strace-static-x86_64: Process 5902 attached [pid 5901] set_robust_list(0x55558acd66a0, 24 [pid 5902] set_robust_list(0x55558acd66a0, 24 [pid 5900] <... write resumed>) = 4 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5902 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] close(3 [pid 5902] chdir("./3" [pid 5900] <... close resumed>) = 0 [pid 5902] <... chdir resumed>) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5902] <... prctl resumed>) = 0 [pid 5902] setpgid(0, 0 [pid 5900] <... symlink resumed>) = 0 [pid 5902] <... setpgid resumed>) = 0 [pid 5900] write(1, "executing program\n", 18 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] <... write resumed>) = 18 [pid 5902] <... openat resumed>) = 3 [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] write(3, "1000", 4 [pid 5900] <... futex resumed>) = 0 [pid 5902] <... write resumed>) = 4 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5902] close(3 [pid 5900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5902] <... close resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5902] symlink("/dev/binderfs", "./binderfs" [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5902] <... symlink resumed>) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] write(1, "executing program\n", 18 [pid 5900] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5902] <... write resumed>) = 18 [pid 5900] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... mprotect resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5903 attached [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5900] <... clone3 resumed> => {parent_tid=[5903]}, 88) = 5903 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5900] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... mprotect resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5903] <... rseq resumed>) = 0 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5901] chdir("./3" [pid 5899] set_robust_list(0x55558acd66a0, 24 [pid 5901] <... chdir resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5902] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] set_robust_list(0x7f44f9fde9a0, 24 [pid 5902] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5903] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] chdir("./3" [pid 5903] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5900] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643./strace-static-x86_64: Process 5904 attached , sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5901] <... prctl resumed>) = 0 [pid 5899] <... chdir resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] <... setpgid resumed>) = 0 [pid 5899] <... prctl resumed>) = 0 [pid 5899] setpgid(0, 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5903] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5903] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5900] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5903] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... openat resumed>) = 3 [pid 5899] <... setpgid resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] <... rseq resumed>) = 0 [pid 5901] write(3, "1000", 4) = 4 [pid 5899] <... openat resumed>) = 3 [pid 5901] close(3 [pid 5904] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5903] <... futex resumed>) = 1 [pid 5901] <... close resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5899] write(3, "1000", 4 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] symlink("/dev/binderfs", "./binderfs" [pid 5900] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... write resumed>) = 4 [pid 5900] <... futex resumed>) = 0 [pid 5903] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5900] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5899] close(3 [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... symlink resumed>) = 0 [pid 5899] <... close resumed>) = 0 [pid 5899] symlink("/dev/binderfs", "./binderfs" [pid 5904] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program ) = 3 [pid 5901] write(1, "executing program\n", 18 [pid 5899] <... symlink resumed>) = 0 executing program [pid 5904] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... write resumed>) = 18 [pid 5899] write(1, "executing program\n", 18 [pid 5904] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5901] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... write resumed>) = 18 [pid 5904] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5901] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5899] <... futex resumed>) = 0 [pid 5904] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5899] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5904] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5904] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... mmap resumed>) = 0x7f44f9f99000 [pid 5899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5899] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5904] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5899] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5904] <... mmap resumed>) = 0x7f44f9f59000 [pid 5904] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5899] <... mprotect resumed>) = 0 [pid 5899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5904] <... futex resumed>) = 1 [pid 5901] <... mprotect resumed>) = 0 [pid 5904] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5902] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5904] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5904] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5904] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5904] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5902] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5905 attached [pid 5898] <... io_uring_enter resumed>) = 4096 [pid 5905] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5905] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5898] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] <... futex resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5898] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5905] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... openat resumed>) = 3 [pid 5905] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] exit_group(0 [pid 5899] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 ./strace-static-x86_64: Process 5906 attached [pid 5905] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5899] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = ? [pid 5897] <... exit_group resumed>) = ? [pid 5906] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5905] <... mmap resumed>) = 0x7f44f9f99000 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] +++ exited with 0 +++ [pid 5906] <... rseq resumed>) = 0 [pid 5905] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5901] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 [pid 5897] +++ exited with 0 +++ [pid 5906] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5906] <... set_robust_list resumed>) = 0 [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./2/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./2") = 0 [pid 5905] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] mkdir("./3", 0777) = 0 [pid 5905] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... futex resumed>) = 1 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5907 [pid 5905] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] set_robust_list(0x55558acd66a0, 24 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5901] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5907] chdir("./3" [pid 5906] <... openat resumed>) = 3 [pid 5905] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... chdir resumed>) = 0 [pid 5906] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5901] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] <... futex resumed>) = 0 [pid 5905] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... prctl resumed>) = 0 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 0 [pid 5907] setpgid(0, 0 [pid 5906] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5905] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... setpgid resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5901] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5899] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... openat resumed>) = 3 [pid 5899] <... futex resumed>) = 0 [pid 5907] write(3, "1000", 4) = 4 [pid 5907] close(3) = 0 executing program [pid 5907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5899] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] write(1, "executing program\n", 18) = 18 [pid 5907] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5906] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5907] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5908]}, 88) = 5908 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 5908 attached [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... mmap resumed>) = 0x7f44f9f99000 [pid 5908] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5906] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5908] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5906] <... mmap resumed>) = 0x7f44f9f59000 [pid 5901] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5906] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] <... futex resumed>) = 0 [pid 5908] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 5906] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... mmap resumed>) = 0x7f44f9f38000 [pid 5908] <... openat resumed>) = 3 [pid 5907] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5901] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... mprotect resumed>) = 0 [pid 5901] <... mprotect resumed>) = 0 [pid 5908] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5908] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 5907] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5907] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5910 attached [pid 5907] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5909 attached [pid 5910] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 [pid 5909] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 5901] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5910] set_robust_list(0x7f44f9f589a0, 24 [pid 5909] <... rseq resumed>) = 0 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... set_robust_list resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5909] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5901] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5901] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5906] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5906] <... futex resumed>) = 0 [pid 5906] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... mmap resumed>) = 0x7f44f9f78000 [pid 5901] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5906] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5906] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5901] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... mmap resumed>) = 0x7f44f9f38000 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5909] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 0 [pid 5907] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 0 [pid 5908] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5908] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5908] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5907] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... io_uring_enter resumed>) = 4096 [pid 5903] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] exit_group(0) = ? [pid 5903] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./3/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./3") = 0 [pid 5867] mkdir("./4", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5911 ./strace-static-x86_64: Process 5911 attached [pid 5911] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5911] chdir("./4") = 0 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5911] setpgid(0, 0) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5911] write(3, "1000", 4) = 4 [pid 5911] close(3executing program ) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5911] write(1, "executing program\n", 18) = 18 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] <... io_uring_enter resumed>) = 4096 [pid 5911] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5911] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5911] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5912 attached => {parent_tid=[5912]}, 88) = 5912 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5911] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5912] set_robust_list(0x7f44f9fde9a0, 24 [pid 5902] exit_group(0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5904] <... futex resumed>) = ? [pid 5902] <... exit_group resumed>) = ? [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5912] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5863] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5912] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 3 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 5912] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5912] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5912] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5912] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] unlink("./3/binderfs") = 0 [pid 5912] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5911] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] close(3 [pid 5911] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rmdir("./3") = 0 [pid 5863] mkdir("./4", 0777) = 0 [pid 5912] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached , child_tidptr=0x55558acd6690) = 5913 [pid 5913] set_robust_list(0x55558acd66a0, 24 [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5911] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] chdir("./4" [pid 5912] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = 0 [pid 5913] <... chdir resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... prctl resumed>) = 0 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] setpgid(0, 0 [pid 5912] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5911] <... futex resumed>) = 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5911] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5913] write(3, "1000", 4) = 4 [pid 5913] close(3) = 0 executing program [pid 5913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5913] write(1, "executing program\n", 18) = 18 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5913] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5914 attached => {parent_tid=[5914]}, 88) = 5914 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5913] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5914] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5914] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5914] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... io_uring_enter resumed>) = 4096 [pid 5914] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5913] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5914] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5914] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5914] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5913] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5913] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5913] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] exit_group(0 [pid 5914] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5905] <... futex resumed>) = ? [pid 5899] <... exit_group resumed>) = ? [pid 5905] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./3/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./3") = 0 [pid 5865] mkdir("./4", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached , child_tidptr=0x55558acd6690) = 5915 [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5915] set_robust_list(0x55558acd66a0, 24 [pid 5913] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5915] <... set_robust_list resumed>) = 0 [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5915] chdir("./4") = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] <... io_uring_enter resumed>) = 4096 [pid 5915] setpgid(0, 0) = 0 [pid 5906] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] exit_group(0) = ? [pid 5910] <... futex resumed>) = ? [pid 5906] <... futex resumed>) = ? [pid 5906] +++ exited with 0 +++ [pid 5908] <... io_uring_enter resumed>) = 4096 [pid 5908] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5908] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] exit_group(0 [pid 5909] <... futex resumed>) = ? [pid 5908] <... futex resumed>) = ? [pid 5907] <... exit_group resumed>) = ? [pid 5909] +++ exited with 0 +++ [pid 5908] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./3/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./3") = 0 [pid 5866] mkdir("./4", 0777) = 0 [pid 5910] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5916 [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./3/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./3") = 0 [pid 5864] mkdir("./4", 0777./strace-static-x86_64: Process 5916 attached [pid 5915] <... openat resumed>) = 3 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5917 attached , child_tidptr=0x55558acd6690) = 5917 [pid 5917] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5917] chdir("./4") = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5917] setpgid(0, 0) = 0 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5917] write(3, "1000", 4) = 4 [pid 5917] close(3) = 0 [pid 5917] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5916] set_robust_list(0x55558acd66a0, 24 [pid 5915] write(3, "1000", 4 [pid 5917] write(1, "executing program\n", 18) = 18 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] <... write resumed>) = 4 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] chdir("./4" [pid 5915] close(3 [pid 5917] <... futex resumed>) = 0 [pid 5917] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5917] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5916] <... chdir resumed>) = 0 [pid 5915] <... close resumed>) = 0 [pid 5917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5918 attached [pid 5915] symlink("/dev/binderfs", "./binderfs" [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... rseq resumed>) = 0 [pid 5917] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] set_robust_list(0x7f44f9fde9a0, 24 [pid 5917] <... futex resumed>) = 0 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5918] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5918] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5918] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5917] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5917] <... futex resumed>) = 0 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5918] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 executing program [pid 5918] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5917] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5917] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... prctl resumed>) = 0 [pid 5915] <... symlink resumed>) = 0 [pid 5918] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5917] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5917] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5915] write(1, "executing program\n", 18 [pid 5916] setpgid(0, 0 [pid 5915] <... write resumed>) = 18 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... futex resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5916] write(3, "1000", 4 [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5916] <... write resumed>) = 4 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] close(3 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5916] <... close resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5915] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 5916] write(1, "executing program\n", 18 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5917] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5916] <... write resumed>) = 18 [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] <... io_uring_enter resumed>) = 4096 [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5919 attached [pid 5916] <... futex resumed>) = 0 [pid 5912] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5911] exit_group(0 [pid 5919] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5915] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5912] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] <... futex resumed>) = ? [pid 5911] <... exit_group resumed>) = ? [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5919] <... rseq resumed>) = 0 [pid 5919] set_robust_list(0x7f44f9fde9a0, 24 [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] +++ exited with 0 +++ [pid 5911] +++ exited with 0 +++ [pid 5919] <... set_robust_list resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... futex resumed>) = 0 [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5916] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] <... openat resumed>) = 3 [pid 5916] <... mprotect resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5919] <... futex resumed>) = 1 [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5915] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5920 attached [pid 5919] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5915] <... futex resumed>) = 0 [pid 5867] unlink("./4/binderfs" [pid 5920] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5916] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... rseq resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./4") = 0 [pid 5867] mkdir("./5", 0777 [pid 5920] set_robust_list(0x7f44f9fde9a0, 24 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5921 attached [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5916] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5921 [pid 5919] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5920] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... mmap resumed>) = 0x7f44f9f99000 [pid 5920] <... openat resumed>) = 3 [pid 5919] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5921] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5920] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... mmap resumed>) = 0x7f44f9f59000 [pid 5914] <... io_uring_enter resumed>) = 4096 [pid 5921] chdir("./5" [pid 5920] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5919] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... chdir resumed>) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5921] setpgid(0, 0) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5919] <... futex resumed>) = 0 [pid 5916] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] <... futex resumed>) = 0 [pid 5921] <... openat resumed>) = 3 [pid 5920] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5913] exit_group(0) = ? [pid 5914] +++ exited with 0 +++ [pid 5913] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5921] write(3, "1000", 4) = 4 [pid 5921] close(3) = 0 [pid 5921] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5919] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5863] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./4/binderfs" [pid 5919] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... unlink resumed>) = 0 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5919] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5915] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3executing program ) = 0 [pid 5863] rmdir("./4") = 0 [pid 5863] mkdir("./5", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5922 [pid 5921] write(1, "executing program\n", 18) = 18 [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5921] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5921] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5921] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5920] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 5922 attached [pid 5922] set_robust_list(0x55558acd66a0, 24 [pid 5920] <... mmap resumed>) = 0x7f44f9f99000 [pid 5921] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5920] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5923]}, 88) = 5923 [pid 5920] <... mmap resumed>) = 0x7f44f9f59000 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5921] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5920] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5920] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] chdir("./5"./strace-static-x86_64: Process 5923 attached [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5920] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... rseq resumed>) = 0 [pid 5922] <... chdir resumed>) = 0 [pid 5923] set_robust_list(0x7f44f9fde9a0, 24 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... prctl resumed>) = 0 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] setpgid(0, 0 [pid 5920] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] <... setpgid resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] <... openat resumed>) = 3 [pid 5922] <... openat resumed>) = 3 [pid 5923] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] write(3, "1000", 4 [pid 5923] <... futex resumed>) = 1 [pid 5922] <... write resumed>) = 4 [pid 5921] <... futex resumed>) = 0 [pid 5923] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5922] close(3 [pid 5921] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5922] <... close resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5923] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5922] symlink("/dev/binderfs", "./binderfs" [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... mmap resumed>) = 0x7f44f9f99000 [pid 5922] <... symlink resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5923] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5922] write(1, "executing program\n", 18 [pid 5920] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5923] <... mmap resumed>) = 0x7f44f9f59000 [pid 5922] <... write resumed>) = 18 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 1 [pid 5923] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5921] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5916] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5923] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5923] <... futex resumed>) = 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5921] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5922] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5921] <... futex resumed>) = 1 [pid 5923] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... mprotect resumed>) = 0 [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5921] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5921] <... futex resumed>) = 1 [pid 5923] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5921] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... clone3 resumed> => {parent_tid=[5924]}, 88) = 5924 ./strace-static-x86_64: Process 5924 attached [pid 5922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5922] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5921] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5924] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5924] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5924] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5922] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5922] <... futex resumed>) = 0 [pid 5924] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... mmap resumed>) = 0x7f44f9f99000 [pid 5924] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5924] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5924] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 0 [pid 5924] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] <... futex resumed>) = 0 [pid 5918] <... io_uring_enter resumed>) = 4096 [pid 5924] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5918] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5918] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] exit_group(0 [pid 5918] <... futex resumed>) = ? [pid 5917] <... exit_group resumed>) = ? [pid 5918] +++ exited with 0 +++ [pid 5917] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./4/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./4") = 0 [pid 5864] mkdir("./5", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5925 ./strace-static-x86_64: Process 5925 attached [pid 5925] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5925] chdir("./5") = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5925] write(3, "1000", 4) = 4 [pid 5925] close(3) = 0 [pid 5925] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5925] write(1, "executing program\n", 18executing program ) = 18 [pid 5925] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5925] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5926]}, 88) = 5926 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5926 attached [pid 5925] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5919] <... io_uring_enter resumed>) = 4096 [pid 5926] <... rseq resumed>) = 0 [pid 5926] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5919] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] exit_group(0) = ? [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... futex resumed>) = ? [pid 5926] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5919] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5926] <... openat resumed>) = 3 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5926] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... io_uring_enter resumed>) = 4096 [pid 5920] <... io_uring_enter resumed>) = 4096 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5923] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] exit_group(0 [pid 5920] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] exit_group(0 [pid 5926] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = ? [pid 5921] <... exit_group resumed>) = ? [pid 5920] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... futex resumed>) = 0 [pid 5923] +++ exited with 0 +++ [pid 5921] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5925] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5926] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5867] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5926] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5926] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 5865] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 5866] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] newfstatat(3, "", [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... openat resumed>) = 3 [pid 5867] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5866] newfstatat(3, "", [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5926] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] unlink("./5/binderfs" [pid 5866] getdents64(3, [pid 5925] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... unlink resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5925] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 5866] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5925] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] close(3 [pid 5866] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5925] <... mmap resumed>) = 0x7f44f9f78000 [pid 5867] <... close resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5925] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE [pid 5867] rmdir("./5" [pid 5866] unlink("./4/binderfs" [pid 5926] <... mmap resumed>) = 0x7f44f9f38000 [pid 5925] <... mprotect resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] mkdir("./6", 0777 [pid 5866] getdents64(3, [pid 5926] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] close(3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5866] <... close resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0} [pid 5866] rmdir("./4") = 0 [pid 5865] unlink("./4/binderfs") = 0 ./strace-static-x86_64: Process 5927 attached [pid 5925] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927 [pid 5866] mkdir("./5", 0777 [pid 5927] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] getdents64(3, [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] close(3) = 0 ./strace-static-x86_64: Process 5928 attached ./strace-static-x86_64: Process 5929 attached [pid 5927] <... rseq resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5928 [pid 5865] rmdir("./4" [pid 5929] set_robust_list(0x55558acd66a0, 24 [pid 5927] set_robust_list(0x7f44f9f989a0, 24 [pid 5928] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5928] chdir("./6") = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5928] setpgid(0, 0) = 0 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5928] write(3, "1000", 4) = 4 executing program [pid 5928] close(3 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5929 [pid 5865] <... rmdir resumed>) = 0 [pid 5928] <... close resumed>) = 0 [pid 5928] symlink("/dev/binderfs", "./binderfs" [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5929] chdir("./5" [pid 5928] <... symlink resumed>) = 0 [pid 5927] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] mkdir("./5", 0777 [pid 5927] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... chdir resumed>) = 0 [pid 5928] write(1, "executing program\n", 18) = 18 [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5928] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5928] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5925] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5925] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5929] <... prctl resumed>) = 0 [pid 5926] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] setpgid(0, 0 [pid 5926] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5930]}, 88) = 5930 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5928] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5931 attached ./strace-static-x86_64: Process 5930 attached [pid 5929] <... setpgid resumed>) = 0 [pid 5926] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5925] <... futex resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5931 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] set_robust_list(0x55558acd66a0, 24 [pid 5929] <... openat resumed>) = 3 [pid 5924] <... io_uring_enter resumed>) = 4096 [pid 5930] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5930] set_robust_list(0x7f44f9fde9a0, 24 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5929] write(3, "1000", 4 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... write resumed>) = 4 [pid 5929] close(3 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] chdir("./5" [pid 5929] <... close resumed>) = 0 [pid 5931] <... chdir resumed>) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5924] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program [pid 5929] <... symlink resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5930] <... openat resumed>) = 3 [pid 5922] exit_group(0 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] write(1, "executing program\n", 18 [pid 5922] <... exit_group resumed>) = ? [pid 5931] <... prctl resumed>) = 0 [pid 5929] <... write resumed>) = 18 [pid 5930] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5930] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] <... futex resumed>) = 0 [pid 5928] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5930] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5930] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] +++ exited with 0 +++ [pid 5922] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5929] <... futex resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7f44f9f59000 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] setpgid(0, 0 [pid 5930] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5928] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5930] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5930] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5930] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5928] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... setpgid resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5925] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5929] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] getdents64(3, [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... mprotect resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./5/binderfs") = 0 [pid 5931] <... openat resumed>) = 3 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] getdents64(3, [pid 5931] write(3, "1000", 4) = 4 [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5931] close(3 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5931] <... close resumed>) = 0 [pid 5928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] close(3./strace-static-x86_64: Process 5932 attached [pid 5931] symlink("/dev/binderfs", "./binderfs" [pid 5863] <... close resumed>) = 0 [pid 5931] <... symlink resumed>) = 0 [pid 5863] rmdir("./5" [pid 5932] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5931] write(1, "executing program\n", 18 [pid 5929] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932 executing program [pid 5932] <... rseq resumed>) = 0 [pid 5931] <... write resumed>) = 18 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rmdir resumed>) = 0 [pid 5932] set_robust_list(0x7f44f9fde9a0, 24 [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mkdir("./6", 0777 [pid 5931] <... futex resumed>) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] <... futex resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... mkdir resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5932] <... openat resumed>) = 3 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5932] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... futex resumed>) = 1 [pid 5931] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5929] <... futex resumed>) = 0 [pid 5932] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5929] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... mprotect resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5933 attached [pid 5932] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5933 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5933] chdir("./6" [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5934 attached [pid 5933] <... chdir resumed>) = 0 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5934] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5934] <... rseq resumed>) = 0 [pid 5933] <... prctl resumed>) = 0 [pid 5932] <... mmap resumed>) = 0x7f44f9f99000 [pid 5931] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5934] set_robust_list(0x7f44f9fde9a0, 24 [pid 5933] setpgid(0, 0 [pid 5929] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] <... setpgid resumed>) = 0 [pid 5932] <... mmap resumed>) = 0x7f44f9f59000 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5931] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... mmap resumed>) = 0x7f44f9f38000 [pid 5931] <... futex resumed>) = 0 [pid 5929] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... mprotect resumed>) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] <... openat resumed>) = 3 [pid 5932] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 5933] write(3, "1000", 4 [pid 5932] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5933] <... write resumed>) = 4 ./strace-static-x86_64: Process 5935 attached [pid 5934] <... openat resumed>) = 3 [pid 5929] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5935] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 5934] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] close(3 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] <... close resumed>) = 0 [pid 5935] <... rseq resumed>) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5935] set_robust_list(0x7f44f9f589a0, 24 [pid 5934] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] symlink("/dev/binderfs", "./binderfs" [pid 5931] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] <... symlink resumed>) = 0 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... futex resumed>) = 0 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5935] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5929] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5933] write(1, "executing program\n", 18 [pid 5932] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 executing program [pid 5932] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... mmap resumed>) = 0x7f44f9f99000 [pid 5933] <... write resumed>) = 18 [pid 5932] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] <... mmap resumed>) = 0x7f44f9f59000 [pid 5933] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5934] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5932] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5929] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5934] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5934] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5931] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... io_uring_enter resumed>) = 4096 [pid 5931] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5933] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5934] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... futex resumed>) = 0 [pid 5933] <... mprotect resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 [pid 5926] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5934] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5931] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] exit_group(0) = ? [pid 5926] <... futex resumed>) = ? [pid 5926] +++ exited with 0 +++ ./strace-static-x86_64: Process 5936 attached [pid 5933] <... clone3 resumed> => {parent_tid=[5936]}, 88) = 5936 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5927] <... futex resumed>) = ? [pid 5936] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5936] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5936] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] +++ exited with 0 +++ [pid 5925] +++ exited with 0 +++ [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5933] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5936] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... openat resumed>) = 3 [pid 5936] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... futex resumed>) = 0 [pid 5933] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 1 [pid 5936] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... restart_syscall resumed>) = 0 [pid 5936] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5864] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5936] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5864] newfstatat(3, "", [pid 5936] <... mmap resumed>) = 0x7f44f9f99000 [pid 5936] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5936] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5864] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5933] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5936] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5864] unlink("./5/binderfs" [pid 5936] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... unlink resumed>) = 0 [pid 5933] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 5936] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 1 [pid 5936] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] close(3 [pid 5931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... close resumed>) = 0 [pid 5933] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./5") = 0 [pid 5864] mkdir("./6", 0777 [pid 5933] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5936] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5933] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5937 ./strace-static-x86_64: Process 5937 attached [pid 5937] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5937] chdir("./6") = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5930] <... io_uring_enter resumed>) = 4096 [pid 5937] <... prctl resumed>) = 0 [pid 5937] setpgid(0, 0) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5937] write(3, "1000", 4) = 4 [pid 5937] close(3) = 0 [pid 5937] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5930] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] write(1, "executing program\n", 18 [pid 5930] <... futex resumed>) = 0 [pid 5928] exit_group(0 [pid 5937] <... write resumed>) = 18 [pid 5928] <... exit_group resumed>) = ? [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5937] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5932] <... io_uring_enter resumed>) = 4096 [pid 5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5938 attached => {parent_tid=[5938]}, 88) = 5938 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5937] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5938] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5938] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5938] <... openat resumed>) = 3 [pid 5938] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5938] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5938] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5867] <... openat resumed>) = 3 [pid 5938] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5932] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", [pid 5932] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5938] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5932] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] getdents64(3, [pid 5938] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5938] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5929] exit_group(0 [pid 5867] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] <... mmap resumed>) = 0x7f44f9f59000 [pid 5935] <... futex resumed>) = ? [pid 5932] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] +++ exited with 0 +++ [pid 5932] +++ exited with 0 +++ [pid 5929] +++ exited with 0 +++ [pid 5867] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5938] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5938] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./6/binderfs" [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5938] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5937] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(3 [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5867] <... close resumed>) = 0 [pid 5938] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] rmdir("./6" [pid 5938] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... rmdir resumed>) = 0 [pid 5938] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5937] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./7", 0777 [pid 5937] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5937] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5939 [pid 5866] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5939 attached ) = 3 [pid 5866] newfstatat(3, "", [pid 5939] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5939] chdir("./7") = 0 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] <... io_uring_enter resumed>) = 4096 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5939] <... prctl resumed>) = 0 [pid 5866] getdents64(3, [pid 5939] setpgid(0, 0) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5939] write(3, "1000", 4) = 4 [pid 5939] close(3) = 0 executing program [pid 5939] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5939] write(1, "executing program\n", 18) = 18 [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5939] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5940 attached => {parent_tid=[5940]}, 88) = 5940 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5939] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5940] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5940] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5939] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5936] <... io_uring_enter resumed>) = 4096 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5936] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5936] <... futex resumed>) = 0 [pid 5933] exit_group(0) = ? [pid 5936] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5940] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5940] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5940] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5939] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = 1 [pid 5940] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5940] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5940] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5940] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5939] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5934] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./5/binderfs" [pid 5931] exit_group(0) = ? [pid 5863] <... restart_syscall resumed>) = 0 [pid 5934] <... futex resumed>) = ? [pid 5866] <... unlink resumed>) = 0 [pid 5934] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5866] getdents64(3, [pid 5863] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] close(3 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... close resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5866] rmdir("./5" [pid 5863] newfstatat(3, "", [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./6", 0777 [pid 5865] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] getdents64(3, [pid 5865] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./5/binderfs" [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./5") = 0 [pid 5865] mkdir("./6", 0777 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5941 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5941 [pid 5865] <... mkdir resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5942 [pid 5863] unlink("./6/binderfs"./strace-static-x86_64: Process 5942 attached [pid 5942] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5942] chdir("./6") = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5942] setpgid(0, 0) = 0 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5942] write(3, "1000", 4) = 4 [pid 5942] close(3) = 0 [pid 5942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5942] write(1, "executing program\n", 18executing program ) = 18 [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5942] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... unlink resumed>) = 0 [pid 5942] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5942] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] getdents64(3, [pid 5942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] close(3./strace-static-x86_64: Process 5943 attached ) = 0 [pid 5942] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5941] set_robust_list(0x55558acd66a0, 24 [pid 5863] rmdir("./6" [pid 5943] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] <... set_robust_list resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 5943] <... rseq resumed>) = 0 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] chdir("./6" [pid 5863] mkdir("./7", 0777 [pid 5943] set_robust_list(0x7f44f9fde9a0, 24 [pid 5942] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mkdir resumed>) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5941] <... chdir resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5944 attached [pid 5943] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5944] set_robust_list(0x55558acd66a0, 24 [pid 5943] <... openat resumed>) = 3 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5944 [pid 5944] chdir("./7" [pid 5943] <... futex resumed>) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... prctl resumed>) = 0 [pid 5944] setpgid(0, 0) = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5944] write(3, "1000", 4) = 4 [pid 5944] close(3) = 0 [pid 5944] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5941] <... prctl resumed>) = 0 [pid 5944] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5944] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5943] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... mprotect resumed>) = 0 [pid 5942] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5943] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 ./strace-static-x86_64: Process 5945 attached [pid 5943] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5941] setpgid(0, 0 [pid 5943] <... mmap resumed>) = 0x7f44f9f99000 [pid 5941] <... setpgid resumed>) = 0 [pid 5943] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5943] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5942] <... futex resumed>) = 0 [pid 5943] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 0 [pid 5943] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5944] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5945] <... rseq resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] set_robust_list(0x7f44f9fde9a0, 24 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... futex resumed>) = 0 [pid 5942] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = 1 [pid 5945] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5943] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5945] <... openat resumed>) = 3 [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... openat resumed>) = 3 [pid 5945] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5945] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5944] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5944] <... futex resumed>) = 0 [pid 5945] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... mmap resumed>) = 0x7f44f9f99000 [pid 5945] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5945] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5945] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5945] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 1 [pid 5945] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] write(3, "1000", 4 [pid 5945] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5944] <... futex resumed>) = 0 [pid 5941] <... write resumed>) = 4 [pid 5944] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] close(3) = 0 [pid 5941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5941] write(1, "executing program\n", 18executing program ) = 18 [pid 5942] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5942] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5941] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5941] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5946 attached [pid 5937] exit_group(0) = ? [pid 5946] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5946] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5946] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5946] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5946] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... io_uring_enter resumed>) = ? [pid 5941] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5941] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5946] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./6/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./6") = 0 [pid 5864] mkdir("./7", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5947 attached , child_tidptr=0x55558acd6690) = 5947 [pid 5947] set_robust_list(0x55558acd66a0, 24 [pid 5946] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... mmap resumed>) = 0x7f44f9f99000 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5947] chdir("./7" [pid 5946] <... mmap resumed>) = 0x7f44f9f59000 [pid 5947] <... chdir resumed>) = 0 [pid 5946] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5939] exit_group(0 [pid 5946] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... exit_group resumed>) = ? [pid 5941] <... futex resumed>) = 0 [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... prctl resumed>) = 0 [pid 5946] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] setpgid(0, 0 [pid 5946] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... openat resumed>) = 3 [pid 5947] write(3, "1000", 4) = 4 [pid 5947] close(3 [pid 5946] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5947] <... close resumed>) = 0 [pid 5946] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... symlink resumed>) = 0 executing program [pid 5947] write(1, "executing program\n", 18) = 18 [pid 5947] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5946] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5941] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5940] <... io_uring_enter resumed>) = ? [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5948]}, 88) = 5948 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5947] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5947] <... futex resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5947] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./7/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./7") = 0 [pid 5867] mkdir("./8", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5949 attached , child_tidptr=0x55558acd6690) = 5949 [pid 5949] set_robust_list(0x55558acd66a0, 24./strace-static-x86_64: Process 5948 attached ) = 0 [pid 5948] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5948] <... rseq resumed>) = 0 [pid 5948] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] chdir("./8" [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] <... chdir resumed>) = 0 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5949] setpgid(0, 0) = 0 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5949] <... openat resumed>) = 3 [pid 5947] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] write(3, "1000", 4 [pid 5947] <... futex resumed>) = 0 [pid 5949] <... write resumed>) = 4 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5949] close(3 [pid 5947] <... mmap resumed>) = 0x7f44f9f9d000 [pid 5949] <... close resumed>) = 0 [pid 5947] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5949] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5947] <... mprotect resumed>) = 0 executing program [pid 5949] write(1, "executing program\n", 18 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5949] <... write resumed>) = 18 [pid 5948] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 5950 attached [pid 5949] <... futex resumed>) = 0 [pid 5948] <... openat resumed>) = 3 [pid 5950] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 5949] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5947] <... clone3 resumed> => {parent_tid=[5950]}, 88) = 5950 [pid 5948] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... rseq resumed>) = 0 [pid 5949] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5950] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5948] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] <... futex resumed>) = 0 [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5947] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5949] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5950] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5949] <... mprotect resumed>) = 0 [pid 5950] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5950] <... mmap resumed>) = 0x7f44f9f78000 [pid 5949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5950] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5950] <... mmap resumed>) = 0x7f44f9f38000 [pid 5950] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5951 attached ) = 1 [pid 5949] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5947] <... futex resumed>) = 0 [pid 5951] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5950] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... rseq resumed>) = 0 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5951] set_robust_list(0x7f44f9fde9a0, 24 [pid 5949] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... set_robust_list resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5948] <... futex resumed>) = 0 [pid 5951] <... openat resumed>) = 3 [pid 5948] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5947] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5948] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5947] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5951] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5951] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5951] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5951] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5951] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5951] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5951] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5949] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... io_uring_enter resumed>) = 4096 [pid 5945] <... io_uring_enter resumed>) = 4096 [pid 5943] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] exit_group(0 [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] <... futex resumed>) = ? [pid 5942] <... exit_group resumed>) = ? [pid 5943] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./6/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./6") = 0 [pid 5865] mkdir("./7", 0777 [pid 5945] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5944] exit_group(0) = ? [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached [pid 5949] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5945] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5952 [pid 5863] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, [pid 5952] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5863] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5952] chdir("./7" [pid 5863] unlink("./7/binderfs") = 0 [pid 5952] <... chdir resumed>) = 0 [pid 5863] getdents64(3, [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5952] <... prctl resumed>) = 0 [pid 5863] close(3 [pid 5952] setpgid(0, 0 [pid 5863] <... close resumed>) = 0 [pid 5952] <... setpgid resumed>) = 0 [pid 5863] rmdir("./7" [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... rmdir resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5863] mkdir("./8", 0777 [pid 5952] write(3, "1000", 4 [pid 5863] <... mkdir resumed>) = 0 [pid 5952] <... write resumed>) = 4 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5953 attached [pid 5952] close(3 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5953 [pid 5952] <... close resumed>) = 0 executing program [pid 5952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5952] write(1, "executing program\n", 18) = 18 [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] set_robust_list(0x55558acd66a0, 24 [pid 5952] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5953] chdir("./8" [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] <... chdir resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5954]}, 88) = 5954 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5954 attached [pid 5953] <... prctl resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] setpgid(0, 0 [pid 5952] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5952] <... futex resumed>) = 0 [pid 5954] <... rseq resumed>) = 0 [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] set_robust_list(0x7f44f9fde9a0, 24 [pid 5953] <... setpgid resumed>) = 0 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] write(3, "1000", 4 [pid 5946] <... io_uring_enter resumed>) = 4096 [pid 5953] <... write resumed>) = 4 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5953] close(3 [pid 5954] <... openat resumed>) = 3 [pid 5953] <... close resumed>) = 0 [pid 5954] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5952] <... futex resumed>) = 0 [pid 5954] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5952] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5952] <... futex resumed>) = 0 [pid 5954] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... mmap resumed>) = 0x7f44f9f99000 [pid 5954] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5954] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5954] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5954] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 1 [pid 5954] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 0 [pid 5954] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5952] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... symlink resumed>) = 0 [pid 5953] write(1, "executing program\n", 18executing program [pid 5946] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... write resumed>) = 18 [pid 5946] <... futex resumed>) = 0 [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5941] exit_group(0 [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5946] <... futex resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5946] +++ exited with 0 +++ [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] +++ exited with 0 +++ [pid 5953] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5953] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5953] <... mprotect resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5951] <... io_uring_enter resumed>) = 4096 ./strace-static-x86_64: Process 5955 attached [pid 5953] <... clone3 resumed> => {parent_tid=[5955]}, 88) = 5955 [pid 5866] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5953] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 5953] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5951] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] exit_group(0) = ? [pid 5951] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5955] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5955] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5955] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5955] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5955] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5955] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] newfstatat(3, "", [pid 5955] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5955] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5955] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5866] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5953] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] unlink("./8/binderfs") = 0 [pid 5955] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 5955] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5953] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(3 [pid 5953] <... futex resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] rmdir("./8") = 0 [pid 5955] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./9", 0777 [pid 5955] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5953] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5956 attached [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5956 [pid 5956] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5956] chdir("./9") = 0 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5956] setpgid(0, 0) = 0 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5955] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5956] <... openat resumed>) = 3 [pid 5956] write(3, "1000", 4 [pid 5948] <... io_uring_enter resumed>) = 4096 [pid 5866] unlink("./6/binderfs" [pid 5956] <... write resumed>) = 4 [pid 5956] close(3) = 0 [pid 5956] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5956] write(1, "executing program\n", 18) = 18 [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5956] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5957]}, 88) = 5957 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5957 attached [pid 5956] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... unlink resumed>) = 0 [pid 5957] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5957] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5957] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5957] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5957] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5956] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5956] <... futex resumed>) = 0 [pid 5866] getdents64(3, [pid 5957] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5957] <... mmap resumed>) = 0x7f44f9f99000 [pid 5948] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 5957] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5948] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5957] <... mmap resumed>) = 0x7f44f9f59000 [pid 5957] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] exit_group(0 [pid 5957] <... futex resumed>) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5950] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5956] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] +++ exited with 0 +++ [pid 5956] <... futex resumed>) = 0 [pid 5866] rmdir("./6" [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5957] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5956] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5957] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5956] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5956] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./7", 0777 [pid 5948] +++ exited with 0 +++ [pid 5947] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5864] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./7/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./7") = 0 [pid 5864] mkdir("./8", 0777 [pid 5866] <... mkdir resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5958 attached [pid 5958] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5958 [pid 5958] chdir("./8") = 0 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5958] setpgid(0, 0) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5958] write(3, "1000", 4) = 4 [pid 5958] close(3 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... close resumed>) = 0 [pid 5954] <... io_uring_enter resumed>) = 4096 [pid 5958] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5959 attached ) = 0 [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5959 executing program [pid 5959] set_robust_list(0x55558acd66a0, 24 [pid 5954] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5952] exit_group(0) = ? [pid 5958] write(1, "executing program\n", 18) = 18 [pid 5954] <... futex resumed>) = ? [pid 5959] chdir("./7" [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 5958] <... futex resumed>) = 0 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5959] <... chdir resumed>) = 0 [pid 5958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... restart_syscall resumed>) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] setpgid(0, 0 [pid 5958] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5958] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5865] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5959] <... setpgid resumed>) = 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] <... openat resumed>) = 3 [pid 5959] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", ./strace-static-x86_64: Process 5960 attached [pid 5959] write(3, "1000", 4 [pid 5958] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5959] <... write resumed>) = 4 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5959] close(3 [pid 5960] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5959] <... close resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5959] symlink("/dev/binderfs", "./binderfs" [pid 5958] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... rseq resumed>) = 0 [pid 5958] <... futex resumed>) = 0 executing program [pid 5960] set_robust_list(0x7f44f9fde9a0, 24 [pid 5959] <... symlink resumed>) = 0 [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] write(1, "executing program\n", 18 [pid 5865] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... write resumed>) = 18 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] unlink("./7/binderfs" [pid 5960] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5959] <... futex resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 5960] <... openat resumed>) = 3 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./7" [pid 5960] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... futex resumed>) = 1 [pid 5865] mkdir("./8", 0777 [pid 5958] <... futex resumed>) = 0 [pid 5960] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5960] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5958] <... futex resumed>) = 0 [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5961 [pid 5960] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5959] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5961 attached [pid 5960] <... mmap resumed>) = 0x7f44f9f99000 [pid 5959] <... mprotect resumed>) = 0 [pid 5961] set_robust_list(0x55558acd66a0, 24 [pid 5960] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5961] chdir("./8") = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5961] setpgid(0, 0) = 0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5961] write(3, "1000", 4 [pid 5960] <... mmap resumed>) = 0x7f44f9f59000 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5961] <... write resumed>) = 4 [pid 5959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5962 attached [pid 5961] close(3 [pid 5960] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5961] <... close resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5959] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5958] <... futex resumed>) = 0 [pid 5962] <... rseq resumed>) = 0 [pid 5961] symlink("/dev/binderfs", "./binderfs" [pid 5962] set_robust_list(0x7f44f9fde9a0, 24 [pid 5961] <... symlink resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] write(1, "executing program\n", 18 [pid 5959] <... futex resumed>) = 0 [pid 5961] <... write resumed>) = 18 [pid 5961] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5962] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5960] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5961] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5962] <... openat resumed>) = 3 [pid 5961] <... mprotect resumed>) = 0 [pid 5962] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5962] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5960] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5961] <... clone3 resumed> => {parent_tid=[5963]}, 88) = 5963 [pid 5960] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5958] <... futex resumed>) = 0 [pid 5962] <... mmap resumed>) = 0x7f44f9f99000 [pid 5961] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5958] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... mmap resumed>) = 0x7f44f9f59000 ./strace-static-x86_64: Process 5963 attached [pid 5963] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5963] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5962] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5959] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5963] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5962] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... openat resumed>) = 3 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5959] <... futex resumed>) = 0 [pid 5961] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=36000000} [pid 5963] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 5961] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 5964 attached [pid 5964] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 5961] <... clone3 resumed> => {parent_tid=[5964]}, 88) = 5964 [pid 5964] <... rseq resumed>) = 0 [pid 5964] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... set_robust_list resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5964] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5961] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5964] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 5964] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 5964] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5964] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5961] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] <... io_uring_enter resumed>) = 4096 [pid 5963] <... futex resumed>) = 0 [pid 5962] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5961] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5961] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... futex resumed>) = 0 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5963] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5961] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5953] exit_group(0 [pid 5961] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... exit_group resumed>) = ? [pid 5955] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... restart_syscall resumed>) = 0 [pid 5959] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5863] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./8/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./8") = 0 [pid 5863] mkdir("./9", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5965 ./strace-static-x86_64: Process 5965 attached [pid 5965] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5965] chdir("./9") = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5965] write(3, "1000", 4) = 4 [pid 5965] close(3) = 0 [pid 5965] symlink("/dev/binderfs", "./binderfs" [pid 5961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5957] <... io_uring_enter resumed>) = 4096 executing program [pid 5965] <... symlink resumed>) = 0 [pid 5965] write(1, "executing program\n", 18) = 18 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5965] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5966]}, 88) = 5966 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5965] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5966 attached [pid 5966] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5957] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... rseq resumed>) = 0 [pid 5956] exit_group(0 [pid 5966] set_robust_list(0x7f44f9fde9a0, 24 [pid 5956] <... exit_group resumed>) = ? [pid 5966] <... set_robust_list resumed>) = 0 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... futex resumed>) = ? [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5957] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5966] <... openat resumed>) = 3 [pid 5966] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5965] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5966] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5966] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5966] <... mmap resumed>) = 0x7f44f9f99000 [pid 5966] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5867] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5966] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", [pid 5966] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5966] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 5965] <... futex resumed>) = 0 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5965] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = 0 [pid 5867] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5966] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] unlink("./9/binderfs" [pid 5965] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5867] getdents64(3, [pid 5966] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./9") = 0 [pid 5867] mkdir("./10", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5967 attached [pid 5967] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5967 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5967] chdir("./10") = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5967] setpgid(0, 0) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5967] write(3, "1000", 4) = 4 [pid 5967] close(3) = 0 [pid 5967] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5967] write(1, "executing program\n", 18) = 18 [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5967] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5968]}, 88) = 5968 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5967] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5968] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5968] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5968] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... futex resumed>) = 0 [pid 5967] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 1 [pid 5968] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5968] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5968] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5968] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5967] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5967] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5967] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5962] <... io_uring_enter resumed>) = 4096 [pid 5962] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5962] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] exit_group(0 [pid 5962] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5962] +++ exited with 0 +++ [pid 5960] <... io_uring_enter resumed>) = 4096 [pid 5959] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./7/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] rmdir("./7" [pid 5967] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./8", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5970 attached , child_tidptr=0x55558acd6690) = 5970 [pid 5970] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5970] chdir("./8") = 0 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5970] setpgid(0, 0) = 0 [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5970] write(3, "1000", 4 [pid 5960] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... write resumed>) = 4 [pid 5958] exit_group(0 [pid 5970] close(3 [pid 5958] <... exit_group resumed>) = ? [pid 5970] <... close resumed>) = 0 [pid 5970] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5970] write(1, "executing program\n", 18) = 18 [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5970] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5970] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5971 attached => {parent_tid=[5971]}, 88) = 5971 [pid 5960] <... futex resumed>) = ? [pid 5970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5970] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5971] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5971] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5971] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5970] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5971] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5971] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5971] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5971] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... futex resumed>) = 0 [pid 5960] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5971] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... io_uring_enter resumed>) = 4096 [pid 5864] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./8/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./8") = 0 [pid 5864] mkdir("./9", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 5972 [pid 5971] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5970] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5971] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5970] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = 0 [pid 5970] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5972 attached [pid 5963] <... futex resumed>) = 0 [pid 5961] exit_group(0 [pid 5964] <... futex resumed>) = ? [pid 5961] <... exit_group resumed>) = ? [pid 5964] +++ exited with 0 +++ [pid 5972] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5963] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5972] chdir("./9" [pid 5970] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./8/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./8") = 0 [pid 5865] mkdir("./9", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5972] <... chdir resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5973 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5973 attached ) = 0 [pid 5966] <... io_uring_enter resumed>) = 4096 [pid 5972] setpgid(0, 0 [pid 5973] set_robust_list(0x55558acd66a0, 24 [pid 5972] <... setpgid resumed>) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5973] chdir("./9" [pid 5972] write(3, "1000", 4 [pid 5973] <... chdir resumed>) = 0 [pid 5972] <... write resumed>) = 4 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] close(3) = 0 [pid 5973] <... prctl resumed>) = 0 [pid 5972] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5973] setpgid(0, 0 [pid 5972] write(1, "executing program\n", 18 [pid 5973] <... setpgid resumed>) = 0 [pid 5972] <... write resumed>) = 18 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... openat resumed>) = 3 [pid 5972] <... futex resumed>) = 0 [pid 5972] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5973] write(3, "1000", 4 [pid 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5973] <... write resumed>) = 4 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] close(3 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] <... futex resumed>) = 0 [pid 5972] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5973] <... close resumed>) = 0 [pid 5966] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] symlink("/dev/binderfs", "./binderfs" [pid 5972] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5973] <... symlink resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5965] exit_group(0 [pid 5972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5966] <... futex resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 5973] write(1, "executing program\n", 18) = 18 [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5966] +++ exited with 0 +++ [pid 5965] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5974 attached [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... clone3 resumed> => {parent_tid=[5974]}, 88) = 5974 [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] getdents64(3, [pid 5974] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5973] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5974] <... rseq resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5972] <... futex resumed>) = 0 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5863] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5973] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5974] set_robust_list(0x7f44f9fde9a0, 24 [pid 5973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] unlink("./9/binderfs" [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./9") = 0 [pid 5863] mkdir("./10", 0777./strace-static-x86_64: Process 5975 attached [pid 5974] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... mkdir resumed>) = 0 [pid 5975] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5974] <... openat resumed>) = 3 [pid 5973] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5976 attached [pid 5975] set_robust_list(0x7f44f9fde9a0, 24 [pid 5974] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5972] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5976 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5975] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5975] <... futex resumed>) = 0 [pid 5974] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5973] <... futex resumed>) = 1 [pid 5976] set_robust_list(0x55558acd66a0, 24 [pid 5975] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5974] <... mmap resumed>) = 0x7f44f9f99000 [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... io_uring_enter resumed>) = 4096 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... openat resumed>) = 3 [pid 5974] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5968] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] chdir("./10" [pid 5968] <... futex resumed>) = 0 [pid 5976] <... chdir resumed>) = 0 [pid 5975] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... mmap resumed>) = 0x7f44f9f59000 [pid 5968] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... prctl resumed>) = 0 [pid 5976] setpgid(0, 0 [pid 5975] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5974] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] exit_group(0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = ? [pid 5967] <... exit_group resumed>) = ? [pid 5976] <... openat resumed>) = 3 [pid 5975] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5974] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] +++ exited with 0 +++ [pid 5967] +++ exited with 0 +++ [pid 5976] write(3, "1000", 4 [pid 5975] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] <... write resumed>) = 4 [pid 5976] close(3) = 0 [pid 5975] <... mmap resumed>) = 0x7f44f9f99000 [pid 5972] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5976] symlink("/dev/binderfs", "./binderfs" [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5976] <... symlink resumed>) = 0 [pid 5974] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5976] write(1, "executing program\n", 18 [pid 5975] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... restart_syscall resumed>) = 0 [pid 5976] <... write resumed>) = 18 [pid 5974] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5972] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5867] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5976] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 5976] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5976] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5975] <... mmap resumed>) = 0x7f44f9f59000 [pid 5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5977 attached [pid 5977] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5976] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977 [pid 5977] <... rseq resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] set_robust_list(0x7f44f9fde9a0, 24 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5972] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... futex resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5977] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] <... futex resumed>) = 0 [pid 5977] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5976] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5977] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5977] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] <... futex resumed>) = 1 [pid 5977] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5975] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5975] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5976] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./10/binderfs" [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5975] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5973] <... futex resumed>) = 0 [pid 5973] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] close(3) = 0 [pid 5867] rmdir("./10") = 0 [pid 5867] mkdir("./11", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] <... io_uring_enter resumed>) = 4096 [pid 5971] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] <... futex resumed>) = 0 [pid 5971] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5978 attached [pid 5970] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 5978 [pid 5978] set_robust_list(0x55558acd66a0, 24 [pid 5971] <... futex resumed>) = ? [pid 5970] <... exit_group resumed>) = ? [pid 5978] <... set_robust_list resumed>) = 0 [pid 5971] +++ exited with 0 +++ [pid 5978] chdir("./11") = 0 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5970] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5978] setpgid(0, 0 [pid 5866] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5978] <... setpgid resumed>) = 0 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... openat resumed>) = 3 [pid 5866] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5978] write(3, "1000", 4) = 4 [pid 5866] <... openat resumed>) = 3 [pid 5978] close(3 [pid 5866] newfstatat(3, "", [pid 5978] <... close resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 5978] symlink("/dev/binderfs", "./binderfs" [pid 5866] getdents64(3, [pid 5978] <... symlink resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5978] write(1, "executing program\n", 18) = 18 [pid 5866] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5978] <... futex resumed>) = 0 [pid 5978] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] unlink("./8/binderfs" [pid 5978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5978] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... unlink resumed>) = 0 [pid 5978] <... mprotect resumed>) = 0 [pid 5866] getdents64(3, [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] close(3./strace-static-x86_64: Process 5979 attached ) = 0 [pid 5978] <... clone3 resumed> => {parent_tid=[5979]}, 88) = 5979 [pid 5866] rmdir("./8" [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5979] <... rseq resumed>) = 0 [pid 5978] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mkdir("./9", 0777 [pid 5979] set_robust_list(0x7f44f9fde9a0, 24 [pid 5978] <... futex resumed>) = 0 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... mkdir resumed>) = 0 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5979] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5979] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5980 attached [pid 5979] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5980 [pid 5980] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5979] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5980] chdir("./9" [pid 5979] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5979] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5979] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5978] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5979] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5979] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5979] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... chdir resumed>) = 0 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5980] setpgid(0, 0) = 0 [pid 5974] <... io_uring_enter resumed>) = 4096 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5980] write(3, "1000", 4) = 4 [pid 5980] close(3) = 0 [pid 5980] symlink("/dev/binderfs", "./binderfs" [pid 5974] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5980] <... symlink resumed>) = 0 [pid 5972] exit_group(0) = ? [pid 5974] <... futex resumed>) = ? [pid 5974] +++ exited with 0 +++ [pid 5977] <... io_uring_enter resumed>) = 4096 [pid 5972] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5864] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./9/binderfs"executing program [pid 5980] write(1, "executing program\n", 18 [pid 5864] <... unlink resumed>) = 0 [pid 5980] <... write resumed>) = 18 [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 5980] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5980] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] close(3 [pid 5980] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5977] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5977] <... futex resumed>) = 0 [pid 5976] exit_group(0 [pid 5864] <... close resumed>) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] <... exit_group resumed>) = ? [pid 5864] rmdir("./9" [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5977] +++ exited with 0 +++ [pid 5976] +++ exited with 0 +++ [pid 5864] <... rmdir resumed>) = 0 [pid 5980] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5864] mkdir("./10", 0777 [pid 5980] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... mkdir resumed>) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5980] <... mprotect resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5981 attached [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5981] set_robust_list(0x55558acd66a0, 24 [pid 5980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5981] chdir("./10") = 0 [pid 5980] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] <... prctl resumed>) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] setpgid(0, 0 [pid 5980] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... setpgid resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5982 attached [pid 5981] write(3, "1000", 4 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5981 [pid 5981] <... write resumed>) = 4 executing program [pid 5863] <... restart_syscall resumed>) = 0 [pid 5981] close(3) = 0 [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5863] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5981] <... symlink resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5981] write(1, "executing program\n", 18 [pid 5863] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5982] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5981] <... write resumed>) = 18 [pid 5863] <... openat resumed>) = 3 [pid 5982] <... rseq resumed>) = 0 [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(3, "", [pid 5982] set_robust_list(0x7f44f9fde9a0, 24 [pid 5981] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5863] getdents64(3, [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./10/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./10") = 0 [pid 5981] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] mkdir("./11", 0777 [pid 5981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... mkdir resumed>) = 0 [pid 5982] <... openat resumed>) = 3 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] <... futex resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5983 [pid 5982] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5980] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5983 attached [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5980] <... futex resumed>) = 0 [pid 5982] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5981] <... mprotect resumed>) = 0 [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5983] set_robust_list(0x55558acd66a0, 24 [pid 5982] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5982] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5984 attached [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] <... mmap resumed>) = 0x7f44f9f99000 [pid 5982] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5981] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984 [pid 5983] chdir("./11" [pid 5982] <... mmap resumed>) = 0x7f44f9f59000 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5982] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5981] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5981] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5984] <... rseq resumed>) = 0 [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] set_robust_list(0x7f44f9fde9a0, 24 [pid 5983] <... chdir resumed>) = 0 [pid 5982] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... set_robust_list resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5982] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... futex resumed>) = 0 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5983] <... prctl resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] setpgid(0, 0 [pid 5982] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5984] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5983] <... setpgid resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] <... openat resumed>) = 3 [pid 5983] <... openat resumed>) = 3 [pid 5984] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5984] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 0 [pid 5981] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 1 [pid 5984] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5984] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5984] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5981] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5984] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5984] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 1 [pid 5984] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5981] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] write(3, "1000", 4) = 4 [pid 5983] close(3) = 0 [pid 5983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5983] write(1, "executing program\n", 18executing program ) = 18 [pid 5975] <... io_uring_enter resumed>) = 4096 [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5983] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5975] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5973] exit_group(0 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... futex resumed>) = ? [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5973] <... exit_group resumed>) = ? [pid 5975] +++ exited with 0 +++ [pid 5983] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5980] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5973] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5983] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] <... mprotect resumed>) = 0 [pid 5981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... openat resumed>) = 3 [pid 5983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] newfstatat(3, "", [pid 5983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5986 attached [pid 5986] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5983] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5865] getdents64(3, [pid 5986] <... rseq resumed>) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] set_robust_list(0x7f44f9fde9a0, 24 [pid 5983] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... set_robust_list resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] unlink("./9/binderfs") = 0 [pid 5865] getdents64(3, [pid 5986] <... openat resumed>) = 3 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./9") = 0 [pid 5865] mkdir("./10", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5987 attached [pid 5986] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5987 [pid 5987] chdir("./10") = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5987] setpgid(0, 0) = 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5986] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5987] write(3, "1000", 4 [pid 5986] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... write resumed>) = 4 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = 0 [pid 5987] close(3 [pid 5986] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... close resumed>) = 0 [pid 5986] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5987] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5987] write(1, "executing program\n", 18executing program ) = 18 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5987] <... futex resumed>) = 0 [pid 5979] <... io_uring_enter resumed>) = 4096 [pid 5987] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5986] <... mmap resumed>) = 0x7f44f9f99000 [pid 5987] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5986] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5987] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5986] <... mmap resumed>) = 0x7f44f9f59000 [pid 5987] <... mprotect resumed>) = 0 [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5988 attached => {parent_tid=[5988]}, 88) = 5988 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5987] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 5988] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5988] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 1 [pid 5988] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5988] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5979] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] exit_group(0) = ? [pid 5979] <... futex resumed>) = ? [pid 5986] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] +++ exited with 0 +++ [pid 5978] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5988] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5986] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 0 [pid 5983] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5988] <... mmap resumed>) = 0x7f44f9f59000 [pid 5988] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 1 [pid 5988] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 1 [pid 5988] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 0 [pid 5987] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 1 [pid 5988] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5986] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5986] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5986] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5983] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5983] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5987] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] unlink("./11/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./11") = 0 [pid 5983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] mkdir("./12", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5989 attached , child_tidptr=0x55558acd6690) = 5989 [pid 5989] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5989] chdir("./12") = 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5989] setpgid(0, 0 [pid 5984] <... io_uring_enter resumed>) = 4096 [pid 5989] <... setpgid resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5989] write(3, "1000", 4) = 4 executing program [pid 5989] close(3) = 0 [pid 5989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5982] <... io_uring_enter resumed>) = 4096 [pid 5989] write(1, "executing program\n", 18) = 18 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5989] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5990 attached [pid 5990] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5989] <... clone3 resumed> => {parent_tid=[5990]}, 88) = 5990 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5989] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... rseq resumed>) = 0 [pid 5984] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] set_robust_list(0x7f44f9fde9a0, 24 [pid 5982] <... futex resumed>) = 0 [pid 5981] exit_group(0 [pid 5980] exit_group(0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5981] <... exit_group resumed>) = ? [pid 5980] <... exit_group resumed>) = ? [pid 5990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5990] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5984] <... futex resumed>) = ? [pid 5982] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5990] <... openat resumed>) = 3 [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5990] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... restart_syscall resumed>) = 0 [pid 5990] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 3 [pid 5990] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./10/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./10") = 0 [pid 5864] mkdir("./11", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5991 attached [pid 5866] getdents64(3, [pid 5991] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 5991 [pid 5866] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5990] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5991] chdir("./11") = 0 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5991] setpgid(0, 0) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5991] write(3, "1000", 4) = 4 [pid 5991] close(3) = 0 [pid 5991] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5991] write(1, "executing program\n", 18) = 18 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5991] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5990] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5990] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5990] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5991] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5990] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./9/binderfs" [pid 5991] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5991] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5993]}, 88) = 5993 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5993 attached [pid 5990] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5991] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] getdents64(3, [pid 5990] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5993] <... rseq resumed>) = 0 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5993] set_robust_list(0x7f44f9fde9a0, 24 [pid 5990] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... close resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] rmdir("./9" [pid 5993] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5990] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... openat resumed>) = 3 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5993] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5993] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... rmdir resumed>) = 0 [pid 5993] <... mmap resumed>) = 0x7f44f9f59000 [pid 5993] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mkdir("./10", 0777 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5991] <... futex resumed>) = 0 [pid 5991] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5994 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 5994 [pid 5991] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] <... io_uring_enter resumed>) = 4096 [pid 5988] <... io_uring_enter resumed>) = 4096 [pid 5994] set_robust_list(0x55558acd66a0, 24 [pid 5988] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] exit_group(0) = ? [pid 5994] <... set_robust_list resumed>) = 0 [pid 5988] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5986] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5983] exit_group(0 [pid 5994] chdir("./10" [pid 5983] <... exit_group resumed>) = ? [pid 5994] <... chdir resumed>) = 0 [pid 5865] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... futex resumed>) = ? [pid 5865] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] setpgid(0, 0) = 0 [pid 5986] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [pid 5865] <... openat resumed>) = 3 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5994] <... openat resumed>) = 3 [pid 5865] getdents64(3, [pid 5863] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] write(3, "1000", 4 [pid 5865] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] <... write resumed>) = 4 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... openat resumed>) = 3 [pid 5994] close(3 [pid 5865] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5994] <... close resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5994] <... symlink resumed>) = 0 [pid 5865] unlink("./10/binderfs" [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... unlink resumed>) = 0 [pid 5863] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] close(3 [pid 5863] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... close resumed>) = 0 [pid 5863] unlink("./11/binderfs" [pid 5865] rmdir("./10" [pid 5863] <... unlink resumed>) = 0 [pid 5994] write(1, "executing program\n", 18executing program ) = 18 [pid 5863] getdents64(3, [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rmdir resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] mkdir("./11", 0777 [pid 5863] close(3 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] rmdir("./11" [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 5996 ./strace-static-x86_64: Process 5996 attached [pid 5863] <... rmdir resumed>) = 0 [pid 5996] set_robust_list(0x55558acd66a0, 24 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] mkdir("./12", 0777 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5996] chdir("./11" [pid 5863] <... mkdir resumed>) = 0 [pid 5994] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5994] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... chdir resumed>) = 0 [pid 5994] <... mprotect resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5997 attached ) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5997] set_robust_list(0x55558acd66a0, 24 [pid 5996] setpgid(0, 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 5997 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... setpgid resumed>) = 0 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 5998 attached [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5997] chdir("./12") = 0 [pid 5998] <... rseq resumed>) = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] set_robust_list(0x7f44f9fde9a0, 24 [pid 5997] <... prctl resumed>) = 0 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] setpgid(0, 0 [pid 5996] <... openat resumed>) = 3 [pid 5996] write(3, "1000", 4) = 4 [pid 5996] close(3 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... setpgid resumed>) = 0 [pid 5996] <... close resumed>) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[5998]}, 88) = 5998 [pid 5993] <... io_uring_enter resumed>) = 4096 [pid 5998] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5996] symlink("/dev/binderfs", "./binderfs" [pid 5994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... openat resumed>) = 3 [pid 5994] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program executing program [pid 5997] write(3, "1000", 4 [pid 5996] <... symlink resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... io_uring_enter resumed>) = 4096 [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] write(1, "executing program\n", 18 [pid 5991] exit_group(0 [pid 5997] <... write resumed>) = 4 [pid 5993] <... futex resumed>) = ? [pid 5991] <... exit_group resumed>) = ? [pid 5990] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] close(3 [pid 5996] <... write resumed>) = 18 [pid 5998] <... openat resumed>) = 3 [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] +++ exited with 0 +++ [pid 5997] <... close resumed>) = 0 [pid 5997] symlink("/dev/binderfs", "./binderfs" [pid 5996] <... futex resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5990] <... futex resumed>) = 0 [pid 5996] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5989] exit_group(0 [pid 5996] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5997] <... symlink resumed>) = 0 [pid 5989] <... exit_group resumed>) = ? [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5996] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5996] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5990] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 5996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[5999]}, 88) = 5999 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5996] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5999 attached [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5997] write(1, "executing program\n", 18 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5998] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5999] <... rseq resumed>) = 0 [pid 5864] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5999] set_robust_list(0x7f44f9fde9a0, 24 [pid 5998] <... futex resumed>) = 1 [pid 5997] <... write resumed>) = 18 [pid 5994] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] <... set_robust_list resumed>) = 0 [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5998] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5864] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... openat resumed>) = 3 [pid 5999] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5999] <... openat resumed>) = 3 [pid 5998] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 5999] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", [pid 5999] <... futex resumed>) = 1 [pid 5997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5999] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5996] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 5867] getdents64(3, [pid 5998] <... mmap resumed>) = 0x7f44f9f99000 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5998] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5997] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5996] <... futex resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5864] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... mmap resumed>) = 0x7f44f9f59000 [pid 5998] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] unlink("./12/binderfs" [pid 5864] unlink("./11/binderfs" [pid 5998] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5999] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5998] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5999] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] getdents64(3, [pid 5864] getdents64(3, [pid 5999] <... mmap resumed>) = 0x7f44f9f99000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5994] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] close(3 [pid 5867] close(3 [pid 5999] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5864] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5864] rmdir("./11" [pid 5998] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rmdir("./12" [pid 5999] <... mmap resumed>) = 0x7f44f9f59000 [pid 5999] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5996] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... rmdir resumed>) = 0 [pid 5998] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] mkdir("./12", 0777 [pid 5867] mkdir("./13", 0777 [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... mkdir resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5994] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6000 attached [pid 5997] <... mprotect resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5996] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6001 attached [pid 5999] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6001 [pid 6000] set_robust_list(0x55558acd66a0, 24 [pid 6001] set_robust_list(0x55558acd66a0, 24 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6000] chdir("./13" [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6000] <... chdir resumed>) = 0 [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6000 executing program ./strace-static-x86_64: Process 6002 attached [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 6001] chdir("./12" [pid 5996] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] <... chdir resumed>) = 0 [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6001] <... prctl resumed>) = 0 [pid 6000] <... prctl resumed>) = 0 [pid 5997] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 6001] setpgid(0, 0 [pid 6000] setpgid(0, 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... setpgid resumed>) = 0 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... setpgid resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5997] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... openat resumed>) = 3 [pid 6000] <... openat resumed>) = 3 [pid 5997] <... futex resumed>) = 0 [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] write(3, "1000", 4) = 4 [pid 6001] close(3 [pid 6002] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6001] <... close resumed>) = 0 [pid 6002] <... rseq resumed>) = 0 [pid 6001] symlink("/dev/binderfs", "./binderfs" [pid 6002] set_robust_list(0x7f44f9fde9a0, 24 [pid 6001] <... symlink resumed>) = 0 [pid 6001] write(1, "executing program\n", 18) = 18 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6002] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6002] <... openat resumed>) = 3 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6002] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6003 attached => {parent_tid=[6003]}, 88) = 6003 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6001] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6003] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6003] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6000] write(3, "1000", 4 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... write resumed>) = 4 [pid 6003] <... openat resumed>) = 3 [pid 6000] close(3 [pid 5997] <... futex resumed>) = 1 [pid 6003] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6000] <... close resumed>) = 0 [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... futex resumed>) = 1 [pid 6002] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6000] symlink("/dev/binderfs", "./binderfs" [pid 6003] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6001] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6001] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6002] <... mmap resumed>) = 0x7f44f9f99000 [pid 6001] <... futex resumed>) = 0 [pid 6003] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6002] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6002] <... mmap resumed>) = 0x7f44f9f59000 [pid 6003] <... mmap resumed>) = 0x7f44f9f99000 [pid 6002] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6002] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 6003] <... mmap resumed>) = 0x7f44f9f59000 [pid 6002] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6001] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... symlink resumed>) = 0 [pid 5997] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6001] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6002] <... futex resumed>) = 0 [pid 6000] write(1, "executing program\n", 18 [pid 5997] <... futex resumed>) = 1 [pid 6002] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6002] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... write resumed>) = 18 [pid 6003] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6001] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = 0 [pid 6000] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6002] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... futex resumed>) = 0 [pid 5997] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5997] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = 1 [pid 6002] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6003] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6000] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6000] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6000] <... mprotect resumed>) = 0 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6001] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5997] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6004 attached [pid 6000] <... clone3 resumed> => {parent_tid=[6004]}, 88) = 6004 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... rseq resumed>) = 0 [pid 6004] set_robust_list(0x7f44f9fde9a0, 24 [pid 6000] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6004] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6000] <... futex resumed>) = 0 [pid 6000] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6004] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6004] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6004] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6000] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 0 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 6004] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6000] <... futex resumed>) = 0 [pid 6000] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6000] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6000] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] <... io_uring_enter resumed>) = 4096 [pid 5999] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] exit_group(0) = ? [pid 5999] <... futex resumed>) = ? [pid 5999] +++ exited with 0 +++ [pid 5996] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5998] <... io_uring_enter resumed>) = 4096 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5998] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 5994] exit_group(0 [pid 5998] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./11/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./11" [pid 5998] +++ exited with 0 +++ [pid 5994] +++ exited with 0 +++ [pid 5865] <... rmdir resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] mkdir("./12", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6005 [pid 6003] <... io_uring_enter resumed>) = 4096 [pid 5866] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6005 attached ) = 3 [pid 5866] newfstatat(3, "", [pid 6005] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6005] chdir("./12") = 0 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6005] setpgid(0, 0) = 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6005] write(3, "1000", 4) = 4 [pid 6005] close(3) = 0 [pid 6005] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5866] getdents64(3, [pid 6005] write(1, "executing program\n", 18) = 18 [pid 6005] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6005] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6005] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6006]}, 88) = 6006 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6006 attached [pid 6005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6005] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6005] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6003] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... io_uring_enter resumed>) = 4096 [pid 6006] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6001] exit_group(0 [pid 6003] <... futex resumed>) = ? [pid 6001] <... exit_group resumed>) = ? [pid 6006] <... rseq resumed>) = 0 [pid 6003] +++ exited with 0 +++ [pid 6002] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] +++ exited with 0 +++ [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... futex resumed>) = 0 [pid 6002] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] exit_group(0 [pid 6002] <... futex resumed>) = ? [pid 5997] <... exit_group resumed>) = ? [pid 6002] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5863] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./12/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./12") = 0 [pid 5863] mkdir("./13", 0777 [pid 6005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... mkdir resumed>) = 0 [pid 6005] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6005] <... futex resumed>) = 0 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6007 [pid 6005] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6005] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5864] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5864] <... openat resumed>) = 3 [pid 6006] set_robust_list(0x7f44f9fde9a0, 24 [pid 5864] newfstatat(3, "", [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] <... clone3 resumed> => {parent_tid=[6008]}, 88) = 6008 [pid 5866] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6007 attached [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6008 attached [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] <... futex resumed>) = 0 [pid 5864] unlink("./12/binderfs" [pid 6007] set_robust_list(0x55558acd66a0, 24 [pid 6006] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6005] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... unlink resumed>) = 0 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] <... openat resumed>) = 3 [pid 5864] getdents64(3, [pid 6008] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6007] chdir("./13" [pid 6006] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6008] <... rseq resumed>) = 0 [pid 6007] <... chdir resumed>) = 0 [pid 6006] <... futex resumed>) = 0 [pid 5864] close(3 [pid 6008] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... close resumed>) = 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] <... prctl resumed>) = 0 [pid 5864] rmdir("./12" [pid 6007] setpgid(0, 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] <... setpgid resumed>) = 0 [pid 5864] mkdir("./13", 0777 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... mkdir resumed>) = 0 [pid 6007] <... openat resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] unlink("./10/binderfs" [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] write(3, "1000", 4 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 6008] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6007] <... write resumed>) = 4 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6009 [pid 5866] close(3executing program [pid 6008] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6007] close(3 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./10" [pid 6008] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6007] <... close resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7f44f9f78000 [pid 6007] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./11", 0777 [pid 6008] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6007] <... symlink resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7f44f9f38000 [pid 6007] write(1, "executing program\n", 18 [pid 5866] <... mkdir resumed>) = 0 [pid 6008] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... write resumed>) = 18 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6008] <... futex resumed>) = 1 [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 0 [pid 6008] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... futex resumed>) = 0 [pid 6005] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6006] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = 1 [pid 6007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6006] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6005] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6010 attached [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6010 [pid 6007] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6005] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... futex resumed>) = 0 [pid 6010] set_robust_list(0x55558acd66a0, 24 [pid 6007] <... mprotect resumed>) = 0 [pid 6006] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... set_robust_list resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] chdir("./11" [pid 6007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6006] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6009 attached [pid 6010] <... chdir resumed>) = 0 [pid 6007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6011 attached [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] set_robust_list(0x55558acd66a0, 24 [pid 6006] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6005] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... prctl resumed>) = 0 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6007] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011 [pid 6010] setpgid(0, 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] chdir("./13" [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6007] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... setpgid resumed>) = 0 [pid 6011] <... rseq resumed>) = 0 [pid 6009] <... chdir resumed>) = 0 [pid 6011] set_robust_list(0x7f44f9fde9a0, 24 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] <... futex resumed>) = 0 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... openat resumed>) = 3 [pid 6009] <... prctl resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] write(3, "1000", 4 [pid 6009] setpgid(0, 0 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... write resumed>) = 4 [pid 6009] <... setpgid resumed>) = 0 [pid 6011] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6010] close(3 [pid 6011] <... openat resumed>) = 3 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... close resumed>) = 0 [pid 6009] <... openat resumed>) = 3 [pid 6011] <... futex resumed>) = 1 [pid 6011] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... futex resumed>) = 0 [pid 6007] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6011] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6011] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6011] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6011] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6010] symlink("/dev/binderfs", "./binderfs" [pid 6009] write(3, "1000", 4 [pid 6011] <... mmap resumed>) = 0x7f44f9f59000 [pid 6010] <... symlink resumed>) = 0 [pid 6009] <... write resumed>) = 4 executing program executing program [pid 6010] write(1, "executing program\n", 18 [pid 6009] close(3) = 0 [pid 6010] <... write resumed>) = 18 [pid 6009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] write(1, "executing program\n", 18 [pid 6011] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... write resumed>) = 18 [pid 6011] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6007] <... futex resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6010] <... futex resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6011] <... futex resumed>) = 1 [pid 6010] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6009] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6007] <... futex resumed>) = 0 [pid 6011] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6009] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6007] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... mprotect resumed>) = 0 [pid 6007] <... futex resumed>) = 0 [pid 6011] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6007] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... mprotect resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6011] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6007] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6012 attached [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6009] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 6012] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6013 attached [pid 6012] <... rseq resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6012] set_robust_list(0x7f44f9fde9a0, 24 [pid 6010] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... io_uring_enter resumed>) = 4096 [pid 6013] <... rseq resumed>) = 0 [pid 6013] set_robust_list(0x7f44f9fde9a0, 24 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6004] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... openat resumed>) = 3 [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] exit_group(0 [pid 6013] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... exit_group resumed>) = ? [pid 6013] <... futex resumed>) = 0 [pid 6012] <... openat resumed>) = 3 [pid 6010] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = ? [pid 6013] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6012] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... futex resumed>) = 0 [pid 6012] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6009] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6012] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] +++ exited with 0 +++ [pid 6000] +++ exited with 0 +++ [pid 6013] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6012] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6013] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6012] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6013] <... mmap resumed>) = 0x7f44f9f99000 [pid 6012] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5867] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./13/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./13") = 0 [pid 5867] mkdir("./14", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6014 ./strace-static-x86_64: Process 6014 attached [pid 6013] <... mmap resumed>) = 0x7f44f9f59000 [pid 6012] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6014] chdir("./14") = 0 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6014] setpgid(0, 0 [pid 6012] <... futex resumed>) = 0 [pid 6014] <... setpgid resumed>) = 0 [pid 6013] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] <... futex resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] <... futex resumed>) = 0 [pid 6010] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... openat resumed>) = 3 [pid 6013] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] write(3, "1000", 4 [pid 6013] <... futex resumed>) = 0 [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... write resumed>) = 4 [pid 6013] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] <... futex resumed>) = 1 [pid 6014] close(3 [pid 6012] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... close resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] symlink("/dev/binderfs", "./binderfs" [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6012] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6013] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... symlink resumed>) = 0 [pid 6014] write(1, "executing program\n", 18) = 18 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6014] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6015]}, 88) = 6015 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6014] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6015 attached [pid 6015] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6015] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6015] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6015] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6014] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6015] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6015] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6015] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 [pid 6014] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = 1 [pid 6015] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 [pid 6014] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = 1 [pid 6015] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6014] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6010] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6006] <... io_uring_enter resumed>) = 4096 [pid 6005] exit_group(0 [pid 6006] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... exit_group resumed>) = ? [pid 6008] <... futex resumed>) = ? [pid 6006] <... futex resumed>) = ? [pid 6008] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 6005] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] <... io_uring_enter resumed>) = 4096 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6011] <... io_uring_enter resumed>) = 4096 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6011] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6007] exit_group(0 [pid 5865] getdents64(3, [pid 6007] <... exit_group resumed>) = ? [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6011] +++ exited with 0 +++ [pid 6007] +++ exited with 0 +++ [pid 5865] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6013] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6013] <... futex resumed>) = 0 [pid 6013] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6010] exit_group(0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6013] <... futex resumed>) = ? [pid 6010] <... exit_group resumed>) = ? [pid 5865] unlink("./12/binderfs" [pid 5863] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... unlink resumed>) = 0 [pid 6013] +++ exited with 0 +++ [pid 5865] getdents64(3, [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] +++ exited with 0 +++ [pid 5863] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] close(3 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... close resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5865] rmdir("./12" [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 5865] mkdir("./13", 0777 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5863] getdents64(3, [pid 5866] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6016 attached [pid 5866] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... openat resumed>) = 3 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6016 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(3, "", [pid 5863] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6016] set_robust_list(0x55558acd66a0, 24 [pid 5866] getdents64(3, [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6016] <... set_robust_list resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] unlink("./13/binderfs" [pid 6016] chdir("./13" [pid 5866] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6016] <... chdir resumed>) = 0 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... unlink resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5863] getdents64(3, [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] unlink("./11/binderfs" [pid 5863] close(3 [pid 6016] <... prctl resumed>) = 0 [pid 6016] setpgid(0, 0executing program ) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6016] write(3, "1000", 4) = 4 [pid 5866] <... unlink resumed>) = 0 [pid 6016] close(3 [pid 5866] getdents64(3, [pid 5863] <... close resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 5863] rmdir("./13" [pid 6016] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6016] <... symlink resumed>) = 0 [pid 5866] close(3 [pid 5863] <... rmdir resumed>) = 0 [pid 6016] write(1, "executing program\n", 18 [pid 5866] <... close resumed>) = 0 [pid 5863] mkdir("./14", 0777 [pid 6016] <... write resumed>) = 18 [pid 5866] rmdir("./11" [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mkdir resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, ./strace-static-x86_64: Process 6017 attached NULL, 8) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./12", 0777 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6017 [pid 6016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6017] set_robust_list(0x55558acd66a0, 24 [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6016] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6017] chdir("./14" [pid 6016] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6017] <... chdir resumed>) = 0 [pid 6016] <... mprotect resumed>) = 0 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] <... prctl resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] setpgid(0, 0 [pid 6016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6017] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6018 attached [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6017] <... openat resumed>) = 3 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6017] write(3, "1000", 4 [pid 6016] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6017] <... write resumed>) = 4 [pid 6016] <... futex resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6018] set_robust_list(0x7f44f9fde9a0, 24 [pid 6017] close(3 [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] <... close resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] symlink("/dev/binderfs", "./binderfs" [pid 6012] <... io_uring_enter resumed>) = 4096 executing program [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] <... symlink resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6017] write(1, "executing program\n", 18 [pid 6018] <... openat resumed>) = 3 [pid 6017] <... write resumed>) = 18 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6017] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6018] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] <... futex resumed>) = 0 [pid 6016] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6018] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6017] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6019 attached [pid 6018] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6012] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] exit_group(0 [pid 6018] <... mmap resumed>) = 0x7f44f9f59000 [pid 6017] <... clone3 resumed> => {parent_tid=[6020]}, 88) = 6020 [pid 6012] <... futex resumed>) = ? [pid 6009] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6020 attached [pid 6018] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6019 [pid 6018] <... futex resumed>) = 1 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6017] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6020] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5864] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6020] <... rseq resumed>) = 0 [pid 6018] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] set_robust_list(0x7f44f9fde9a0, 24 [pid 6018] <... futex resumed>) = 0 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6018] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] set_robust_list(0x55558acd66a0, 24 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6019] chdir("./12" [pid 6018] <... futex resumed>) = 0 [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(3, "", [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] getdents64(3, [pid 6020] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6019] <... chdir resumed>) = 0 [pid 6018] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6020] <... openat resumed>) = 3 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... prctl resumed>) = 0 [pid 6018] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6016] <... futex resumed>) = 0 [pid 6020] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] setpgid(0, 0 [pid 6016] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... io_uring_enter resumed>) = 4096 [pid 5864] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6020] <... futex resumed>) = 1 [pid 6019] <... setpgid resumed>) = 0 [pid 6017] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6015] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6015] <... futex resumed>) = 0 [pid 5864] unlink("./13/binderfs" [pid 6017] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6019] write(3, "1000", 4) = 4 [pid 6019] close(3) = 0 [pid 6019] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6019] write(1, "executing program\n", 18) = 18 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] exit_group(0 [pid 5864] <... unlink resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6015] <... futex resumed>) = ? [pid 6014] <... exit_group resumed>) = ? [pid 5864] getdents64(3, [pid 6019] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6020] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6019] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5864] close(3 [pid 6020] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./13" [pid 6019] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6021]}, 88) = 6021 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6019] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6021 attached [pid 6020] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... rmdir resumed>) = 0 [pid 6021] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] mkdir("./14", 0777 [pid 6021] <... rseq resumed>) = 0 [pid 6020] <... mmap resumed>) = 0x7f44f9f99000 [pid 6016] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6021] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6021] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6021] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... mkdir resumed>) = 0 [pid 6020] <... mmap resumed>) = 0x7f44f9f59000 [pid 6017] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... openat resumed>) = 3 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6020] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", [pid 6017] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] <... futex resumed>) = 1 [pid 6021] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] <... futex resumed>) = 0 [pid 6019] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6021] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6022 attached [pid 6021] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6020] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 6020] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] set_robust_list(0x55558acd66a0, 24 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6022 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6020] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6022] chdir("./14" [pid 6021] <... mmap resumed>) = 0x7f44f9f99000 [pid 6017] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... chdir resumed>) = 0 [pid 6021] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6020] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... mmap resumed>) = 0x7f44f9f59000 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6021] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 0 [pid 6020] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6017] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6022] <... prctl resumed>) = 0 [pid 6021] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 5867] unlink("./14/binderfs" [pid 6021] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6017] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] setpgid(0, 0 [pid 6021] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... unlink resumed>) = 0 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... setpgid resumed>) = 0 [pid 5867] getdents64(3, [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6021] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... openat resumed>) = 3 [pid 6021] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6019] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] write(3, "1000", 4 [pid 6019] <... futex resumed>) = 0 [pid 5867] close(3 [pid 6019] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... write resumed>) = 4 [pid 5867] <... close resumed>) = 0 [pid 6022] close(3 [pid 5867] rmdir("./14" [pid 6022] <... close resumed>) = 0 [pid 6022] symlink("/dev/binderfs", "./binderfs" [pid 5867] <... rmdir resumed>) = 0 [pid 6022] <... symlink resumed>) = 0 [pid 6017] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6022] write(1, "executing program\n", 18 [pid 5867] mkdir("./15", 0777 [pid 6022] <... write resumed>) = 18 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6023 [pid 6022] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6023 attached [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6023] set_robust_list(0x55558acd66a0, 24 [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6022] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6023] chdir("./15"./strace-static-x86_64: Process 6024 attached ) = 0 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6023] setpgid(0, 0 [pid 6024] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6023] <... setpgid resumed>) = 0 [pid 6024] <... rseq resumed>) = 0 [pid 6024] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6024] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... openat resumed>) = 3 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 1 [pid 6024] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6022] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6022] <... futex resumed>) = 0 [pid 6024] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6024] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6024] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6024] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] write(3, "1000", 4 [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... futex resumed>) = 1 [pid 6024] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... futex resumed>) = 1 [pid 6024] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6023] <... write resumed>) = 4 [pid 6023] close(3) = 0 [pid 6023] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6023] write(1, "executing program\n", 18) = 18 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6018] <... io_uring_enter resumed>) = 4096 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6016] exit_group(0) = ? [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] exit_group(0 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6025]}, 88) = 6025 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6023] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6025 attached [pid 6017] <... exit_group resumed>) = ? [pid 6025] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6025] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6025] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6025] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6025] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6020] <... io_uring_enter resumed>) = ? [pid 6025] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6025] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... futex resumed>) = 1 [pid 6025] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... futex resumed>) = 1 [pid 6025] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] exit_group(0) = ? [pid 6025] <... futex resumed>) = 1 [pid 6025] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6018] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6020] +++ exited with 0 +++ [pid 6017] +++ exited with 0 +++ [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5865] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] <... restart_syscall resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./13/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] rmdir("./13" [pid 5863] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... rmdir resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5865] mkdir("./14", 0777 [pid 5863] newfstatat(3, "", [pid 5865] <... mkdir resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6026 [pid 5863] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6026 attached ) = -1 EINVAL (Invalid argument) [pid 6026] set_robust_list(0x55558acd66a0, 24 [pid 5863] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6026] <... set_robust_list resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6026] chdir("./14" [pid 5863] unlink("./14/binderfs" [pid 6026] <... chdir resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./14" [pid 6026] <... prctl resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6026] setpgid(0, 0 [pid 5863] mkdir("./15", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6027 attached , child_tidptr=0x55558acd6690) = 6027 [pid 6026] <... setpgid resumed>) = 0 [pid 6027] set_robust_list(0x55558acd66a0, 24 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] <... openat resumed>) = 3 [pid 6027] chdir("./15" [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6027] <... chdir resumed>) = 0 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6026] write(3, "1000", 4 [pid 6027] setpgid(0, 0 [pid 6026] <... write resumed>) = 4 [pid 6027] <... setpgid resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6027] write(3, "1000", 4) = 4 [pid 6027] close(3) = 0 [pid 6026] close(3 [pid 6027] symlink("/dev/binderfs", "./binderfs" [pid 6026] <... close resumed>) = 0 [pid 6026] symlink("/dev/binderfs", "./binderfs" [pid 6027] <... symlink resumed>) = 0 executing program [pid 6027] write(1, "executing program\n", 18 [pid 6026] <... symlink resumed>) = 0 [pid 6027] <... write resumed>) = 18 [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6027] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] <... io_uring_enter resumed>) = ? [pid 6027] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6027] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6021] +++ exited with 0 +++ [pid 6019] +++ exited with 0 +++ [pid 6027] <... mprotect resumed>) = 0 [pid 6027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6028 attached ) = 0 [pid 6027] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6027] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6027] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 3 [pid 6028] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] newfstatat(3, "", [pid 6028] <... rseq resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6028] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] getdents64(3, [pid 6028] <... set_robust_list resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6028] <... openat resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./12/binderfs" [pid 6028] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 6027] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] write(1, "executing program\n", 18executing program [pid 5866] getdents64(3, [pid 6028] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6027] <... futex resumed>) = 0 [pid 6026] <... write resumed>) = 18 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6028] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] close(3 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 5866] rmdir("./12" [pid 6026] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] <... rmdir resumed>) = 0 [pid 6026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6028] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] mkdir("./13", 0777 [pid 6028] <... mmap resumed>) = 0x7f44f9f99000 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6026] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... mkdir resumed>) = 0 [pid 6028] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... mprotect resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6027] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... futex resumed>) = 1 [pid 6028] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6027] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... futex resumed>) = 1 [pid 6028] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = 0 [pid 6027] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... futex resumed>) = 1 [pid 6028] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6029 attached [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6030 attached [pid 6026] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 6029] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6030] chdir("./13" [pid 6026] <... futex resumed>) = 1 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6030 [pid 6029] <... openat resumed>) = 3 [pid 6030] <... chdir resumed>) = 0 [pid 6029] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 6026] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... prctl resumed>) = 0 [pid 6029] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6030] setpgid(0, 0 [pid 6029] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6030] <... setpgid resumed>) = 0 [pid 6029] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... mmap resumed>) = 0x7f44f9f99000 [pid 6030] <... openat resumed>) = 3 [pid 6029] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6030] write(3, "1000", 4 [pid 6029] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... write resumed>) = 4 [pid 6029] <... futex resumed>) = 0 [pid 6030] close(3 [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] <... close resumed>) = 0 [pid 6030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6030] write(1, "executing program\n", 18 [pid 6027] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6030] <... write resumed>) = 18 [pid 6029] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6026] <... futex resumed>) = 1 [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] <... futex resumed>) = 0 [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6030] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6031 attached => {parent_tid=[6031]}, 88) = 6031 [pid 6031] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... rseq resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] set_robust_list(0x7f44f9fde9a0, 24 [pid 6030] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6031] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6031] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6031] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6031] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6031] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6030] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6031] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6026] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6029] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6026] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... io_uring_enter resumed>) = 4096 [pid 6029] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6029] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6026] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6024] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] exit_group(0 [pid 6024] <... futex resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 6024] +++ exited with 0 +++ [pid 6022] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./14/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./14") = 0 [pid 5864] mkdir("./15", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6033 ./strace-static-x86_64: Process 6033 attached [pid 6033] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6033] chdir("./15") = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6033] setpgid(0, 0) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6033] write(3, "1000", 4) = 4 [pid 6033] close(3) = 0 [pid 6033] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6033] write(1, "executing program\n", 18) = 18 [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6025] <... io_uring_enter resumed>) = 4096 [pid 6033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6033] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6034]}, 88) = 6034 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6033] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6034 attached [pid 6034] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6034] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6034] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6034] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6034] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6034] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6034] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] exit_group(0 [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... exit_group resumed>) = ? [pid 6034] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6034] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6034] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6034] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6033] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... io_uring_enter resumed>) = 4096 [pid 6025] <... futex resumed>) = ? [pid 6025] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6028] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 6028] <... futex resumed>) = 0 [pid 6027] exit_group(0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6027] <... exit_group resumed>) = ? [pid 6028] +++ exited with 0 +++ [pid 6027] +++ exited with 0 +++ [pid 5867] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] unlink("./15/binderfs" [pid 5863] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... unlink resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] getdents64(3, [pid 5863] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5867] close(3 [pid 5863] newfstatat(3, "", [pid 5867] <... close resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] rmdir("./15" [pid 5863] getdents64(3, [pid 5867] <... rmdir resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] mkdir("./16", 0777 [pid 5863] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... mkdir resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6036 [pid 5863] unlink("./15/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./15") = 0 [pid 5863] mkdir("./16", 0777) = 0 ./strace-static-x86_64: Process 6036 attached [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6037 ./strace-static-x86_64: Process 6037 attached [pid 6036] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6036] chdir("./16") = 0 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6036] setpgid(0, 0) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6037] chdir("./16") = 0 [pid 6036] <... openat resumed>) = 3 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] write(3, "1000", 4 [pid 6037] <... prctl resumed>) = 0 [pid 6036] <... write resumed>) = 4 [pid 6037] setpgid(0, 0 [pid 6036] close(3 [pid 6037] <... setpgid resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 6037] <... openat resumed>) = 3 [pid 6036] <... symlink resumed>) = 0 executing program [pid 6037] write(3, "1000", 4 [pid 6036] write(1, "executing program\n", 18 [pid 6037] <... write resumed>) = 4 [pid 6036] <... write resumed>) = 18 [pid 6037] close(3 [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... close resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6037] symlink("/dev/binderfs", "./binderfs" [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, executing program [pid 6037] <... symlink resumed>) = 0 [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6037] write(1, "executing program\n", 18 [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6037] <... write resumed>) = 18 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6037] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6036] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6037] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6036] <... mprotect resumed>) = 0 [pid 6037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6037] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6037] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6038 attached ) = 0 [pid 6038] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] <... clone3 resumed> => {parent_tid=[6038]}, 88) = 6038 [pid 6038] <... rseq resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] set_robust_list(0x7f44f9fde9a0, 24 [pid 6037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6039 attached [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 6036] <... futex resumed>) = 0 [pid 6039] <... rseq resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] set_robust_list(0x7f44f9fde9a0, 24 [pid 6031] <... io_uring_enter resumed>) = 4096 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6039] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... io_uring_enter resumed>) = 4096 [pid 6038] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6037] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6038] <... openat resumed>) = 3 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6038] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6036] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6039] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6031] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6038] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6037] <... futex resumed>) = 0 [pid 6039] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] exit_group(0 [pid 6039] <... futex resumed>) = 0 [pid 6030] <... exit_group resumed>) = ? [pid 6039] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6037] <... futex resumed>) = 0 [pid 6038] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... mmap resumed>) = 0x7f44f9f99000 [pid 6037] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6039] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... mmap resumed>) = 0x7f44f9f59000 [pid 6037] <... futex resumed>) = 1 [pid 6039] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6038] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ [pid 6029] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6029] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6038] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 6026] exit_group(0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6038] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... futex resumed>) = ? [pid 6026] <... exit_group resumed>) = ? [pid 5866] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] +++ exited with 0 +++ [pid 5866] <... openat resumed>) = 3 [pid 6036] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] newfstatat(3, "", [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] +++ exited with 0 +++ [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] unlink("./13/binderfs" [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./13" [pid 6038] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 5865] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] mkdir("./14", 0777 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6038] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6036] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6040 attached ) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6040 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./14/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./14") = 0 [pid 5865] mkdir("./15", 0777) = 0 [pid 6040] set_robust_list(0x55558acd66a0, 24 [pid 6037] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6036] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] <... set_robust_list resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6041 ./strace-static-x86_64: Process 6041 attached executing program [pid 6041] set_robust_list(0x55558acd66a0, 24 [pid 6040] chdir("./14" [pid 6041] <... set_robust_list resumed>) = 0 [pid 6041] chdir("./15") = 0 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6041] setpgid(0, 0) = 0 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] <... chdir resumed>) = 0 [pid 6041] <... openat resumed>) = 3 [pid 6041] write(3, "1000", 4) = 4 [pid 6041] close(3 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6040] setpgid(0, 0) = 0 [pid 6041] <... close resumed>) = 0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 6040] <... openat resumed>) = 3 [pid 6041] <... symlink resumed>) = 0 [pid 6040] write(3, "1000", 4 [pid 6041] write(1, "executing program\n", 18) = 18 [pid 6040] <... write resumed>) = 4 [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6041] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6040] close(3 [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6041] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6042]}, 88) = 6042 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6041] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6042 attached [pid 6040] <... close resumed>) = 0 [pid 6042] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 6042] <... rseq resumed>) = 0 [pid 6042] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6042] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6042] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6041] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6042] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6040] <... symlink resumed>) = 0 [pid 6040] write(1, "executing program\n", 18) = 18 [pid 6040] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6040] <... futex resumed>) = 0 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6042] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6042] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] <... mmap resumed>) = 0x7f44f9f59000 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6042] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6042] <... futex resumed>) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6042] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6042] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6041] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6040] <... mprotect resumed>) = 0 [pid 6042] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6041] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6041] <... futex resumed>) = 0 [pid 6041] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6043]}, 88) = 6043 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6040] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6043 attached [pid 6040] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6034] <... io_uring_enter resumed>) = 4096 [pid 6043] <... rseq resumed>) = 0 [pid 6043] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6034] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] exit_group(0) = ? [pid 6034] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6043] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6040] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... openat resumed>) = 3 [pid 6040] <... mprotect resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6043] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6043] <... futex resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6043] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6040] <... clone3 resumed> => {parent_tid=[6044]}, 88) = 6044 [pid 5864] getdents64(3, [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... futex resumed>) = 0 [pid 6040] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6044 attached [pid 5864] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./15/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./15") = 0 [pid 5864] mkdir("./16", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6045 attached , child_tidptr=0x55558acd6690) = 6045 [pid 6045] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6045] chdir("./16") = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6045] setpgid(0, 0) = 0 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6045] write(3, "1000", 4) = 4 [pid 6045] close(3executing program ) = 0 [pid 6045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6045] write(1, "executing program\n", 18) = 18 [pid 6044] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... rseq resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6044] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6044] <... set_robust_list resumed>) = 0 [pid 6045] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6044] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6045] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6044] <... mmap resumed>) = 0x7f44f9f78000 [pid 6045] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6044] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6045] <... mprotect resumed>) = 0 [pid 6044] <... mmap resumed>) = 0x7f44f9f38000 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6044] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6044] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6045] <... clone3 resumed> => {parent_tid=[6046]}, 88) = 6046 [pid 6043] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6043] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6046 attached [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6043] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6040] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6046] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6046] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6046] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6046] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6045] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6045] <... futex resumed>) = 0 [pid 6046] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... mmap resumed>) = 0x7f44f9f99000 [pid 6046] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6046] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6046] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6046] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 1 [pid 6046] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6045] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6045] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... io_uring_enter resumed>) = 4096 [pid 6039] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6039] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] <... io_uring_enter resumed>) = 4096 [pid 6037] exit_group(0) = ? [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6039] <... futex resumed>) = ? [pid 6039] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./16/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./16") = 0 [pid 5863] mkdir("./17", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6047 attached , child_tidptr=0x55558acd6690) = 6047 [pid 6038] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6047] set_robust_list(0x55558acd66a0, 24 [pid 6038] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] exit_group(0) = ? [pid 6038] <... futex resumed>) = ? [pid 6038] +++ exited with 0 +++ [pid 6036] +++ exited with 0 +++ [pid 6047] <... set_robust_list resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6047] chdir("./17" [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6047] <... chdir resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6047] setpgid(0, 0 [pid 5867] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6047] <... setpgid resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6047] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 6047] write(3, "1000", 4 [pid 5867] newfstatat(3, "", [pid 6047] <... write resumed>) = 4 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6047] close(3 [pid 5867] getdents64(3, [pid 6047] <... close resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6047] symlink("/dev/binderfs", "./binderfs" [pid 5867] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6047] <... symlink resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] write(1, "executing program\n", 18 [pid 5867] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6047] <... write resumed>) = 18 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./16/binderfs" [pid 6047] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6047] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] getdents64(3, [pid 6047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] close(3 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... close resumed>) = 0 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5867] rmdir("./16" [pid 6047] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... rmdir resumed>) = 0 [pid 6047] <... mprotect resumed>) = 0 [pid 5867] mkdir("./17", 0777 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... mkdir resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6048 attached ./strace-static-x86_64: Process 6049 attached [pid 6048] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6049] set_robust_list(0x55558acd66a0, 24 [pid 6048] <... rseq resumed>) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6049 [pid 6048] set_robust_list(0x7f44f9fde9a0, 24 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6042] <... io_uring_enter resumed>) = 4096 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6047] <... futex resumed>) = 0 [pid 6048] <... openat resumed>) = 3 [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6048] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6047] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6047] <... futex resumed>) = 0 [pid 6048] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... mmap resumed>) = 0x7f44f9f99000 [pid 6048] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6048] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6048] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6048] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6048] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] chdir("./17" [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] <... chdir resumed>) = 0 [pid 6048] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6047] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] <... futex resumed>) = 0 [pid 6049] <... prctl resumed>) = 0 [pid 6047] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] setpgid(0, 0) = 0 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6042] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6042] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] exit_group(0 [pid 6049] write(3, "1000", 4 [pid 6041] <... exit_group resumed>) = ? [pid 6042] <... futex resumed>) = ? [pid 6049] <... write resumed>) = 4 [pid 6042] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 6049] close(3 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6049] <... close resumed>) = 0 [pid 5865] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./15/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./15") = 0 [pid 5865] mkdir("./16", 0777) = 0 [pid 6049] symlink("/dev/binderfs", "./binderfs" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6050 attached [pid 6049] <... symlink resumed>) = 0 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6050] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6050] chdir("./16" [pid 6049] write(1, "executing program\n", 18 [pid 6050] <... chdir resumed>) = 0 [pid 6049] <... write resumed>) = 18 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6050] setpgid(0, 0) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6050] write(3, "1000", 4 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6050 [pid 6050] <... write resumed>) = 4 [pid 6050] close(3) = 0 [pid 6050] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6050] write(1, "executing program\n", 18) = 18 [pid 6043] <... io_uring_enter resumed>) = 4096 [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6049] <... futex resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6050] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6050] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] <... mprotect resumed>) = 0 [pid 6049] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6049] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6049] <... mprotect resumed>) = 0 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6051 attached [pid 6049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 6049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6043] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... rseq resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6051] set_robust_list(0x7f44f9fde9a0, 24 [pid 6043] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... set_robust_list resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6051] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6040] exit_group(0 [pid 6051] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = ? [pid 6043] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6052 attached [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6044] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 6050] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... clone3 resumed> => {parent_tid=[6052]}, 88) = 6052 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6052] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6051] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6050] <... futex resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6052] <... rseq resumed>) = 0 [pid 6051] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6052] set_robust_list(0x7f44f9fde9a0, 24 [pid 6049] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... io_uring_enter resumed>) = 4096 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6046] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6051] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6051] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] <... openat resumed>) = 3 [pid 6051] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6052] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... mmap resumed>) = 0x7f44f9f59000 [pid 6045] exit_group(0 [pid 6052] <... futex resumed>) = 0 [pid 6051] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... exit_group resumed>) = ? [pid 5866] <... openat resumed>) = 3 [pid 6052] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6051] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6051] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] getdents64(3, [pid 6050] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 1 [pid 5866] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6051] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6050] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... futex resumed>) = ? [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] unlink("./14/binderfs" [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 5866] <... unlink resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6049] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6052] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] getdents64(3, [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./16/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... close resumed>) = 0 [pid 6050] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5864] rmdir("./16") = 0 [pid 6052] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] mkdir("./17", 0777 [pid 6052] <... mmap resumed>) = 0x7f44f9f99000 [pid 5864] <... mkdir resumed>) = 0 [pid 6052] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] close(3) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6053 ./strace-static-x86_64: Process 6053 attached [pid 5866] rmdir("./14" [pid 6053] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... rmdir resumed>) = 0 [pid 6053] <... set_robust_list resumed>) = 0 [pid 5866] mkdir("./15", 0777 [pid 6053] chdir("./17" [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6054 attached [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6054 [pid 6053] setpgid(0, 0 [pid 6052] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... setpgid resumed>) = 0 [pid 6054] set_robust_list(0x55558acd66a0, 24 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... futex resumed>) = 1 [pid 6049] <... futex resumed>) = 0 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6052] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] chdir("./15" [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] <... futex resumed>) = 0 [pid 6054] <... chdir resumed>) = 0 [pid 6052] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... prctl resumed>) = 0 [pid 6052] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] setpgid(0, 0 [pid 6049] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... setpgid resumed>) = 0 [pid 6053] <... openat resumed>) = 3 [pid 6049] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... openat resumed>) = 3 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6054] write(3, "1000", 4) = 4 [pid 6054] close(3) = 0 [pid 6054] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6054] write(1, "executing program\n", 18) = 18 [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6054] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6055 attached [pid 6055] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6054] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 6055] <... rseq resumed>) = 0 [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] set_robust_list(0x7f44f9fde9a0, 24 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... openat resumed>) = 3 [pid 6055] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] write(3, "1000", 4 [pid 6052] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6054] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... write resumed>) = 4 [pid 6049] <... futex resumed>) = 0 [pid 6055] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6054] <... futex resumed>) = 0 [pid 6052] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6049] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] close(3 [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... close resumed>) = 0 [pid 6053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6053] write(1, "executing program\n", 18 [pid 6055] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6055] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6055] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6054] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6055] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... write resumed>) = 18 [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6055] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6054] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6048] <... io_uring_enter resumed>) = 4096 [pid 6053] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6053] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6055] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6055] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6054] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6054] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6056 attached [pid 6056] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6053] <... clone3 resumed> => {parent_tid=[6056]}, 88) = 6056 [pid 6048] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rseq resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... futex resumed>) = 0 [pid 6047] exit_group(0 [pid 6056] set_robust_list(0x7f44f9fde9a0, 24 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] <... exit_group resumed>) = ? [pid 6056] <... set_robust_list resumed>) = 0 [pid 6053] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] +++ exited with 0 +++ [pid 6047] +++ exited with 0 +++ [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... futex resumed>) = 0 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6056] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6056] <... openat resumed>) = 3 [pid 6056] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6053] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6056] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6053] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6056] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] <... openat resumed>) = 3 [pid 6054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] newfstatat(3, "", [pid 6056] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6056] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6056] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6056] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6053] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6056] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6056] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] unlink("./17/binderfs" [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... unlink resumed>) = 0 [pid 6053] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 5863] getdents64(3, [pid 6056] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6056] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6053] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] close(3 [pid 6053] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... close resumed>) = 0 [pid 5863] rmdir("./17") = 0 [pid 5863] mkdir("./18", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6057 attached [pid 6057] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6057 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6057] chdir("./18") = 0 [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6057] setpgid(0, 0) = 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] <... io_uring_enter resumed>) = 4096 [pid 6057] <... openat resumed>) = 3 [pid 6051] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6051] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] write(3, "1000", 4 [pid 6052] <... io_uring_enter resumed>) = 4096 [pid 6057] <... write resumed>) = 4 [pid 6052] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] exit_group(0 [pid 6057] close(3 [pid 6051] <... futex resumed>) = ? [pid 6050] <... exit_group resumed>) = ? executing program [pid 6049] exit_group(0 [pid 6057] <... close resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6051] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 6049] <... exit_group resumed>) = ? [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6057] symlink("/dev/binderfs", "./binderfs" [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6057] <... symlink resumed>) = 0 [pid 6057] write(1, "executing program\n", 18 [pid 6052] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 5865] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6057] <... write resumed>) = 18 [pid 6053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 6057] <... futex resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 5865] newfstatat(3, "", [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6057] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] getdents64(3, [pid 5865] getdents64(3, [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5865] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./16/binderfs" [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5867] unlink("./17/binderfs" [pid 5865] getdents64(3, [pid 5867] <... unlink resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] getdents64(3, [pid 5865] close(3 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... close resumed>) = 0 [pid 5867] close(3 [pid 5865] rmdir("./16" [pid 5867] <... close resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5867] rmdir("./17" [pid 5865] mkdir("./17", 0777 [pid 5867] <... rmdir resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5867] mkdir("./18", 0777 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6058 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6059 ./strace-static-x86_64: Process 6059 attached [pid 6059] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6059] chdir("./18") = 0 executing program [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6059] setpgid(0, 0) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6059] write(3, "1000", 4) = 4 [pid 6059] close(3) = 0 [pid 6059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6059] write(1, "executing program\n", 18) = 18 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6059] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 ./strace-static-x86_64: Process 6058 attached [pid 6057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] set_robust_list(0x55558acd66a0, 24 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6058] chdir("./17" [pid 6057] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... chdir resumed>) = 0 [pid 6057] <... mprotect resumed>) = 0 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6058] <... prctl resumed>) = 0 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6058] setpgid(0, 0 [pid 6059] <... mprotect resumed>) = 0 [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6060]}, 88) = 6060 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6061 attached NULL, 8) = 0 [pid 6059] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6059] <... futex resumed>) = 0 [pid 6057] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 6061] <... rseq resumed>) = 0 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6060 attached NULL, 8) = 0 [pid 6057] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] set_robust_list(0x7f44f9fde9a0, 24 [pid 6058] <... setpgid resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6060] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6060] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6060] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6060] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 0 [pid 6059] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... futex resumed>) = 1 [pid 6060] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6060] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... openat resumed>) = 3 [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] <... mmap resumed>) = 0x7f44f9f59000 [pid 6061] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6061] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6058] write(3, "1000", 4 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6058] <... write resumed>) = 4 [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6058] close(3 [pid 6059] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... close resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6058] symlink("/dev/binderfs", "./binderfs" [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] <... symlink resumed>) = 0 [pid 6059] <... mmap resumed>) = 0x7f44f9f38000 [pid 6058] write(1, "executing program\n", 18 [pid 6059] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... write resumed>) = 18 [pid 6059] <... mprotect resumed>) = 0 [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6058] <... futex resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6058] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 6058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6059] <... clone3 resumed> => {parent_tid=[6062]}, 88) = 6062 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6059] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6059] <... futex resumed>) = 0 [pid 6058] <... mprotect resumed>) = 0 [pid 6059] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6063 attached ./strace-static-x86_64: Process 6062 attached [pid 6061] <... futex resumed>) = 1 [pid 6060] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... clone3 resumed> => {parent_tid=[6063]}, 88) = 6063 [pid 6057] <... futex resumed>) = 0 [pid 6063] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6061] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... futex resumed>) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... rseq resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6063] set_robust_list(0x7f44f9fde9a0, 24 [pid 6061] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6058] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... set_robust_list resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6061] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6055] <... io_uring_enter resumed>) = 4096 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] <... rseq resumed>) = 0 [pid 6062] set_robust_list(0x7f44f9f589a0, 24 [pid 6061] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6063] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] <... mmap resumed>) = 0x7f44f9f99000 [pid 6063] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6063] <... futex resumed>) = 1 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6063] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6062] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... mmap resumed>) = 0x7f44f9f59000 [pid 6058] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6061] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6055] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 1 [pid 6055] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6059] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] exit_group(0 [pid 6063] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6059] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = ? [pid 6054] <... exit_group resumed>) = ? [pid 6063] <... mmap resumed>) = 0x7f44f9f99000 [pid 6061] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 0 [pid 6055] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ [pid 6063] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6061] <... futex resumed>) = 0 [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6061] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6057] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... mmap resumed>) = 0x7f44f9f59000 [pid 6057] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... restart_syscall resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6058] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6061] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... io_uring_enter resumed>) = 4096 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6058] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6058] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6063] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6058] <... futex resumed>) = 0 [pid 5866] getdents64(3, [pid 6058] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6058] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./15/binderfs") = 0 [pid 6056] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6056] <... futex resumed>) = 0 [pid 6056] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./15") = 0 [pid 5866] mkdir("./16", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6064 ./strace-static-x86_64: Process 6064 attached [pid 6053] exit_group(0 [pid 6056] <... futex resumed>) = ? [pid 6053] <... exit_group resumed>) = ? [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6056] +++ exited with 0 +++ [pid 6053] +++ exited with 0 +++ [pid 6057] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./17/binderfs" [pid 6064] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6064] chdir("./16") = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] setpgid(0, 0) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6064] write(3, "1000", 4) = 4 [pid 6064] close(3) = 0 [pid 6064] symlink("/dev/binderfs", "./binderfs" [pid 6058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6058] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... unlink resumed>) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./17") = 0 [pid 5864] mkdir("./18", 0777) = 0 [pid 6064] <... symlink resumed>) = 0 [pid 6064] write(1, "executing program\n", 18 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6065 attached [pid 6065] set_robust_list(0x55558acd66a0, 24 [pid 6064] <... write resumed>) = 18 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] chdir("./18") = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6065 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6065] setpgid(0, 0 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6065] <... setpgid resumed>) = 0 [pid 6064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6065] <... openat resumed>) = 3 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6065] write(3, "1000", 4 [pid 6064] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6064] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] <... write resumed>) = 4 [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6066 attached => {parent_tid=[6066]}, 88) = 6066 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6064] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6065] close(3 [pid 6066] <... rseq resumed>) = 0 [pid 6066] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6066] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program ) = 3 [pid 6066] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... close resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6065] symlink("/dev/binderfs", "./binderfs" [pid 6064] <... futex resumed>) = 0 [pid 6065] <... symlink resumed>) = 0 [pid 6064] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] write(1, "executing program\n", 18 [pid 6064] <... futex resumed>) = 0 [pid 6065] <... write resumed>) = 18 [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6066] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6066] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6065] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6066] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6066] <... mmap resumed>) = 0x7f44f9f99000 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6067 attached [pid 6066] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6065] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6066] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] <... futex resumed>) = 1 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6066] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6066] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6064] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... rseq resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 1 [pid 6066] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] set_robust_list(0x7f44f9fde9a0, 24 [pid 6066] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... futex resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6064] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6065] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6065] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6068 attached => {parent_tid=[6068]}, 88) = 6068 [pid 6067] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... futex resumed>) = 0 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6065] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6067] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... rseq resumed>) = 0 [pid 6068] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6068] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6068] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6068] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6068] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6068] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6065] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6065] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6065] <... futex resumed>) = 0 [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6065] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6060] <... io_uring_enter resumed>) = 4096 [pid 6060] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6060] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] exit_group(0 [pid 6062] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 6062] +++ exited with 0 +++ [pid 6060] <... futex resumed>) = ? [pid 6060] +++ exited with 0 +++ [pid 6059] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./18/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./18") = 0 [pid 5867] mkdir("./19", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6069 attached [pid 6069] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6069 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6069] chdir("./19") = 0 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6069] setpgid(0, 0) = 0 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6069] write(3, "1000", 4) = 4 [pid 6069] close(3) = 0 executing program [pid 6069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6069] write(1, "executing program\n", 18) = 18 [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6069] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6070]}, 88) = 6070 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6069] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6070 attached [pid 6070] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6070] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6070] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6070] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6069] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6061] <... io_uring_enter resumed>) = 4096 [pid 6063] <... io_uring_enter resumed>) = 4096 [pid 6070] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6070] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6070] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6063] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6061] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] exit_group(0 [pid 6057] exit_group(0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] <... exit_group resumed>) = ? [pid 6057] <... exit_group resumed>) = ? [pid 6069] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6066] <... io_uring_enter resumed>) = 4096 [pid 6061] <... futex resumed>) = ? [pid 6070] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6069] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6066] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] exit_group(0) = ? [pid 6066] <... futex resumed>) = ? [pid 6063] +++ exited with 0 +++ [pid 6061] +++ exited with 0 +++ [pid 6058] +++ exited with 0 +++ [pid 6057] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5865] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6066] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ [pid 5865] getdents64(3, [pid 5863] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5863] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] unlink("./17/binderfs" [pid 5863] newfstatat(3, "", [pid 5866] <... openat resumed>) = 3 [pid 5865] <... unlink resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] newfstatat(3, "", [pid 5865] getdents64(3, [pid 5863] getdents64(3, [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] getdents64(3, [pid 5865] close(3 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... close resumed>) = 0 [pid 5863] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] rmdir("./17" [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... rmdir resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5865] mkdir("./18", 0777 [pid 5863] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5866] unlink("./16/binderfs" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5863] unlink("./18/binderfs" [pid 5866] getdents64(3, [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6071 [pid 5863] <... unlink resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] getdents64(3, ./strace-static-x86_64: Process 6071 attached [pid 5866] close(3 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6071] set_robust_list(0x55558acd66a0, 24 [pid 6069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... close resumed>) = 0 [pid 5863] close(3 [pid 6071] <... set_robust_list resumed>) = 0 [pid 5866] rmdir("./16" [pid 5863] <... close resumed>) = 0 [pid 6071] chdir("./18" [pid 5866] <... rmdir resumed>) = 0 [pid 5863] rmdir("./18" [pid 6071] <... chdir resumed>) = 0 [pid 5866] mkdir("./17", 0777 [pid 5863] <... rmdir resumed>) = 0 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] mkdir("./19", 0777./strace-static-x86_64: Process 6072 attached [pid 6071] <... prctl resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6072] set_robust_list(0x55558acd66a0, 24 [pid 6071] setpgid(0, 0 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] <... setpgid resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6072 executing program [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6071] write(3, "1000", 4) = 4 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6073 [pid 6071] close(3) = 0 [pid 6071] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6073 attached [pid 6071] write(1, "executing program\n", 18 [pid 6073] set_robust_list(0x55558acd66a0, 24 [pid 6072] chdir("./17" [pid 6071] <... write resumed>) = 18 [pid 6072] <... chdir resumed>) = 0 [pid 6071] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6071] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6071] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6074 attached [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6072] setpgid(0, 0 [pid 6071] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 6072] <... setpgid resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6071] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] <... futex resumed>) = 0 [pid 6074] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6071] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] chdir("./19" [pid 6074] <... rseq resumed>) = 0 [pid 6072] <... openat resumed>) = 3 [pid 6072] write(3, "1000", 4 [pid 6073] <... chdir resumed>) = 0 [pid 6072] <... write resumed>) = 4 [pid 6074] set_robust_list(0x7f44f9fde9a0, 24 [pid 6072] close(3 [pid 6067] <... io_uring_enter resumed>) = 4096 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6072] <... close resumed>) = 0 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6073] setpgid(0, 0) = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] symlink("/dev/binderfs", "./binderfs"executing program [pid 6073] write(3, "1000", 4) = 4 [pid 6073] close(3) = 0 [pid 6073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6073] write(1, "executing program\n", 18) = 18 [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6073] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6073] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6075 attached => {parent_tid=[6075]}, 88) = 6075 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6075] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6071] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6071] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6072] <... symlink resumed>) = 0 [pid 6075] <... rseq resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6073] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] write(1, "executing program\n", 18 [pid 6071] <... mprotect resumed>) = 0 [pid 6067] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] set_robust_list(0x7f44f9fde9a0, 24 [pid 6074] <... openat resumed>) = 3 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... write resumed>) = 18 [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6067] <... futex resumed>) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6067] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6075] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6072] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6071] <... clone3 resumed> => {parent_tid=[6076]}, 88) = 6076 [pid 6065] exit_group(0 [pid 6075] <... openat resumed>) = 3 [pid 6072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... futex resumed>) = ? [pid 6067] <... futex resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6076 attached [pid 6075] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] +++ exited with 0 +++ [pid 6067] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 6075] <... futex resumed>) = 1 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6071] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6073] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6075] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6073] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6075] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... mprotect resumed>) = 0 [pid 6071] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6076] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6075] <... mmap resumed>) = 0x7f44f9f99000 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6075] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6075] <... mmap resumed>) = 0x7f44f9f59000 [pid 6072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6075] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6073] <... futex resumed>) = 0 [pid 6075] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 5864] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6077 attached [pid 6076] <... rseq resumed>) = 0 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... clone3 resumed> => {parent_tid=[6077]}, 88) = 6077 [pid 5864] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6073] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = 1 [pid 5864] <... openat resumed>) = 3 [pid 6075] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(3, "", [pid 6075] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6075] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6073] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6076] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] getdents64(3, [pid 6077] <... rseq resumed>) = 0 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6073] <... futex resumed>) = 0 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6077] set_robust_list(0x7f44f9fde9a0, 24 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6073] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6071] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... futex resumed>) = 1 [pid 5864] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6076] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6074] <... futex resumed>) = 0 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6071] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] unlink("./18/binderfs" [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... futex resumed>) = ? [pid 5864] <... unlink resumed>) = 0 [pid 6074] +++ killed by SIGSEGV +++ [pid 5864] getdents64(3, [pid 6077] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./18") = 0 [pid 5864] mkdir("./19", 0777 [pid 6076] +++ killed by SIGSEGV +++ [pid 6071] +++ killed by SIGSEGV +++ [pid 6077] <... openat resumed>) = 3 [pid 5864] <... mkdir resumed>) = 0 [pid 6077] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6071, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6078 [pid 6077] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6077] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6072] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./18/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./18") = 0 [pid 6072] <... futex resumed>) = 0 [pid 5865] mkdir("./19", 0777./strace-static-x86_64: Process 6078 attached [pid 6077] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] set_robust_list(0x55558acd66a0, 24 [pid 6077] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 6079 attached [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... mmap resumed>) = 0x7f44f9f99000 [pid 6073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] chdir("./19" [pid 6079] set_robust_list(0x55558acd66a0, 24 [pid 6077] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6079 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6077] <... mmap resumed>) = 0x7f44f9f59000 [pid 6078] <... chdir resumed>) = 0 [pid 6077] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6079] chdir("./19" [pid 6077] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... prctl resumed>) = 0 [pid 6072] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] setpgid(0, 0 [pid 6077] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 1 [pid 6078] <... setpgid resumed>) = 0 [pid 6077] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... chdir resumed>) = 0 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... futex resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6077] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... prctl resumed>) = 0 [pid 6078] <... openat resumed>) = 3 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6079] setpgid(0, 0 [pid 6078] write(3, "1000", 4 [pid 6077] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6072] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... setpgid resumed>) = 0 [pid 6078] <... write resumed>) = 4 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6078] close(3 [pid 6079] write(3, "1000", 4) = 4 [pid 6078] <... close resumed>) = 0 [pid 6079] close(3 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 6070] <... io_uring_enter resumed>) = 4096 [pid 6079] <... close resumed>) = 0 [pid 6078] <... symlink resumed>) = 0 [pid 6072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6078] write(1, "executing program\n", 18executing program [pid 6079] <... symlink resumed>) = 0 [pid 6078] <... write resumed>) = 18 [pid 6070] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] exit_group(0 [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... exit_group resumed>) = ? [pid 6070] +++ exited with 0 +++ [pid 6078] <... futex resumed>) = 0 [pid 6069] +++ exited with 0 +++ [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] write(1, "executing program\n", 18 [pid 6078] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6078] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... openat resumed>) = 3 executing program [pid 6078] <... mprotect resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] getdents64(3, [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... clone3 resumed> => {parent_tid=[6080]}, 88) = 6080 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6078] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./19/binderfs" [pid 6078] <... futex resumed>) = 0 [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 6079] <... write resumed>) = 18 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = 0 [pid 5867] rmdir("./19" [pid 6079] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, ./strace-static-x86_64: Process 6080 attached [pid 6080] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] mkdir("./20", 0777 [pid 6080] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6081 [pid 6080] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6080] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6078] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6078] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6081 attached [pid 6080] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] set_robust_list(0x55558acd66a0, 24 [pid 6080] <... mmap resumed>) = 0x7f44f9f99000 [pid 6080] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] <... mmap resumed>) = 0x7f44f9f59000 [pid 6081] chdir("./20" [pid 6080] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6080] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6080] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6080] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6078] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6078] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... chdir resumed>) = 0 [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... io_uring_enter resumed>) = 4096 [pid 6081] <... prctl resumed>) = 0 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] setpgid(0, 0) = 0 [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6081] write(3, "1000", 4) = 4 [pid 6081] close(3) = 0 [pid 6081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] write(1, "executing program\n", 18 executing program [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] <... futex resumed>) = 0 [pid 6073] exit_group(0 [pid 6081] <... write resumed>) = 18 [pid 6079] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6073] <... exit_group resumed>) = ? [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6075] +++ exited with 0 +++ [pid 6073] +++ exited with 0 +++ [pid 6081] <... futex resumed>) = 0 [pid 6079] <... mprotect resumed>) = 0 [pid 6081] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6082 attached [pid 6081] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6079] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6082] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] <... rseq resumed>) = 0 [pid 6081] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6082] set_robust_list(0x7f44f9fde9a0, 24 [pid 6081] <... mprotect resumed>) = 0 [pid 6079] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] newfstatat(3, "", [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6083 attached [pid 6082] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6083] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6081] <... clone3 resumed> => {parent_tid=[6083]}, 88) = 6083 [pid 5863] getdents64(3, [pid 6083] <... rseq resumed>) = 0 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6083] set_robust_list(0x7f44f9fde9a0, 24 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6083] <... set_robust_list resumed>) = 0 [pid 6081] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... futex resumed>) = 0 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6083] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... openat resumed>) = 3 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6083] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6081] <... futex resumed>) = 0 [pid 5863] unlink("./19/binderfs" [pid 6083] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6081] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6082] <... openat resumed>) = 3 [pid 6081] <... futex resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6083] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... mmap resumed>) = 0x7f44f9f99000 [pid 6082] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6083] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6083] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] close(3 [pid 6083] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = 0 [pid 6083] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6083] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rmdir("./19" [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6083] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] mkdir("./20", 0777 [pid 6083] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... futex resumed>) = 1 [pid 6081] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] <... futex resumed>) = 0 [pid 6083] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6081] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6077] <... io_uring_enter resumed>) = 4096 [pid 6082] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6082] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6084 ./strace-static-x86_64: Process 6084 attached [pid 6082] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6084] set_robust_list(0x55558acd66a0, 24 [pid 6082] <... mmap resumed>) = 0x7f44f9f99000 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6082] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] chdir("./20" [pid 6082] <... mmap resumed>) = 0x7f44f9f59000 [pid 6084] <... chdir resumed>) = 0 [pid 6082] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... futex resumed>) = 0 [pid 6079] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... prctl resumed>) = 0 [pid 6082] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = 0 [pid 6084] setpgid(0, 0 [pid 6082] <... futex resumed>) = 0 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... setpgid resumed>) = 0 [pid 6082] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... openat resumed>) = 3 [pid 6082] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 1 [pid 6077] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] write(3, "1000", 4 [pid 6082] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6079] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... futex resumed>) = 0 [pid 6072] exit_group(0 [pid 6084] <... write resumed>) = 4 [pid 6072] <... exit_group resumed>) = ? [pid 6084] close(3) = 0 [pid 6084] symlink("/dev/binderfs", "./binderfs" [pid 6077] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6084] <... symlink resumed>) = 0 executing program [pid 6084] write(1, "executing program\n", 18 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 6084] <... write resumed>) = 18 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6084] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6084] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5866] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./17/binderfs" [pid 6084] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 6084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] close(3 [pid 6084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6085 attached [pid 5866] <... close resumed>) = 0 [pid 6085] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6084] <... clone3 resumed> => {parent_tid=[6085]}, 88) = 6085 [pid 5866] rmdir("./17") = 0 [pid 5866] mkdir("./18", 0777 [pid 6085] <... rseq resumed>) = 0 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... mkdir resumed>) = 0 [pid 6085] set_robust_list(0x7f44f9fde9a0, 24 [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6084] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6086 attached [pid 6085] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6086] set_robust_list(0x55558acd66a0, 24 [pid 6085] <... openat resumed>) = 3 [pid 6084] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6086 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] chdir("./18" [pid 6085] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... chdir resumed>) = 0 [pid 6085] <... futex resumed>) = 1 [pid 6084] <... futex resumed>) = 0 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... prctl resumed>) = 0 [pid 6084] <... futex resumed>) = 0 executing program [pid 6086] setpgid(0, 0 [pid 6085] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... setpgid resumed>) = 0 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6086] write(3, "1000", 4) = 4 [pid 6086] close(3) = 0 [pid 6086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6086] write(1, "executing program\n", 18) = 18 [pid 6086] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6086] <... futex resumed>) = 0 [pid 6085] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6086] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6085] <... mmap resumed>) = 0x7f44f9f99000 [pid 6086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6086] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6085] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6080] <... io_uring_enter resumed>) = 4096 [pid 6086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6087]}, 88) = 6087 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6086] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6086] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6087 attached [pid 6085] <... mmap resumed>) = 0x7f44f9f59000 [pid 6085] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6085] <... futex resumed>) = 1 [pid 6084] <... futex resumed>) = 0 [pid 6080] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] exit_group(0) = ? [pid 6080] <... futex resumed>) = ? [pid 6080] +++ exited with 0 +++ [pid 6078] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6084] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6085] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 5864] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(3, "", [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6084] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./19/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] close(3 [pid 6087] <... rseq resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... close resumed>) = 0 [pid 6087] set_robust_list(0x7f44f9fde9a0, 24 [pid 6084] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./19" [pid 6084] <... futex resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6084] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] mkdir("./20", 0777 [pid 6086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... mkdir resumed>) = 0 [pid 6086] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6086] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6088 attached => {parent_tid=[6088]}, 88) = 6088 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6086] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6086] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6087] <... set_robust_list resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6089 attached [pid 6088] <... rseq resumed>) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6089 [pid 6088] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] <... openat resumed>) = 3 [pid 6089] set_robust_list(0x55558acd66a0, 24 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6087] <... futex resumed>) = 0 [pid 6088] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6087] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6089] chdir("./20" [pid 6088] <... mmap resumed>) = 0x7f44f9f38000 [pid 6089] <... chdir resumed>) = 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6088] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = 0 [pid 6086] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 1 [pid 6087] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6087] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] <... futex resumed>) = 0 [pid 6086] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 1 [pid 6087] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6086] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... futex resumed>) = 1 [pid 6088] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] setpgid(0, 0) = 0 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6089] write(3, "1000", 4) = 4 [pid 6089] close(3) = 0 [pid 6089] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6089] write(1, "executing program\n", 18) = 18 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6089] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6090]}, 88) = 6090 ./strace-static-x86_64: Process 6090 attached [pid 6089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6089] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6090] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6090] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6090] <... openat resumed>) = 3 [pid 6083] <... io_uring_enter resumed>) = 4096 [pid 6090] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6090] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] exit_group(0 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = ? [pid 6081] <... exit_group resumed>) = ? [pid 6090] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] <... io_uring_enter resumed>) = 4096 [pid 6090] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6090] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6083] +++ exited with 0 +++ [pid 6081] +++ exited with 0 +++ [pid 6090] <... mmap resumed>) = 0x7f44f9f99000 [pid 6090] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6090] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6079] exit_group(0 [pid 5867] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... exit_group resumed>) = ? [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6082] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 5867] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6090] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... openat resumed>) = 3 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] newfstatat(3, "", [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6090] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5865] <... restart_syscall resumed>) = 0 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5865] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./20/binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 5865] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6090] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5867] close(3) = 0 [pid 5865] newfstatat(3, "", [pid 5867] rmdir("./20" [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5865] getdents64(3, [pid 6090] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./21", 0777 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5865] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6089] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6091 attached [pid 5865] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6091 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./19/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6091] set_robust_list(0x55558acd66a0, 24 [pid 5865] close(3) = 0 [pid 5865] rmdir("./19") = 0 [pid 5865] mkdir("./20", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6092 attached [pid 6091] <... set_robust_list resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6092 [pid 6091] chdir("./21" [pid 6092] set_robust_list(0x55558acd66a0, 24 [pid 6091] <... chdir resumed>) = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6091] setpgid(0, 0) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] chdir("./20") = 0 [pid 6091] write(3, "1000", 4) = 4 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] close(3 [pid 6092] <... prctl resumed>) = 0 [pid 6091] <... close resumed>) = 0 [pid 6092] setpgid(0, 0 [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6092] <... setpgid resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 executing program executing program [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] write(1, "executing program\n", 18 [pid 6092] <... openat resumed>) = 3 [pid 6091] <... write resumed>) = 18 [pid 6092] write(3, "1000", 4 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... write resumed>) = 4 [pid 6091] <... futex resumed>) = 0 [pid 6092] close(3 [pid 6091] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6092] <... close resumed>) = 0 [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] <... symlink resumed>) = 0 [pid 6092] write(1, "executing program\n", 18 [pid 6091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6092] <... write resumed>) = 18 [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6092] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6091] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6092] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6091] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6091] <... mprotect resumed>) = 0 [pid 6092] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6092] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6092] <... mprotect resumed>) = 0 [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6091] <... clone3 resumed> => {parent_tid=[6093]}, 88) = 6093 [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6092] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 6091] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6094 attached NULL, 8) = 0 [pid 6091] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6093 attached [pid 6092] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6092] <... futex resumed>) = 0 [pid 6093] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6093] <... rseq resumed>) = 0 [pid 6093] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6093] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6094] <... rseq resumed>) = 0 [pid 6093] <... openat resumed>) = 3 [pid 6093] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6091] <... futex resumed>) = 0 [pid 6091] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6093] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6094] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6093] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] <... mmap resumed>) = 0x7f44f9f59000 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6091] <... futex resumed>) = 0 [pid 6094] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6091] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... openat resumed>) = 3 [pid 6094] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6092] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=37000000} [pid 6094] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6093] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 0 [pid 6087] <... io_uring_enter resumed>) = 4096 [pid 6085] <... io_uring_enter resumed>) = 4096 [pid 6091] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6093] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... futex resumed>) = 0 [pid 6087] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... mmap resumed>) = 0x7f44f9f99000 [pid 6093] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6094] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6087] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6091] <... futex resumed>) = 0 [pid 6094] <... mmap resumed>) = 0x7f44f9f59000 [pid 6091] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] exit_group(0) = ? [pid 6084] exit_group(0 [pid 6088] <... futex resumed>) = ? [pid 6088] +++ exited with 0 +++ [pid 6094] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = ? [pid 6085] <... futex resumed>) = ? [pid 6084] <... exit_group resumed>) = ? [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6094] <... futex resumed>) = 0 [pid 6092] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] +++ exited with 0 +++ [pid 6084] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6092] <... futex resumed>) = 0 [pid 5863] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", [pid 6091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./20/binderfs" [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] +++ exited with 0 +++ [pid 6086] +++ exited with 0 +++ [pid 5863] <... unlink resumed>) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./20" [pid 6094] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... rmdir resumed>) = 0 [pid 6094] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6094] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... restart_syscall resumed>) = 0 [pid 6094] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6094] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6092] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... io_uring_enter resumed>) = 4096 [pid 5863] mkdir("./21", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... futex resumed>) = 0 [pid 5866] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ./strace-static-x86_64: Process 6095 attached [pid 6092] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6095 [pid 5866] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6095] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6095] chdir("./21") = 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6095] setpgid(0, 0) = 0 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6095] write(3, "1000", 4) = 4 [pid 6095] close(3) = 0 [pid 6095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6095] write(1, "executing program\n", 18) = 18 [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6095] <... futex resumed>) = 0 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6095] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6090] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(3, "", [pid 6089] exit_group(0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6090] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 6089] <... exit_group resumed>) = ? [pid 5866] getdents64(3, [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6096]}, 88) = 6096 ./strace-static-x86_64: Process 6096 attached [pid 6095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6095] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6096] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6096] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6096] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6095] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6090] +++ exited with 0 +++ [pid 6089] +++ exited with 0 +++ [pid 5866] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5864] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./20/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./20") = 0 [pid 5864] mkdir("./21", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6097 attached , child_tidptr=0x55558acd6690) = 6097 [pid 6097] set_robust_list(0x55558acd66a0, 24 [pid 6096] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6096] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] <... mmap resumed>) = 0x7f44f9f59000 [pid 6096] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6096] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6096] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6096] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6095] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] unlink("./18/binderfs" [pid 6095] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] chdir("./21" [pid 5866] <... unlink resumed>) = 0 [pid 6097] <... chdir resumed>) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6097] setpgid(0, 0 [pid 5866] getdents64(3, [pid 6097] <... setpgid resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6097] write(3, "1000", 4) = 4 [pid 6097] close(3) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./18") = 0 [pid 5866] mkdir("./19", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6098 attached [pid 6098] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6098 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6098] chdir("./19") = 0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6098] setpgid(0, 0) = 0 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6098] write(3, "1000", 4) = 4 [pid 6098] close(3) = 0 [pid 6098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6097] write(1, "executing program\n", 18executing program [pid 6098] write(1, "executing program\n", 18 [pid 6097] <... write resumed>) = 18 executing program [pid 6098] <... write resumed>) = 18 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6097] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6097] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6099 attached [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... clone3 resumed> => {parent_tid=[6099]}, 88) = 6099 [pid 6099] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6099] set_robust_list(0x7f44f9fde9a0, 24 [pid 6098] <... futex resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6097] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6097] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6099] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6098] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6099] <... openat resumed>) = 3 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6099] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6100 attached [pid 6099] <... futex resumed>) = 1 [pid 6097] <... futex resumed>) = 0 [pid 6099] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6097] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6100] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... rseq resumed>) = 0 [pid 6099] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6099] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6100] set_robust_list(0x7f44f9fde9a0, 24 [pid 6098] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... mmap resumed>) = 0x7f44f9f99000 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6098] <... futex resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x7f44f9f59000 [pid 6100] <... openat resumed>) = 3 [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6098] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6100] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6099] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... mmap resumed>) = 0x7f44f9f99000 [pid 6100] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6100] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6100] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6100] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] <... futex resumed>) = 0 [pid 6100] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 6100] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] <... futex resumed>) = 0 [pid 6099] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6097] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... io_uring_enter resumed>) = 4096 [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6093] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] exit_group(0) = ? [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6093] <... futex resumed>) = ? [pid 6093] +++ exited with 0 +++ [pid 6091] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./21/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./21" [pid 6094] <... io_uring_enter resumed>) = 4096 [pid 6094] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 6092] exit_group(0 [pid 6094] <... futex resumed>) = 231 [pid 5867] mkdir("./22", 0777 [pid 6092] <... exit_group resumed>) = ? [pid 6094] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 5867] <... mkdir resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./20/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./20") = 0 [pid 5865] mkdir("./21", 0777 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6101 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6101 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6102 ./strace-static-x86_64: Process 6102 attached [pid 6101] set_robust_list(0x55558acd66a0, 24 [pid 6102] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6102] chdir("./21") = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6102] setpgid(0, 0) = 0 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6102] write(3, "1000", 4) = 4 [pid 6102] close(3) = 0 [pid 6102] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6096] <... io_uring_enter resumed>) = 4096 [pid 6102] write(1, "executing program\n", 18) = 18 [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6102] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6103]}, 88) = 6103 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6101] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6103 attached [pid 6102] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] chdir("./22" [pid 6103] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6102] <... futex resumed>) = 0 [pid 6101] <... chdir resumed>) = 0 [pid 6103] <... rseq resumed>) = 0 [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6101] <... prctl resumed>) = 0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] setpgid(0, 0 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] <... setpgid resumed>) = 0 [pid 6103] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] <... openat resumed>) = 3 [pid 6101] <... openat resumed>) = 3 [pid 6103] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] write(3, "1000", 4 [pid 6103] <... futex resumed>) = 1 executing program [pid 6102] <... futex resumed>) = 0 [pid 6101] <... write resumed>) = 4 [pid 6103] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] close(3 [pid 6102] <... futex resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6101] write(1, "executing program\n", 18) = 18 [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6096] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6095] exit_group(0 [pid 6103] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6095] <... exit_group resumed>) = ? [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6096] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6101] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6101] <... mprotect resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6104]}, 88) = 6104 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6104 attached NULL, 8) = 0 [pid 6103] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6101] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... mmap resumed>) = 0x7f44f9f99000 [pid 6101] <... futex resumed>) = 0 [pid 6104] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... rseq resumed>) = 0 [pid 6104] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6104] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6103] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6104] <... openat resumed>) = 3 [pid 6104] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6101] <... futex resumed>) = 0 [pid 6103] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6103] <... futex resumed>) = 1 [pid 6102] <... futex resumed>) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6103] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... restart_syscall resumed>) = 0 [pid 6102] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6104] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6103] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] <... mmap resumed>) = 0x7f44f9f99000 [pid 6103] <... futex resumed>) = 1 [pid 5863] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6104] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6103] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... openat resumed>) = 3 [pid 6104] <... mmap resumed>) = 0x7f44f9f59000 [pid 6102] <... futex resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 6102] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 5863] getdents64(3, [pid 6103] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6104] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6104] <... futex resumed>) = 1 [pid 6103] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6102] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] <... futex resumed>) = 0 [pid 6101] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6102] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] unlink("./21/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./21") = 0 [pid 5863] mkdir("./22", 0777 [pid 6104] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mkdir resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6101] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6105 ./strace-static-x86_64: Process 6105 attached [pid 6104] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6101] <... futex resumed>) = 0 [pid 6105] set_robust_list(0x55558acd66a0, 24 [pid 6104] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6101] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6105] chdir("./22" [pid 6101] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... chdir resumed>) = 0 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6105] setpgid(0, 0) = 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6105] write(3, "1000", 4) = 4 [pid 6105] close(3) = 0 executing program [pid 6105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6105] write(1, "executing program\n", 18) = 18 [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6105] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6106 attached => {parent_tid=[6106]}, 88) = 6106 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6106] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6105] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] <... rseq resumed>) = 0 [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6099] <... io_uring_enter resumed>) = 4096 [pid 6101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6100] <... io_uring_enter resumed>) = 4096 [pid 6106] <... openat resumed>) = 3 [pid 6106] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6105] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] exit_group(0 [pid 6099] <... futex resumed>) = ? [pid 6097] <... exit_group resumed>) = ? [pid 6106] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6100] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 6098] exit_group(0) = ? [pid 6106] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6100] <... futex resumed>) = ? [pid 6106] <... mmap resumed>) = 0x7f44f9f99000 [pid 6106] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6100] +++ exited with 0 +++ [pid 6098] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6106] <... mmap resumed>) = 0x7f44f9f59000 [pid 6106] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6106] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6106] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 6106] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] newfstatat(3, "", [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] getdents64(3, [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./19/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./19") = 0 [pid 5866] mkdir("./20", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6107 ./strace-static-x86_64: Process 6107 attached [pid 6107] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6107] chdir("./20") = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6107] setpgid(0, 0) = 0 [pid 6105] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6107] write(3, "1000", 4) = 4 [pid 6107] close(3) = 0 [pid 6107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6106] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 1 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6106] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6105] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6107] write(1, "executing program\n", 18) = 18 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5864] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6107] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6108 attached => {parent_tid=[6108]}, 88) = 6108 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./21/binderfs" [pid 6108] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5864] getdents64(3, [pid 6107] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6108] <... rseq resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(3 [pid 6108] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6108] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6108] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6108] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6107] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6107] <... futex resumed>) = 0 [pid 6108] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... mmap resumed>) = 0x7f44f9f99000 [pid 6108] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6108] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./21") = 0 [pid 6108] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] mkdir("./22", 0777 [pid 6108] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6109 attached , child_tidptr=0x55558acd6690) = 6109 [pid 6109] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6109] chdir("./22") = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6109] setpgid(0, 0) = 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6109] write(3, "1000", 4) = 4 [pid 6109] close(3) = 0 [pid 6109] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6109] write(1, "executing program\n", 18 [pid 6104] <... io_uring_enter resumed>) = 4096 [pid 6104] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] exit_group(0) = ? [pid 6109] <... write resumed>) = 18 [pid 6104] <... futex resumed>) = ? [pid 6103] <... io_uring_enter resumed>) = 4096 [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6109] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6103] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6103] <... futex resumed>) = 0 [pid 6102] exit_group(0 [pid 6109] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6102] <... exit_group resumed>) = ? [pid 6109] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6103] +++ exited with 0 +++ [pid 6102] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6109] <... mprotect resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6110 attached => {parent_tid=[6110]}, 88) = 6110 [pid 6110] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] <... rseq resumed>) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] set_robust_list(0x7f44f9fde9a0, 24 [pid 6109] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6110] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6110] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6109] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6110] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6109] <... futex resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6110] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] <... mmap resumed>) = 0x7f44f9f59000 [pid 6110] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(3, "", [pid 5865] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6110] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6110] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6110] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6109] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6109] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] getdents64(3, [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5865] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] <... io_uring_enter resumed>) = 4096 [pid 5867] unlink("./22/binderfs" [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./22") = 0 [pid 5867] mkdir("./23", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6111 attached [pid 5865] unlink("./21/binderfs" [pid 6108] <... io_uring_enter resumed>) = 4096 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6111 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6111] set_robust_list(0x55558acd66a0, 24 [pid 6106] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] close(3 [pid 6105] exit_group(0 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6106] <... futex resumed>) = ? [pid 5865] <... close resumed>) = 0 [pid 6105] <... exit_group resumed>) = ? [pid 6111] chdir("./23") = 0 [pid 6106] +++ exited with 0 +++ [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6111] setpgid(0, 0) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] +++ exited with 0 +++ [pid 5865] rmdir("./21") = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6111] <... openat resumed>) = 3 [pid 5865] mkdir("./22", 0777 [pid 6111] write(3, "1000", 4 [pid 5865] <... mkdir resumed>) = 0 [pid 6111] <... write resumed>) = 4 [pid 6111] close(3) = 0 executing program [pid 6111] symlink("/dev/binderfs", "./binderfs" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... restart_syscall resumed>) = 0 [pid 6111] <... symlink resumed>) = 0 [pid 6111] write(1, "executing program\n", 18./strace-static-x86_64: Process 6112 attached ) = 18 [pid 5863] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6112] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6112] <... set_robust_list resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6112] chdir("./22" [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6112 [pid 5863] <... openat resumed>) = 3 [pid 6112] <... chdir resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6107] exit_group(0 [pid 5863] newfstatat(3, "", [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6107] <... exit_group resumed>) = ? [pid 6112] <... prctl resumed>) = 0 [pid 6111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6108] +++ exited with 0 +++ [pid 6107] +++ exited with 0 +++ [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6112] setpgid(0, 0 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] getdents64(3, [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6112] <... setpgid resumed>) = 0 [pid 6111] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6111] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6112] <... openat resumed>) = 3 [pid 6111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] newfstatat(AT_FDCWD, "./22/binderfs", ./strace-static-x86_64: Process 6113 attached [pid 6112] write(3, "1000", 4 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] <... clone3 resumed> => {parent_tid=[6113]}, 88) = 6113 [pid 6112] <... write resumed>) = 4 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] unlink("./22/binderfs" [pid 6113] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6112] close(3 [pid 6111] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6111] <... futex resumed>) = 0 [pid 6112] <... close resumed>) = 0 [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6112] symlink("/dev/binderfs", "./binderfs" [pid 5866] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] close(3 [pid 6113] <... rseq resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 6113] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6113] <... set_robust_list resumed>) = 0 [pid 5866] getdents64(3, [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6113] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] <... openat resumed>) = 3 [pid 5866] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./20/binderfs" [pid 6112] <... symlink resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5863] rmdir("./22" [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./20" [pid 5863] <... rmdir resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5863] mkdir("./23", 0777 [pid 5866] mkdir("./21", 0777) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6114 attached [pid 6114] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6114 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6111] <... futex resumed>) = 0 [pid 6111] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6115 attached ) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6115 [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] set_robust_list(0x55558acd66a0, 24 [pid 6114] chdir("./21" [pid 6113] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6115] chdir("./23" [pid 6112] write(1, "executing program\n", 18executing program [pid 6115] <... chdir resumed>) = 0 [pid 6114] <... chdir resumed>) = 0 [pid 6113] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6112] <... write resumed>) = 18 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6112] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] setpgid(0, 0 [pid 6114] <... prctl resumed>) = 0 [pid 6113] <... mmap resumed>) = 0x7f44f9f99000 [pid 6112] <... futex resumed>) = 0 [pid 6114] setpgid(0, 0 [pid 6113] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6114] <... setpgid resumed>) = 0 [pid 6113] <... mmap resumed>) = 0x7f44f9f59000 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] <... setpgid resumed>) = 0 [pid 6114] <... openat resumed>) = 3 [pid 6112] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6114] write(3, "1000", 4 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6114] <... write resumed>) = 4 [pid 6115] <... openat resumed>) = 3 [pid 6114] close(3 [pid 6112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6115] write(3, "1000", 4 [pid 6114] <... close resumed>) = 0 [pid 6113] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] symlink("/dev/binderfs", "./binderfs" [pid 6113] <... futex resumed>) = 1 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6115] <... write resumed>) = 4 [pid 6114] <... symlink resumed>) = 0 [pid 6113] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6115] close(3 [pid 6114] write(1, "executing program\n", 18 [pid 6113] <... futex resumed>) = 0 [pid 6112] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6111] <... futex resumed>) = 0 [pid 6115] <... close resumed>) = 0 [pid 6114] <... write resumed>) = 18 [pid 6113] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] symlink("/dev/binderfs", "./binderfs" [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... mprotect resumed>) = 0 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] <... futex resumed>) = 0 [pid 6111] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... symlink resumed>) = 0 [pid 6114] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6113] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6115] write(1, "executing program\n", 18 [pid 6114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6113] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... write resumed>) = 18 [pid 6114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6113] <... futex resumed>) = 0 [pid 6112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6111] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 0 [pid 6114] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6113] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6111] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6116 attached [pid 6115] <... futex resumed>) = 0 [pid 6114] <... mprotect resumed>) = 0 [pid 6116] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6116] <... rseq resumed>) = 0 [pid 6115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6116] set_robust_list(0x7f44f9fde9a0, 24 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6114] <... clone3 resumed> => {parent_tid=[6117]}, 88) = 6117 [pid 6112] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6116] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6115] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6117] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... mprotect resumed>) = 0 [pid 6114] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6117] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6117] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] <... io_uring_enter resumed>) = 4096 [pid 6116] <... openat resumed>) = 3 [pid 6115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6117] <... futex resumed>) = 0 [pid 6116] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6114] <... futex resumed>) = 1 [pid 6112] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6116] <... futex resumed>) = 0 [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... futex resumed>) = 0 [pid 6117] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6116] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6110] <... futex resumed>) = 0 [pid 6109] exit_group(0 [pid 6117] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 6118 attached ) = 0x7f44f9f99000 [pid 6115] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 6112] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6109] <... exit_group resumed>) = ? [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6118] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6117] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] <... mprotect resumed>) = 0 [pid 6110] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 6115] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5864] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6119 attached [pid 6118] <... rseq resumed>) = 0 [pid 6117] <... mmap resumed>) = 0x7f44f9f59000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6118] set_robust_list(0x7f44f9fde9a0, 24 [pid 6112] <... clone3 resumed> => {parent_tid=[6119]}, 88) = 6119 [pid 5864] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] <... rseq resumed>) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6112] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(3, "", [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] <... futex resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6119] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 0 [pid 5864] getdents64(3, [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6118] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6117] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6119] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6118] <... openat resumed>) = 3 [pid 6117] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] <... mmap resumed>) = 0x7f44f9f78000 [pid 6118] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6118] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] <... mmap resumed>) = 0x7f44f9f38000 [pid 6118] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6115] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6119] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6115] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6117] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 1 [pid 6112] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6119] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... mmap resumed>) = 0x7f44f9f99000 [pid 6117] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] unlink("./22/binderfs" [pid 6118] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6117] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... futex resumed>) = 1 [pid 6118] <... mmap resumed>) = 0x7f44f9f59000 [pid 6117] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... unlink resumed>) = 0 [pid 6118] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] getdents64(3, [pid 6118] <... futex resumed>) = 1 [pid 6117] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6116] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6112] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(3 [pid 6118] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 6116] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... close resumed>) = 0 [pid 6118] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6112] <... futex resumed>) = 0 [pid 5864] rmdir("./22" [pid 6112] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... rmdir resumed>) = 0 [pid 5864] mkdir("./23", 0777 [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6115] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6120 attached [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6120 [pid 6120] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6120] chdir("./23") = 0 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6113] <... io_uring_enter resumed>) = 4096 [pid 6120] setpgid(0, 0 [pid 6113] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] exit_group(0 [pid 6120] <... setpgid resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6111] <... exit_group resumed>) = ? [pid 6113] +++ exited with 0 +++ [pid 6111] +++ exited with 0 +++ [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6120] <... openat resumed>) = 3 [pid 6120] write(3, "1000", 4) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6120] close(3 [pid 5867] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6120] <... close resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] symlink("/dev/binderfs", "./binderfs" [pid 5867] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6120] <... symlink resumed>) = 0 [pid 5867] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./23/binderfs") = 0 executing program [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./23") = 0 [pid 5867] mkdir("./24", 0777 [pid 6120] write(1, "executing program\n", 18 [pid 5867] <... mkdir resumed>) = 0 [pid 6120] <... write resumed>) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6121 attached [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6121 [pid 6121] set_robust_list(0x55558acd66a0, 24 [pid 6120] <... futex resumed>) = 0 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6121] chdir("./24") = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6121] setpgid(0, 0) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6121] write(3, "1000", 4) = 4 [pid 6121] close(3) = 0 [pid 6121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6121] write(1, "executing program\n", 18 [pid 6120] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, executing program [pid 6121] <... write resumed>) = 18 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6120] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6121] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6120] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6121] <... mprotect resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] <... mprotect resumed>) = 0 [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6122 attached [pid 6120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6122] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6121] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 6120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] <... rseq resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6122] set_robust_list(0x7f44f9fde9a0, 24 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] <... futex resumed>) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... clone3 resumed> => {parent_tid=[6123]}, 88) = 6123 [pid 6122] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6122] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6122] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6121] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6122] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 ./strace-static-x86_64: Process 6123 attached [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... rseq resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6122] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6123] set_robust_list(0x7f44f9fde9a0, 24 [pid 6122] <... mmap resumed>) = 0x7f44f9f59000 [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6123] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6122] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... openat resumed>) = 3 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 6123] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6121] <... futex resumed>) = 0 [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6116] <... io_uring_enter resumed>) = 4096 [pid 6123] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6116] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] exit_group(0 [pid 6123] <... mmap resumed>) = 0x7f44f9f99000 [pid 6119] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = ? [pid 6112] <... exit_group resumed>) = ? [pid 6123] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6116] +++ exited with 0 +++ [pid 6123] <... mmap resumed>) = 0x7f44f9f59000 [pid 6119] +++ exited with 0 +++ [pid 6112] +++ exited with 0 +++ [pid 6123] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6123] <... futex resumed>) = 1 [pid 6120] <... futex resumed>) = 0 [pid 6120] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6120] <... futex resumed>) = 0 [pid 6123] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 6123] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] <... futex resumed>) = 0 [pid 6123] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6120] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./22/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./22") = 0 [pid 5865] mkdir("./23", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6124 ./strace-static-x86_64: Process 6124 attached [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6121] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6124] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6124] chdir("./23") = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6124] setpgid(0, 0) = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6124] write(3, "1000", 4 [pid 6117] <... io_uring_enter resumed>) = 4096 [pid 6124] <... write resumed>) = 4 [pid 6124] close(3) = 0 [pid 6124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6124] write(1, "executing program\n", 18executing program ) = 18 [pid 6117] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6117] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] exit_group(0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6117] <... futex resumed>) = ? [pid 6114] <... exit_group resumed>) = ? [pid 6124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6117] +++ exited with 0 +++ [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6124] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6114] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 6124] <... clone3 resumed> => {parent_tid=[6125]}, 88) = 6125 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./21/binderfs") = 0 [pid 5866] getdents64(3, [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] close(3./strace-static-x86_64: Process 6125 attached [pid 6124] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... close resumed>) = 0 [pid 6125] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6124] <... futex resumed>) = 0 [pid 5866] rmdir("./21" [pid 6125] <... rseq resumed>) = 0 [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./22", 0777 [pid 6125] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] <... mkdir resumed>) = 0 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6126 attached [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6126] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6126 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... openat resumed>) = 3 [pid 6118] <... io_uring_enter resumed>) = 4096 [pid 6126] chdir("./22") = 0 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6126] setpgid(0, 0) = 0 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6126] write(3, "1000", 4) = 4 [pid 6126] close(3) = 0 [pid 6126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6126] write(1, "executing program\n", 18) = 18 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6126] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6118] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] exit_group(0) = ? [pid 6125] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6118] <... futex resumed>) = ? [pid 6125] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6125] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6118] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6125] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6125] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6125] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6125] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6124] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6124] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6125] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 3 [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 6125] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 5863] getdents64(3, [pid 6126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6125] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6124] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6124] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6127 attached [pid 5863] unlink("./23/binderfs" [pid 6126] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 5863] <... unlink resumed>) = 0 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] getdents64(3, [pid 6127] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6127] <... rseq resumed>) = 0 [pid 6126] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] close(3 [pid 6127] set_robust_list(0x7f44f9fde9a0, 24 [pid 6126] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rmdir("./23" [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... rmdir resumed>) = 0 [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5863] mkdir("./24", 0777 [pid 6127] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... mkdir resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 6127] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6127] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] <... futex resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6128 ./strace-static-x86_64: Process 6128 attached [pid 6126] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] set_robust_list(0x55558acd66a0, 24 [pid 6127] <... futex resumed>) = 0 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... set_robust_list resumed>) = 0 [pid 6128] chdir("./24" [pid 6127] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6128] <... chdir resumed>) = 0 [pid 6127] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6128] <... prctl resumed>) = 0 [pid 6127] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6128] setpgid(0, 0 [pid 6127] <... mmap resumed>) = 0x7f44f9f59000 [pid 6127] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... setpgid resumed>) = 0 [pid 6127] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6126] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6126] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] <... openat resumed>) = 3 [pid 6128] write(3, "1000", 4 [pid 6127] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... write resumed>) = 4 [pid 6127] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 6127] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6126] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] close(3 [pid 6126] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... close resumed>) = 0 [pid 6128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6128] write(1, "executing program\n", 18executing program ) = 18 [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6122] <... io_uring_enter resumed>) = 4096 [pid 6128] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6126] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] <... mprotect resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6122] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] exit_group(0 [pid 6122] <... futex resumed>) = ? [pid 6121] <... exit_group resumed>) = ? [pid 6122] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./24/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./24") = 0 [pid 5867] mkdir("./25", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6129 ./strace-static-x86_64: Process 6129 attached [pid 6129] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6129] chdir("./25") = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6129] setpgid(0, 0) = 0 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6129] <... openat resumed>) = 3 [pid 6129] write(3, "1000", 4) = 4 [pid 6129] close(3) = 0 [pid 6129] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6129] write(1, "executing program\n", 18) = 18 [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6129] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6130 attached [pid 6130] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6129] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6129] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rseq resumed>) = 0 [pid 6129] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6131 attached [pid 6130] set_robust_list(0x7f44f9fde9a0, 24 [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... set_robust_list resumed>) = 0 [pid 6131] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rseq resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] set_robust_list(0x7f44f9fde9a0, 24 [pid 6130] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6128] <... clone3 resumed> => {parent_tid=[6131]}, 88) = 6131 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... openat resumed>) = 3 [pid 6130] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6130] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... futex resumed>) = 0 [pid 6129] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = 1 [pid 6130] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6130] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6130] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] <... mmap resumed>) = 0x7f44f9f59000 [pid 6131] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6130] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6130] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = 1 [pid 6130] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6130] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6129] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... io_uring_enter resumed>) = 4096 [pid 6128] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] exit_group(0 [pid 6128] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = ? [pid 6120] <... exit_group resumed>) = ? [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... futex resumed>) = 0 [pid 6123] +++ exited with 0 +++ [pid 6120] +++ exited with 0 +++ [pid 6131] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6131] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] <... futex resumed>) = 0 [pid 6131] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6128] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6131] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6128] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] <... mmap resumed>) = 0x7f44f9f99000 [pid 5864] <... openat resumed>) = 3 [pid 6131] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5864] newfstatat(3, "", [pid 6131] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6131] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./23/binderfs") = 0 [pid 6128] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6131] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 5864] <... close resumed>) = 0 [pid 6131] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./23" [pid 6131] <... futex resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6131] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] mkdir("./24", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6132 ./strace-static-x86_64: Process 6132 attached [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6132] chdir("./24") = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6132] setpgid(0, 0) = 0 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6132] write(3, "1000", 4) = 4 [pid 6132] close(3 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] <... close resumed>) = 0 [pid 6128] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] symlink("/dev/binderfs", "./binderfs" [pid 6131] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6131] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] <... futex resumed>) = 0 [pid 6131] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6128] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... symlink resumed>) = 0 executing program [pid 6132] write(1, "executing program\n", 18) = 18 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] <... io_uring_enter resumed>) = 4096 [pid 6132] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6132] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6133]}, 88) = 6133 [pid 6132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6133 attached [pid 6133] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6133] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6133] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6133] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] exit_group(0 [pid 6133] <... futex resumed>) = 1 [pid 6132] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = ? [pid 6124] <... exit_group resumed>) = ? [pid 6132] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6125] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 6133] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6133] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", [pid 6133] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6127] <... io_uring_enter resumed>) = 4096 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6133] <... mmap resumed>) = 0x7f44f9f59000 [pid 6133] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6133] <... futex resumed>) = 1 [pid 6132] <... futex resumed>) = 0 [pid 5865] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] exit_group(0 [pid 5865] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6133] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... exit_group resumed>) = ? [pid 6127] +++ exited with 0 +++ [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 0 [pid 6126] +++ exited with 0 +++ [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6133] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] unlink("./23/binderfs" [pid 6133] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6133] <... futex resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6133] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... restart_syscall resumed>) = 0 [pid 6132] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6133] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 1 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6133] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6132] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] rmdir("./23" [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 5865] <... rmdir resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] mkdir("./24", 0777) = 0 [pid 5866] getdents64(3, [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6134 attached [pid 5866] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6134 [pid 6132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6134] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6134] <... set_robust_list resumed>) = 0 [pid 5866] unlink("./22/binderfs" [pid 6134] chdir("./24" [pid 5866] <... unlink resumed>) = 0 [pid 6134] <... chdir resumed>) = 0 [pid 5866] getdents64(3, [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6134] <... prctl resumed>) = 0 [pid 5866] close(3 [pid 6134] setpgid(0, 0 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./22" [pid 6134] <... setpgid resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] mkdir("./23", 0777 [pid 6134] <... openat resumed>) = 3 [pid 5866] <... mkdir resumed>) = 0 [pid 6134] write(3, "1000", 4 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6135 ./strace-static-x86_64: Process 6135 attached [pid 6134] <... write resumed>) = 4 [pid 6134] close(3 [pid 6135] set_robust_list(0x55558acd66a0, 24 [pid 6134] <... close resumed>) = 0 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] symlink("/dev/binderfs", "./binderfs"executing program [pid 6135] chdir("./23" [pid 6134] <... symlink resumed>) = 0 [pid 6130] <... io_uring_enter resumed>) = 4096 [pid 6134] write(1, "executing program\n", 18) = 18 [pid 6135] <... chdir resumed>) = 0 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6135] setpgid(0, 0) = 0 [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6135] write(3, "1000", 4) = 4 [pid 6135] close(3) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6135] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6135] write(1, "executing program\n", 18) = 18 [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6131] <... io_uring_enter resumed>) = 4096 [pid 6130] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6128] exit_group(0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6131] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] exit_group(0 [pid 6134] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6131] <... futex resumed>) = ? [pid 6128] <... exit_group resumed>) = ? [pid 6135] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6130] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6135] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6131] +++ exited with 0 +++ [pid 6135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6134] <... mprotect resumed>) = 0 [pid 6130] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6128, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6135] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6135] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... restart_syscall resumed>) = 0 [pid 6135] <... mprotect resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6136 attached [pid 5867] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6136] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6135] <... clone3 resumed> => {parent_tid=[6136]}, 88) = 6136 [pid 5867] <... openat resumed>) = 3 [pid 6136] <... rseq resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] newfstatat(3, "", ./strace-static-x86_64: Process 6137 attached [pid 6136] set_robust_list(0x7f44f9fde9a0, 24 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6137] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... clone3 resumed> => {parent_tid=[6137]}, 88) = 6137 [pid 5867] getdents64(3, [pid 6137] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] <... futex resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6137] set_robust_list(0x7f44f9fde9a0, 24 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... openat resumed>) = 3 [pid 5867] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 5867] unlink("./25/binderfs" [pid 5863] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 6135] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5863] <... openat resumed>) = 3 [pid 6137] <... openat resumed>) = 3 [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] newfstatat(3, "", [pid 6136] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5867] close(3 [pid 6137] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... close resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6136] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6134] <... futex resumed>) = 0 [pid 5867] rmdir("./25" [pid 6137] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6134] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 5863] getdents64(3, [pid 5867] mkdir("./26", 0777 [pid 6137] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6134] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6137] <... mmap resumed>) = 0x7f44f9f99000 [pid 6136] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6138 [pid 6137] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6136] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... mmap resumed>) = 0x7f44f9f59000 [pid 6136] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] newfstatat(AT_FDCWD, "./24/binderfs", ./strace-static-x86_64: Process 6138 attached [pid 6137] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6138] set_robust_list(0x55558acd66a0, 24 [pid 6137] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] <... futex resumed>) = 0 [pid 5863] unlink("./24/binderfs" [pid 6137] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6135] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6136] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 0 [pid 6136] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6136] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6135] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... set_robust_list resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... unlink resumed>) = 0 [pid 6134] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] getdents64(3, [pid 6137] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6137] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 5863] close(3) = 0 [pid 6137] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6134] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rmdir("./24" [pid 6133] <... io_uring_enter resumed>) = 4096 [pid 6138] chdir("./26" [pid 6135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... rmdir resumed>) = 0 [pid 6138] <... chdir resumed>) = 0 [pid 5863] mkdir("./25", 0777 [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] <... prctl resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6138] setpgid(0, 0 [pid 6132] exit_group(0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6133] <... futex resumed>) = ? [pid 6132] <... exit_group resumed>) = ? [pid 6133] +++ exited with 0 +++ ./strace-static-x86_64: Process 6139 attached [pid 6138] <... setpgid resumed>) = 0 [pid 6132] +++ exited with 0 +++ [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6139 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6138] write(3, "1000", 4) = 4 [pid 6138] close(3) = 0 [pid 5864] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6138] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] <... symlink resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 6138] write(1, "executing program\n", 18 [pid 5864] <... openat resumed>) = 3 [pid 6139] set_robust_list(0x55558acd66a0, 24 [pid 6138] <... write resumed>) = 18 [pid 6139] <... set_robust_list resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6139] chdir("./25" [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... chdir resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] getdents64(3, [pid 6139] <... prctl resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6139] setpgid(0, 0 [pid 6138] <... futex resumed>) = 0 [pid 6139] <... setpgid resumed>) = 0 [pid 6138] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6139] <... openat resumed>) = 3 [pid 6138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6139] write(3, "1000", 4 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6139] <... write resumed>) = 4 [pid 6138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6139] close(3 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] unlink("./24/binderfs" [pid 6139] <... close resumed>) = 0 [pid 6138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... unlink resumed>) = 0 [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 5864] getdents64(3, [pid 6139] <... symlink resumed>) = 0 [pid 6138] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 executing program [pid 6138] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6139] write(1, "executing program\n", 18 [pid 6138] <... mprotect resumed>) = 0 [pid 5864] close(3 [pid 6139] <... write resumed>) = 18 [pid 5864] <... close resumed>) = 0 [pid 6138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./24") = 0 [pid 5864] mkdir("./25", 0777 [pid 6138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 6138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6139] <... futex resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6140 attached [pid 6138] <... clone3 resumed> => {parent_tid=[6140]}, 88) = 6140 [pid 6140] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6139] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] <... rseq resumed>) = 0 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] set_robust_list(0x7f44f9fde9a0, 24 [pid 6139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6141 [pid 6139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6141 attached [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6140] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6139] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6140] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6141] set_robust_list(0x55558acd66a0, 24 [pid 6140] <... futex resumed>) = 0 [pid 6139] <... mprotect resumed>) = 0 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6138] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] chdir("./25" [pid 6139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6141] <... chdir resumed>) = 0 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6140] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6142 attached [pid 6141] <... prctl resumed>) = 0 [pid 6140] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6139] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6141] setpgid(0, 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] <... setpgid resumed>) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6140] <... mmap resumed>) = 0x7f44f9f99000 [pid 6139] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6141] <... openat resumed>) = 3 [pid 6139] <... futex resumed>) = 0 [pid 6141] write(3, "1000", 4 [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... write resumed>) = 4 [pid 6141] close(3 [pid 6140] <... mmap resumed>) = 0x7f44f9f59000 [pid 6142] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6141] <... close resumed>) = 0 [pid 6140] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6141] symlink("/dev/binderfs", "./binderfs" [pid 6140] <... futex resumed>) = 1 [pid 6138] <... futex resumed>) = 0 [pid 6141] <... symlink resumed>) = 0 [pid 6141] write(1, "executing program\n", 18) = 18 [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6141] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6140] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... rseq resumed>) = 0 [pid 6142] set_robust_list(0x7f44f9fde9a0, 24 [pid 6138] <... futex resumed>) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] <... futex resumed>) = 0 [pid 6138] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6140] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6138] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... openat resumed>) = 3 [pid 6140] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6138] <... futex resumed>) = 0 [pid 6142] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... mprotect resumed>) = 0 [pid 6141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6143]}, 88) = 6143 [pid 6142] <... futex resumed>) = 1 [pid 6142] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] <... futex resumed>) = 0 [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6139] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 0 [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6143 attached [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6143] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6142] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6142] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6143] <... rseq resumed>) = 0 [pid 6143] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6142] <... mmap resumed>) = 0x7f44f9f99000 [pid 6143] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6143] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6143] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... futex resumed>) = 0 [pid 6141] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6143] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6143] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6143] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6143] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6143] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6143] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 0 [pid 6143] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6143] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6141] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6139] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6139] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} => {parent_tid=[6144]}, 88) = 6144 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6144 attached NULL, 8) = 0 [pid 6139] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6139] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6144] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6142] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... io_uring_enter resumed>) = 4096 [pid 6137] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6144] <... rseq resumed>) = 0 [pid 6137] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] set_robust_list(0x7f44f9f589a0, 24 [pid 6136] <... io_uring_enter resumed>) = 4096 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6134] exit_group(0) = ? [pid 6137] <... futex resumed>) = ? [pid 6144] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] +++ exited with 0 +++ [pid 6136] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... futex resumed>) = 0 [pid 6135] exit_group(0) = ? [pid 6144] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6136] +++ exited with 0 +++ [pid 6135] +++ exited with 0 +++ [pid 6144] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6142] <... futex resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6142] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6139] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6142] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] +++ exited with 0 +++ [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5866] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 5865] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] unlink("./23/binderfs") = 0 [pid 5865] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] getdents64(3, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5866] close(3 [pid 6139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... close resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] rmdir("./23" [pid 5865] unlink("./24/binderfs" [pid 6139] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 5866] mkdir("./24", 0777 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5865] close(3 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./24"./strace-static-x86_64: Process 6145 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6145 [pid 6145] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... rmdir resumed>) = 0 [pid 6145] <... set_robust_list resumed>) = 0 [pid 5865] mkdir("./25", 0777 [pid 6145] chdir("./24" [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] <... chdir resumed>) = 0 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6146 attached ) = 0 [pid 6145] setpgid(0, 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6146 [pid 6146] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6145] <... setpgid resumed>) = 0 [pid 6146] chdir("./25") = 0 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6145] write(3, "1000", 4) = 4 [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6146] setpgid(0, 0) = 0 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] close(3 [pid 6146] <... openat resumed>) = 3 [pid 6146] write(3, "1000", 4) = 4 [pid 6146] close(3executing program ) = 0 [pid 6145] <... close resumed>) = 0 [pid 6145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6145] write(1, "executing program\n", 18) = 18 [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6146] symlink("/dev/binderfs", "./binderfs" [pid 6145] <... futex resumed>) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6146] write(1, "executing program\n", 18) = 18 [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6146] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6147 attached [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6146] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6147] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6147] <... rseq resumed>) = 0 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6147] set_robust_list(0x7f44f9fde9a0, 24 [pid 6146] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6147] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6145] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6147] <... openat resumed>) = 3 [pid 6147] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6146] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6146] <... futex resumed>) = 0 [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6147] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6145] <... mprotect resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] <... io_uring_enter resumed>) = 4096 [pid 6140] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6147] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6138] exit_group(0 [pid 6147] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... exit_group resumed>) = ? [pid 6147] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6140] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 6147] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] <... futex resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6147] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6147] <... futex resumed>) = 0 [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6147] <... futex resumed>) = 0 [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... clone3 resumed> => {parent_tid=[6148]}, 88) = 6148 [pid 5867] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", ./strace-static-x86_64: Process 6148 attached [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] <... io_uring_enter resumed>) = 4096 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6145] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6148] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] <... futex resumed>) = 0 [pid 6142] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6148] <... rseq resumed>) = 0 [pid 6147] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 0 [pid 6139] exit_group(0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 5867] unlink("./26/binderfs" [pid 6144] +++ exited with 0 +++ [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6148] set_robust_list(0x7f44f9fde9a0, 24 [pid 5867] close(3 [pid 6148] <... set_robust_list resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5867] rmdir("./26") = 0 [pid 5867] mkdir("./27", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6149 ./strace-static-x86_64: Process 6149 attached [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] set_robust_list(0x55558acd66a0, 24 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6149] <... set_robust_list resumed>) = 0 [pid 6148] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6149] chdir("./27" [pid 6148] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6143] <... io_uring_enter resumed>) = 4096 [pid 6149] <... chdir resumed>) = 0 [pid 6148] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6143] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] exit_group(0) = ? [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6145] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] +++ exited with 0 +++ [pid 6141] +++ exited with 0 +++ [pid 6145] <... futex resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6141, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6148] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./25/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./25") = 0 [pid 5864] mkdir("./26", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6150 attached , child_tidptr=0x55558acd6690) = 6150 [pid 6150] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6150] chdir("./26") = 0 [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] setpgid(0, 0 [pid 6149] <... prctl resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6149] setpgid(0, 0 [pid 5863] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6148] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] <... openat resumed>) = 3 [pid 6148] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] newfstatat(3, "", [pid 6149] <... setpgid resumed>) = 0 [pid 6150] <... setpgid resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] getdents64(3, [pid 6150] <... openat resumed>) = 3 [pid 6149] <... openat resumed>) = 3 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] write(3, "1000", 4 [pid 6148] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6150] write(3, "1000", 4 [pid 6149] <... write resumed>) = 4 [pid 6148] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6150] <... write resumed>) = 4 [pid 6150] close(3) = 0 [pid 6150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6149] close(3 [pid 6148] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6145] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] unlink("./25/binderfs" [pid 6150] write(1, "executing program\n", 18) = 18 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6149] <... close resumed>) = 0 [pid 6148] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... unlink resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 6148] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6148] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6145] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 5863] rmdir("./25" [pid 6148] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6145] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6150] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6151 attached => {parent_tid=[6151]}, 88) = 6151 [pid 6151] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6151] <... rseq resumed>) = 0 [pid 6150] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./26", 0777 [pid 6151] set_robust_list(0x7f44f9fde9a0, 24 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... symlink resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] write(1, "executing program\n", 18 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6151] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... write resumed>) = 18 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6152 [pid 6145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6150] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6152 attached [pid 6151] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6152] set_robust_list(0x55558acd66a0, 24 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6152] <... set_robust_list resumed>) = 0 [pid 6149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6152] chdir("./26" [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6152] <... chdir resumed>) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... prctl resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f44f9f99000 [pid 6149] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6152] setpgid(0, 0 [pid 6151] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6152] <... setpgid resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f44f9f59000 [pid 6149] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] <... mprotect resumed>) = 0 [pid 6152] <... openat resumed>) = 3 [pid 6151] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6152] write(3, "1000", 4 [pid 6151] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... write resumed>) = 4 [pid 6151] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6153 attached [pid 6152] close(3) = 0 [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6153] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6152] <... symlink resumed>) = 0 [pid 6149] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6153] <... rseq resumed>) = 0 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] set_robust_list(0x7f44f9fde9a0, 24 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] <... set_robust_list resumed>) = 0 executing program [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] write(1, "executing program\n", 18 [pid 6151] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6152] <... write resumed>) = 18 [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6153] <... openat resumed>) = 3 [pid 6153] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6152] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6150] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6153] <... futex resumed>) = 1 [pid 6152] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] <... futex resumed>) = 0 [pid 6147] <... io_uring_enter resumed>) = 4096 [pid 6153] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6152] <... mprotect resumed>) = 0 [pid 6149] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] <... futex resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6154 attached [pid 6153] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6146] exit_group(0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6146] <... exit_group resumed>) = ? [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6153] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6152] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = ? [pid 6154] <... rseq resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6154] set_robust_list(0x7f44f9fde9a0, 24 [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... set_robust_list resumed>) = 0 [pid 6147] +++ exited with 0 +++ [pid 6146] +++ exited with 0 +++ [pid 6154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6154] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6153] <... mmap resumed>) = 0x7f44f9f99000 [pid 6154] <... openat resumed>) = 3 [pid 5865] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6154] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6154] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 0 [pid 6154] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6152] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6152] <... futex resumed>) = 0 [pid 6154] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... mmap resumed>) = 0x7f44f9f99000 [pid 6154] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6154] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6152] <... futex resumed>) = 0 [pid 6154] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6154] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6154] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... futex resumed>) = 0 [pid 6154] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6152] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... mmap resumed>) = 0x7f44f9f59000 [pid 5865] <... openat resumed>) = 3 [pid 6153] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... io_uring_enter resumed>) = 4096 [pid 5865] newfstatat(3, "", [pid 6153] <... futex resumed>) = 0 [pid 6149] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6153] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(3, [pid 6153] <... futex resumed>) = 0 [pid 6148] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6145] exit_group(0 [pid 5865] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = ? [pid 6145] <... exit_group resumed>) = ? [pid 6149] <... futex resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] +++ exited with 0 +++ [pid 5865] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6145] +++ exited with 0 +++ [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] unlink("./25/binderfs" [pid 6153] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] <... unlink resumed>) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] getdents64(3, [pid 6153] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6149] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6149] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] close(3 [pid 5866] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./25" [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./26", 0777 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6155 ./strace-static-x86_64: Process 6155 attached [pid 6155] set_robust_list(0x55558acd66a0, 24 [pid 5866] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./24/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./24") = 0 [pid 6155] <... set_robust_list resumed>) = 0 [pid 5866] mkdir("./25", 0777 [pid 6155] chdir("./26" [pid 5866] <... mkdir resumed>) = 0 [pid 6155] <... chdir resumed>) = 0 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6155] setpgid(0, 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6155] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6156 attached [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6156 [pid 6155] <... openat resumed>) = 3 [pid 6156] set_robust_list(0x55558acd66a0, 24 [pid 6155] write(3, "1000", 4) = 4 [pid 6155] close(3 [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6156] chdir("./25") = 0 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6156] setpgid(0, 0) = 0 [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6155] symlink("/dev/binderfs", "./binderfs" [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6156] write(3, "1000", 4 [pid 6155] <... symlink resumed>) = 0 executing program [pid 6156] <... write resumed>) = 4 [pid 6155] write(1, "executing program\n", 18 [pid 6156] close(3 [pid 6155] <... write resumed>) = 18 [pid 6156] <... close resumed>) = 0 [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] symlink("/dev/binderfs", "./binderfs" [pid 6155] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6156] <... symlink resumed>) = 0 [pid 6155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6156] write(1, "executing program\n", 18) = 18 [pid 6155] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6155] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6156] <... futex resumed>) = 0 [pid 6155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6156] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6157 attached [pid 6156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6157] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] <... rseq resumed>) = 0 [pid 6156] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6156] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6155] <... clone3 resumed> => {parent_tid=[6157]}, 88) = 6157 [pid 6157] set_robust_list(0x7f44f9fde9a0, 24 [pid 6156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6155] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6158 attached [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6156] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 6158] <... rseq resumed>) = 0 [pid 6157] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6157] <... openat resumed>) = 3 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6157] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6151] <... io_uring_enter resumed>) = 4096 [pid 6157] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6155] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... openat resumed>) = 3 [pid 6157] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... io_uring_enter resumed>) = 4096 [pid 6151] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6154] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6150] exit_group(0 [pid 6158] <... futex resumed>) = 1 [pid 6157] <... mmap resumed>) = 0x7f44f9f99000 [pid 6156] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6150] <... exit_group resumed>) = ? [pid 6158] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6156] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] exit_group(0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... mmap resumed>) = 0x7f44f9f59000 [pid 6156] <... futex resumed>) = 0 [pid 6152] <... exit_group resumed>) = ? [pid 6151] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 6158] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6157] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6158] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6157] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6155] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = ? [pid 6155] <... futex resumed>) = 0 [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6157] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6154] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 5864] <... restart_syscall resumed>) = 0 [pid 6157] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6157] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6157] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6155] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6157] <... futex resumed>) = 0 [pid 6155] <... futex resumed>) = 1 [pid 5864] <... openat resumed>) = 3 [pid 5863] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6155] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5864] newfstatat(3, "", [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./26/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./26") = 0 [pid 5863] mkdir("./27", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6159 attached [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6159] set_robust_list(0x55558acd66a0, 24 [pid 5864] getdents64(3, [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6159 [pid 6159] <... set_robust_list resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6159] chdir("./27" [pid 6158] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5864] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6159] <... chdir resumed>) = 0 [pid 6158] <... mmap resumed>) = 0x7f44f9f59000 [pid 5864] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6159] setpgid(0, 0) = 0 [pid 6156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6158] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] unlink("./26/binderfs" [pid 6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... unlink resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6156] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... openat resumed>) = 3 [pid 6156] <... futex resumed>) = 0 [pid 5864] getdents64(3, [pid 6158] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] write(3, "1000", 4 [pid 6158] <... futex resumed>) = 0 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] close(3 [pid 6158] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 6158] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... futex resumed>) = 0 [pid 5864] rmdir("./26" [pid 6158] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... rmdir resumed>) = 0 [pid 6156] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6156] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6159] <... write resumed>) = 4 [pid 5864] mkdir("./27", 0777 [pid 6159] close(3 [pid 5864] <... mkdir resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6159] symlink("/dev/binderfs", "./binderfs" [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6160 attached , child_tidptr=0x55558acd6690) = 6160 [pid 6160] set_robust_list(0x55558acd66a0, 24 [pid 6159] <... symlink resumed>) = 0 [pid 6159] write(1, "executing program\n", 18) = 18 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6159] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6161]}, 88) = 6161 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6159] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6161 attached [pid 6161] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6161] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6161] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6161] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6159] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 1 [pid 6161] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6161] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6161] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6161] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6159] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 1 [pid 6161] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6159] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 1 [pid 6161] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6159] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 1 [pid 6161] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6160] chdir("./27") = 0 [pid 6156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6160] setpgid(0, 0) = 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6160] write(3, "1000", 4) = 4 [pid 6160] close(3) = 0 [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6159] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6160] <... symlink resumed>) = 0 [pid 6153] <... io_uring_enter resumed>) = 4096 [pid 6160] write(1, "executing program\n", 18executing program ) = 18 [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6160] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6153] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6153] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] exit_group(0 [pid 6153] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 6153] +++ exited with 0 +++ [pid 6160] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6149] +++ exited with 0 +++ [pid 6160] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... restart_syscall resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6160] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6162 attached [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(3, "", [pid 6162] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6157] <... io_uring_enter resumed>) = 4096 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6162] set_robust_list(0x7f44f9fde9a0, 24 [pid 5867] getdents64(3, [pid 6162] <... set_robust_list resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6162] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] <... openat resumed>) = 3 [pid 5867] newfstatat(AT_FDCWD, "./27/binderfs", [pid 6162] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6160] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6162] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./27/binderfs" [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6162] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 6155] exit_group(0) = ? [pid 6162] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6157] <... futex resumed>) = ? [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 6162] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6158] <... io_uring_enter resumed>) = 4096 [pid 6157] +++ exited with 0 +++ [pid 6155] +++ exited with 0 +++ [pid 5867] rmdir("./27" [pid 6162] <... mmap resumed>) = 0x7f44f9f99000 [pid 6158] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6162] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6158] <... futex resumed>) = 0 [pid 5865] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6162] <... mmap resumed>) = 0x7f44f9f59000 [pid 6158] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... rmdir resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6156] exit_group(0 [pid 5865] newfstatat(3, "", [pid 5867] mkdir("./28", 0777 [pid 6158] <... futex resumed>) = ? [pid 6156] <... exit_group resumed>) = ? [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6158] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 5867] <... mkdir resumed>) = 0 [pid 6162] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5866] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] unlink("./26/binderfs" [pid 5866] newfstatat(3, "", [pid 5865] <... unlink resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 5865] getdents64(3, ./strace-static-x86_64: Process 6163 attached [pid 6162] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6163] set_robust_list(0x55558acd66a0, 24 [pid 6162] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6163 [pid 5866] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6160] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] close(3 [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5865] <... close resumed>) = 0 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] rmdir("./26" [pid 6162] <... futex resumed>) = 0 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6160] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./25/binderfs" [pid 5865] <... rmdir resumed>) = 0 [pid 6163] chdir("./28" [pid 6162] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] mkdir("./27", 0777 [pid 6163] <... chdir resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] getdents64(3, [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6161] <... io_uring_enter resumed>) = 4096 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... mkdir resumed>) = 0 [pid 6163] <... prctl resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6163] setpgid(0, 0 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... setpgid resumed>) = 0 [pid 6162] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6161] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] close(3 [pid 6163] <... openat resumed>) = 3 [pid 6163] write(3, "1000", 4) = 4 [pid 6163] close(3) = 0 [pid 6163] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6163] write(1, "executing program\n", 18) = 18 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6163] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6164 attached => {parent_tid=[6164]}, 88) = 6164 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6163] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6159] exit_group(0 [pid 5866] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] <... rseq resumed>) = 0 [pid 6161] <... futex resumed>) = ? [pid 6159] <... exit_group resumed>) = ? [pid 5866] rmdir("./25" [pid 6164] set_robust_list(0x7f44f9fde9a0, 24 [pid 6161] +++ exited with 0 +++ [pid 6164] <... set_robust_list resumed>) = 0 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6164] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6164] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6164] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6164] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6164] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 1 [pid 6164] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 1 [pid 6164] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6163] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6163] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 1 [pid 6164] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6165 attached [pid 6159] +++ exited with 0 +++ [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6165 [pid 6165] set_robust_list(0x55558acd66a0, 24 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6159, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] mkdir("./26", 0777 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6165] chdir("./27") = 0 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6165] setpgid(0, 0) = 0 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6165] write(3, "1000", 4) = 4 [pid 6165] close(3) = 0 [pid 6165] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6165] write(1, "executing program\n", 18 [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6165] <... write resumed>) = 18 [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6165] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5863] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6166 [pid 6165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... openat resumed>) = 3 [pid 6165] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5863] newfstatat(3, "", [pid 6165] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, [pid 6165] <... mprotect resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6166 attached [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./27/binderfs") = 0 [pid 6165] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6167 attached [pid 6166] set_robust_list(0x55558acd66a0, 24 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] close(3) = 0 [pid 5863] rmdir("./27" [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6166] chdir("./26" [pid 6165] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... chdir resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 5863] mkdir("./28", 0777 [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] <... rseq resumed>) = 0 [pid 6166] <... prctl resumed>) = 0 [pid 6167] set_robust_list(0x7f44f9fde9a0, 24 [pid 6166] setpgid(0, 0 [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] <... setpgid resumed>) = 0 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] <... openat resumed>) = 3 [pid 5863] <... mkdir resumed>) = 0 [pid 6167] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6166] write(3, "1000", 4 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... write resumed>) = 4 [pid 6166] close(3) = 0 [pid 6166] symlink("/dev/binderfs", "./binderfs" [pid 6167] <... futex resumed>) = 1 [pid 6166] <... symlink resumed>) = 0 [pid 6165] <... futex resumed>) = 0 executing program [pid 6167] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6166] write(1, "executing program\n", 18 [pid 6165] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6166] <... write resumed>) = 18 [pid 6165] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6168 attached [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] set_robust_list(0x55558acd66a0, 24 [pid 6166] <... futex resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6168 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6168] chdir("./28" [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] <... chdir resumed>) = 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] <... prctl resumed>) = 0 [pid 6166] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6168] setpgid(0, 0 [pid 6166] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6167] <... mmap resumed>) = 0x7f44f9f99000 [pid 6166] <... mprotect resumed>) = 0 [pid 6167] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] <... mmap resumed>) = 0x7f44f9f59000 [pid 6166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6169 attached [pid 6167] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... clone3 resumed> => {parent_tid=[6169]}, 88) = 6169 [pid 6167] <... futex resumed>) = 1 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] <... futex resumed>) = 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6167] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... rseq resumed>) = 0 [pid 6167] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 0 [pid 6169] set_robust_list(0x7f44f9fde9a0, 24 [pid 6167] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6169] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6167] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6165] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... openat resumed>) = 3 [pid 6168] <... setpgid resumed>) = 0 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... openat resumed>) = 3 [pid 6169] <... futex resumed>) = 1 [pid 6168] write(3, "1000", 4 [pid 6166] <... futex resumed>) = 0 [pid 6166] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6168] <... write resumed>) = 4 [pid 6169] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6168] close(3 [pid 6169] <... mmap resumed>) = 0x7f44f9f99000 [pid 6168] <... close resumed>) = 0 [pid 6169] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6168] symlink("/dev/binderfs", "./binderfs" [pid 6169] <... mmap resumed>) = 0x7f44f9f59000 [pid 6169] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6169] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... symlink resumed>) = 0 [pid 6166] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] write(1, "executing program\n", 18 [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6166] <... futex resumed>) = 0 executing program [pid 6169] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6166] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... write resumed>) = 18 [pid 6166] <... futex resumed>) = 0 [pid 6166] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6168] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6170]}, 88) = 6170 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6170 attached [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6170] set_robust_list(0x7f44f9fde9a0, 24 [pid 6166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6170] <... set_robust_list resumed>) = 0 [pid 6170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6170] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6170] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6170] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 6168] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6170] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6170] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6170] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6170] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... io_uring_enter resumed>) = 4096 [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6170] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6170] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] exit_group(0) = ? [pid 6160] exit_group(0) = ? [pid 6162] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./27/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./27") = 0 [pid 5864] mkdir("./28", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6171 ./strace-static-x86_64: Process 6171 attached [pid 6171] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6171] chdir("./28") = 0 [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6171] setpgid(0, 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... setpgid resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6171] write(3, "1000", 4) = 4 [pid 6171] close(3) = 0 [pid 6171] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6171] write(1, "executing program\n", 18) = 18 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6171] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6171] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6172 attached [pid 6172] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6171] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 6172] <... rseq resumed>) = 0 [pid 6168] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6172] set_robust_list(0x7f44f9fde9a0, 24 [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... set_robust_list resumed>) = 0 [pid 6171] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] <... futex resumed>) = 0 [pid 6164] <... io_uring_enter resumed>) = ? [pid 6170] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6168] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... futex resumed>) = 0 [pid 6172] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6168] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... openat resumed>) = 3 [pid 6172] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6172] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... futex resumed>) = 0 [pid 6171] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6172] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6172] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6172] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6171] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6171] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6171] <... futex resumed>) = 0 [pid 6171] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6171] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6165] exit_group(0) = ? [pid 6166] exit_group(0) = ? [pid 6168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6164] +++ exited with 0 +++ [pid 6163] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./28/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./28") = 0 [pid 5867] mkdir("./29", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6173 ./strace-static-x86_64: Process 6173 attached [pid 6171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6167] <... io_uring_enter resumed>) = ? [pid 6173] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6173] chdir("./29" [pid 6167] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 6173] <... chdir resumed>) = 0 [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6173] setpgid(0, 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6173] <... setpgid resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6173] write(3, "1000", 4) = 4 [pid 6169] <... io_uring_enter resumed>) = ? [pid 6173] close(3 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6173] write(1, "executing program\n", 18executing program ) = 18 [pid 5865] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... futex resumed>) = 0 [pid 6173] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] newfstatat(3, "", [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] +++ exited with 0 +++ [pid 6166] +++ exited with 0 +++ [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6173] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6173] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] getdents64(3, [pid 6173] <... mprotect resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] <... clone3 resumed> => {parent_tid=[6174]}, 88) = 6174 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./27/binderfs", ./strace-static-x86_64: Process 6174 attached [pid 6173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6173] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] unlink("./27/binderfs" [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(3, "", [pid 5865] <... unlink resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 5866] getdents64(3, [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] close(3 [pid 5866] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... close resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] rmdir("./27" [pid 6174] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6174] <... rseq resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6174] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] mkdir("./28", 0777 [pid 6174] <... set_robust_list resumed>) = 0 [pid 5866] unlink("./26/binderfs" [pid 5865] <... mkdir resumed>) = 0 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6174] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] getdents64(3, [pid 6174] <... openat resumed>) = 3 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6175 [pid 6174] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 ./strace-static-x86_64: Process 6175 attached [pid 6174] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] set_robust_list(0x55558acd66a0, 24 [pid 5866] rmdir("./26" [pid 6174] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6173] <... futex resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6174] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./27", 0777 [pid 6174] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6174] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6176 attached [pid 6174] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6175] chdir("./28" [pid 6176] set_robust_list(0x55558acd66a0, 24 [pid 6175] <... chdir resumed>) = 0 [pid 6174] <... mmap resumed>) = 0x7f44f9f59000 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6176 [pid 6175] <... prctl resumed>) = 0 [pid 6173] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] setpgid(0, 0 [pid 6173] <... futex resumed>) = 0 [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... setpgid resumed>) = 0 [pid 6176] chdir("./27" [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... chdir resumed>) = 0 [pid 6174] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... openat resumed>) = 3 [pid 6174] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... prctl resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6176] setpgid(0, 0 [pid 6174] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... setpgid resumed>) = 0 [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... openat resumed>) = 3 [pid 6175] write(3, "1000", 4 [pid 6173] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] write(3, "1000", 4 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 6175] <... write resumed>) = 4 [pid 6176] <... write resumed>) = 4 [pid 6174] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6173] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] close(3 [pid 6175] close(3executing program [pid 6176] <... close resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 6176] symlink("/dev/binderfs", "./binderfs" [pid 6175] <... symlink resumed>) = 0 [pid 6175] write(1, "executing program\n", 18) = 18 [pid 6176] <... symlink resumed>) = 0 executing program [pid 6176] write(1, "executing program\n", 18) = 18 [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6176] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6176] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... mprotect resumed>) = 0 [pid 6176] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6176] <... clone3 resumed> => {parent_tid=[6177]}, 88) = 6177 [pid 6175] <... futex resumed>) = 0 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, ./strace-static-x86_64: Process 6177 attached NULL, 8) = 0 [pid 6177] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] <... rseq resumed>) = 0 [pid 6176] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] set_robust_list(0x7f44f9fde9a0, 24 [pid 6176] <... futex resumed>) = 0 [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6177] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6177] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6176] <... futex resumed>) = 0 [pid 6176] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6177] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6177] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6175] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6177] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... mprotect resumed>) = 0 [pid 6177] <... futex resumed>) = 1 [pid 6176] <... futex resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6176] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6178 attached [pid 6177] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6175] <... clone3 resumed> => {parent_tid=[6178]}, 88) = 6178 [pid 6178] <... rseq resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6178] set_robust_list(0x7f44f9fde9a0, 24 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] <... futex resumed>) = 1 [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6177] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6177] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6176] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6178] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6178] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6175] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... io_uring_enter resumed>) = 4096 [pid 6175] <... futex resumed>) = 0 [pid 6178] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... io_uring_enter resumed>) = 4096 [pid 6178] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6170] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] exit_group(0 [pid 6170] <... futex resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 6178] <... mmap resumed>) = 0x7f44f9f99000 [pid 6170] +++ exited with 0 +++ [pid 6168] +++ exited with 0 +++ [pid 6178] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6178] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = 0 [pid 6171] exit_group(0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6178] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... exit_group resumed>) = ? [pid 6172] +++ exited with 0 +++ [pid 6171] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6171, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... restart_syscall resumed>) = 0 [pid 6178] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... restart_syscall resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6178] <... futex resumed>) = 0 [pid 5864] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./28/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./28") = 0 [pid 5864] mkdir("./29", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6179 attached [pid 6179] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6179 [pid 6179] chdir("./29") = 0 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6179] setpgid(0, 0) = 0 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6179] write(3, "1000", 4 [pid 6178] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... openat resumed>) = 3 [pid 6179] <... write resumed>) = 4 [pid 6175] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(3, "", [pid 6179] close(3 [pid 6178] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 1 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6178] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6175] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] <... close resumed>) = 0 [pid 6179] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6179] write(1, "executing program\n", 18) = 18 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6179] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6180 attached => {parent_tid=[6180]}, 88) = 6180 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6179] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6180] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6180] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./28/binderfs") = 0 [pid 5863] getdents64(3, [pid 6180] <... openat resumed>) = 3 [pid 6180] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 5863] close(3 [pid 6179] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 5863] rmdir("./28" [pid 6180] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... rmdir resumed>) = 0 [pid 6180] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] mkdir("./29", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6181 [pid 6180] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6180] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 ./strace-static-x86_64: Process 6181 attached [pid 6181] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6180] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] chdir("./29" [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... chdir resumed>) = 0 [pid 6175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6180] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6181] setpgid(0, 0) = 0 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] <... io_uring_enter resumed>) = 4096 [pid 6181] <... openat resumed>) = 3 [pid 6181] write(3, "1000", 4) = 4 [pid 6181] close(3) = 0 [pid 6181] symlink("/dev/binderfs", "./binderfs" [pid 6174] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... symlink resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6174] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] exit_group(0 [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6174] <... futex resumed>) = ? [pid 6173] <... exit_group resumed>) = ? [pid 6179] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6174] +++ exited with 0 +++ [pid 6173] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6181] write(1, "executing program\n", 18) = 18 [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6181] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6181] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6181] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6182 attached => {parent_tid=[6182]}, 88) = 6182 [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... rseq resumed>) = 0 [pid 6181] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] set_robust_list(0x7f44f9fde9a0, 24 [pid 6181] <... futex resumed>) = 0 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6182] <... openat resumed>) = 3 [pid 6182] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6182] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6181] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 6182] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6182] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6182] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 0 [pid 6181] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... futex resumed>) = 1 [pid 6182] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6182] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6181] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6182] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6181] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... io_uring_enter resumed>) = 4096 [pid 5867] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6176] exit_group(0) = ? [pid 5867] unlink("./29/binderfs" [pid 6181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6177] +++ exited with 0 +++ [pid 6176] +++ exited with 0 +++ [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5867] rmdir("./29" [pid 5866] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... rmdir resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5867] mkdir("./30", 0777 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./27/binderfs") = 0 ./strace-static-x86_64: Process 6183 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6183 [pid 5866] getdents64(3, [pid 6183] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./27") = 0 [pid 5866] mkdir("./28", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6184 ./strace-static-x86_64: Process 6184 attached [pid 6183] chdir("./30" [pid 6184] set_robust_list(0x55558acd66a0, 24 [pid 6183] <... chdir resumed>) = 0 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] <... set_robust_list resumed>) = 0 [pid 6184] chdir("./28" [pid 6183] <... prctl resumed>) = 0 [pid 6184] <... chdir resumed>) = 0 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] setpgid(0, 0 [pid 6184] <... prctl resumed>) = 0 [pid 6183] <... setpgid resumed>) = 0 [pid 6184] setpgid(0, 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... setpgid resumed>) = 0 [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] <... openat resumed>) = 3 [pid 6178] <... io_uring_enter resumed>) = 4096 [pid 6184] <... openat resumed>) = 3 [pid 6183] write(3, "1000", 4 [pid 6184] write(3, "1000", 4 [pid 6183] <... write resumed>) = 4 [pid 6178] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... write resumed>) = 4 [pid 6183] close(3 [pid 6184] close(3 [pid 6183] <... close resumed>) = 0 [pid 6175] exit_group(0 [pid 6184] <... close resumed>) = 0 [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6175] <... exit_group resumed>) = ? [pid 6184] symlink("/dev/binderfs", "./binderfs" [pid 6183] <... symlink resumed>) = 0 [pid 6178] <... futex resumed>) = ? [pid 6178] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ executing program executing program [pid 6184] <... symlink resumed>) = 0 [pid 6180] <... io_uring_enter resumed>) = 4096 [pid 6184] write(1, "executing program\n", 18 [pid 6183] write(1, "executing program\n", 18 [pid 6180] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... write resumed>) = 18 [pid 6183] <... write resumed>) = 18 [pid 6180] <... futex resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6180] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] exit_group(0 [pid 5865] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = ? [pid 6179] <... exit_group resumed>) = ? [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6182] <... io_uring_enter resumed>) = 4096 [pid 6180] +++ exited with 0 +++ [pid 6179] +++ exited with 0 +++ [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6183] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6182] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6183] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6181] exit_group(0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6184] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6181] <... exit_group resumed>) = ? [pid 5864] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6183] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6184] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] <... openat resumed>) = 3 [pid 6183] <... mprotect resumed>) = 0 [pid 5864] unlink("./29/binderfs" [pid 6184] <... mprotect resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... unlink resumed>) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./29" [pid 6184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 5864] <... rmdir resumed>) = 0 [pid 6184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5864] mkdir("./30", 0777./strace-static-x86_64: Process 6185 attached [pid 6184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5864] <... mkdir resumed>) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6184] <... clone3 resumed> => {parent_tid=[6186]}, 88) = 6186 [pid 6183] <... clone3 resumed> => {parent_tid=[6185]}, 88) = 6185 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6185] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... restart_syscall resumed>) = 0 [pid 6185] set_robust_list(0x7f44f9fde9a0, 24 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6184] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6187 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] <... futex resumed>) = 0 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6187 attached ./strace-static-x86_64: Process 6186 attached [pid 6185] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 5863] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6187] set_robust_list(0x55558acd66a0, 24 [pid 6186] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] <... rseq resumed>) = 0 [pid 6187] chdir("./30" [pid 6186] set_robust_list(0x7f44f9fde9a0, 24 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6187] <... chdir resumed>) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 5865] getdents64(3, [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] getdents64(3, [pid 6187] <... prctl resumed>) = 0 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] setpgid(0, 0 [pid 6186] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6187] <... setpgid resumed>) = 0 [pid 6186] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5863] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6185] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6183] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] <... openat resumed>) = 3 [pid 6186] <... futex resumed>) = 1 [pid 6185] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6184] <... futex resumed>) = 0 [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] write(3, "1000", 4 [pid 6186] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./29/binderfs" [pid 6187] <... write resumed>) = 4 [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] close(3 [pid 6186] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6187] <... close resumed>) = 0 [pid 6186] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6185] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6184] <... futex resumed>) = 0 [pid 5865] unlink("./28/binderfs" [pid 5863] <... unlink resumed>) = 0 [pid 6187] symlink("/dev/binderfs", "./binderfs" [pid 6186] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... mmap resumed>) = 0x7f44f9f99000 [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] getdents64(3, [pid 6187] write(1, "executing program\n", 18 executing program [pid 6186] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6185] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] <... unlink resumed>) = 0 [pid 6187] <... write resumed>) = 18 [pid 6186] <... mmap resumed>) = 0x7f44f9f59000 [pid 6185] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] close(3 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 6187] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6186] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6185] <... mmap resumed>) = 0x7f44f9f59000 [pid 5865] getdents64(3, [pid 6185] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] rmdir("./29" [pid 6187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6186] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6186] <... futex resumed>) = 0 [pid 6187] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6185] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] close(3 [pid 5863] <... rmdir resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... close resumed>) = 0 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] mkdir("./30", 0777 [pid 6184] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rmdir("./28" [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6187] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6186] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... mprotect resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6186] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... mkdir resumed>) = 0 [pid 6187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6188]}, 88) = 6188 [pid 5865] <... rmdir resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] mkdir("./29", 0777 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6188 attached [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6184] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... rseq resumed>) = 0 [pid 6188] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6189 attached NULL, 8) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6186] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6184] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=31000000} [pid 6189] set_robust_list(0x55558acd66a0, 24 [pid 6185] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6189 [pid 6188] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 ./strace-static-x86_64: Process 6190 attached [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6183] <... futex resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6190 [pid 6183] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6188] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6187] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6187] <... futex resumed>) = 0 [pid 6188] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] set_robust_list(0x55558acd66a0, 24 [pid 6189] chdir("./30" [pid 6188] <... mmap resumed>) = 0x7f44f9f99000 [pid 6189] <... chdir resumed>) = 0 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6188] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6190] chdir("./29" [pid 6188] <... mmap resumed>) = 0x7f44f9f59000 [pid 6188] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6187] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... chdir resumed>) = 0 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... prctl resumed>) = 0 [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6189] setpgid(0, 0 [pid 6187] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] setpgid(0, 0 [pid 6189] <... setpgid resumed>) = 0 [pid 6190] <... setpgid resumed>) = 0 [pid 6188] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... openat resumed>) = 3 [pid 6189] <... openat resumed>) = 3 [pid 6188] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] write(3, "1000", 4 [pid 6189] write(3, "1000", 4) = 4 [pid 6189] close(3) = 0 [pid 6188] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6189] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6189] write(1, "executing program\n", 18) = 18 [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... write resumed>) = 4 [pid 6189] <... futex resumed>) = 0 [pid 6190] close(3 [pid 6189] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6190] <... close resumed>) = 0 [pid 6189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6187] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] symlink("/dev/binderfs", "./binderfs" [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6190] <... symlink resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7f44f9fbe000 executing program [pid 6190] write(1, "executing program\n", 18 [pid 6189] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6190] <... write resumed>) = 18 [pid 6189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6190] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6191 attached [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6191] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6190] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6189] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191 [pid 6191] <... rseq resumed>) = 0 [pid 6190] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] <... mprotect resumed>) = 0 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6191] set_robust_list(0x7f44f9fde9a0, 24 [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] <... set_robust_list resumed>) = 0 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6186] <... io_uring_enter resumed>) = 4096 [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6191] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6191] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6189] <... futex resumed>) = 0 [pid 6190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6189] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6191] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6191] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 6192 attached ) = 0x7f44f9f99000 [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6190] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6191] <... mmap resumed>) = 0x7f44f9f59000 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6191] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 0 [pid 6190] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = 0 [pid 6191] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 6189] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6191] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6191] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6189] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6192] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6184] exit_group(0) = ? [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 6192] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6192] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./28/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./28") = 0 [pid 5866] mkdir("./29", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6193 ./strace-static-x86_64: Process 6193 attached [pid 6193] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6193] chdir("./29") = 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6193] setpgid(0, 0) = 0 [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6193] write(3, "1000", 4 [pid 6190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6193] <... write resumed>) = 4 [pid 6193] close(3 [pid 6190] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... close resumed>) = 0 [pid 6193] symlink("/dev/binderfs", "./binderfs" [pid 6190] <... futex resumed>) = 0 [pid 6193] <... symlink resumed>) = 0 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6193] write(1, "executing program\n", 18) = 18 [pid 6190] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6193] <... futex resumed>) = 0 [pid 6193] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6192] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... mprotect resumed>) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6192] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6193] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6190] <... clone3 resumed> => {parent_tid=[6194]}, 88) = 6194 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6190] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6194 attached [pid 6193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6195]}, 88) = 6195 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6193] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... futex resumed>) = 0 [pid 6190] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6195] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6194] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6195] <... rseq resumed>) = 0 [pid 6194] <... rseq resumed>) = 0 [pid 6195] set_robust_list(0x7f44f9fde9a0, 24 [pid 6194] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6194] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6195] <... openat resumed>) = 3 [pid 6194] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6195] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... mmap resumed>) = 0x7f44f9f78000 [pid 6193] <... futex resumed>) = 0 [pid 6195] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6194] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6193] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6193] <... futex resumed>) = 0 [pid 6185] <... io_uring_enter resumed>) = 4096 [pid 6194] <... mmap resumed>) = 0x7f44f9f38000 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6194] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] exit_group(0 [pid 6195] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6183] <... exit_group resumed>) = ? [pid 6195] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6193] <... futex resumed>) = 0 [pid 6193] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... futex resumed>) = 1 [pid 6194] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = ? [pid 6195] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 6190] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 [pid 6192] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... io_uring_enter resumed>) = 4096 [pid 6195] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 [pid 6185] +++ exited with 0 +++ [pid 6183] +++ exited with 0 +++ [pid 6190] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... futex resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6195] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5867] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6190] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6188] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] exit_group(0 [pid 6188] <... futex resumed>) = ? [pid 6187] <... exit_group resumed>) = ? [pid 6192] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] +++ exited with 0 +++ [pid 6187] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./30/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6192] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./30") = 0 [pid 5864] mkdir("./31", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6196 ./strace-static-x86_64: Process 6196 attached [pid 6196] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6196] chdir("./31") = 0 [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6196] setpgid(0, 0) = 0 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6192] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6196] write(3, "1000", 4) = 4 [pid 6196] close(3) = 0 [pid 6196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6196] write(1, "executing program\n", 18 [pid 6190] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 executing program [pid 6192] <... futex resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6192] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6190] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 6196] <... write resumed>) = 18 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6196] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6196] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5867] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6196] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6196] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] unlink("./30/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6196] <... mprotect resumed>) = 0 [pid 5867] close(3 [pid 6196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... close resumed>) = 0 [pid 6196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] rmdir("./30"executing program [pid 6196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./31", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6197 ./strace-static-x86_64: Process 6197 attached [pid 6197] set_robust_list(0x55558acd66a0, 24 [pid 6196] <... clone3 resumed> => {parent_tid=[6198]}, 88) = 6198 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] chdir("./31" [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] <... chdir resumed>) = 0 [pid 6196] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] <... futex resumed>) = 0 [pid 6197] <... prctl resumed>) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] setpgid(0, 0./strace-static-x86_64: Process 6198 attached ) = 0 [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6198] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6197] <... openat resumed>) = 3 [pid 6198] <... rseq resumed>) = 0 [pid 6197] write(3, "1000", 4 [pid 6198] set_robust_list(0x7f44f9fde9a0, 24 [pid 6197] <... write resumed>) = 4 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6197] close(3 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... close resumed>) = 0 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] symlink("/dev/binderfs", "./binderfs" [pid 6198] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6197] <... symlink resumed>) = 0 [pid 6197] write(1, "executing program\n", 18) = 18 [pid 6198] <... openat resumed>) = 3 [pid 6197] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = 0 [pid 6197] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6197] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6199]}, 88) = 6199 [pid 6198] <... futex resumed>) = 1 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] <... futex resumed>) = 0 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6199 attached [pid 6199] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6198] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6199] set_robust_list(0x7f44f9fde9a0, 24 [pid 6198] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6198] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] <... mmap resumed>) = 0x7f44f9f59000 [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6199] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6199] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6199] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... futex resumed>) = 0 [pid 6197] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6198] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6196] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6198] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... mmap resumed>) = 0x7f44f9f99000 [pid 6198] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6196] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6198] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 0 [pid 6196] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] <... mmap resumed>) = 0x7f44f9f59000 [pid 6198] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6191] <... io_uring_enter resumed>) = 4096 [pid 6197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6197] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6199] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6199] <... futex resumed>) = 0 [pid 6197] <... mprotect resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6200 attached [pid 6199] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6200] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6197] <... clone3 resumed> => {parent_tid=[6200]}, 88) = 6200 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6200] <... rseq resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6200] set_robust_list(0x7f44f9f589a0, 24 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6200] <... set_robust_list resumed>) = 0 [pid 6197] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... futex resumed>) = 0 [pid 6196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6191] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6197] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] exit_group(0 [pid 6191] <... futex resumed>) = ? [pid 6189] <... exit_group resumed>) = ? [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] +++ exited with 0 +++ [pid 6189] +++ exited with 0 +++ [pid 6199] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6189, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6199] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6197] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6197] <... futex resumed>) = 0 [pid 5863] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./30/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./30") = 0 [pid 5863] mkdir("./31", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6201 attached , child_tidptr=0x55558acd6690) = 6201 [pid 6201] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6201] chdir("./31") = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6201] setpgid(0, 0) = 0 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6201] write(3, "1000", 4) = 4 [pid 6201] close(3) = 0 [pid 6201] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6201] write(1, "executing program\n", 18 [pid 6197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6201] <... write resumed>) = 18 [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6201] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] <... io_uring_enter resumed>) = 4096 [pid 6195] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6195] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] exit_group(0 [pid 6195] <... futex resumed>) = ? [pid 6193] <... exit_group resumed>) = ? [pid 6195] +++ exited with 0 +++ [pid 6193] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6193, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./29/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./29") = 0 [pid 5866] mkdir("./30", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6202 ./strace-static-x86_64: Process 6202 attached [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6202] set_robust_list(0x55558acd66a0, 24 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6202] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6203 attached [pid 6202] chdir("./30" [pid 6201] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6203] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6203] <... rseq resumed>) = 0 [pid 6201] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] set_robust_list(0x7f44f9fde9a0, 24 [pid 6202] <... chdir resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6192] <... io_uring_enter resumed>) = 4096 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] <... prctl resumed>) = 0 [pid 6192] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6190] exit_group(0 [pid 6203] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6194] <... futex resumed>) = ? [pid 6190] <... exit_group resumed>) = ? [pid 6192] +++ exited with 0 +++ [pid 6194] +++ exited with 0 +++ [pid 6190] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6190, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6203] <... openat resumed>) = 3 [pid 6203] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 6201] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 1 [pid 6203] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6203] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6203] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6203] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6203] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6203] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] setpgid(0, 0 [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6203] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 0 [pid 6203] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6201] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... restart_syscall resumed>) = 0 [pid 6202] <... setpgid resumed>) = 0 [pid 6199] <... io_uring_enter resumed>) = 4096 [pid 5865] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] write(3, "1000", 4 [pid 6199] <... futex resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6202] <... write resumed>) = 4 [pid 6199] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... openat resumed>) = 3 [pid 6202] close(3 [pid 5865] newfstatat(3, "", [pid 6202] <... close resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6202] symlink("/dev/binderfs", "./binderfs" [pid 5865] getdents64(3, executing program [pid 6202] <... symlink resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6202] write(1, "executing program\n", 18 [pid 6197] exit_group(0 [pid 5865] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6202] <... write resumed>) = 18 [pid 6200] <... futex resumed>) = ? [pid 6199] <... futex resumed>) = ? [pid 6197] <... exit_group resumed>) = ? [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] +++ exited with 0 +++ [pid 6199] +++ exited with 0 +++ [pid 6197] +++ exited with 0 +++ [pid 5865] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6202] <... futex resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6202] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] unlink("./29/binderfs" [pid 6202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] getdents64(3, [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] close(3 [pid 6202] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... openat resumed>) = 3 [pid 5865] <... close resumed>) = 0 [pid 6202] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] newfstatat(3, "", [pid 5865] rmdir("./29" [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5867] getdents64(3, [pid 5865] mkdir("./30", 0777 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... mkdir resumed>) = 0 [pid 5867] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6198] <... io_uring_enter resumed>) = 4096 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6204 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6204 attached [pid 6202] <... mprotect resumed>) = 0 [pid 5867] unlink("./31/binderfs" [pid 6202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... unlink resumed>) = 0 [pid 6202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] getdents64(3, [pid 6204] set_robust_list(0x55558acd66a0, 24 [pid 6202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6198] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(3 [pid 6204] chdir("./30" [pid 6202] <... clone3 resumed> => {parent_tid=[6205]}, 88) = 6205 [pid 6196] exit_group(0 [pid 5867] <... close resumed>) = 0 [pid 6204] <... chdir resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] <... exit_group resumed>) = ? [pid 5867] rmdir("./31"executing program ./strace-static-x86_64: Process 6205 attached [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] <... futex resumed>) = ? [pid 5867] <... rmdir resumed>) = 0 [pid 6204] <... prctl resumed>) = 0 [pid 6202] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./32", 0777 [pid 6204] setpgid(0, 0 [pid 6202] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6204] <... setpgid resumed>) = 0 [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6206 [pid 6204] write(3, "1000", 4./strace-static-x86_64: Process 6206 attached ) = 4 [pid 6206] set_robust_list(0x55558acd66a0, 24 [pid 6204] close(3 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6204] <... close resumed>) = 0 [pid 6206] chdir("./32" [pid 6204] symlink("/dev/binderfs", "./binderfs" [pid 6206] <... chdir resumed>) = 0 [pid 6204] <... symlink resumed>) = 0 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] write(1, "executing program\n", 18) = 18 [pid 6206] <... prctl resumed>) = 0 [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6205] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6204] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6205] <... rseq resumed>) = 0 [pid 6204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6206] setpgid(0, 0 [pid 6205] set_robust_list(0x7f44f9fde9a0, 24 [pid 6204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6198] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 6206] <... setpgid resumed>) = 0 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6196, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6206] <... openat resumed>) = 3 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6206] write(3, "1000", 4 [pid 6204] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6206] <... write resumed>) = 4 [pid 6204] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6206] close(3 [pid 6205] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6204] <... mprotect resumed>) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6206] <... close resumed>) = 0 [pid 6204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6206] symlink("/dev/binderfs", "./binderfs" [pid 6204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6206] <... symlink resumed>) = 0 [pid 6204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6207 attached [pid 6206] write(1, "executing program\n", 18 [pid 6205] <... openat resumed>) = 3 [pid 6207] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6206] <... write resumed>) = 18 [pid 6204] <... clone3 resumed> => {parent_tid=[6207]}, 88) = 6207 [pid 6207] <... rseq resumed>) = 0 [pid 6206] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] set_robust_list(0x7f44f9fde9a0, 24 [pid 6206] <... futex resumed>) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6206] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6204] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6207] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6207] <... openat resumed>) = 3 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6207] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6205] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... futex resumed>) = 0 [pid 6206] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6204] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6207] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6206] <... mprotect resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6207] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6207] <... mmap resumed>) = 0x7f44f9f99000 [pid 6206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6207] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6206] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 6207] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... futex resumed>) = 1 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6207] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] unlink("./31/binderfs" [pid 6207] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 1 [pid 5864] <... unlink resumed>) = 0 [pid 6207] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] getdents64(3, [pid 6207] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6207] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6202] <... futex resumed>) = 0 [pid 6207] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6204] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(3) = 0 [pid 5864] rmdir("./31") = 0 [pid 5864] mkdir("./32", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6209 ./strace-static-x86_64: Process 6209 attached ./strace-static-x86_64: Process 6208 attached [pid 6205] <... futex resumed>) = 1 [pid 6202] <... futex resumed>) = 0 [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=37000000} [pid 6208] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6205] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6209] set_robust_list(0x55558acd66a0, 24 [pid 6208] <... rseq resumed>) = 0 [pid 6205] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6208] set_robust_list(0x7f44f9fde9a0, 24 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6205] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6209] chdir("./32") = 0 [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6205] <... mmap resumed>) = 0x7f44f9f99000 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6206] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... prctl resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6209] setpgid(0, 0 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] <... setpgid resumed>) = 0 [pid 6206] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6209] <... openat resumed>) = 3 [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... mprotect resumed>) = 0 [pid 6205] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6208] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6202] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... openat resumed>) = 3 [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6205] <... mmap resumed>) = 0x7f44f9f59000 [pid 6202] <... futex resumed>) = 0 [pid 6206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6208] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... mmap resumed>) = 0x7f44f9f38000 [pid 6206] <... clone3 resumed> => {parent_tid=[6210]}, 88) = 6210 [pid 6202] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] <... mprotect resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6210 attached [pid 6209] write(3, "1000", 4 [pid 6206] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6210] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6209] <... write resumed>) = 4 [pid 6208] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6210] <... rseq resumed>) = 0 [pid 6209] close(3 [pid 6206] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6209] <... close resumed>) = 0 [pid 6202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] symlink("/dev/binderfs", "./binderfs" [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... symlink resumed>) = 0 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... clone3 resumed> => {parent_tid=[6211]}, 88) = 6211 [pid 6210] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6211 attached [pid 6210] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6209] write(1, "executing program\n", 18 [pid 6211] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6210] <... mmap resumed>) = 0x7f44f9f78000 [pid 6202] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... rseq resumed>) = 0 [pid 6210] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6209] <... write resumed>) = 18 [pid 6211] set_robust_list(0x7f44f9f589a0, 24 [pid 6210] <... mmap resumed>) = 0x7f44f9f38000 [pid 6202] <... futex resumed>) = 0 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6211] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 1 [pid 6202] <... futex resumed>) = 0 [pid 6211] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6209] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6208] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6208] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 1 [pid 6202] <... futex resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6208] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... futex resumed>) = 0 [pid 6209] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6208] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6202] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6208] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6206] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... clone3 resumed> => {parent_tid=[6212]}, 88) = 6212 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6212 attached [pid 6209] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... futex resumed>) = 0 [pid 6206] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6212] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6212] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6212] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6212] <... futex resumed>) = 1 [pid 6212] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] <... futex resumed>) = 0 [pid 6209] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 1 [pid 6212] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6212] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6212] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6212] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6212] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 0 [pid 6212] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6212] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 1 [pid 6212] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6209] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6209] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6203] <... io_uring_enter resumed>) = 4096 [pid 6203] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6203] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] exit_group(0 [pid 6203] <... futex resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 6203] +++ exited with 0 +++ [pid 6201] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./31/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./31") = 0 [pid 5863] mkdir("./32", 0777) = 0 [pid 6207] <... io_uring_enter resumed>) = 4096 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6213 ./strace-static-x86_64: Process 6213 attached [pid 6213] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6207] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] chdir("./32" [pid 6207] <... futex resumed>) = 0 [pid 6207] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] exit_group(0) = ? [pid 6207] <... futex resumed>) = ? [pid 6207] +++ exited with 0 +++ [pid 6204] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6204, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6213] <... chdir resumed>) = 0 [pid 6208] <... io_uring_enter resumed>) = 4096 [pid 5865] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] <... io_uring_enter resumed>) = 4096 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6213] <... prctl resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6213] setpgid(0, 0) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] newfstatat(3, "", [pid 6213] <... openat resumed>) = 3 [pid 6205] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6213] write(3, "1000", 4 [pid 6208] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 0 [pid 5865] getdents64(3, [pid 6213] <... write resumed>) = 4 [pid 6205] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] exit_group(0 [pid 6213] close(3 [pid 6211] <... futex resumed>) = ? [pid 6208] <... futex resumed>) = 0 [pid 6202] <... exit_group resumed>) = ? [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6213] <... close resumed>) = 0 [pid 6211] +++ exited with 0 +++ [pid 6208] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6213] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6206] exit_group(0 [pid 6210] <... futex resumed>) = ? [pid 6206] <... exit_group resumed>) = ? [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] <... futex resumed>) = ? [pid 6210] +++ exited with 0 +++ [pid 5865] unlink("./30/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6208] +++ exited with 0 +++ [pid 6206] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./30"executing program ) = 0 [pid 6213] <... symlink resumed>) = 0 [pid 6213] write(1, "executing program\n", 18 [pid 6212] <... io_uring_enter resumed>) = 4096 [pid 6205] <... futex resumed>) = ? [pid 5867] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6213] <... write resumed>) = 18 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] +++ exited with 0 +++ [pid 6202] +++ exited with 0 +++ [pid 5867] <... openat resumed>) = 3 [pid 6209] exit_group(0) = ? [pid 6212] <... futex resumed>) = ? [pid 5867] newfstatat(3, "", [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6202, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6212] +++ exited with 0 +++ [pid 6209] +++ exited with 0 +++ [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6213] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6209, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6213] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] mkdir("./31", 0777 [pid 6213] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5866] <... openat resumed>) = 3 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... openat resumed>) = 3 [pid 6213] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] newfstatat(3, "", [pid 5864] newfstatat(3, "", [pid 5867] unlink("./32/binderfs" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6214 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6213] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 5864] getdents64(3, [pid 6213] <... mprotect resumed>) = 0 [pid 5867] getdents64(3, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6214 attached [pid 6213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... close resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5864] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5867] rmdir("./32" [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5866] unlink("./30/binderfs" [pid 5864] unlink("./32/binderfs" [pid 6214] set_robust_list(0x55558acd66a0, 24 [pid 6213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] <... unlink resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5867] mkdir("./33", 0777 [pid 5866] getdents64(3, [pid 5864] getdents64(3, [pid 5867] <... mkdir resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6214] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] close(3 [pid 5864] close(3 [pid 6214] chdir("./31" [pid 6213] <... clone3 resumed> => {parent_tid=[6215]}, 88) = 6215 [pid 5866] <... close resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 6214] <... chdir resumed>) = 0 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6216 [pid 5866] rmdir("./30" [pid 5864] rmdir("./32" [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6214] <... prctl resumed>) = 0 [pid 6213] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mkdir("./31", 0777 [pid 5864] mkdir("./33", 0777 [pid 6214] setpgid(0, 0 [pid 6213] <... futex resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 6214] <... setpgid resumed>) = 0 [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6217 attached [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6218 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6217 ./strace-static-x86_64: Process 6216 attached ./strace-static-x86_64: Process 6215 attached [pid 6217] set_robust_list(0x55558acd66a0, 24 [pid 6214] write(3, "1000", 4executing program ./strace-static-x86_64: Process 6218 attached [pid 6217] <... set_robust_list resumed>) = 0 [pid 6216] set_robust_list(0x55558acd66a0, 24 [pid 6215] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6214] <... write resumed>) = 4 [pid 6215] <... rseq resumed>) = 0 [pid 6215] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6215] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6214] close(3 [pid 6215] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... close resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6213] <... futex resumed>) = 0 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6214] <... symlink resumed>) = 0 [pid 6213] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] chdir("./33" [pid 6216] chdir("./33" [pid 6215] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6214] write(1, "executing program\n", 18 [pid 6213] <... futex resumed>) = 0 [pid 6217] <... chdir resumed>) = 0 [pid 6216] <... chdir resumed>) = 0 [pid 6215] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6214] <... write resumed>) = 18 [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6215] <... mmap resumed>) = 0x7f44f9f99000 [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... prctl resumed>) = 0 [pid 6216] <... prctl resumed>) = 0 [pid 6215] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6214] <... futex resumed>) = 0 [pid 6218] set_robust_list(0x55558acd66a0, 24 [pid 6217] setpgid(0, 0 [pid 6216] setpgid(0, 0 [pid 6215] <... mmap resumed>) = 0x7f44f9f59000 [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] <... setpgid resumed>) = 0 [pid 6216] <... setpgid resumed>) = 0 [pid 6215] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] chdir("./31" [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... futex resumed>) = 1 [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6213] <... futex resumed>) = 0 [pid 6216] <... openat resumed>) = 3 [pid 6215] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] write(3, "1000", 4 [pid 6215] <... futex resumed>) = 0 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] <... futex resumed>) = 0 [pid 6216] <... write resumed>) = 4 [pid 6215] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] close(3 [pid 6214] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] <... close resumed>) = 0 [pid 6214] <... mprotect resumed>) = 0 [pid 6213] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] symlink("/dev/binderfs", "./binderfs" [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6216] <... symlink resumed>) = 0 executing program executing program [pid 6215] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6218] <... chdir resumed>) = 0 [pid 6216] write(1, "executing program\n", 18 [pid 6214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6217] <... openat resumed>) = 3 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6216] <... write resumed>) = 18 [pid 6215] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6219 attached [pid 6217] write(3, "1000", 4 [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] <... write resumed>) = 4 [pid 6217] close(3) = 0 [pid 6217] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6217] write(1, "executing program\n", 18) = 18 [pid 6219] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... prctl resumed>) = 0 [pid 6213] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... futex resumed>) = 0 [pid 6215] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6218] setpgid(0, 0 [pid 6216] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6213] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6217] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6217] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6220]}, 88) = 6220 [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 6213] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... setpgid resumed>) = 0 [pid 6216] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6220 attached [pid 6219] <... rseq resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6214] <... clone3 resumed> => {parent_tid=[6219]}, 88) = 6219 [pid 6219] set_robust_list(0x7f44f9fde9a0, 24 [pid 6217] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... openat resumed>) = 3 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] write(3, "1000", 4 [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... write resumed>) = 4 [pid 6220] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6218] close(3 [pid 6214] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6218] <... close resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6218] symlink("/dev/binderfs", "./binderfs" [pid 6216] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6220] <... rseq resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] set_robust_list(0x7f44f9fde9a0, 24 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... mprotect resumed>) = 0 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] <... openat resumed>) = 3 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6219] <... futex resumed>) = 0 [pid 6220] <... openat resumed>) = 3 [pid 6219] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6220] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... symlink resumed>) = 0 [pid 6216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... futex resumed>) = 1 [pid 6216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] write(1, "executing program\n", 18 [pid 6216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6214] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6219] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6219] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6217] <... futex resumed>) = 0 [pid 6217] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6220] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6220] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6220] <... mmap resumed>) = 0x7f44f9f99000 [pid 6219] <... mmap resumed>) = 0x7f44f9f59000 [pid 6219] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6219] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6220] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6217] <... futex resumed>) = 0 [pid 6217] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... write resumed>) = 18 [pid 6216] <... clone3 resumed> => {parent_tid=[6221]}, 88) = 6221 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = 1 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... futex resumed>) = 0 [pid 6216] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6217] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6221 attached [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6221] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6221] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6221] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6217] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... openat resumed>) = 3 [pid 6221] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6219] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] <... futex resumed>) = 1 [pid 6219] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... futex resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = 0 [pid 6219] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... futex resumed>) = 1 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6221] <... futex resumed>) = 0 [pid 6220] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6221] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6220] <... futex resumed>) = 1 [pid 6219] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6217] <... futex resumed>) = 0 [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6217] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6217] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6220] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6218] <... mprotect resumed>) = 0 [pid 6214] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6214] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6219] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6221] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6214] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... mmap resumed>) = 0x7f44f9f99000 [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6221] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6221] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6216] <... futex resumed>) = 0 [pid 6216] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6221] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6216] <... futex resumed>) = 1 [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6222 attached [pid 6216] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6221] <... futex resumed>) = 0 [pid 6218] <... clone3 resumed> => {parent_tid=[6222]}, 88) = 6222 [pid 6216] <... futex resumed>) = 1 [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... rseq resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6221] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6222] set_robust_list(0x7f44f9fde9a0, 24 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... set_robust_list resumed>) = 0 [pid 6218] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6222] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 1 [pid 6222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6221] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6222] <... openat resumed>) = 3 [pid 6222] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6222] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6218] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6222] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6218] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... io_uring_enter resumed>) = 4096 [pid 6222] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6215] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6213] exit_group(0 [pid 6218] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 230 [pid 6213] <... exit_group resumed>) = ? [pid 6218] <... futex resumed>) = 0 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6215] +++ exited with 0 +++ [pid 6213] +++ exited with 0 +++ [pid 6218] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6218] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6213, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6218] <... mprotect resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5863] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6222] <... mmap resumed>) = 0x7f44f9f78000 [pid 6222] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6218] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 5863] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6223 attached [pid 6222] <... mmap resumed>) = 0x7f44f9f38000 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6222] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", [pid 6218] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6222] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6218] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./32/binderfs") = 0 [pid 6223] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 5863] getdents64(3, [pid 6223] <... rseq resumed>) = 0 [pid 6219] <... io_uring_enter resumed>) = 4096 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 6223] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 5863] <... close resumed>) = 0 [pid 5863] rmdir("./32" [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... rmdir resumed>) = 0 [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6214] exit_group(0 [pid 5863] mkdir("./33", 0777 [pid 6223] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = ? [pid 6218] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] <... exit_group resumed>) = ? [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] +++ exited with 0 +++ [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] +++ exited with 0 +++ [pid 5863] <... mkdir resumed>) = 0 [pid 6223] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] <... futex resumed>) = 0 [pid 6218] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6222] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6218] <... futex resumed>) = 0 [pid 6218] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6224 attached [pid 5865] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... set_robust_list resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6224 [pid 5865] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6224] chdir("./33" [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6224] <... chdir resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] getdents64(3, [pid 6218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6224] <... prctl resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6224] setpgid(0, 0) = 0 [pid 5865] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] <... openat resumed>) = 3 [pid 5865] unlink("./31/binderfs" [pid 6224] write(3, "1000", 4 [pid 5865] <... unlink resumed>) = 0 [pid 6224] <... write resumed>) = 4 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./31" [pid 6224] close(3 [pid 5865] <... rmdir resumed>) = 0 [pid 6224] <... close resumed>) = 0 executing program [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 5865] mkdir("./32", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6225 attached [pid 6224] write(1, "executing program\n", 18 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6225 [pid 6224] <... write resumed>) = 18 [pid 6224] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 6225] set_robust_list(0x55558acd66a0, 24 [pid 6220] <... io_uring_enter resumed>) = 4096 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6225] chdir("./32") = 0 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6225] setpgid(0, 0) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6225] write(3, "1000", 4) = 4 [pid 6225] close(3) = 0 [pid 6225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6225] write(1, "executing program\n", 18) = 18 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6225] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6226 attached [pid 6226] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6225] <... clone3 resumed> => {parent_tid=[6226]}, 88) = 6226 [pid 6226] <... rseq resumed>) = 0 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6226] set_robust_list(0x7f44f9fde9a0, 24 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] <... futex resumed>) = 0 [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6226] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6226] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 6226] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6226] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6226] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6221] <... io_uring_enter resumed>) = 4096 [pid 6224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6221] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6221] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] <... mmap resumed>) = 0x7f44f9f99000 [pid 6226] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6216] exit_group(0 [pid 6226] <... mmap resumed>) = 0x7f44f9f59000 [pid 6221] <... futex resumed>) = ? [pid 6216] <... exit_group resumed>) = ? [pid 6226] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] +++ exited with 0 +++ [pid 6216] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6216, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6226] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(AT_FDCWD, "./33/binderfs", [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./33/binderfs" [pid 6225] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./33" [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6220] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6217] exit_group(0 [pid 5867] mkdir("./34", 0777 [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6224] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6217] <... exit_group resumed>) = ? [pid 5867] <... mkdir resumed>) = 0 [pid 6226] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=34000000} [pid 6224] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6220] +++ exited with 0 +++ [pid 6217] +++ exited with 0 +++ [pid 6226] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6217, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6226] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6225] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... mprotect resumed>) = 0 [pid 5864] <... restart_syscall resumed>) = 0 executing program executing program ./strace-static-x86_64: Process 6227 attached [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6227 [pid 5864] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 6227] set_robust_list(0x55558acd66a0, 24 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6227] <... set_robust_list resumed>) = 0 [pid 5864] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] chdir("./34" [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... chdir resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./33/binderfs", [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6227] <... prctl resumed>) = 0 [pid 5864] unlink("./33/binderfs" [pid 6227] setpgid(0, 0 [pid 5864] <... unlink resumed>) = 0 [pid 6227] <... setpgid resumed>) = 0 [pid 5864] getdents64(3, [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6227] <... openat resumed>) = 3 [pid 5864] close(3 [pid 6227] write(3, "1000", 4 [pid 5864] <... close resumed>) = 0 [pid 6227] <... write resumed>) = 4 [pid 5864] rmdir("./33") = 0 [pid 5864] mkdir("./34", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6228 attached [pid 6224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6228] set_robust_list(0x55558acd66a0, 24 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6228 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6228] chdir("./34" [pid 6227] close(3 [pid 6228] <... chdir resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] symlink("/dev/binderfs", "./binderfs" [pid 6228] <... prctl resumed>) = 0 [pid 6227] <... symlink resumed>) = 0 [pid 6228] setpgid(0, 0 [pid 6227] write(1, "executing program\n", 18 [pid 6228] <... setpgid resumed>) = 0 [pid 6227] <... write resumed>) = 18 [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... openat resumed>) = 3 [pid 6227] <... futex resumed>) = 0 [pid 6228] write(3, "1000", 4 [pid 6227] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6228] <... write resumed>) = 4 [pid 6227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6228] close(3 [pid 6227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6228] <... close resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] symlink("/dev/binderfs", "./binderfs" [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6228] <... symlink resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6228] write(1, "executing program\n", 18 [pid 6227] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6228] <... write resumed>) = 18 [pid 6227] <... mprotect resumed>) = 0 [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6228] <... futex resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6228] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6227] <... clone3 resumed> => {parent_tid=[6229]}, 88) = 6229 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6227] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6227] <... futex resumed>) = 0 [pid 6228] <... mprotect resumed>) = 0 [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6230 attached ./strace-static-x86_64: Process 6229 attached [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6231 attached => {parent_tid=[6231]}, 88) = 6231 [pid 6228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6228] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6231] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6231] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6231] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6228] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6230] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6229] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6224] <... clone3 resumed> => {parent_tid=[6230]}, 88) = 6230 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] <... rseq resumed>) = 0 [pid 6229] <... rseq resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] set_robust_list(0x7f44f9fde9a0, 24 [pid 6229] set_robust_list(0x7f44f9fde9a0, 24 [pid 6224] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6231] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6230] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6229] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6231] <... mmap resumed>) = 0x7f44f9f99000 [pid 6230] <... openat resumed>) = 3 [pid 6229] <... openat resumed>) = 3 [pid 6231] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6229] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... mmap resumed>) = 0x7f44f9f59000 [pid 6230] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 1 [pid 6229] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 6230] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6224] <... futex resumed>) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6224] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6231] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6231] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6231] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6231] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] <... futex resumed>) = 0 [pid 6229] <... mmap resumed>) = 0x7f44f9f99000 [pid 6231] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6228] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6231] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6228] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6230] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6229] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6227] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... mmap resumed>) = 0x7f44f9f99000 [pid 6229] <... mmap resumed>) = 0x7f44f9f59000 [pid 6227] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6222] <... io_uring_enter resumed>) = 4096 [pid 6230] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6229] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6224] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... mmap resumed>) = 0x7f44f9f38000 [pid 6224] <... futex resumed>) = 0 [pid 6227] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6230] <... mmap resumed>) = 0x7f44f9f59000 [pid 6229] <... futex resumed>) = 0 [pid 6227] <... mprotect resumed>) = 0 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6229] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6224] <... mmap resumed>) = 0x7f44f9f38000 [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6224] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6232 attached [pid 6230] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... mprotect resumed>) = 0 [pid 6222] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6227] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6227] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6232] <... rseq resumed>) = 0 [pid 6232] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6232] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6222] <... futex resumed>) = 0 [pid 6230] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6222] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] exit_group(0 [pid 6229] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 6223] <... futex resumed>) = ? [pid 6222] <... futex resumed>) = ? [pid 6218] <... exit_group resumed>) = ? [pid 6229] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6227] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] +++ exited with 0 +++ [pid 6227] <... futex resumed>) = 0 [pid 6222] +++ exited with 0 +++ [pid 6218] +++ exited with 0 +++ [pid 6227] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./31/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./31") = 0 [pid 5866] mkdir("./32", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6233 ./strace-static-x86_64: Process 6233 attached ./strace-static-x86_64: Process 6234 attached [pid 6233] set_robust_list(0x55558acd66a0, 24 [pid 6224] <... clone3 resumed> => {parent_tid=[6234]}, 88) = 6234 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] <... set_robust_list resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6233] chdir("./32" [pid 6234] <... rseq resumed>) = 0 [pid 6227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6234] set_robust_list(0x7f44f9f589a0, 24 [pid 6233] <... chdir resumed>) = 0 [pid 6234] <... set_robust_list resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] <... prctl resumed>) = 0 [pid 6234] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] setpgid(0, 0 [pid 6234] <... futex resumed>) = 1 [pid 6233] <... setpgid resumed>) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6234] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6233] <... openat resumed>) = 3 [pid 6230] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] write(3, "1000", 4 [pid 6230] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] <... write resumed>) = 4 [pid 6230] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6224] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] close(3 [pid 6224] <... futex resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 6233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6224] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] write(1, "executing program\n", 18executing program ) = 18 [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6233] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6233] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6235 attached [pid 6235] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6233] <... clone3 resumed> => {parent_tid=[6235]}, 88) = 6235 [pid 6235] <... rseq resumed>) = 0 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] set_robust_list(0x7f44f9fde9a0, 24 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6233] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] <... futex resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6235] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6235] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6233] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6233] <... futex resumed>) = 0 [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6235] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6235] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6233] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6235] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6235] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... io_uring_enter resumed>) = 4096 [pid 6235] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6235] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6233] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] exit_group(0 [pid 6226] <... futex resumed>) = ? [pid 6225] <... exit_group resumed>) = ? [pid 6233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./32/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./32") = 0 [pid 5865] mkdir("./33", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6236 attached [pid 6229] <... io_uring_enter resumed>) = 4096 [pid 6236] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6236 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6236] chdir("./33") = 0 [pid 6231] <... io_uring_enter resumed>) = 4096 [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6229] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... prctl resumed>) = 0 [pid 6227] exit_group(0 [pid 6229] <... futex resumed>) = ? [pid 6227] <... exit_group resumed>) = ? [pid 6236] setpgid(0, 0 [pid 6229] +++ exited with 0 +++ [pid 6236] <... setpgid resumed>) = 0 [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6236] write(3, "1000", 4) = 4 [pid 6236] close(3) = 0 [pid 6236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6236] write(1, "executing program\n", 18) = 18 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6236] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6232] <... futex resumed>) = ? [pid 6236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6232] +++ exited with 0 +++ [pid 6227] +++ exited with 0 +++ [pid 6236] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6236] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6227, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6236] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6237 attached => {parent_tid=[6237]}, 88) = 6237 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6237] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6236] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... rseq resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6237] set_robust_list(0x7f44f9fde9a0, 24 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... set_robust_list resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6237] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6237] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6237] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6236] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6236] <... futex resumed>) = 0 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6237] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6237] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./34/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./34") = 0 [pid 5867] mkdir("./35", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6238 ./strace-static-x86_64: Process 6238 attached [pid 6231] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] set_robust_list(0x55558acd66a0, 24 [pid 6237] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6228] exit_group(0 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... exit_group resumed>) = ? [pid 6238] chdir("./35" [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... futex resumed>) = 0 [pid 6238] <... chdir resumed>) = 0 [pid 6237] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... prctl resumed>) = 0 [pid 6237] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] setpgid(0, 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... futex resumed>) = 0 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6236] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6236] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6228, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./34/binderfs" [pid 6230] <... io_uring_enter resumed>) = 4096 [pid 5864] <... unlink resumed>) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./34") = 0 [pid 5864] mkdir("./35", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6239 ./strace-static-x86_64: Process 6239 attached [pid 6239] set_robust_list(0x55558acd66a0, 24 [pid 6237] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... setpgid resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6239] chdir("./35" [pid 6238] write(3, "1000", 4 [pid 6239] <... chdir resumed>) = 0 [pid 6238] <... write resumed>) = 4 [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] close(3 [pid 6239] <... prctl resumed>) = 0 [pid 6238] <... close resumed>) = 0 [pid 6239] setpgid(0, 0 [pid 6238] symlink("/dev/binderfs", "./binderfs"executing program [pid 6239] <... setpgid resumed>) = 0 [pid 6238] <... symlink resumed>) = 0 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] write(1, "executing program\n", 18) = 18 [pid 6238] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6238] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6239] <... openat resumed>) = 3 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6238] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6240]}, 88) = 6240 [pid 6238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6238] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] write(3, "1000", 4 [pid 6238] <... futex resumed>) = 0 [pid 6239] <... write resumed>) = 4 [pid 6238] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] close(3) = 0 executing program [pid 6239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6239] write(1, "executing program\n", 18) = 18 [pid 6239] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6239] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6239] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6241 attached ./strace-static-x86_64: Process 6240 attached [pid 6236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6230] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] exit_group(0 [pid 6234] <... futex resumed>) = ? [pid 6224] <... exit_group resumed>) = ? [pid 6234] +++ exited with 0 +++ [pid 6230] <... futex resumed>) = ? [pid 6240] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6239] <... clone3 resumed> => {parent_tid=[6241]}, 88) = 6241 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6240] <... rseq resumed>) = 0 [pid 6239] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6241] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6240] set_robust_list(0x7f44f9fde9a0, 24 [pid 6239] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... rseq resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6230] +++ exited with 0 +++ [pid 6224] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6224, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6238] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 5863] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6241] set_robust_list(0x7f44f9fde9a0, 24 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6238] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5863] getdents64(3, [pid 6238] <... mprotect resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6240] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5863] newfstatat(AT_FDCWD, "./33/binderfs", ./strace-static-x86_64: Process 6242 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6238] <... clone3 resumed> => {parent_tid=[6242]}, 88) = 6242 [pid 5863] unlink("./33/binderfs" [pid 6238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6238] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] getdents64(3, [pid 6238] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./33") = 0 [pid 6242] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] <... openat resumed>) = 3 [pid 5863] mkdir("./34", 0777 [pid 6242] <... rseq resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6242] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6243 attached [pid 6242] <... set_robust_list resumed>) = 0 [pid 6243] set_robust_list(0x55558acd66a0, 24 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6243 [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6243] chdir("./34" [pid 6242] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6243] <... chdir resumed>) = 0 [pid 6242] <... mmap resumed>) = 0x7f44f9f78000 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6240] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... prctl resumed>) = 0 [pid 6242] <... mmap resumed>) = 0x7f44f9f38000 [pid 6243] setpgid(0, 0) = 0 [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6243] write(3, "1000", 4) = 4 [pid 6243] close(3) = 0 [pid 6243] symlink("/dev/binderfs", "./binderfs" [pid 6242] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6238] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6238] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... symlink resumed>) = 0 [pid 6242] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6243] write(1, "executing program\n", 18) = 18 [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6243] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6243] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6241] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6240] <... futex resumed>) = 1 [pid 6239] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6240] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 0 [pid 6241] <... openat resumed>) = 3 [pid 6238] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6238] <... futex resumed>) = 0 [pid 6239] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6243] <... mprotect resumed>) = 0 [pid 6239] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... mprotect resumed>) = 0 [pid 6238] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6241] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] <... futex resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6240] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6245]}, 88) = 6245 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6244 attached [pid 6243] <... clone3 resumed> => {parent_tid=[6244]}, 88) = 6244 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6245 attached [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = 1 [pid 6235] <... io_uring_enter resumed>) = 4096 [pid 6245] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6243] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6239] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6243] <... futex resumed>) = 0 [pid 6244] <... rseq resumed>) = 0 [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6244] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6244] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6243] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6244] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6244] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6245] <... rseq resumed>) = 0 [pid 6238] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6244] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6244] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] exit_group(0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... futex resumed>) = ? [pid 6233] <... exit_group resumed>) = ? [pid 6245] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6244] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] +++ exited with 0 +++ [pid 6233] +++ exited with 0 +++ [pid 6245] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6245] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6245] <... mmap resumed>) = 0x7f44f9f78000 [pid 6244] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6245] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6243] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6244] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6243] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... restart_syscall resumed>) = 0 [pid 6245] <... mmap resumed>) = 0x7f44f9f38000 [pid 6239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6245] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6239] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6245] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6245] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6239] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6241] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] getdents64(3, [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 5866] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./32/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./32") = 0 [pid 5866] mkdir("./33", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6241] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6239] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6246 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6246 [pid 6246] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6241] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6246] chdir("./33") = 0 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6246] setpgid(0, 0) = 0 [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6246] write(3, "1000", 4) = 4 [pid 6246] close(3) = 0 [pid 6246] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6246] write(1, "executing program\n", 18) = 18 [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6246] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6246] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6247 attached => {parent_tid=[6247]}, 88) = 6247 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6246] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6246] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6247] <... rseq resumed>) = 0 [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6247] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6247] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6247] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6246] <... futex resumed>) = 0 [pid 6247] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6247] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6247] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6247] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6247] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6247] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6246] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6246] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... io_uring_enter resumed>) = 4096 [pid 6237] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6237] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] exit_group(0 [pid 6237] <... futex resumed>) = ? [pid 6236] <... exit_group resumed>) = ? [pid 6237] +++ exited with 0 +++ [pid 6236] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6236, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./33/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./33") = 0 [pid 5865] mkdir("./34", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6248 ./strace-static-x86_64: Process 6248 attached [pid 6248] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6248] chdir("./34") = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6248] setpgid(0, 0) = 0 [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6248] write(3, "1000", 4) = 4 [pid 6248] close(3) = 0 [pid 6248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6248] write(1, "executing program\n", 18) = 18 [pid 6248] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] <... io_uring_enter resumed>) = 4096 [pid 6248] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6248] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6240] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... clone3 resumed> => {parent_tid=[6249]}, 88) = 6249 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] <... futex resumed>) = 0 [pid 6238] exit_group(0 [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6249 attached [pid 6240] +++ exited with 0 +++ [pid 6249] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6242] <... futex resumed>) = ? [pid 6249] <... rseq resumed>) = 0 [pid 6249] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6249] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6242] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6249] <... openat resumed>) = 3 [pid 6248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... restart_syscall resumed>) = 0 [pid 6248] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... io_uring_enter resumed>) = 4096 [pid 6248] <... futex resumed>) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... mmap resumed>) = 0x7f44f9f9d000 [pid 5867] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6248] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6249] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... mprotect resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6241] <... io_uring_enter resumed>) = 4096 [pid 5867] newfstatat(3, "", [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, ./strace-static-x86_64: Process 6250 attached [pid 6244] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6243] exit_group(0) = ? [pid 6244] <... futex resumed>) = ? [pid 6250] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6248] <... clone3 resumed> => {parent_tid=[6250]}, 88) = 6250 [pid 6244] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 5867] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] <... rseq resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6250] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5867] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6250] <... set_robust_list resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] unlink("./35/binderfs" [pid 5863] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6241] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... io_uring_enter resumed>) = 4096 [pid 6241] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... unlink resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6250] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6248] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5863] newfstatat(3, "", [pid 6250] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6248] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6250] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] close(3 [pid 5863] getdents64(3, [pid 5867] <... close resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] rmdir("./35" [pid 5863] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./36", 0777 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... mmap resumed>) = 0x7f44f9f78000 [pid 5867] <... mkdir resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./34/binderfs", [pid 6250] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6239] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] <... mmap resumed>) = 0x7f44f9f38000 [pid 6245] <... futex resumed>) = ? [pid 6241] <... futex resumed>) = ? [pid 6239] <... exit_group resumed>) = ? [pid 5863] unlink("./34/binderfs" [pid 6250] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6251 [pid 5863] <... unlink resumed>) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6250] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6248] <... futex resumed>) = 1 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6251 attached [pid 6249] <... futex resumed>) = 0 [pid 6248] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 5863] close(3 [pid 6251] set_robust_list(0x55558acd66a0, 24 [pid 6249] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... set_robust_list resumed>) = 0 [pid 6248] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6251] chdir("./36" [pid 6248] <... futex resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] rmdir("./34" [pid 6251] <... chdir resumed>) = 0 [pid 6248] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... rmdir resumed>) = 0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] mkdir("./35", 0777 [pid 6251] setpgid(0, 0) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... restart_syscall resumed>) = 0 [pid 6251] <... openat resumed>) = 3 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6251] write(3, "1000", 4 [pid 6249] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6252 attached [pid 6251] <... write resumed>) = 4 [pid 6249] <... futex resumed>) = 0 [pid 6248] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] close(3 [pid 6249] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6248] <... futex resumed>) = 0 [pid 6251] <... close resumed>) = 0 [pid 5864] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6252 [pid 6251] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6251] <... symlink resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6251] write(1, "executing program\n", 18 [pid 5864] <... openat resumed>) = 3 [pid 6251] <... write resumed>) = 18 [pid 5864] newfstatat(3, "", [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6251] <... futex resumed>) = 0 [pid 5864] getdents64(3, [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6252] set_robust_list(0x55558acd66a0, 24 [pid 6251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6248] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6247] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6252] chdir("./35" [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] <... futex resumed>) = 0 [pid 6246] exit_group(0 [pid 5864] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6252] <... chdir resumed>) = 0 [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6246] <... exit_group resumed>) = ? [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6251] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6247] +++ exited with 0 +++ [pid 6246] +++ exited with 0 +++ [pid 6251] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5864] unlink("./35/binderfs" [pid 6251] <... mprotect resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6246, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... unlink resumed>) = 0 [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] getdents64(3, [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6251] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 5864] close(3./strace-static-x86_64: Process 6253 attached [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6253] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6252] <... prctl resumed>) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5864] <... close resumed>) = 0 [pid 6251] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(3, "", [pid 5864] rmdir("./35" [pid 6251] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] getdents64(3, [pid 5864] mkdir("./36", 0777 [pid 6253] <... rseq resumed>) = 0 [pid 6252] setpgid(0, 0 [pid 6248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] <... mkdir resumed>) = 0 [pid 6252] <... setpgid resumed>) = 0 [pid 6253] set_robust_list(0x7f44f9fde9a0, 24 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6253] <... set_robust_list resumed>) = 0 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6254 [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6254 attached [pid 6253] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... openat resumed>) = 3 [pid 5866] newfstatat(AT_FDCWD, "./33/binderfs", [pid 6253] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6251] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./33/binderfs" [pid 6253] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6251] <... futex resumed>) = 0 [pid 6253] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6254] set_robust_list(0x55558acd66a0, 24 [pid 6253] <... mmap resumed>) = 0x7f44f9f99000 [pid 6252] write(3, "1000", 4 [pid 5866] <... unlink resumed>) = 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6252] <... write resumed>) = 4 [pid 5866] getdents64(3, [pid 6254] chdir("./36" [pid 6253] <... mmap resumed>) = 0x7f44f9f59000 [pid 6252] close(3 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6254] <... chdir resumed>) = 0 [pid 6253] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = 0 [pid 5866] close(3 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6253] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6252] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... close resumed>) = 0 [pid 6254] <... prctl resumed>) = 0 [pid 6253] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./33" [pid 6254] setpgid(0, 0 [pid 6253] <... futex resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6254] <... setpgid resumed>) = 0 [pid 6253] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6252] write(1, "executing program\n", 18 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... rmdir resumed>) = 0 [pid 6252] <... write resumed>) = 18 [pid 5866] mkdir("./34", 0777 [pid 6254] <... openat resumed>) = 3 [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] write(3, "1000", 4 [pid 6253] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 1 [pid 6254] <... write resumed>) = 4 [pid 6253] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... mkdir resumed>) = 0 [pid 6254] close(3 [pid 6253] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] <... close resumed>) = 0 [pid 6253] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6252] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6251] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6255 attached [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6255] set_robust_list(0x55558acd66a0, 24 [pid 6254] <... symlink resumed>) = 0 [pid 6252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6251] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6255 executing program [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] write(1, "executing program\n", 18 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] chdir("./34" [pid 6254] <... write resumed>) = 18 [pid 6252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6252] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6255] <... chdir resumed>) = 0 [pid 6254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6254] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6256]}, 88) = 6256 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6254] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6256 attached [pid 6256] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6256] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6256] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6252] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6255] <... prctl resumed>) = 0 [pid 6256] <... openat resumed>) = 3 [pid 6255] setpgid(0, 0 [pid 6254] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... mprotect resumed>) = 0 [pid 6255] <... setpgid resumed>) = 0 [pid 6256] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6256] <... futex resumed>) = 0 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6256] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6254] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6257]}, 88) = 6257 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6254] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6257 attached [pid 6257] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6257] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6257] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6257] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6257] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6257] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 1 [pid 6256] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = 0 [pid 6256] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6254] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... openat resumed>) = 3 [pid 6254] <... futex resumed>) = 0 [pid 6252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6255] write(3, "1000", 4 [pid 6252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6255] <... write resumed>) = 4 [pid 6252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6254] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6258 attached [pid 6257] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] close(3 [pid 6252] <... clone3 resumed> => {parent_tid=[6258]}, 88) = 6258 [pid 6258] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6255] <... close resumed>) = 0 [pid 6255] symlink("/dev/binderfs", "./binderfs" [pid 6258] <... rseq resumed>) = 0 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6258] set_robust_list(0x7f44f9fde9a0, 24 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6258] <... set_robust_list resumed>) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6252] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] <... futex resumed>) = 0 [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] write(1, "executing program\n", 18 [pid 6258] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6255] <... write resumed>) = 18 [pid 6258] <... openat resumed>) = 3 [pid 6258] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6258] <... futex resumed>) = 1 [pid 6255] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6252] <... futex resumed>) = 0 [pid 6258] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6252] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6252] <... futex resumed>) = 0 [pid 6258] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6258] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6258] <... mmap resumed>) = 0x7f44f9f99000 [pid 6255] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6258] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6255] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6258] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6252] <... futex resumed>) = 0 [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6258] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6252] <... futex resumed>) = 0 [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6259 attached [pid 6252] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... io_uring_enter resumed>) = 4096 [pid 6259] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6259] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6259] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6249] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... clone3 resumed> => {parent_tid=[6259]}, 88) = 6259 [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] exit_group(0 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6258] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = ? [pid 6248] <... exit_group resumed>) = ? [pid 6255] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] +++ exited with 0 +++ [pid 6249] <... futex resumed>) = ? [pid 6255] <... futex resumed>) = 1 [pid 6252] <... futex resumed>) = 0 [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 0 [pid 6252] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6259] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6255] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6259] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5865] getdents64(3, [pid 6259] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6259] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6259] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6259] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./34/binderfs", [pid 6259] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6259] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] unlink("./34/binderfs" [pid 6259] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6259] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(3, [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6255] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] close(3 [pid 6259] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6259] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] rmdir("./34" [pid 6255] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 5865] <... rmdir resumed>) = 0 [pid 6259] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6255] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] mkdir("./35", 0777 [pid 6252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6260 ./strace-static-x86_64: Process 6260 attached [pid 6260] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6260] chdir("./35") = 0 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6260] setpgid(0, 0) = 0 [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6253] <... io_uring_enter resumed>) = 4096 [pid 6260] <... openat resumed>) = 3 [pid 6260] write(3, "1000", 4) = 4 [pid 6260] close(3) = 0 [pid 6260] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6260] write(1, "executing program\n", 18) = 18 [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6260] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6260] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6261]}, 88) = 6261 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6260] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6261 attached [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6253] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... rseq resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 6251] exit_group(0 [pid 6261] set_robust_list(0x7f44f9fde9a0, 24 [pid 6251] <... exit_group resumed>) = ? [pid 6261] <... set_robust_list resumed>) = 0 [pid 6253] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 6261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6261] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6261] <... openat resumed>) = 3 [pid 6261] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6260] <... futex resumed>) = 0 [pid 5867] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6260] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... futex resumed>) = 0 [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6261] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6261] <... mmap resumed>) = 0x7f44f9f99000 [pid 6261] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] <... openat resumed>) = 3 [pid 6261] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] newfstatat(3, "", [pid 6261] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6260] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6260] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 6261] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6260] <... futex resumed>) = 0 [pid 6261] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(AT_FDCWD, "./36/binderfs", [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6260] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] unlink("./36/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./36" [pid 6256] <... io_uring_enter resumed>) = 4096 [pid 6260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6258] <... io_uring_enter resumed>) = 4096 [pid 5867] <... rmdir resumed>) = 0 [pid 6256] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] exit_group(0 [pid 6257] <... futex resumed>) = ? [pid 6256] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? [pid 6257] +++ exited with 0 +++ [pid 6256] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 5867] mkdir("./37", 0777 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5864] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./36/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./36") = 0 [pid 5864] mkdir("./37", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6262 ./strace-static-x86_64: Process 6262 attached [pid 6262] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6262] chdir("./37" [pid 5867] <... mkdir resumed>) = 0 [pid 6262] <... chdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6263 [pid 6262] setpgid(0, 0) = 0 [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6262] write(3, "1000", 4) = 4 executing program ./strace-static-x86_64: Process 6263 attached [pid 6262] close(3) = 0 [pid 6262] symlink("/dev/binderfs", "./binderfs" [pid 6263] set_robust_list(0x55558acd66a0, 24 [pid 6262] <... symlink resumed>) = 0 [pid 6258] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] write(1, "executing program\n", 18) = 18 [pid 6258] <... futex resumed>) = 0 [pid 6262] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] exit_group(0 [pid 6262] <... futex resumed>) = 0 [pid 6252] <... exit_group resumed>) = ? [pid 6262] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6262] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] <... mprotect resumed>) = 0 executing program [pid 6263] chdir("./37" [pid 6262] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6263] <... chdir resumed>) = 0 [pid 6262] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6264 attached [pid 6263] <... prctl resumed>) = 0 [pid 6263] setpgid(0, 0 [pid 6262] <... clone3 resumed> => {parent_tid=[6264]}, 88) = 6264 [pid 6263] <... setpgid resumed>) = 0 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] <... openat resumed>) = 3 [pid 6262] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] write(3, "1000", 4 [pid 6262] <... futex resumed>) = 0 [pid 6263] <... write resumed>) = 4 [pid 6262] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] close(3) = 0 [pid 6263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6263] write(1, "executing program\n", 18) = 18 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6263] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6264] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6258] +++ exited with 0 +++ [pid 6252] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6252, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./35/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] rmdir("./35" [pid 6264] <... rseq resumed>) = 0 [pid 6264] set_robust_list(0x7f44f9fde9a0, 24 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./36", 0777) = 0 [pid 6262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6265 attached [pid 6264] <... set_robust_list resumed>) = 0 [pid 6262] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6265 [pid 6262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6262] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6262] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6265] set_robust_list(0x55558acd66a0, 24 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6262] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6266]}, 88) = 6266 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6262] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6262] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6267 attached [pid 6267] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6263] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 [pid 6267] <... rseq resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6267] set_robust_list(0x7f44f9fde9a0, 24 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6263] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... futex resumed>) = 0 [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6267] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6267] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6263] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6266 attached [pid 6267] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] chdir("./36" [pid 6264] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6266] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6264] <... openat resumed>) = 3 [pid 6266] <... rseq resumed>) = 0 [pid 6265] <... chdir resumed>) = 0 [pid 6264] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6264] <... futex resumed>) = 0 [pid 6267] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... prctl resumed>) = 0 [pid 6264] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6267] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] setpgid(0, 0 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] <... setpgid resumed>) = 0 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6267] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6266] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6263] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6265] <... openat resumed>) = 3 [pid 6263] <... futex resumed>) = 0 [pid 6263] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] write(3, "1000", 4 [pid 6266] <... mmap resumed>) = 0x7f44f9f78000 [pid 6265] <... write resumed>) = 4 [pid 6262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6262] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6262] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] close(3 [pid 6262] <... futex resumed>) = 1 [pid 6266] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6264] <... futex resumed>) = 0 [pid 6262] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... io_uring_enter resumed>) = 4096 [pid 6259] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] exit_group(0 [pid 6259] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 6265] <... close resumed>) = 0 [pid 6264] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 6259] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 6265] <... symlink resumed>) = 0 [pid 6266] <... mmap resumed>) = ? executing program [pid 6265] write(1, "executing program\n", 18 [pid 6262] <... futex resumed>) = ? [pid 6265] <... write resumed>) = 18 [pid 6264] +++ killed by SIGSEGV +++ [pid 6266] +++ killed by SIGSEGV +++ [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] +++ killed by SIGSEGV +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6265] <... futex resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6262, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] newfstatat(3, "", [pid 5864] <... restart_syscall resumed>) = 0 [pid 6265] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6265] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] getdents64(3, [pid 6265] <... mprotect resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6265] <... clone3 resumed> => {parent_tid=[6268]}, 88) = 6268 [pid 5866] unlink("./34/binderfs" [pid 5864] getdents64(3, ./strace-static-x86_64: Process 6268 attached [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... unlink resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6268] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] <... io_uring_enter resumed>) = 4096 [pid 5866] getdents64(3, [pid 5864] unlink("./37/binderfs" [pid 6265] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... rseq resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6268] set_robust_list(0x7f44f9fde9a0, 24 [pid 5864] getdents64(3, [pid 6268] <... set_robust_list resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] close(3 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... close resumed>) = 0 [pid 6268] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5864] rmdir("./37" [pid 6268] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6268] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] mkdir("./38", 0777) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6268] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] close(3./strace-static-x86_64: Process 6269 attached [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6269 [pid 5866] <... close resumed>) = 0 [pid 6269] set_robust_list(0x55558acd66a0, 24 [pid 6265] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 5866] rmdir("./34" [pid 6268] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] chdir("./38" [pid 6268] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6268] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6268] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6269] <... chdir resumed>) = 0 [pid 6268] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... rmdir resumed>) = 0 [pid 6268] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 5866] mkdir("./35", 0777 [pid 6269] <... prctl resumed>) = 0 [pid 6268] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] setpgid(0, 0 [pid 6268] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6269] <... setpgid resumed>) = 0 [pid 6268] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] exit_group(0 [pid 6269] <... openat resumed>) = 3 [pid 6265] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = ? [pid 6260] <... exit_group resumed>) = ? [pid 6269] write(3, "1000", 4 [pid 6268] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 6261] +++ exited with 0 +++ [pid 6260] +++ exited with 0 +++ [pid 6269] <... write resumed>) = 4 [pid 6268] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6270 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6268] <... futex resumed>) = 0 [pid 6268] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 6269] close(3 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6269] <... close resumed>) = 0 [pid 6265] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] symlink("/dev/binderfs", "./binderfs" [pid 6268] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6265] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./35/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./35"./strace-static-x86_64: Process 6270 attached [pid 6269] <... symlink resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./36", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6271 [pid 6270] chdir("./35") = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ./strace-static-x86_64: Process 6271 attached ) = 0 [pid 6269] write(1, "executing program\n", 18 [pid 6271] set_robust_list(0x55558acd66a0, 24 [pid 6270] setpgid(0, 0 [pid 6269] <... write resumed>) = 18 executing program [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] <... setpgid resumed>) = 0 [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] chdir("./36" [pid 6269] <... futex resumed>) = 0 [pid 6271] <... chdir resumed>) = 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6270] <... openat resumed>) = 3 [pid 6270] write(3, "1000", 4) = 4 [pid 6270] close(3) = 0 [pid 6270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6270] write(1, "executing program\n", 18) = 18 [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6270] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6271] <... prctl resumed>) = 0 [pid 6269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6271] setpgid(0, 0 [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6271] <... setpgid resumed>) = 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 [pid 6269] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... openat resumed>) = 3 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6272 attached [pid 6271] write(3, "1000", 4 [pid 6269] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6270] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6269] <... mprotect resumed>) = 0 [pid 6271] <... write resumed>) = 4 [pid 6271] close(3 [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... close resumed>) = 0 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6271] symlink("/dev/binderfs", "./binderfs" [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6272] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6271] <... symlink resumed>) = 0 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6273 attached [pid 6272] <... rseq resumed>) = 0 [pid 6271] write(1, "executing program\n", 18executing program [pid 6272] set_robust_list(0x7f44f9fde9a0, 24 [pid 6269] <... clone3 resumed> => {parent_tid=[6273]}, 88) = 6273 [pid 6271] <... write resumed>) = 18 [pid 6273] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 6273] <... rseq resumed>) = 0 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] set_robust_list(0x7f44f9fde9a0, 24 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6269] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6270] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6270] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6269] <... futex resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6270] <... mprotect resumed>) = 0 [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] <... openat resumed>) = 3 [pid 6271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6273] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6272] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6274 attached [pid 6273] <... openat resumed>) = 3 [pid 6272] <... futex resumed>) = 0 [pid 6271] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6274] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6273] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... clone3 resumed> => {parent_tid=[6274]}, 88) = 6274 [pid 6274] <... rseq resumed>) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6271] <... mprotect resumed>) = 0 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6269] <... futex resumed>) = 0 [pid 6274] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6273] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6273] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6270] <... futex resumed>) = 0 [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] <... futex resumed>) = 0 [pid 6274] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643./strace-static-x86_64: Process 6275 attached , sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6273] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6274] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6273] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6271] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 6275] <... rseq resumed>) = 0 [pid 6274] <... mmap resumed>) = 0x7f44f9f78000 [pid 6273] <... mmap resumed>) = 0x7f44f9f99000 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6274] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6273] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... mmap resumed>) = 0x7f44f9f38000 [pid 6273] <... mmap resumed>) = 0x7f44f9f59000 [pid 6271] <... futex resumed>) = 0 [pid 6275] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6274] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] <... openat resumed>) = 3 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6275] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 1 [pid 6275] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] <... futex resumed>) = 0 [pid 6267] <... io_uring_enter resumed>) = 4096 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6272] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 1 [pid 6273] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6270] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6273] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6269] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6267] <... futex resumed>) = 0 [pid 6267] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] exit_group(0 [pid 6275] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6263] <... exit_group resumed>) = ? [pid 6267] <... futex resumed>) = ? [pid 6267] +++ exited with 0 +++ [pid 6263] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6263, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6275] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6275] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6275] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6275] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] <... futex resumed>) = 0 [pid 6271] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 5867] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6275] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6271] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6275] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 [pid 6275] <... futex resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 6275] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./37/binderfs" [pid 6275] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... unlink resumed>) = 0 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./37" [pid 6271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 5867] <... rmdir resumed>) = 0 [pid 6275] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6271] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] mkdir("./38", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6276 ./strace-static-x86_64: Process 6276 attached [pid 6276] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6276] chdir("./38") = 0 [pid 6268] <... io_uring_enter resumed>) = 4096 [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6276] setpgid(0, 0) = 0 [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6276] <... openat resumed>) = 3 [pid 6276] write(3, "1000", 4) = 4 [pid 6276] close(3) = 0 [pid 6276] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6268] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] write(1, "executing program\n", 18 [pid 6268] <... futex resumed>) = 0 [pid 6276] <... write resumed>) = 18 [pid 6268] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] exit_group(0 [pid 6268] <... futex resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6276] <... futex resumed>) = 0 [pid 6276] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6268] +++ exited with 0 +++ [pid 6265] +++ exited with 0 +++ [pid 6276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6276] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6276] <... mprotect resumed>) = 0 [pid 5863] getdents64(3, [pid 6276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./36/binderfs" [pid 6276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] <... unlink resumed>) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3./strace-static-x86_64: Process 6277 attached ) = 0 [pid 5863] rmdir("./36" [pid 6277] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6276] <... clone3 resumed> => {parent_tid=[6277]}, 88) = 6277 [pid 5863] <... rmdir resumed>) = 0 [pid 6277] <... rseq resumed>) = 0 [pid 5863] mkdir("./37", 0777 [pid 6277] set_robust_list(0x7f44f9fde9a0, 24 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... mkdir resumed>) = 0 [pid 6277] <... set_robust_list resumed>) = 0 [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6278 ./strace-static-x86_64: Process 6278 attached [pid 6278] set_robust_list(0x55558acd66a0, 24 [pid 6276] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6276] <... futex resumed>) = 1 [pid 6277] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6278] chdir("./37" [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... chdir resumed>) = 0 [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6277] <... openat resumed>) = 3 [pid 6278] setpgid(0, 0 [pid 6277] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... setpgid resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 0 [pid 6276] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6277] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6278] <... openat resumed>) = 3 [pid 6277] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6278] write(3, "1000", 4 [pid 6277] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6278] <... write resumed>) = 4 [pid 6278] close(3) = 0 [pid 6277] <... mmap resumed>) = 0x7f44f9f99000 [pid 6278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6277] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6278] write(1, "executing program\n", 18 [pid 6277] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6278] <... write resumed>) = 18 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 0 [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... futex resumed>) = 0 [pid 6278] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6277] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6277] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 0 [pid 6272] <... io_uring_enter resumed>) = 4096 [pid 6273] <... io_uring_enter resumed>) = 4096 [pid 6276] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6277] <... futex resumed>) = 0 [pid 6276] <... futex resumed>) = 0 [pid 6273] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6277] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6278] <... mprotect resumed>) = 0 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] exit_group(0 [pid 6269] exit_group(0 [pid 6276] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = ? [pid 6273] <... futex resumed>) = ? [pid 6272] <... futex resumed>) = ? [pid 6270] <... exit_group resumed>) = ? [pid 6269] <... exit_group resumed>) = ? [pid 6278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6272] +++ exited with 0 +++ [pid 6278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6276] <... futex resumed>) = 1 [pid 6278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6277] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6276] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6279 attached [pid 6274] +++ exited with 0 +++ [pid 6273] +++ exited with 0 +++ [pid 6270] +++ exited with 0 +++ [pid 6269] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6279] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6278] <... clone3 resumed> => {parent_tid=[6279]}, 88) = 6279 [pid 6275] <... io_uring_enter resumed>) = 4096 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6278] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6279] <... rseq resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6279] set_robust_list(0x7f44f9fde9a0, 24 [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] unlink("./38/binderfs" [pid 6279] <... set_robust_list resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6271] exit_group(0 [pid 5866] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... unlink resumed>) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... exit_group resumed>) = ? [pid 5866] <... openat resumed>) = 3 [pid 5864] getdents64(3, [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] +++ exited with 0 +++ [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] newfstatat(3, "", [pid 5864] close(3) = 0 [pid 5864] rmdir("./38") = 0 [pid 5864] mkdir("./39", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6271] +++ exited with 0 +++ [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6280 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6279] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] getdents64(3, [pid 5865] <... restart_syscall resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6279] <... openat resumed>) = 3 [pid 5865] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6280 attached [pid 6279] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6280] set_robust_list(0x55558acd66a0, 24 [pid 6279] <... futex resumed>) = 1 [pid 6278] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... openat resumed>) = 3 [pid 6279] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5865] newfstatat(3, "", [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6279] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] unlink("./35/binderfs" [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6279] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5865] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./36/binderfs" [pid 6279] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6279] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] close(3 [pid 6279] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... close resumed>) = 0 [pid 5865] rmdir("./36" [pid 6280] chdir("./39" [pid 6279] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./35" [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./37", 0777 [pid 6279] <... futex resumed>) = 1 [pid 6278] <... futex resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6280] <... chdir resumed>) = 0 [pid 6279] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mkdir("./36", 0777 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6281 attached [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] <... futex resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6279] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6279] <... futex resumed>) = 0 [pid 6281] set_robust_list(0x55558acd66a0, 24 [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6281 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] chdir("./37" [pid 6278] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6282 attached [pid 6279] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6282 [pid 6282] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6281] <... chdir resumed>) = 0 [pid 6279] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] <... futex resumed>) = 0 [pid 6282] chdir("./36" [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... chdir resumed>) = 0 [pid 6281] <... prctl resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] setpgid(0, 0 [pid 6278] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... prctl resumed>) = 0 [pid 6281] <... setpgid resumed>) = 0 [pid 6278] <... futex resumed>) = 1 executing program [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6278] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] setpgid(0, 0 [pid 6281] <... openat resumed>) = 3 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6279] <... futex resumed>) = 0 [pid 6279] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6281] write(3, "1000", 4) = 4 [pid 6281] close(3) = 0 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6280] <... prctl resumed>) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6281] write(1, "executing program\n", 18) = 18 [pid 6280] setpgid(0, 0 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6280] <... setpgid resumed>) = 0 [pid 6281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6281] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6283 attached [pid 6283] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6281] <... clone3 resumed> => {parent_tid=[6283]}, 88) = 6283 [pid 6283] <... rseq resumed>) = 0 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6283] set_robust_list(0x7f44f9fde9a0, 24 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6281] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] <... futex resumed>) = 0 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6283] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6283] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6283] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6283] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6283] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6283] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6281] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6281] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6283] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = 0 [pid 6280] <... openat resumed>) = 3 [pid 6281] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6283] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6282] write(3, "1000", 4 [pid 6281] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] write(3, "1000", 4 [pid 6282] <... write resumed>) = 4 [pid 6282] close(3 [pid 6280] <... write resumed>) = 4 [pid 6278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6282] <... close resumed>) = 0 [pid 6280] close(3 [pid 6282] symlink("/dev/binderfs", "./binderfs" [pid 6280] <... close resumed>) = 0 [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 6282] <... symlink resumed>) = 0 [pid 6280] <... symlink resumed>) = 0 [pid 6280] write(1, "executing program\n", 18executing program executing program [pid 6282] write(1, "executing program\n", 18 [pid 6280] <... write resumed>) = 18 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... write resumed>) = 18 [pid 6282] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6280] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6282] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6280] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6280] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6282] <... mprotect resumed>) = 0 [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6280] <... mprotect resumed>) = 0 [pid 6280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6280] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6284 attached [pid 6280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6282] <... clone3 resumed> => {parent_tid=[6284]}, 88) = 6284 [pid 6280] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 6284] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6285 attached [pid 6284] <... rseq resumed>) = 0 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6282] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] set_robust_list(0x7f44f9fde9a0, 24 [pid 6282] <... futex resumed>) = 0 [pid 6280] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6284] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6285] <... rseq resumed>) = 0 [pid 6285] set_robust_list(0x7f44f9fde9a0, 24 [pid 6284] <... openat resumed>) = 3 [pid 6284] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6284] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6282] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6282] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6284] <... mmap resumed>) = 0x7f44f9f99000 [pid 6280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6285] <... openat resumed>) = 3 [pid 6285] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6280] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... mmap resumed>) = 0x7f44f9f59000 [pid 6282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6280] <... futex resumed>) = 1 [pid 6277] <... io_uring_enter resumed>) = 4096 [pid 6284] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6285] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6284] <... futex resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7f44f9f38000 [pid 6277] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... mmap resumed>) = 0x7f44f9f99000 [pid 6284] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6276] exit_group(0 [pid 6285] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6276] <... exit_group resumed>) = ? [pid 6285] <... mmap resumed>) = 0x7f44f9f59000 [pid 6282] <... mprotect resumed>) = 0 [pid 6277] <... futex resumed>) = ? [pid 6285] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6285] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] <... futex resumed>) = 0 [pid 6277] +++ exited with 0 +++ [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6276] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6276, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6280] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./38/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./38") = 0 [pid 5867] mkdir("./39", 0777) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 6280] <... futex resumed>) = 1 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... futex resumed>) = 0 [pid 6282] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = 0 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6285] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6286 attached [pid 6282] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6285] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6280] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 6287 attached [pid 6286] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6287] set_robust_list(0x55558acd66a0, 24 [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6287 [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6286] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6282] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] <... futex resumed>) = 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6284] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6282] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6284] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6282] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] chdir("./39") = 0 [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6287] setpgid(0, 0) = 0 [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6287] <... openat resumed>) = 3 [pid 6287] write(3, "1000", 4) = 4 [pid 6287] close(3 [pid 6282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6287] <... close resumed>) = 0 [pid 6287] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6287] write(1, "executing program\n", 18) = 18 [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6287] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... io_uring_enter resumed>) = 4096 [pid 6278] exit_group(0 [pid 6287] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6278] <... exit_group resumed>) = ? [pid 6287] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6281] exit_group(0) = ? [pid 6279] +++ exited with 0 +++ [pid 6278] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6278, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6287] <... clone3 resumed> => {parent_tid=[6288]}, 88) = 6288 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6287] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6287] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./37/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./37") = 0 [pid 5863] mkdir("./38", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6289 attached , child_tidptr=0x55558acd6690) = 6289 ./strace-static-x86_64: Process 6288 attached [pid 6289] set_robust_list(0x55558acd66a0, 24 [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6289] chdir("./38" [pid 6288] <... rseq resumed>) = 0 executing program [pid 6289] <... chdir resumed>) = 0 [pid 6288] set_robust_list(0x7f44f9fde9a0, 24 [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] <... set_robust_list resumed>) = 0 [pid 6289] <... prctl resumed>) = 0 [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] setpgid(0, 0 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] <... setpgid resumed>) = 0 [pid 6288] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] <... openat resumed>) = 3 [pid 6289] <... openat resumed>) = 3 [pid 6288] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] write(3, "1000", 4 [pid 6288] <... futex resumed>) = 1 [pid 6289] <... write resumed>) = 4 [pid 6288] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] close(3) = 0 [pid 6289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6289] write(1, "executing program\n", 18 [pid 6287] <... futex resumed>) = 0 [pid 6289] <... write resumed>) = 18 [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 1 [pid 6289] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6288] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6288] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6288] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] <... mmap resumed>) = 0x7f44f9f99000 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6289] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6288] <... mmap resumed>) = 0x7f44f9f59000 [pid 6289] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6288] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... mprotect resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6288] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6288] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6288] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... clone3 resumed> => {parent_tid=[6290]}, 88) = 6290 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6287] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 1 [pid 6289] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6287] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6287] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6290 attached [pid 6290] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6283] <... io_uring_enter resumed>) = ? [pid 6290] <... rseq resumed>) = 0 [pid 6283] +++ exited with 0 +++ [pid 6281] +++ exited with 0 +++ [pid 6290] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6290] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6290] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6290] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6289] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6289] <... futex resumed>) = 0 [pid 6290] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] <... mmap resumed>) = 0x7f44f9f99000 [pid 6290] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6290] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6290] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 0 [pid 5865] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 1 [pid 6290] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 6290] <... futex resumed>) = 0 [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] newfstatat(3, "", [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6289] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 1 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6290] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6289] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./37/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./37") = 0 [pid 5865] mkdir("./38", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6291 attached , child_tidptr=0x55558acd6690) = 6291 [pid 6291] set_robust_list(0x55558acd66a0, 24 [pid 6287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6291] <... set_robust_list resumed>) = 0 [pid 6291] chdir("./38") = 0 [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6291] setpgid(0, 0) = 0 [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6291] write(3, "1000", 4) = 4 [pid 6291] close(3) = 0 [pid 6291] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6291] write(1, "executing program\n", 18executing program ) = 18 [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6291] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6285] <... io_uring_enter resumed>) = 4096 [pid 6291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6285] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6285] <... futex resumed>) = 0 [pid 6280] exit_group(0 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... exit_group resumed>) = ? [pid 6291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] +++ exited with 0 +++ [pid 6280] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6280, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6291] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6284] <... io_uring_enter resumed>) = 4096 [pid 6291] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5864] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6292 attached [pid 6291] <... clone3 resumed> => {parent_tid=[6292]}, 88) = 6292 [pid 6284] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] <... futex resumed>) = 0 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... rseq resumed>) = 0 [pid 6282] exit_group(0 [pid 5864] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] <... futex resumed>) = ? [pid 6284] <... futex resumed>) = ? [pid 6282] <... exit_group resumed>) = ? [pid 6286] +++ exited with 0 +++ [pid 6284] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6292] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6292] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6292] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] <... futex resumed>) = 0 [pid 6291] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6292] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6292] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5864] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6292] <... mmap resumed>) = 0x7f44f9f99000 [pid 6288] <... io_uring_enter resumed>) = 4096 [pid 5864] <... openat resumed>) = 3 [pid 6292] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5864] newfstatat(3, "", [pid 6292] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6291] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5864] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] newfstatat(3, "", [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] getdents64(3, [pid 5864] unlink("./39/binderfs" [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6291] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6291] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6291] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... unlink resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] getdents64(3, [pid 5866] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./39" [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6288] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6288] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] exit_group(0 [pid 6288] <... futex resumed>) = ? [pid 6287] <... exit_group resumed>) = ? [pid 5866] unlink("./36/binderfs" [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./36") = 0 [pid 5866] mkdir("./37", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6293 [pid 6288] +++ exited with 0 +++ [pid 6287] +++ exited with 0 +++ ./strace-static-x86_64: Process 6293 attached [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6287, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6293] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5864] mkdir("./40", 0777 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6293] chdir("./37") = 0 [pid 5867] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... prctl resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6293] setpgid(0, 0 [pid 6290] <... io_uring_enter resumed>) = 4096 [pid 5867] <... openat resumed>) = 3 [pid 5864] <... mkdir resumed>) = 0 [pid 6293] <... setpgid resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6293] <... openat resumed>) = 3 [pid 5867] getdents64(3, [pid 6293] write(3, "1000", 4 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6293] <... write resumed>) = 4 [pid 5867] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6293] close(3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... close resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6293] symlink("/dev/binderfs", "./binderfs" [pid 6290] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... symlink resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 5867] unlink("./39/binderfs"./strace-static-x86_64: Process 6294 attached [pid 6293] write(1, "executing program\n", 18 [pid 6290] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... unlink resumed>) = 0 [pid 6293] <... write resumed>) = 18 [pid 6289] exit_group(0 [pid 5867] getdents64(3, [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6294 [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = ? [pid 6289] <... exit_group resumed>) = ? [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6290] +++ exited with 0 +++ [pid 6289] +++ exited with 0 +++ [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] close(3 [pid 6293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... close resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] rmdir("./39" [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6293] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6293] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... restart_syscall resumed>) = 0 [pid 6293] <... mprotect resumed>) = 0 [pid 6294] set_robust_list(0x55558acd66a0, 24 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] mkdir("./40", 0777 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6294] chdir("./40" [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6296 attached [pid 6294] <... chdir resumed>) = 0 [pid 5863] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] <... clone3 resumed> => {parent_tid=[6296]}, 88) = 6296 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... rseq resumed>) = 0 [pid 6294] <... prctl resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6297 [pid 6296] set_robust_list(0x7f44f9fde9a0, 24 [pid 6294] setpgid(0, 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6297 attached [pid 6296] <... set_robust_list resumed>) = 0 [pid 6294] <... setpgid resumed>) = 0 [pid 6293] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] <... openat resumed>) = 3 [ 76.444589][ T43] cfg80211: failed to load regulatory.db [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] set_robust_list(0x55558acd66a0, 24 [pid 6296] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6294] write(3, "1000", 4 [pid 5863] newfstatat(3, "", [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] <... openat resumed>) = 3 [pid 6294] <... write resumed>) = 4 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6296] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] close(3 [pid 6296] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 5863] getdents64(3, [pid 6296] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6294] <... close resumed>) = 0 [pid 6293] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6294] symlink("/dev/binderfs", "./binderfs" [pid 6293] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6297] chdir("./40"executing program ) = 0 [pid 6296] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6294] <... symlink resumed>) = 0 [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] <... mmap resumed>) = 0x7f44f9f99000 [pid 6294] write(1, "executing program\n", 18 [pid 6296] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6294] <... write resumed>) = 18 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... mmap resumed>) = 0x7f44f9f59000 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6296] <... futex resumed>) = 1 [pid 6294] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6293] <... futex resumed>) = 0 [pid 6296] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6293] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] <... futex resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6297] <... prctl resumed>) = 0 [pid 6296] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... futex resumed>) = 0 [pid 5863] unlink("./38/binderfs" [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... unlink resumed>) = 0 [pid 6294] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] getdents64(3, [pid 6294] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6293] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 0 [pid 6294] <... mprotect resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6296] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... futex resumed>) = 0 [pid 6294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] close(3 [pid 6296] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6293] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] setpgid(0, 0 [pid 6293] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 ./strace-static-x86_64: Process 6298 attached [pid 6297] <... setpgid resumed>) = 0 [pid 6294] <... clone3 resumed> => {parent_tid=[6298]}, 88) = 6298 [pid 6293] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] rmdir("./38" [pid 6298] <... rseq resumed>) = 0 [pid 6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] set_robust_list(0x7f44f9fde9a0, 24 [pid 5863] <... rmdir resumed>) = 0 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6294] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] rt_sigprocmask(SIG_SETMASK, [], [pid 6294] <... futex resumed>) = 0 [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6298] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... openat resumed>) = 3 [pid 5863] mkdir("./39", 0777 [pid 6298] <... futex resumed>) = 1 [pid 6297] write(3, "1000", 4 [pid 6294] <... futex resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6298] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6294] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6297] <... write resumed>) = 4 [pid 6294] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6297] close(3 [pid 6298] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... mmap resumed>) = 0x7f44f9f99000 [pid 6298] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6299 [pid 6298] <... mmap resumed>) = 0x7f44f9f59000 [pid 6297] <... close resumed>) = 0 ./strace-static-x86_64: Process 6299 attached [pid 6297] symlink("/dev/binderfs", "./binderfs" [pid 6299] set_robust_list(0x55558acd66a0, 24executing program ) = 0 [pid 6298] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... symlink resumed>) = 0 [pid 6298] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6298] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] write(1, "executing program\n", 18 [pid 6299] chdir("./39" [pid 6297] <... write resumed>) = 18 [pid 6298] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6294] <... futex resumed>) = 0 [pid 6299] <... chdir resumed>) = 0 [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6297] <... futex resumed>) = 0 [pid 6299] <... prctl resumed>) = 0 [pid 6297] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6299] setpgid(0, 0 [pid 6297] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6299] <... setpgid resumed>) = 0 [pid 6297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6299] <... openat resumed>) = 3 [pid 6297] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6299] write(3, "1000", 4) = 4 [pid 6297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6299] close(3 [pid 6297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6299] <... close resumed>) = 0 [pid 6297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6300 attached [pid 6299] symlink("/dev/binderfs", "./binderfs"executing program [pid 6300] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6297] <... clone3 resumed> => {parent_tid=[6300]}, 88) = 6300 [pid 6300] set_robust_list(0x7f44f9fde9a0, 24 [pid 6299] <... symlink resumed>) = 0 [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] <... set_robust_list resumed>) = 0 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] write(1, "executing program\n", 18 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6299] <... write resumed>) = 18 [pid 6297] <... futex resumed>) = 0 [pid 6300] <... openat resumed>) = 3 [pid 6299] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6300] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6297] <... futex resumed>) = 0 [pid 6300] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6297] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6297] <... futex resumed>) = 0 [pid 6300] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6300] <... mmap resumed>) = 0x7f44f9f99000 [pid 6299] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6299] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6300] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6299] <... mprotect resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6300] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6297] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6301 attached [pid 6300] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6300] <... futex resumed>) = 0 [pid 6299] <... clone3 resumed> => {parent_tid=[6301]}, 88) = 6301 [pid 6297] <... futex resumed>) = 0 [pid 6301] <... rseq resumed>) = 0 [pid 6300] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] set_robust_list(0x7f44f9fde9a0, 24 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... set_robust_list resumed>) = 0 [pid 6299] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6299] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6297] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6297] <... futex resumed>) = 0 [pid 6301] <... openat resumed>) = 3 [pid 6297] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6299] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6299] <... futex resumed>) = 0 [pid 6299] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6301] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6301] <... mmap resumed>) = 0x7f44f9f99000 [pid 6299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6299] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] <... io_uring_enter resumed>) = 4096 [pid 6299] <... mmap resumed>) = 0x7f44f9f78000 [pid 6299] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6301] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6292] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6301] <... mmap resumed>) = 0x7f44f9f38000 [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0} [pid 6292] <... futex resumed>) = 0 [pid 6291] exit_group(0) = ? [pid 6296] <... io_uring_enter resumed>) = 4096 [pid 6296] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] +++ exited with 0 +++ [pid 6291] +++ exited with 0 +++ [pid 6296] <... futex resumed>) = 0 [pid 6296] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] exit_group(0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6291, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] <... futex resumed>) = ? [pid 6293] <... exit_group resumed>) = ? [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... clone3 resumed> => {parent_tid=[6302]}, 88) = 6302 [pid 6296] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 5865] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6302 attached [pid 6301] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... openat resumed>) = 3 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] newfstatat(3, "", [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6299] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6299] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6299] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./38/binderfs" [pid 6302] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 6302] <... rseq resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 5866] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6302] set_robust_list(0x7f44f9f989a0, 24 [pid 6301] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] close(3 [pid 5866] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... close resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] rmdir("./38" [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] newfstatat(3, "", [pid 5865] <... rmdir resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] mkdir("./39", 0777 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] getdents64(3, [pid 5865] <... mkdir resumed>) = 0 [pid 6302] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6303 attached [pid 6302] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 5866] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6303] set_robust_list(0x55558acd66a0, 24 [pid 6302] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6303 [pid 6303] <... set_robust_list resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 5866] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6301] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] unlink("./37/binderfs" [pid 6301] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6299] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6303] chdir("./39" [pid 6299] <... futex resumed>) = 0 [pid 6303] <... chdir resumed>) = 0 [pid 5866] getdents64(3, [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6303] <... prctl resumed>) = 0 [pid 5866] close(3 [pid 6303] setpgid(0, 0 [pid 5866] <... close resumed>) = 0 [pid 6303] <... setpgid resumed>) = 0 [pid 6299] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] rmdir("./37" [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... rmdir resumed>) = 0 [pid 6303] <... openat resumed>) = 3 [pid 5866] mkdir("./38", 0777 [pid 6303] write(3, "1000", 4 [pid 5866] <... mkdir resumed>) = 0 [pid 6303] <... write resumed>) = 4 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6303] close(3) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6304 [pid 6303] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6304 attached ) = 0 executing program [pid 6304] set_robust_list(0x55558acd66a0, 24 [pid 6303] write(1, "executing program\n", 18 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6303] <... write resumed>) = 18 [pid 6304] chdir("./38" [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... chdir resumed>) = 0 [pid 6303] <... futex resumed>) = 0 [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6303] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6304] <... prctl resumed>) = 0 [pid 6303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6304] setpgid(0, 0 [pid 6303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6304] <... setpgid resumed>) = 0 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] <... io_uring_enter resumed>) = 4096 [pid 6304] <... openat resumed>) = 3 [pid 6303] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6304] write(3, "1000", 4) = 4 [pid 6304] close(3) = 0 [pid 6304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6298] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6304] write(1, "executing program\n", 18 [pid 6298] <... futex resumed>) = 0 [pid 6304] <... write resumed>) = 18 [pid 6298] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] exit_group(0) = ? [pid 6304] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = ? [pid 6304] <... futex resumed>) = 0 [pid 6303] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6298] +++ exited with 0 +++ [pid 6294] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6304] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6303] <... mprotect resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6305 attached [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6303] <... clone3 resumed> => {parent_tid=[6305]}, 88) = 6305 [pid 6304] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] <... mprotect resumed>) = 0 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6303] <... futex resumed>) = 0 [pid 6304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... clone3 resumed> => {parent_tid=[6306]}, 88) = 6306 [pid 6305] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] <... rseq resumed>) = 0 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] set_robust_list(0x7f44f9fde9a0, 24 [pid 6304] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] <... futex resumed>) = 0 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6306 attached [pid 5864] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6305] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6305] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6305] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6305] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5864] getdents64(3, [pid 6305] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6305] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5864] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6306] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6305] <... mmap resumed>) = 0x7f44f9f59000 [pid 6306] <... rseq resumed>) = 0 [pid 6305] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] set_robust_list(0x7f44f9fde9a0, 24 [pid 6305] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6300] <... io_uring_enter resumed>) = 4096 [pid 5864] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6305] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... set_robust_list resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 0 [pid 5864] unlink("./40/binderfs" [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6305] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6305] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5864] <... unlink resumed>) = 0 [pid 6306] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6303] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6306] <... openat resumed>) = 3 [pid 6300] <... futex resumed>) = 0 [pid 6297] exit_group(0 [pid 6306] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... exit_group resumed>) = ? [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 6304] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./40" [pid 6306] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6300] +++ exited with 0 +++ [pid 6297] +++ exited with 0 +++ [pid 6304] <... futex resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6304] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6297, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] mkdir("./41", 0777 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5864] <... mkdir resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6307 [pid 5867] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6307 attached [pid 6306] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... openat resumed>) = 3 [pid 6306] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6306] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./40/binderfs") = 0 [pid 5867] getdents64(3, [pid 6303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./40") = 0 [pid 5867] mkdir("./41", 0777executing program [pid 6307] set_robust_list(0x55558acd66a0, 24 [pid 6306] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... mkdir resumed>) = 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6304] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6307] chdir("./41" [pid 6306] <... mmap resumed>) = 0x7f44f9f59000 [pid 6304] <... futex resumed>) = 0 [pid 6308] set_robust_list(0x55558acd66a0, 24 [pid 6307] <... chdir resumed>) = 0 [pid 6306] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] <... futex resumed>) = 0 [pid 6304] <... mmap resumed>) = 0x7f44f9f38000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6308 [pid 6308] chdir("./41" [pid 6307] <... prctl resumed>) = 0 [pid 6306] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6308] <... chdir resumed>) = 0 [pid 6307] setpgid(0, 0 [pid 6304] <... mprotect resumed>) = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6308] <... prctl resumed>) = 0 [pid 6304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6308] setpgid(0, 0 [pid 6304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6309 attached [pid 6308] <... setpgid resumed>) = 0 [pid 6307] <... setpgid resumed>) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6304] <... clone3 resumed> => {parent_tid=[6309]}, 88) = 6309 [pid 6308] write(3, "1000", 4 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6308] <... write resumed>) = 4 [pid 6307] <... openat resumed>) = 3 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] close(3 [pid 6307] write(3, "1000", 4 [pid 6304] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... close resumed>) = 0 [pid 6309] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6307] <... write resumed>) = 4 [pid 6309] <... rseq resumed>) = 0 [pid 6308] symlink("/dev/binderfs", "./binderfs" [pid 6304] <... futex resumed>) = 0 [pid 6308] <... symlink resumed>) = 0 [pid 6304] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] write(1, "executing program\n", 18) = 18 [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6307] close(3 [pid 6309] set_robust_list(0x7f44f9f589a0, 24 [pid 6308] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6307] <... close resumed>) = 0 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6307] symlink("/dev/binderfs", "./binderfs" [pid 6308] <... mprotect resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6310]}, 88) = 6310 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6308] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6310 attached ) = 0 [pid 6310] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... rseq resumed>) = 0 [pid 6310] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6310] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program ) = 3 [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] <... symlink resumed>) = 0 [pid 6310] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6307] write(1, "executing program\n", 18 [pid 6308] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... write resumed>) = 18 [pid 6309] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 0 [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6309] <... futex resumed>) = 1 [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 0 [pid 6309] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... futex resumed>) = 0 [pid 6304] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6306] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6306] <... futex resumed>) = 0 [pid 6304] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... mmap resumed>) = 0x7f44f9f99000 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6304] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... mmap resumed>) = 0x7f44f9f59000 [pid 6307] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6310] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6310] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6307] <... mprotect resumed>) = 0 [pid 6306] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6304] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6310] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6310] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6310] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6311 attached => {parent_tid=[6311]}, 88) = 6311 [pid 6304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6308] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6311] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] <... rseq resumed>) = 0 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] set_robust_list(0x7f44f9fde9a0, 24 [pid 6307] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6311] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6311] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6307] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6311] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6307] <... futex resumed>) = 0 [pid 6311] <... mmap resumed>) = 0x7f44f9f99000 [pid 6311] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... mmap resumed>) = 0x7f44f9f59000 [pid 6311] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6311] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... io_uring_enter resumed>) = 4096 [pid 6307] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6299] exit_group(0 [pid 6311] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = ? [pid 6299] <... exit_group resumed>) = ? [pid 6311] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6311] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] +++ exited with 0 +++ [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 1 [pid 6302] +++ exited with 0 +++ [pid 6299] +++ exited with 0 +++ [pid 6311] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6311] <... futex resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6311] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... io_uring_enter resumed>) = 4096 [pid 6311] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 1 [pid 5863] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6311] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6307] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] unlink("./39/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./39") = 0 [pid 5863] mkdir("./40", 0777) = 0 [pid 6305] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6305] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] exit_group(0 [pid 6305] <... futex resumed>) = ? [pid 6303] <... exit_group resumed>) = ? [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6312 ./strace-static-x86_64: Process 6312 attached [pid 6305] +++ exited with 0 +++ [pid 6303] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6303, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./39/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./39") = 0 [pid 5865] mkdir("./40", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6313 [pid 6307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6312] set_robust_list(0x55558acd66a0, 24./strace-static-x86_64: Process 6313 attached ) = 0 [pid 6306] <... io_uring_enter resumed>) = 4096 [pid 6312] chdir("./40" [pid 6313] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6312] <... chdir resumed>) = 0 [pid 6313] chdir("./40" [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6313] <... chdir resumed>) = 0 [pid 6312] setpgid(0, 0executing program ) = 0 [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6312] write(3, "1000", 4) = 4 [pid 6312] close(3) = 0 [pid 6312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] write(1, "executing program\n", 18 [pid 6313] <... prctl resumed>) = 0 [pid 6312] <... write resumed>) = 18 [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6312] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6313] setpgid(0, 0 [pid 6306] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] exit_group(0) = ? [pid 6312] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6308] exit_group(0) = ? [pid 6312] <... clone3 resumed> => {parent_tid=[6314]}, 88) = 6314 ./strace-static-x86_64: Process 6314 attached [pid 6312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6312] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6313] <... setpgid resumed>) = 0 [pid 6309] <... futex resumed>) = ? [pid 6306] <... futex resumed>) = ? [pid 6314] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6314] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6314] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6312] <... futex resumed>) = 0 [pid 6310] <... io_uring_enter resumed>) = ? [pid 6312] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6306] +++ exited with 0 +++ [pid 6314] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] +++ exited with 0 +++ [pid 6309] +++ exited with 0 +++ [pid 6308] +++ exited with 0 +++ [pid 6304] +++ exited with 0 +++ [pid 6314] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6304, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... openat resumed>) = 3 [pid 5866] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5867] getdents64(3, [pid 5866] newfstatat(3, "", [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5866] getdents64(3, [pid 6314] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6313] <... openat resumed>) = 3 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6314] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] unlink("./41/binderfs" [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6314] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 5866] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] <... futex resumed>) = 1 [pid 6312] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6312] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6312] <... futex resumed>) = 0 [pid 5867] close(3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... close resumed>) = 0 [pid 6314] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rmdir("./41" [pid 6314] <... futex resumed>) = 1 [pid 6312] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6314] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] write(3, "1000", 4 [pid 6312] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./38/binderfs" [pid 6312] <... futex resumed>) = 0 [pid 5867] mkdir("./42", 0777 [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = 0 [pid 6313] <... write resumed>) = 4 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... mkdir resumed>) = 0 [pid 6314] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6312] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6313] close(3 [pid 6312] <... futex resumed>) = 0 executing program [pid 6313] <... close resumed>) = 0 [pid 6313] symlink("/dev/binderfs", "./binderfs" [pid 6312] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6315 ./strace-static-x86_64: Process 6315 attached [pid 5866] <... unlink resumed>) = 0 [pid 6315] set_robust_list(0x55558acd66a0, 24 [pid 6313] <... symlink resumed>) = 0 [pid 5866] getdents64(3, [pid 6313] write(1, "executing program\n", 18 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6313] <... write resumed>) = 18 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6313] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6313] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6313] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] rmdir("./38" [pid 6313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] mkdir("./39", 0777 [pid 6315] chdir("./42" [pid 5866] <... mkdir resumed>) = 0 [pid 6315] <... chdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6316 attached [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6316 [pid 6316] set_robust_list(0x55558acd66a0, 24 [pid 6315] <... prctl resumed>) = 0 [pid 6313] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6313] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6315] setpgid(0, 0) = 0 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] <... openat resumed>) = 3 [pid 6313] <... mprotect resumed>) = 0 [pid 6315] write(3, "1000", 4) = 4 [pid 6315] close(3) = 0 [pid 6315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6315] write(1, "executing program\n", 18) = 18 [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6315] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6315] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6317 attached [pid 6316] chdir("./39" [pid 6313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6316] <... chdir resumed>) = 0 [pid 6317] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6315] <... clone3 resumed> => {parent_tid=[6317]}, 88) = 6317 [pid 6313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] <... rseq resumed>) = 0 [pid 6316] <... prctl resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6316] setpgid(0, 0 [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... setpgid resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6317] set_robust_list(0x7f44f9fde9a0, 24./strace-static-x86_64: Process 6318 attached ) = 0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6316] <... openat resumed>) = 3 [pid 6313] <... clone3 resumed> => {parent_tid=[6318]}, 88) = 6318 [pid 6318] <... rseq resumed>) = 0 [pid 6316] write(3, "1000", 4 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6318] set_robust_list(0x7f44f9fde9a0, 24 [pid 6316] <... write resumed>) = 4 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6316] close(3 [pid 6313] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] <... close resumed>) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6316] symlink("/dev/binderfs", "./binderfs" [pid 6313] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6317] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6317] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6315] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6317] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6315] <... futex resumed>) = 0 [pid 6317] <... mmap resumed>) = 0x7f44f9f99000 [pid 6316] <... symlink resumed>) = 0 [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6317] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6316] write(1, "executing program\n", 18) = 18 [pid 6317] <... mmap resumed>) = 0x7f44f9f59000 [pid 6311] <... io_uring_enter resumed>) = 4096 [pid 6317] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6317] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6317] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6317] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 1 [pid 6317] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6315] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6311] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] exit_group(0 [pid 6311] <... futex resumed>) = ? [pid 6307] <... exit_group resumed>) = ? [pid 6311] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6307, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6316] <... futex resumed>) = 0 [pid 6316] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6313] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6313] <... futex resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] newfstatat(3, "", [pid 6318] <... openat resumed>) = 3 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 6316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] <... mmap resumed>) = 0x7f44f9f9d000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./41/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./41") = 0 [pid 5864] mkdir("./42", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6319 ./strace-static-x86_64: Process 6319 attached [pid 6319] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6319] chdir("./42") = 0 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6319] setpgid(0, 0) = 0 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6319] write(3, "1000", 4) = 4 [pid 6319] close(3) = 0 [pid 6318] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6313] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6318] <... futex resumed>) = 0 [pid 6316] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6313] <... mprotect resumed>) = 0 [pid 6318] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... mprotect resumed>) = 0 [pid 6313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6319] symlink("/dev/binderfs", "./binderfs" [pid 6316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6321 attached ./strace-static-x86_64: Process 6320 attached [pid 6319] <... symlink resumed>) = 0 [pid 6315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6313] <... clone3 resumed> => {parent_tid=[6320]}, 88) = 6320 [pid 6320] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] <... rseq resumed>) = 0 [pid 6316] <... clone3 resumed> => {parent_tid=[6321]}, 88) = 6321 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6313] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] <... futex resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] <... futex resumed>) = 0 executing program [pid 6321] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6320] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6319] write(1, "executing program\n", 18 [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... rseq resumed>) = 0 [pid 6319] <... write resumed>) = 18 [pid 6321] set_robust_list(0x7f44f9fde9a0, 24 [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6320] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6321] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6321] <... openat resumed>) = 3 [pid 6321] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6321] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6316] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6316] <... futex resumed>) = 0 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6321] <... mmap resumed>) = 0x7f44f9f99000 [pid 6319] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6321] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6320] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6321] <... mmap resumed>) = 0x7f44f9f59000 [pid 6313] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... mmap resumed>) = 0x7f44f9f78000 [pid 6321] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6316] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6319] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6318] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = 1 [pid 6319] <... mprotect resumed>) = 0 [pid 6318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6316] <... futex resumed>) = 0 [pid 6321] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... mmap resumed>) = ? [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6316] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = 0 [pid 6320] +++ killed by SIGSEGV +++ [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] <... futex resumed>) = 0 [pid 6314] <... io_uring_enter resumed>) = 4096 [pid 6321] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... clone3 resumed> => {parent_tid=[6322]}, 88) = 6322 [pid 6316] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = 0 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] <... futex resumed>) = 1 [pid 6321] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6322 attached [pid 6318] +++ killed by SIGSEGV +++ [pid 6316] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] +++ killed by SIGSEGV +++ [pid 6319] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6313, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6322] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6319] <... futex resumed>) = 0 [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6322] <... rseq resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6322] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5865] unlink("./40/binderfs" [pid 6322] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... unlink resumed>) = 0 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./40" [pid 6322] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5865] <... rmdir resumed>) = 0 [pid 6322] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mkdir("./41", 0777 [pid 6322] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6322] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... mkdir resumed>) = 0 [pid 6319] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 6322] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] exit_group(0) = ? [pid 6322] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6322] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6314] <... futex resumed>) = ? [pid 6322] <... mmap resumed>) = 0x7f44f9f99000 [pid 6314] +++ exited with 0 +++ [pid 6312] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6312, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6323 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./40/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./40"./strace-static-x86_64: Process 6323 attached [pid 6322] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./41", 0777 [pid 6316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... mkdir resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6324 ./strace-static-x86_64: Process 6324 attached [pid 6324] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6324] chdir("./41") = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6324] setpgid(0, 0) = 0 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6323] set_robust_list(0x55558acd66a0, 24 [pid 6322] <... mmap resumed>) = 0x7f44f9f59000 [pid 6322] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6324] write(3, "1000", 4) = 4 [pid 6324] close(3) = 0 [pid 6324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6324] write(1, "executing program\n", 18 [pid 6323] chdir("./41" [pid 6322] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6317] <... io_uring_enter resumed>) = 4096 [pid 6323] <... chdir resumed>) = 0 [pid 6322] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6322] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6315] exit_group(0 [pid 6323] setpgid(0, 0 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... setpgid resumed>) = 0 [pid 6322] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 6322] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = ? [pid 6315] <... exit_group resumed>) = ? [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... openat resumed>) = 3 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] +++ exited with 0 +++ [pid 6315] +++ exited with 0 +++ executing program executing program [pid 6323] write(3, "1000", 4 [pid 6319] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6322] <... futex resumed>) = 0 [pid 6323] <... write resumed>) = 4 [pid 6319] <... futex resumed>) = 1 [pid 6322] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6324] <... write resumed>) = 18 [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6324] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6324] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6325]}, 88) = 6325 [pid 6324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6324] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./42/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./42") = 0 [pid 5867] mkdir("./43", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6323] close(3 [pid 6319] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6326 ./strace-static-x86_64: Process 6326 attached ./strace-static-x86_64: Process 6325 attached [pid 6323] <... close resumed>) = 0 [pid 6325] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 6326] set_robust_list(0x55558acd66a0, 24 [pid 6323] <... symlink resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] <... rseq resumed>) = 0 [pid 6323] write(1, "executing program\n", 18 [pid 6326] chdir("./43" [pid 6325] set_robust_list(0x7f44f9fde9a0, 24 [pid 6323] <... write resumed>) = 18 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6325] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6323] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6325] <... openat resumed>) = 3 [pid 6323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6325] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6326] <... chdir resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6323] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 1 [pid 6323] <... mprotect resumed>) = 0 [pid 6326] <... prctl resumed>) = 0 [pid 6325] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6325] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6325] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6326] setpgid(0, 0 [pid 6325] <... mmap resumed>) = 0x7f44f9f59000 [pid 6323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6325] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... setpgid resumed>) = 0 [pid 6323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6325] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6325] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 1 [pid 6325] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6324] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... openat resumed>) = 3 [pid 6323] <... clone3 resumed> => {parent_tid=[6327]}, 88) = 6327 ./strace-static-x86_64: Process 6327 attached [pid 6323] rt_sigprocmask(SIG_SETMASK, [], [pid 6327] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6327] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6327] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] write(3, "1000", 4 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... write resumed>) = 4 [pid 6327] <... futex resumed>) = 0 [pid 6326] close(3 [pid 6323] <... futex resumed>) = 1 [pid 6327] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6326] <... close resumed>) = 0 [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... openat resumed>) = 3 [pid 6327] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] symlink("/dev/binderfs", "./binderfs" [pid 6327] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6327] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6323] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6323] <... futex resumed>) = 0 [pid 6327] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... mmap resumed>) = 0x7f44f9f99000 [pid 6327] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6327] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6327] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6327] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = 1 [pid 6327] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... futex resumed>) = 0 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6323] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6326] <... symlink resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6326] write(1, "executing program\n", 18 [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... write resumed>) = 18 [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6326] <... futex resumed>) = 0 [pid 6324] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6326] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6326] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6326] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6328 attached [pid 6321] <... io_uring_enter resumed>) = 4096 [pid 6328] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6326] <... clone3 resumed> => {parent_tid=[6328]}, 88) = 6328 [pid 6323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6323] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6321] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] <... rseq resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6316] exit_group(0 [pid 6321] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... exit_group resumed>) = ? [pid 6328] set_robust_list(0x7f44f9fde9a0, 24 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6321] <... futex resumed>) = ? [pid 6326] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6326] <... futex resumed>) = 0 [pid 6321] +++ exited with 0 +++ [pid 6316] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6316, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6328] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] unlink("./39/binderfs" [pid 6328] <... openat resumed>) = 3 [pid 6328] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6328] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6326] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3) = 0 [pid 5866] rmdir("./39" [pid 6328] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6326] <... futex resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./40", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6328] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0./strace-static-x86_64: Process 6329 attached ) = 0x7f44f9f99000 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6329 [pid 6329] set_robust_list(0x55558acd66a0, 24 [pid 6328] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6329] chdir("./40") = 0 [pid 6328] <... mmap resumed>) = 0x7f44f9f59000 [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6328] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6326] <... futex resumed>) = 0 [pid 6328] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6328] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] setpgid(0, 0) = 0 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... openat resumed>) = 3 [pid 6329] write(3, "1000", 4 [pid 6328] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6322] <... io_uring_enter resumed>) = 4096 [pid 6328] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... write resumed>) = 4 [pid 6329] close(3) = 0 executing program [pid 6329] symlink("/dev/binderfs", "./binderfs" [pid 6328] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 6329] <... symlink resumed>) = 0 [pid 6328] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6326] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] write(1, "executing program\n", 18 [pid 6326] <... futex resumed>) = 0 [pid 6329] <... write resumed>) = 18 [pid 6326] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] exit_group(0 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 6329] <... futex resumed>) = 0 [pid 6329] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6329] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6330]}, 88) = 6330 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6322] +++ exited with 0 +++ [pid 6319] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 6330 attached [pid 5864] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6330] <... rseq resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6330] set_robust_list(0x7f44f9fde9a0, 24 [pid 5864] <... openat resumed>) = 3 [pid 6330] <... set_robust_list resumed>) = 0 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] getdents64(3, [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6330] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6329] <... futex resumed>) = 0 [pid 5864] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] <... openat resumed>) = 3 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6330] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6329] <... futex resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6330] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6330] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] unlink("./42/binderfs" [pid 6330] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5864] <... unlink resumed>) = 0 [pid 6330] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5864] getdents64(3, [pid 6330] <... mmap resumed>) = 0x7f44f9f99000 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6330] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5864] close(3 [pid 6330] <... mmap resumed>) = 0x7f44f9f59000 [pid 5864] <... close resumed>) = 0 [pid 6330] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./42" [pid 6330] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6329] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] mkdir("./43", 0777 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mkdir resumed>) = 0 [pid 6330] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6331 attached [pid 6329] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] set_robust_list(0x55558acd66a0, 24 [pid 6329] <... futex resumed>) = 0 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6331 [pid 6331] chdir("./43") = 0 [pid 6330] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6331] <... prctl resumed>) = 0 [pid 6330] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6329] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] setpgid(0, 0 [pid 6329] <... futex resumed>) = 0 [pid 6329] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6331] <... setpgid resumed>) = 0 [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6331] write(3, "1000", 4) = 4 [pid 6331] close(3) = 0 [pid 6331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6331] write(1, "executing program\n", 18) = 18 [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6331] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6331] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6332 attached [pid 6332] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6331] <... clone3 resumed> => {parent_tid=[6332]}, 88) = 6332 [pid 6326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6332] <... rseq resumed>) = 0 [pid 6332] set_robust_list(0x7f44f9fde9a0, 24 [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... openat resumed>) = 3 [pid 6332] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6331] <... futex resumed>) = 0 [pid 6332] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6331] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6331] <... futex resumed>) = 0 [pid 6332] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... mmap resumed>) = 0x7f44f9f99000 [pid 6329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6332] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6332] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6331] <... futex resumed>) = 0 [pid 6332] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6332] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 1 [pid 6332] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6332] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6331] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... io_uring_enter resumed>) = 4096 [pid 6325] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6325] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] exit_group(0) = ? [pid 6325] <... futex resumed>) = ? [pid 6325] +++ exited with 0 +++ [pid 6324] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./41/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./41") = 0 [pid 5863] mkdir("./42", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6333 ./strace-static-x86_64: Process 6333 attached [pid 6333] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6333] chdir("./42") = 0 [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6333] setpgid(0, 0) = 0 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6333] <... openat resumed>) = 3 [pid 6333] write(3, "1000", 4) = 4 [pid 6333] close(3) = 0 executing program [pid 6333] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6333] write(1, "executing program\n", 18 [pid 6327] <... io_uring_enter resumed>) = 4096 [pid 6333] <... write resumed>) = 18 [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6333] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6334 attached [pid 6334] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6334] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6333] <... clone3 resumed> => {parent_tid=[6334]}, 88) = 6334 [pid 6334] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 6327] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6327] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6333] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6323] exit_group(0 [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... exit_group resumed>) = ? [pid 6327] <... futex resumed>) = ? [pid 6334] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6327] +++ exited with 0 +++ [pid 6323] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6323, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6334] <... openat resumed>) = 3 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6334] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6333] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6328] <... io_uring_enter resumed>) = 4096 [pid 6334] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6328] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6334] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6333] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6326] exit_group(0 [pid 5865] unlink("./41/binderfs" [pid 6333] <... futex resumed>) = 0 [pid 6326] <... exit_group resumed>) = ? [pid 6334] <... mmap resumed>) = 0x7f44f9f99000 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] +++ exited with 0 +++ [pid 6326] +++ exited with 0 +++ [pid 6333] <... mmap resumed>) = 0x7f44f9f78000 [pid 6330] <... io_uring_enter resumed>) = 4096 [pid 5865] <... unlink resumed>) = 0 [pid 6334] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6333] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE [pid 5865] getdents64(3, [pid 6334] <... mmap resumed>) = 0x7f44f9f38000 [pid 6333] <... mprotect resumed>) = 0 [pid 6334] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6334] <... futex resumed>) = 0 [pid 6333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6334] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0} => {parent_tid=[6335]}, 88) = 6335 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6335 attached NULL, 8) = 0 [pid 6335] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053 [pid 6333] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... rseq resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6335] set_robust_list(0x7f44f9f989a0, 24 [pid 6333] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... set_robust_list resumed>) = 0 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6335] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... futex resumed>) = 0 [pid 6335] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6334] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6333] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6326, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... close resumed>) = 0 [pid 6330] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5865] rmdir("./41" [pid 6330] <... futex resumed>) = 0 [pid 6329] exit_group(0 [pid 5865] <... rmdir resumed>) = 0 [pid 6329] <... exit_group resumed>) = ? [pid 5865] mkdir("./42", 0777 [pid 5867] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] +++ exited with 0 +++ [pid 6329] +++ exited with 0 +++ [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6333] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6332] <... io_uring_enter resumed>) = 4096 [pid 5867] newfstatat(3, "", [pid 5866] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6336 attached [pid 6332] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6336] set_robust_list(0x55558acd66a0, 24 [pid 5867] getdents64(3, [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6336 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6332] <... futex resumed>) = 0 [pid 6331] exit_group(0) = ? [pid 6336] chdir("./42" [pid 5866] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] <... chdir resumed>) = 0 [pid 6332] +++ exited with 0 +++ [pid 6331] +++ exited with 0 +++ [pid 5867] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5864] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 6336] <... prctl resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5866] newfstatat(3, "", [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./43/binderfs" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 6336] setpgid(0, 0) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./43/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./43" [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] mkdir("./44", 0777 [pid 6336] <... openat resumed>) = 3 [pid 5867] getdents64(3, [pid 5866] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... mkdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6337 ./strace-static-x86_64: Process 6337 attached [pid 6337] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6337] chdir("./44"executing program [pid 5867] close(3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6337] <... chdir resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6337] setpgid(0, 0) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6337] write(3, "1000", 4) = 4 [pid 6337] close(3) = 0 [pid 6337] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6337] write(1, "executing program\n", 18) = 18 [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6337] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6338]}, 88) = 6338 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6336] write(3, "1000", 4 [pid 5867] <... close resumed>) = 0 [pid 5866] unlink("./40/binderfs" [pid 6336] <... write resumed>) = 4 [pid 5867] rmdir("./43" [pid 6337] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6338 attached [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6338] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6338] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6336] close(3 [pid 6338] <... openat resumed>) = 3 [pid 5867] <... rmdir resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 6338] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6336] symlink("/dev/binderfs", "./binderfs" [pid 5867] mkdir("./44", 0777 [pid 6338] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6337] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6336] <... symlink resumed>) = 0 [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643executing program , sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6336] write(1, "executing program\n", 18 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] getdents64(3, [pid 6336] <... write resumed>) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6339 attached [pid 6338] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6339 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./40" [pid 6336] <... futex resumed>) = 0 [pid 6336] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6339] set_robust_list(0x55558acd66a0, 24 [pid 6336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] mkdir("./41", 0777 [pid 6339] <... set_robust_list resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7f44f9f99000 [pid 6339] chdir("./44" [pid 6338] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7f44f9f59000 [pid 6339] <... chdir resumed>) = 0 [pid 6338] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6336] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6338] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6340 attached [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... futex resumed>) = 0 [pid 6336] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6337] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6337] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6337] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6337] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6340] set_robust_list(0x55558acd66a0, 24 [pid 6339] <... prctl resumed>) = 0 [pid 6336] <... mprotect resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6340 [pid 6339] setpgid(0, 0 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... setpgid resumed>) = 0 [pid 6336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6341 attached [pid 6340] chdir("./41" [pid 6339] <... openat resumed>) = 3 [pid 6340] <... chdir resumed>) = 0 [pid 6336] <... clone3 resumed> => {parent_tid=[6341]}, 88) = 6341 [pid 6339] write(3, "1000", 4 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... prctl resumed>) = 0 [pid 6336] <... futex resumed>) = 0 [pid 6341] <... rseq resumed>) = 0 [pid 6341] set_robust_list(0x7f44f9fde9a0, 24 [pid 6340] setpgid(0, 0 [pid 6339] <... write resumed>) = 4 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... setpgid resumed>) = 0 [pid 6339] close(3 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6339] <... close resumed>) = 0 [pid 6341] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6339] symlink("/dev/binderfs", "./binderfs" [pid 6341] <... openat resumed>) = 3 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6339] <... symlink resumed>) = 0 [pid 6341] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 6340] <... openat resumed>) = 3 [pid 6339] write(1, "executing program\n", 18 [pid 6336] <... futex resumed>) = 0 [pid 6336] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6341] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6340] write(3, "1000", 4 [pid 6339] <... write resumed>) = 18 [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... write resumed>) = 4 [pid 6341] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6340] close(3executing program [pid 6341] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6340] <... close resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6341] <... mmap resumed>) = 0x7f44f9f99000 [pid 6340] symlink("/dev/binderfs", "./binderfs" [pid 6341] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6339] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6340] <... symlink resumed>) = 0 [pid 6339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6341] <... mmap resumed>) = 0x7f44f9f59000 [pid 6339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6341] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] write(1, "executing program\n", 18 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6341] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 0 [pid 6340] <... write resumed>) = 18 [pid 6339] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6336] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6341] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = 0 [pid 6339] <... mprotect resumed>) = 0 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6341] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6336] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6336] <... futex resumed>) = 1 [pid 6341] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6336] <... futex resumed>) = 0 [pid 6336] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6342 attached [pid 6340] <... mprotect resumed>) = 0 [pid 6342] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6339] <... clone3 resumed> => {parent_tid=[6342]}, 88) = 6342 [pid 6342] <... rseq resumed>) = 0 [pid 6342] set_robust_list(0x7f44f9fde9a0, 24 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] <... io_uring_enter resumed>) = 4096 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6339] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] <... clone3 resumed> => {parent_tid=[6343]}, 88) = 6343 [pid 6342] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6340] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6343 attached NULL, 8) = 0 [pid 6340] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6343] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6343] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... openat resumed>) = 3 [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 6343] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6334] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] exit_group(0 [pid 6343] <... mmap resumed>) = 0x7f44f9f99000 [pid 6335] <... futex resumed>) = ? [pid 6333] <... exit_group resumed>) = ? [pid 6343] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6335] +++ exited with 0 +++ [pid 6343] <... mmap resumed>) = 0x7f44f9f59000 [pid 6343] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6343] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6343] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = ? [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6339] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6340] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6334] +++ exited with 0 +++ [pid 6333] +++ exited with 0 +++ [pid 6343] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=37000000} [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6342] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] getdents64(3, [pid 6340] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6343] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 5863] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6343] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6342] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6340] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6342] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6339] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] unlink("./42/binderfs" [pid 6342] <... mmap resumed>) = 0x7f44f9f99000 [pid 6339] <... futex resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] getdents64(3, [pid 6342] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6339] <... mmap resumed>) = 0x7f44f9f38000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6342] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6338] <... io_uring_enter resumed>) = 4096 [pid 5863] close(3 [pid 6342] <... futex resumed>) = 0 [pid 6342] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... close resumed>) = 0 [pid 6339] <... mprotect resumed>) = 0 [pid 5863] rmdir("./42" [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6338] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 6339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] <... futex resumed>) = 0 [pid 5863] mkdir("./43", 0777 [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6344 attached [pid 6338] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] exit_group(0 [pid 5863] <... mkdir resumed>) = 0 [pid 6344] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6339] <... clone3 resumed> => {parent_tid=[6344]}, 88) = 6344 [pid 6338] <... futex resumed>) = ? [pid 6337] <... exit_group resumed>) = ? [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6344] <... rseq resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6344] set_robust_list(0x7f44f9f589a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6345 [pid 6339] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 6339] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6345 attached [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] +++ exited with 0 +++ [pid 6337] +++ exited with 0 +++ [pid 6344] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6344] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6339] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 1 [pid 5864] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6342] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6342] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6339] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6339] <... futex resumed>) = 0 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6345] set_robust_list(0x55558acd66a0, 24 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./44/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./44") = 0 [pid 5864] mkdir("./45", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6346 attached [pid 6345] <... set_robust_list resumed>) = 0 [pid 6339] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] chdir("./43" [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6346 [pid 6346] set_robust_list(0x55558acd66a0, 24 [pid 6345] <... chdir resumed>) = 0 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] chdir("./45" [pid 6345] <... prctl resumed>) = 0 [pid 6346] <... chdir resumed>) = 0 [pid 6345] setpgid(0, 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] <... setpgid resumed>) = 0 [pid 6346] <... prctl resumed>) = 0 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] setpgid(0, 0 [pid 6345] <... openat resumed>) = 3 [pid 6344] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] <... setpgid resumed>) = 0 [pid 6345] write(3, "1000", 4 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] <... write resumed>) = 4 [pid 6346] <... openat resumed>) = 3 [pid 6345] close(3 [pid 6346] write(3, "1000", 4 [pid 6345] <... close resumed>) = 0 executing program executing program [pid 6346] <... write resumed>) = 4 [pid 6345] symlink("/dev/binderfs", "./binderfs" [pid 6346] close(3 [pid 6345] <... symlink resumed>) = 0 [pid 6346] <... close resumed>) = 0 [pid 6345] write(1, "executing program\n", 18 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6345] <... write resumed>) = 18 [pid 6346] <... symlink resumed>) = 0 [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] write(1, "executing program\n", 18 [pid 6345] <... futex resumed>) = 0 [pid 6346] <... write resumed>) = 18 [pid 6345] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6346] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6345] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] <... mprotect resumed>) = 0 [pid 6346] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6346] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6346] <... mprotect resumed>) = 0 [pid 6345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6345] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 ./strace-static-x86_64: Process 6347 attached [pid 6346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6345] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6348 attached [pid 6347] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6348] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6346] <... clone3 resumed> => {parent_tid=[6348]}, 88) = 6348 [pid 6345] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... rseq resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6345] <... futex resumed>) = 0 [pid 6348] set_robust_list(0x7f44f9fde9a0, 24 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... set_robust_list resumed>) = 0 [pid 6346] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... futex resumed>) = 0 [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] <... rseq resumed>) = 0 [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6347] set_robust_list(0x7f44f9fde9a0, 24 [pid 6348] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... set_robust_list resumed>) = 0 [pid 6341] <... io_uring_enter resumed>) = 4096 [pid 6348] <... futex resumed>) = 1 [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] exit_group(0) = ? [pid 6347] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6347] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6347] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6345] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = 1 [pid 6347] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6347] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6348] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6348] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6347] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6348] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6348] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6346] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6347] <... mmap resumed>) = 0x7f44f9f99000 [pid 6348] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... mmap resumed>) = 0x7f44f9f59000 [pid 6346] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6347] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6348] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6345] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6347] <... futex resumed>) = 0 [pid 6346] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] <... futex resumed>) = 1 [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6347] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6345] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6345] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6345] <... futex resumed>) = 0 [pid 6345] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6341] <... futex resumed>) = ? [pid 6341] +++ exited with 0 +++ [pid 6336] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6336, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] unlink("./42/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./42") = 0 [pid 5865] mkdir("./43", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6349 attached , child_tidptr=0x55558acd6690) = 6349 [pid 6349] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6349] chdir("./43") = 0 [pid 6343] <... io_uring_enter resumed>) = 4096 [pid 6343] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6349] setpgid(0, 0) = 0 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6349] write(3, "1000", 4) = 4 [pid 6340] exit_group(0 [pid 6349] close(3 [pid 6343] <... futex resumed>) = ? [pid 6340] <... exit_group resumed>) = ? [pid 6349] <... close resumed>) = 0 [pid 6349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6343] +++ exited with 0 +++ [pid 6340] +++ exited with 0 +++ executing program [pid 6349] write(1, "executing program\n", 18 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6340, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6349] <... write resumed>) = 18 [pid 6349] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6349] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6349] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6350]}, 88) = 6350 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6349] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6350 attached ) = 0 [pid 5866] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6350] <... rseq resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6350] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6342] <... io_uring_enter resumed>) = 4096 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6350] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... mmap resumed>) = 0x7f44f9f9d000 [pid 5866] unlink("./41/binderfs" [pid 6349] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6349] <... mprotect resumed>) = 0 [pid 6342] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6342] <... futex resumed>) = 0 [pid 6339] exit_group(0 [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6344] <... futex resumed>) = ? [pid 6339] <... exit_group resumed>) = ? [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./41" [pid 6342] +++ exited with 0 +++ [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./42", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6351 ./strace-static-x86_64: Process 6351 attached [pid 6351] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6351] chdir("./42" [pid 6349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6344] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 6351] <... chdir resumed>) = 0 [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6352 attached [pid 6351] <... prctl resumed>) = 0 [pid 6351] setpgid(0, 0 [pid 6352] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6349] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6352] <... rseq resumed>) = 0 [pid 6351] <... setpgid resumed>) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] set_robust_list(0x7f44f9fbd9a0, 24 [pid 5867] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] getdents64(3, [pid 6352] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... openat resumed>) = 3 [pid 6349] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] write(3, "1000", 4 [pid 6349] <... futex resumed>) = 0 [pid 5867] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6351] <... write resumed>) = 4 [pid 6349] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... io_uring_enter resumed>) = 4096 [pid 6347] <... io_uring_enter resumed>) = 4096 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6351] close(3 [pid 6347] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6352] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6351] <... close resumed>) = 0 [pid 6348] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6345] exit_group(0 [pid 6348] <... futex resumed>) = 0 [pid 6345] <... exit_group resumed>) = ? [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 5867] unlink("./44/binderfs" [pid 6352] <... mmap resumed>) = 0x7f44f9f78000 [pid 6351] <... symlink resumed>) = 0 [pid 6348] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] +++ exited with 0 +++ [pid 6345] +++ exited with 0 +++ [pid 5867] <... unlink resumed>) = 0 [pid 6352] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6351] write(1, "executing program\n", 18 [pid 6346] exit_group(0 [pid 5867] getdents64(3, [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6345, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- executing program [pid 6351] <... write resumed>) = 18 [pid 6348] <... futex resumed>) = ? [pid 6346] <... exit_group resumed>) = ? [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5867] close(3) = 0 [pid 5867] rmdir("./44") = 0 [pid 5867] mkdir("./45", 0777) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6351] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] +++ exited with 0 +++ [pid 6346] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6353 [pid 5863] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... openat resumed>) = 3 [pid 5864] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, [pid 6351] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] getdents64(3, [pid 5864] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] unlink("./45/binderfs" [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... unlink resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] getdents64(3, [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] close(3) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6351] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5864] rmdir("./45" [pid 5863] unlink("./43/binderfs" [pid 6351] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... rmdir resumed>) = 0 [pid 5864] mkdir("./46", 0777./strace-static-x86_64: Process 6353 attached [pid 6351] <... mprotect resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6354 attached [pid 6353] set_robust_list(0x55558acd66a0, 24 [pid 6352] <... mmap resumed>) = 0x7f44f9f38000 [pid 6351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] getdents64(3, [pid 6353] <... set_robust_list resumed>) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6354 ./strace-static-x86_64: Process 6355 attached [pid 6353] chdir("./45" [pid 6352] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6355] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6353] <... chdir resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... clone3 resumed> => {parent_tid=[6355]}, 88) = 6355 [pid 6349] <... futex resumed>) = 0 [pid 5863] close(3 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] <... close resumed>) = 0 [pid 6349] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] rmdir("./43" [pid 6351] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 5863] mkdir("./44", 0777 [pid 6350] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = 0 [pid 6350] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... mkdir resumed>) = 0 [pid 6349] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6350] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6350] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6356 attached [pid 6355] <... rseq resumed>) = 0 [pid 6354] set_robust_list(0x55558acd66a0, 24 [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6356 [pid 6353] <... prctl resumed>) = 0 [pid 6349] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6350] <... futex resumed>) = 0 [pid 6355] set_robust_list(0x7f44f9fde9a0, 24 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] setpgid(0, 0 [pid 6350] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6354] chdir("./46") = 0 [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6353] <... setpgid resumed>) = 0 [pid 6354] setpgid(0, 0) = 0 [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6354] write(3, "1000", 4 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6354] <... write resumed>) = 4 [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6356] chdir("./44" [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6354] close(3 [pid 6353] <... openat resumed>) = 3 [pid 6354] <... close resumed>) = 0 [pid 6355] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6353] write(3, "1000", 4 [pid 6356] <... chdir resumed>) = 0 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] symlink("/dev/binderfs", "./binderfs" [pid 6353] <... write resumed>) = 4 [pid 6356] <... prctl resumed>) = 0 [pid 6355] <... openat resumed>) = 3 [pid 6356] setpgid(0, 0 [pid 6355] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... symlink resumed>) = 0 [pid 6353] close(3executing program [pid 6354] write(1, "executing program\n", 18 [pid 6353] <... close resumed>) = 0 [pid 6354] <... write resumed>) = 18 [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6354] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6357 attached => {parent_tid=[6357]}, 88) = 6357 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6354] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] <... setpgid resumed>) = 0 [pid 6355] <... futex resumed>) = 1 [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] symlink("/dev/binderfs", "./binderfs" [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6357] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6351] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6355] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6353] <... symlink resumed>) = 0 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], executing program NULL, 8) = 0 [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6353] write(1, "executing program\n", 18 [pid 6357] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6353] <... write resumed>) = 18 [pid 6353] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6353] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6357] <... openat resumed>) = 3 [pid 6355] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6353] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6357] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6357] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] <... futex resumed>) = 0 [pid 6354] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 1 [pid 6357] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6357] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6357] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6357] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6357] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6357] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 1 [pid 6357] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... openat resumed>) = 3 [pid 6353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6357] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6354] <... futex resumed>) = 0 [pid 6354] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... mmap resumed>) = 0x7f44f9f99000 [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] write(3, "1000", 4) = 4 [pid 6353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] close(3 [pid 6355] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6351] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6355] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] <... futex resumed>) = 0 [pid 6356] <... symlink resumed>) = 0 [pid 6355] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] <... mprotect resumed>) = 0 [pid 6351] <... mmap resumed>) = 0x7f44f9f38000 [pid 6353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6356] write(1, "executing program\n", 18 [pid 6353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6351] <... mprotect resumed>) = 0 executing program [pid 6356] <... write resumed>) = 18 [pid 6354] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6358 attached [pid 6356] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6353] <... clone3 resumed> => {parent_tid=[6358]}, 88) = 6358 [pid 6358] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] <... rseq resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6358] set_robust_list(0x7f44f9fde9a0, 24 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6356] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6358] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6359 attached ) = 0 [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] <... clone3 resumed> => {parent_tid=[6359]}, 88) = 6359 [pid 6353] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6358] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6353] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... rseq resumed>) = 0 [pid 6358] <... openat resumed>) = 3 [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6359] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6359] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] <... futex resumed>) = 1 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6353] <... futex resumed>) = 0 [pid 6353] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6360 attached [pid 6358] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6353] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6358] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6356] <... clone3 resumed> => {parent_tid=[6360]}, 88) = 6360 [pid 6355] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6355] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6355] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6355] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6351] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] <... rseq resumed>) = 0 [pid 6358] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6358] <... mmap resumed>) = 0x7f44f9f99000 [pid 6356] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] set_robust_list(0x7f44f9fde9a0, 24 [pid 6358] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7f44f9f59000 [pid 6353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6358] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] <... futex resumed>) = 0 [pid 6353] <... mmap resumed>) = 0x7f44f9f38000 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6360] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6353] <... mprotect resumed>) = 0 [pid 6360] <... openat resumed>) = 3 [pid 6353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} => {parent_tid=[6362]}, 88) = 6362 [pid 6360] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6360] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6353] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6353] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6362 attached [pid 6362] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6360] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6362] <... rseq resumed>) = 0 [pid 6360] <... mmap resumed>) = 0x7f44f9f99000 [pid 6362] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6362] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6362] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6358] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6353] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6353] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6360] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... io_uring_enter resumed>) = 4096 [pid 6360] <... futex resumed>) = 0 [pid 6356] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6360] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6360] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6350] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6350] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = 1 [pid 6349] exit_group(0 [pid 6360] <... futex resumed>) = 0 [pid 6356] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... exit_group resumed>) = ? [pid 6350] <... futex resumed>) = ? [pid 6350] +++ exited with 0 +++ [pid 6360] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6352] <... futex resumed>) = ? [pid 6352] +++ exited with 0 +++ [pid 6349] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6357] <... io_uring_enter resumed>) = 4096 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6357] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6357] <... futex resumed>) = 0 [pid 6357] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] exit_group(0 [pid 5865] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6357] <... futex resumed>) = ? [pid 6356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6354] <... exit_group resumed>) = ? [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./43/binderfs" [pid 6357] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] rmdir("./43" [pid 5864] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./46/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./46") = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] mkdir("./47", 0777 [pid 5865] mkdir("./44", 0777 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6363 attached [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6363 [pid 6363] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6363] chdir("./47"./strace-static-x86_64: Process 6364 attached ) = 0 [pid 6364] set_robust_list(0x55558acd66a0, 24 [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6364 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] <... prctl resumed>) = 0 [pid 6364] chdir("./44" [pid 6363] setpgid(0, 0 [pid 6364] <... chdir resumed>) = 0 [pid 6363] <... setpgid resumed>) = 0 [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6364] <... prctl resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6363] write(3, "1000", 4) = 4 [pid 6363] close(3) = 0 [pid 6363] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6363] write(1, "executing program\n", 18) = 18 [pid 6363] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] setpgid(0, 0 [pid 6363] <... futex resumed>) = 0 [pid 6364] <... setpgid resumed>) = 0 [pid 6363] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6364] <... openat resumed>) = 3 [pid 6363] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6364] write(3, "1000", 4 [pid 6363] <... mprotect resumed>) = 0 [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6364] <... write resumed>) = 4 [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6365 attached [pid 6364] close(3 [pid 6363] <... clone3 resumed> => {parent_tid=[6365]}, 88) = 6365 [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6365] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6364] <... close resumed>) = 0 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6365] <... rseq resumed>) = 0 [pid 6364] symlink("/dev/binderfs", "./binderfs" [pid 6363] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... io_uring_enter resumed>) = 4096 [pid 6365] set_robust_list(0x7f44f9fde9a0, 24 [pid 6363] <... futex resumed>) = 0 [pid 6363] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... symlink resumed>) = 0 [pid 6355] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6355] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] exit_group(0 [pid 6359] <... futex resumed>) = ? [pid 6351] <... exit_group resumed>) = ? [pid 6359] +++ exited with 0 +++ [pid 6355] <... futex resumed>) = ? executing program [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6364] write(1, "executing program\n", 18 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... write resumed>) = 18 [pid 6365] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6364] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... io_uring_enter resumed>) = 4096 [pid 6365] <... openat resumed>) = 3 [pid 6364] <... futex resumed>) = 0 [pid 6365] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6358] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] +++ exited with 0 +++ [pid 6351] +++ exited with 0 +++ [pid 6365] <... futex resumed>) = 1 [pid 6364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6365] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6363] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6353] exit_group(0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6365] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... futex resumed>) = ? [pid 6358] <... futex resumed>) = ? [pid 6353] <... exit_group resumed>) = ? [pid 6364] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6365] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6364] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6362] +++ exited with 0 +++ [pid 5866] <... restart_syscall resumed>) = 0 [pid 6365] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6364] <... mprotect resumed>) = 0 [pid 6358] +++ exited with 0 +++ [pid 6353] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6353, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5866] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6365] <... mmap resumed>) = 0x7f44f9f99000 [pid 6364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] <... openat resumed>) = 3 [pid 6365] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] newfstatat(3, "", [pid 6363] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6365] <... mmap resumed>) = 0x7f44f9f59000 [pid 6363] <... futex resumed>) = 0 [pid 5867] newfstatat(3, "", ./strace-static-x86_64: Process 6366 attached [pid 6365] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6366] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6365] <... futex resumed>) = 0 [pid 5866] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6366] <... rseq resumed>) = 0 [pid 6365] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] <... mmap resumed>) = 0x7f44f9f38000 [pid 5867] getdents64(3, [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] set_robust_list(0x7f44f9fde9a0, 24 [pid 6363] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6366] <... set_robust_list resumed>) = 0 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... mprotect resumed>) = 0 [pid 5867] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] unlink("./42/binderfs" [pid 6366] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... unlink resumed>) = 0 [pid 6363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5866] getdents64(3, [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6364] <... clone3 resumed> => {parent_tid=[6366]}, 88) = 6366 [pid 5867] unlink("./45/binderfs" [pid 5866] close(3 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... close resumed>) = 0 [pid 6363] <... clone3 resumed> => {parent_tid=[6367]}, 88) = 6367 [pid 5867] <... unlink resumed>) = 0 [pid 5866] rmdir("./42" [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] getdents64(3, [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6363] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(3 [pid 6363] <... futex resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6363] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] rmdir("./45") = 0 ./strace-static-x86_64: Process 6367 attached [pid 5867] mkdir("./46", 0777 [pid 6364] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 5866] mkdir("./43", 0777 [pid 6366] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6366] <... openat resumed>) = 3 [pid 5866] <... mkdir resumed>) = 0 [pid 6366] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 [pid 6367] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6367] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6368 attached ) = 1 [pid 6363] <... futex resumed>) = 0 [pid 6363] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6365] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6369 attached [pid 6368] set_robust_list(0x55558acd66a0, 24 [pid 6367] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6368 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] set_robust_list(0x55558acd66a0, 24 [pid 6363] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6363] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6368] chdir("./46" [pid 6369] <... set_robust_list resumed>) = 0 [pid 6368] <... chdir resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6369 [pid 6369] chdir("./43" [pid 6366] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6364] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... chdir resumed>) = 0 [pid 6366] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6366] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6368] setpgid(0, 0 [pid 6369] setpgid(0, 0 [pid 6368] <... setpgid resumed>) = 0 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6368] write(3, "1000", 4) = 4 [pid 6368] close(3) = 0 [pid 6368] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6368] write(1, "executing program\n", 18) = 18 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6368] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6368] <... clone3 resumed> => {parent_tid=[6370]}, 88) = 6370 [pid 6368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6368] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6370 attached [pid 6369] <... setpgid resumed>) = 0 [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6370] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6370] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6370] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6370] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6370] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6368] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6368] <... futex resumed>) = 0 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6370] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6370] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 0 [pid 6368] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 1 [pid 6370] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 0 [pid 6368] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 1 [pid 6370] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 0 [pid 6368] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = 1 [pid 6370] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6369] <... openat resumed>) = 3 [pid 6366] <... mmap resumed>) = 0x7f44f9f99000 [pid 6364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6366] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6364] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] write(3, "1000", 4) = 4 [pid 6366] <... mmap resumed>) = 0x7f44f9f59000 [pid 6364] <... futex resumed>) = 0 [pid 6360] <... io_uring_enter resumed>) = 4096 [pid 6369] close(3 [pid 6364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6366] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6364] <... mmap resumed>) = 0x7f44f9f38000 [pid 6366] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6369] <... close resumed>) = 0 [pid 6364] <... mprotect resumed>) = 0 [pid 6364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6369] symlink("/dev/binderfs", "./binderfs" [pid 6364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}executing program ./strace-static-x86_64: Process 6371 attached [pid 6369] <... symlink resumed>) = 0 [pid 6368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6369] write(1, "executing program\n", 18 [pid 6364] <... clone3 resumed> => {parent_tid=[6371]}, 88) = 6371 [pid 6369] <... write resumed>) = 18 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6364] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6364] <... futex resumed>) = 0 [pid 6360] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6364] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6360] <... futex resumed>) = 0 [pid 6356] exit_group(0 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... exit_group resumed>) = ? [pid 6369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6369] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6371] <... rseq resumed>) = 0 [pid 6369] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6371] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6369] <... mprotect resumed>) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6371] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6371] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] <... futex resumed>) = 0 [pid 6360] +++ exited with 0 +++ [pid 6356] +++ exited with 0 +++ [pid 6364] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6364] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6366] <... futex resumed>) = 0 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6364] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6364] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", ./strace-static-x86_64: Process 6372 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6372] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6372] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 6369] <... clone3 resumed> => {parent_tid=[6372]}, 88) = 6372 [pid 6364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] getdents64(3, [pid 6369] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6372] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6369] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... openat resumed>) = 3 [pid 5863] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6372] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6372] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6369] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6369] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] unlink("./44/binderfs" [pid 6372] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6372] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6372] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6372] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... unlink resumed>) = 0 [pid 6369] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6372] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6372] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6369] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6365] <... io_uring_enter resumed>) = 4096 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6369] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] close(3) = 0 [pid 6365] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] rmdir("./44" [pid 6365] <... futex resumed>) = 0 [pid 6363] exit_group(0 [pid 6367] <... futex resumed>) = ? [pid 6363] <... exit_group resumed>) = ? [pid 6367] +++ exited with 0 +++ [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./45", 0777 [pid 6365] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 5863] <... mkdir resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6373 attached [pid 5864] newfstatat(3, "", [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6373 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6373] set_robust_list(0x55558acd66a0, 24 [pid 6369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6366] <... io_uring_enter resumed>) = 4096 [pid 5864] unlink("./47/binderfs" [pid 6373] <... set_robust_list resumed>) = 0 [pid 6373] chdir("./45" [pid 5864] <... unlink resumed>) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./47" [pid 6373] <... chdir resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] mkdir("./48", 0777 [pid 6373] setpgid(0, 0) = 0 [pid 6366] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mkdir resumed>) = 0 [pid 6364] exit_group(0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] <... futex resumed>) = ? [pid 6366] <... futex resumed>) = ? [pid 6364] <... exit_group resumed>) = ? [pid 6371] +++ exited with 0 +++ [pid 6366] +++ exited with 0 +++ [pid 6364] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6364, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6374 ./strace-static-x86_64: Process 6374 attached [pid 6373] <... openat resumed>) = 3 [pid 6370] <... io_uring_enter resumed>) = 4096 [pid 6373] write(3, "1000", 4) = 4 [pid 6373] close(3 [pid 5865] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6374] set_robust_list(0x55558acd66a0, 24 [pid 6373] <... close resumed>) = 0 [pid 6370] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6373] symlink("/dev/binderfs", "./binderfs" [pid 6370] <... futex resumed>) = 0 [pid 6368] exit_group(0 [pid 6374] <... set_robust_list resumed>) = 0 [pid 6368] <... exit_group resumed>) = ? [pid 5865] <... openat resumed>) = 3 [pid 6374] chdir("./48" [pid 5865] newfstatat(3, "", [pid 6374] <... chdir resumed>) = 0 [pid 6373] <... symlink resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./44/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./44") = 0 [pid 5865] mkdir("./45", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] write(1, "executing program\n", 18./strace-static-x86_64: Process 6375 attached [pid 6374] <... prctl resumed>) = 0 executing program [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6375 [pid 6375] set_robust_list(0x55558acd66a0, 24 [pid 6374] setpgid(0, 0 [pid 6373] <... write resumed>) = 18 [pid 6373] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... setpgid resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] <... futex resumed>) = 0 [pid 6370] +++ exited with 0 +++ [pid 6368] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] <... openat resumed>) = 3 [pid 6373] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6374] write(3, "1000", 4 [pid 5867] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] chdir("./45" [pid 6373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6375] <... chdir resumed>) = 0 [pid 6374] <... write resumed>) = 4 [pid 6373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6374] close(3 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 6374] <... close resumed>) = 0 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6375] <... prctl resumed>) = 0 [pid 5867] getdents64(3, executing program [pid 6375] setpgid(0, 0 [pid 6374] symlink("/dev/binderfs", "./binderfs" [pid 6373] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6373] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./46/binderfs" [pid 6374] <... symlink resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 6373] <... mprotect resumed>) = 0 [pid 6375] <... setpgid resumed>) = 0 [pid 6374] write(1, "executing program\n", 18 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6374] <... write resumed>) = 18 [pid 5867] close(3 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... close resumed>) = 0 [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] rmdir("./46"executing program [pid 6375] <... openat resumed>) = 3 [pid 6374] <... futex resumed>) = 0 [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... rmdir resumed>) = 0 [pid 6375] write(3, "1000", 4 [pid 6374] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] mkdir("./47", 0777./strace-static-x86_64: Process 6376 attached [pid 6375] <... write resumed>) = 4 [pid 6374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6373] <... clone3 resumed> => {parent_tid=[6376]}, 88) = 6376 [pid 6375] close(3 [pid 6374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6375] <... close resumed>) = 0 [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] symlink("/dev/binderfs", "./binderfs" [pid 6374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6374] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6373] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... mkdir resumed>) = 0 [pid 6375] write(1, "executing program\n", 18 [pid 6374] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6373] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] <... mprotect resumed>) = 0 [pid 6373] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... write resumed>) = 18 [pid 6374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6377 [pid 6375] <... futex resumed>) = 0 [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6374] <... clone3 resumed> => {parent_tid=[6378]}, 88) = 6378 [pid 6374] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6378 attached NULL, 8) = 0 [pid 6376] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6374] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6377 attached [pid 6378] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6376] <... rseq resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6376] set_robust_list(0x7f44f9fde9a0, 24 [pid 6378] <... rseq resumed>) = 0 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] set_robust_list(0x7f44f9fde9a0, 24 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6377] set_robust_list(0x55558acd66a0, 24 [pid 6378] <... openat resumed>) = 3 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6378] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6378] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6374] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] chdir("./47" [pid 6374] <... futex resumed>) = 0 [pid 6378] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6378] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6376] <... openat resumed>) = 3 [pid 6377] <... chdir resumed>) = 0 [pid 6375] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6376] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... mmap resumed>) = 0x7f44f9f99000 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... futex resumed>) = 1 [pid 6375] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6373] <... futex resumed>) = 0 [pid 6373] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... mprotect resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6373] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6377] <... prctl resumed>) = 0 [pid 6376] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6378] <... mmap resumed>) = 0x7f44f9f59000 [pid 6377] setpgid(0, 0 [pid 6376] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6378] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... setpgid resumed>) = 0 [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6378] <... futex resumed>) = 0 [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6374] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6374] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6379 attached [pid 6376] <... mmap resumed>) = 0x7f44f9f99000 [pid 6378] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6377] <... openat resumed>) = 3 [pid 6376] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6375] <... clone3 resumed> => {parent_tid=[6379]}, 88) = 6379 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6379] <... rseq resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6374] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] set_robust_list(0x7f44f9fde9a0, 24 [pid 6378] <... futex resumed>) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6378] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... mmap resumed>) = 0x7f44f9f59000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... mmap resumed>) = 0x7f44f9f38000 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6376] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = 0 [pid 6374] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6378] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... futex resumed>) = 0 [pid 6373] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6376] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] <... openat resumed>) = 3 [pid 6379] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6379] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... mprotect resumed>) = 0 [pid 6375] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6379] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 1 [pid 6373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6379] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6380 attached [pid 6379] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6377] write(3, "1000", 4 [pid 6380] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6379] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6373] <... clone3 resumed> => {parent_tid=[6380]}, 88) = 6380 [pid 6377] <... write resumed>) = 4 [pid 6380] <... rseq resumed>) = 0 [pid 6379] <... mmap resumed>) = 0x7f44f9f99000 [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6380] set_robust_list(0x7f44f9f589a0, 24 [pid 6379] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] <... mmap resumed>) = 0x7f44f9f59000 [pid 6373] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], [pid 6377] close(3 [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6379] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6380] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = 1 [pid 6377] <... close resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6380] <... futex resumed>) = 0 [pid 6379] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] symlink("/dev/binderfs", "./binderfs" [pid 6380] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6379] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... symlink resumed>) = 0 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = 0 [pid 6377] write(1, "executing program\n", 18 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 1 [pid 6379] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6376] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... futex resumed>) = 0 [pid 6377] <... write resumed>) = 18 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6375] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6379] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6375] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6377] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6377] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6372] <... io_uring_enter resumed>) = 4096 [pid 6377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6381 attached [pid 6381] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6377] <... clone3 resumed> => {parent_tid=[6381]}, 88) = 6381 [pid 6381] <... rseq resumed>) = 0 [pid 6377] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] set_robust_list(0x7f44f9fde9a0, 24 [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6369] exit_group(0 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6377] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6377] <... futex resumed>) = 0 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... futex resumed>) = ? [pid 6369] <... exit_group resumed>) = ? [pid 6381] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6372] +++ exited with 0 +++ [pid 6369] +++ exited with 0 +++ [pid 6381] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6369, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6381] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6381] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6377] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6381] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6381] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6381] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./43/binderfs") = 0 [pid 5866] getdents64(3, [pid 6381] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6381] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] rmdir("./43" [pid 6381] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = 0 [pid 6378] <... io_uring_enter resumed>) = 4096 [pid 6377] <... futex resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6381] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./44", 0777 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... mkdir resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 1 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6381] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6382 attached [pid 6381] <... futex resumed>) = 0 [pid 6378] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] set_robust_list(0x55558acd66a0, 24 [pid 6381] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... futex resumed>) = 0 [pid 6377] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] exit_group(0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6382 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6374] <... exit_group resumed>) = ? [pid 6381] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6377] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] +++ exited with 0 +++ [pid 6374] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6374, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./48/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./48") = 0 [pid 5864] mkdir("./49", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6383 ./strace-static-x86_64: Process 6383 attached [pid 6383] set_robust_list(0x55558acd66a0, 24executing program [pid 6382] <... set_robust_list resumed>) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6383] chdir("./49" [pid 6382] chdir("./44" [pid 6383] <... chdir resumed>) = 0 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6383] setpgid(0, 0) = 0 [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6383] write(3, "1000", 4) = 4 [pid 6383] close(3) = 0 [pid 6383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6383] write(1, "executing program\n", 18) = 18 [pid 6377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6376] <... io_uring_enter resumed>) = 4096 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... chdir resumed>) = 0 [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6376] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6382] setpgid(0, 0 [pid 6383] <... futex resumed>) = 0 [pid 6376] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... setpgid resumed>) = 0 [pid 6373] exit_group(0 [pid 6380] <... futex resumed>) = ? [pid 6373] <... exit_group resumed>) = ? [pid 6380] +++ exited with 0 +++ [pid 6383] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... futex resumed>) = ? [pid 6383] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6383] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6376] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 6383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6382] <... openat resumed>) = 3 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6383] <... clone3 resumed> => {parent_tid=[6384]}, 88) = 6384 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] write(3, "1000", 4 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... write resumed>) = 4 [pid 6383] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6382] close(3 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6382] <... close resumed>) = 0 ./strace-static-x86_64: Process 6384 attached [pid 6382] symlink("/dev/binderfs", "./binderfs" [pid 5863] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6384] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6384] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6384] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6384] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6383] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6384] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6384] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6382] <... symlink resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6384] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6384] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6383] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", [pid 6384] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6383] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = 1 [pid 6384] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6383] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... futex resumed>) = 1 [pid 6384] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0executing program [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./45/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6382] write(1, "executing program\n", 18 [pid 5863] rmdir("./45") = 0 [pid 6382] <... write resumed>) = 18 [pid 5863] mkdir("./46", 0777 [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mkdir resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6375] exit_group(0) = ? [pid 6382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6385 ./strace-static-x86_64: Process 6385 attached [pid 6385] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6385] chdir("./46" [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... chdir resumed>) = 0 [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6385] setpgid(0, 0) = 0 [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6382] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6385] write(3, "1000", 4 [pid 6382] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6385] <... write resumed>) = 4 [pid 6382] <... mprotect resumed>) = 0 [pid 6385] close(3 [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6385] <... close resumed>) = 0 [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6385] symlink("/dev/binderfs", "./binderfs" [pid 6382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}executing program [pid 6385] <... symlink resumed>) = 0 [pid 6385] write(1, "executing program\n", 18 [pid 6382] <... clone3 resumed> => {parent_tid=[6386]}, 88) = 6386 [pid 6385] <... write resumed>) = 18 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6385] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6382] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6382] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6386 attached [pid 6385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... io_uring_enter resumed>) = ? [pid 6385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6386] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] <... rseq resumed>) = 0 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] set_robust_list(0x7f44f9fde9a0, 24 [pid 6385] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6385] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 6385] <... mprotect resumed>) = 0 [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6386] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6386] <... openat resumed>) = 3 [pid 6385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6387 attached [pid 6386] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6385] <... clone3 resumed> => {parent_tid=[6387]}, 88) = 6387 [pid 6382] <... futex resumed>) = 0 [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6385] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 0 [pid 6386] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6385] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6387] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6387] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6387] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6386] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6387] <... openat resumed>) = 3 [pid 6386] <... mmap resumed>) = 0x7f44f9f99000 [pid 6387] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6387] <... futex resumed>) = 1 [pid 6386] <... mmap resumed>) = 0x7f44f9f59000 [pid 6385] <... futex resumed>) = 0 [pid 6386] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6386] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6387] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6385] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6382] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6386] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6386] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6386] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6382] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] +++ exited with 0 +++ [pid 6375] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./45/binderfs") = 0 [pid 6387] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6387] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./45") = 0 [pid 6387] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] mkdir("./46", 0777 [pid 6387] <... mmap resumed>) = 0x7f44f9f59000 [pid 5865] <... mkdir resumed>) = 0 [pid 6385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6387] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6388 attached [pid 6387] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] <... futex resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6388 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6385] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6388] set_robust_list(0x55558acd66a0, 24 [pid 6385] <... mprotect resumed>) = 0 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6388] chdir("./46" [pid 6385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6388] <... chdir resumed>) = 0 [pid 6385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6389 attached [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6389] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 [pid 6388] <... prctl resumed>) = 0 [pid 6385] <... clone3 resumed> => {parent_tid=[6389]}, 88) = 6389 [pid 6385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6388] setpgid(0, 0 [pid 6385] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... setpgid resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6389] set_robust_list(0x7f44f9f589a0, 24 [pid 6388] <... openat resumed>) = 3 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] write(3, "1000", 4) = 4 [pid 6388] close(3) = 0 [pid 6388] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6388] write(1, "executing program\n", 18) = 18 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6388] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6381] <... io_uring_enter resumed>) = 4096 [pid 6389] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] <... futex resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6385] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] exit_group(0 [pid 6381] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... exit_group resumed>) = ? [pid 6385] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = ? [pid 6387] <... futex resumed>) = 0 [pid 6385] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6390 attached [pid 6388] <... clone3 resumed> => {parent_tid=[6390]}, 88) = 6390 [pid 6387] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] +++ exited with 0 +++ [pid 6377] +++ exited with 0 +++ [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6387] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6387] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6385] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6385] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] <... rseq resumed>) = 0 [pid 6388] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] set_robust_list(0x7f44f9fde9a0, 24 [pid 6388] <... futex resumed>) = 0 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6390] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6390] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6390] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6388] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6388] <... futex resumed>) = 0 [pid 6390] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... mmap resumed>) = 0x7f44f9f99000 [pid 6390] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6390] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 1 [pid 6390] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 1 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", [pid 6390] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6384] <... io_uring_enter resumed>) = 4096 [pid 5867] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./47/binderfs" [pid 6384] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 6383] exit_group(0 [pid 6384] <... futex resumed>) = ? [pid 6383] <... exit_group resumed>) = ? [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./47" [pid 6384] +++ exited with 0 +++ [pid 6383] +++ exited with 0 +++ [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./48", 0777 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6383, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6391 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5864] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6391 attached [pid 5864] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./49/binderfs") = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./49") = 0 [pid 5864] mkdir("./50", 0777) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6391] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6392 [pid 6391] chdir("./48") = 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6392 attached [pid 6392] set_robust_list(0x55558acd66a0, 24 [pid 6391] setpgid(0, 0) = 0 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6392] chdir("./50") = 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6391] <... openat resumed>) = 3 [pid 6392] setpgid(0, 0 [pid 6391] write(3, "1000", 4 [pid 6392] <... setpgid resumed>) = 0 [pid 6391] <... write resumed>) = 4 [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] close(3 [pid 6392] <... openat resumed>) = 3 [pid 6391] <... close resumed>) = 0 [pid 6392] write(3, "1000", 4) = 4 executing program [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6392] close(3) = 0 [pid 6392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6392] write(1, "executing program\n", 18) = 18 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6392] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6392] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6393]}, 88) = 6393 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6392] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6393 attached [pid 6393] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6391] <... symlink resumed>) = 0 executing program [pid 6393] <... rseq resumed>) = 0 [pid 6393] set_robust_list(0x7f44f9fde9a0, 24 [pid 6391] write(1, "executing program\n", 18 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6391] <... write resumed>) = 18 [pid 6393] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] <... io_uring_enter resumed>) = 4096 [pid 6393] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6391] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6393] <... openat resumed>) = 3 [pid 6391] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6387] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6385] exit_group(0) = ? [pid 6389] <... futex resumed>) = ? [pid 6389] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 6385] +++ exited with 0 +++ [pid 6393] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6392] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] <... io_uring_enter resumed>) = 4096 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6392] <... futex resumed>) = 0 [pid 6391] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6391] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... restart_syscall resumed>) = 0 [pid 6393] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6391] <... mprotect resumed>) = 0 [pid 6386] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] exit_group(0) = ? [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6386] <... futex resumed>) = ? [pid 6393] <... mmap resumed>) = 0x7f44f9f99000 [pid 6391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6391] <... clone3 resumed> => {parent_tid=[6394]}, 88) = 6394 ./strace-static-x86_64: Process 6394 attached [pid 6394] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6394] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6394] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] +++ exited with 0 +++ [pid 6393] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6382] +++ exited with 0 +++ [pid 5863] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6391] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6382, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6393] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] <... openat resumed>) = 3 [pid 6393] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 1 [pid 5863] newfstatat(3, "", [pid 6394] <... futex resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6394] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6393] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = 0 [pid 6391] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6394] <... futex resumed>) = 0 [pid 6393] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... futex resumed>) = 1 [pid 6394] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6394] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6393] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... mmap resumed>) = 0x7f44f9f99000 [pid 6393] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6394] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... mmap resumed>) = 0x7f44f9f59000 [pid 6393] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6392] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6394] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6392] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... futex resumed>) = 0 [pid 6391] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6391] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... futex resumed>) = 1 [pid 6394] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6391] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... futex resumed>) = 1 [pid 6394] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5863] unlink("./46/binderfs" [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 5863] getdents64(3, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... close resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5863] rmdir("./46") = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] mkdir("./47", 0777 [pid 5866] unlink("./44/binderfs" [pid 5863] <... mkdir resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] getdents64(3, [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6395 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6395 attached [pid 5866] close(3) = 0 [pid 5866] rmdir("./44" [pid 6395] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./45", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6396 ./strace-static-x86_64: Process 6396 attached [pid 6395] chdir("./47") = 0 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6395] setpgid(0, 0) = 0 [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6396] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6396] chdir("./45") = 0 [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6396] setpgid(0, 0) = 0 [pid 6395] write(3, "1000", 4 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] <... write resumed>) = 4 [pid 6395] close(3 [pid 6396] <... openat resumed>) = 3 [pid 6396] write(3, "1000", 4) = 4 [pid 6396] close(3) = 0 [pid 6396] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6395] <... close resumed>) = 0 [pid 6395] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6395] write(1, "executing program\n", 18) = 18 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6396] write(1, "executing program\n", 18 [pid 6395] <... futex resumed>) = 0 [pid 6396] <... write resumed>) = 18 [pid 6395] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6396] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6395] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6395] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6395] <... mprotect resumed>) = 0 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6397 attached [pid 6396] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6396] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6395] <... clone3 resumed> => {parent_tid=[6397]}, 88) = 6397 [pid 6396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6397] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] <... rseq resumed>) = 0 [pid 6396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6395] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6398 attached [pid 6397] set_robust_list(0x7f44f9fde9a0, 24 [pid 6395] <... futex resumed>) = 0 [pid 6398] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6396] <... clone3 resumed> => {parent_tid=[6398]}, 88) = 6398 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... rseq resumed>) = 0 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] set_robust_list(0x7f44f9fde9a0, 24 [pid 6397] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6396] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] <... openat resumed>) = 3 [pid 6396] <... futex resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6397] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6395] <... futex resumed>) = 0 [pid 6398] <... openat resumed>) = 3 [pid 6395] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6395] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6397] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6396] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6397] <... mmap resumed>) = 0x7f44f9f99000 [pid 6397] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6397] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6398] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6397] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6398] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6398] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6398] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6390] <... io_uring_enter resumed>) = 4096 [pid 6396] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 1 [pid 6398] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 0 [pid 6398] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 1 [pid 6397] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6396] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... futex resumed>) = 0 [pid 6397] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] <... futex resumed>) = 1 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6395] <... futex resumed>) = 0 [pid 6395] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] exit_group(0) = ? [pid 6396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6390] +++ exited with 0 +++ [pid 6388] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./46/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 6395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] rmdir("./46") = 0 [pid 5865] mkdir("./47", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6399 attached [pid 6399] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6399] chdir("./47") = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6399] setpgid(0, 0) = 0 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6399 [pid 6399] write(3, "1000", 4) = 4 [pid 6399] close(3) = 0 executing program [pid 6399] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6399] write(1, "executing program\n", 18) = 18 [pid 6399] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6394] <... io_uring_enter resumed>) = 4096 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6399] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6394] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6394] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] exit_group(0) = ? [pid 6394] <... futex resumed>) = ? [pid 6393] <... io_uring_enter resumed>) = 4096 [pid 6393] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6393] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6392] exit_group(0) = ? [pid 6393] <... futex resumed>) = ? [pid 6394] +++ exited with 0 +++ [pid 6391] +++ exited with 0 +++ [pid 6399] <... clone3 resumed> => {parent_tid=[6400]}, 88) = 6400 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6399] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./48/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./48") = 0 [pid 5867] mkdir("./49", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6401 ./strace-static-x86_64: Process 6401 attached [pid 6401] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6401] chdir("./49") = 0 [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6400 attached ) = 0 [pid 6393] +++ exited with 0 +++ [pid 6392] +++ exited with 0 +++ [pid 6401] setpgid(0, 0 [pid 6400] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6401] <... setpgid resumed>) = 0 [pid 6400] <... rseq resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6392, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] set_robust_list(0x7f44f9fde9a0, 24 [pid 6401] <... openat resumed>) = 3 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6401] write(3, "1000", 4) = 4 [pid 6401] close(3) = 0 [pid 6401] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6401] write(1, "executing program\n", 18) = 18 [pid 6401] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6401] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6401] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5864] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] <... set_robust_list resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] getdents64(3, [pid 6401] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6401] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6401] <... mprotect resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5864] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6401] <... clone3 resumed> => {parent_tid=[6402]}, 88) = 6402 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] unlink("./50/binderfs" [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6401] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6401] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6401] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(3) = 0 [pid 5864] rmdir("./50") = 0 [pid 5864] mkdir("./51", 0777./strace-static-x86_64: Process 6402 attached [pid 6400] <... openat resumed>) = 3 [pid 6399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... mkdir resumed>) = 0 [pid 6399] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6400] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6402] <... rseq resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] set_robust_list(0x7f44f9fde9a0, 24 [pid 6400] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6399] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x55558acd6690) = 6403 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6404]}, 88) = 6404 ./strace-static-x86_64: Process 6404 attached ./strace-static-x86_64: Process 6403 attached [pid 6402] <... set_robust_list resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6404] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6403] set_robust_list(0x55558acd66a0, 24 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] chdir("./51" [pid 6399] <... futex resumed>) = 0 [pid 6403] <... chdir resumed>) = 0 [pid 6399] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6403] setpgid(0, 0) = 0 [pid 6404] <... rseq resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6404] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6403] <... openat resumed>) = 3 [pid 6402] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6401] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] write(3, "1000", 4 [pid 6402] <... openat resumed>) = 3 [pid 6401] <... futex resumed>) = 0 [pid 6404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... write resumed>) = 4 [pid 6402] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] <... io_uring_enter resumed>) = 4096 [pid 6404] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6403] close(3 [pid 6402] <... futex resumed>) = 0 [pid 6401] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6403] <... close resumed>) = 0 [pid 6401] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6404] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6403] symlink("/dev/binderfs", "./binderfs" [pid 6402] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] <... mprotect resumed>) = 0 [pid 6404] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6403] <... symlink resumed>) = 0 [pid 6401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6397] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] exit_group(0executing program [pid 6403] write(1, "executing program\n", 18 [pid 6401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6395] <... exit_group resumed>) = ? [pid 6403] <... write resumed>) = 18 [pid 6401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6403] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6401] <... clone3 resumed> => {parent_tid=[6405]}, 88) = 6405 [pid 6403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6404] <... mmap resumed>) = 0x7f44f9f78000 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] <... futex resumed>) = ? ./strace-static-x86_64: Process 6405 attached [pid 6404] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6404] <... mmap resumed>) = 0x7f44f9f38000 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] <... io_uring_enter resumed>) = 4096 [pid 6397] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 6405] <... rseq resumed>) = 0 [pid 6404] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6401] <... futex resumed>) = 0 [pid 6405] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6404] <... futex resumed>) = 1 [pid 6403] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6401] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... futex resumed>) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6405] <... set_robust_list resumed>) = 0 [pid 6404] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... mprotect resumed>) = 0 [pid 6399] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6405] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6400] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 1 [pid 6405] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6400] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6403] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... futex resumed>) = 0 [pid 5863] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... mmap resumed>) = 0x7f44f9f78000 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6400] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] exit_group(0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6406 attached [pid 6405] <... mmap resumed>) = 0x7f44f9f38000 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = ? [pid 6396] <... exit_group resumed>) = ? [pid 5863] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6405] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] +++ exited with 0 +++ [pid 6396] +++ exited with 0 +++ [pid 6405] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 6405] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 1 [pid 6402] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6402] <... futex resumed>) = 0 [pid 6400] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6399] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(3, "", [pid 6402] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... openat resumed>) = 3 [pid 6401] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 1 [pid 5866] newfstatat(3, "", [pid 6402] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 5863] getdents64(3, [pid 6402] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6402] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6399] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] getdents64(3, [pid 5863] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6401] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6401] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6402] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 1 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6402] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6401] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] unlink("./45/binderfs" [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5863] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5866] rmdir("./45") = 0 [pid 5866] mkdir("./46", 0777 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6407 [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6403] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6407 attached [pid 6406] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5863] unlink("./47/binderfs"./strace-static-x86_64: Process 6408 attached [pid 6407] set_robust_list(0x55558acd66a0, 24 [pid 5863] <... unlink resumed>) = 0 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6403] <... clone3 resumed> => {parent_tid=[6408]}, 88) = 6408 [pid 6408] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6407] chdir("./46" [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... rseq resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6403] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] <... prctl resumed>) = 0 [pid 6406] <... rseq resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] getdents64(3, [pid 6407] setpgid(0, 0 [pid 6403] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... setpgid resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6407] write(3, "1000", 4) = 4 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] close(3 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] <... close resumed>) = 0 [pid 6408] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6407] symlink("/dev/binderfs", "./binderfs"executing program [pid 6408] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 6407] <... symlink resumed>) = 0 [pid 6406] set_robust_list(0x7f44f9fde9a0, 24 [pid 6401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6406] <... set_robust_list resumed>) = 0 [pid 5863] close(3 [pid 6407] write(1, "executing program\n", 18 [pid 6406] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... close resumed>) = 0 [pid 6407] <... write resumed>) = 18 [pid 6406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] rmdir("./47" [pid 6408] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./48", 0777 [pid 6406] <... openat resumed>) = 4 [pid 5863] <... mkdir resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6406] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] <... mmap resumed>) = 0x7f44f9f78000 [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000 [pid 6407] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6403] <... futex resumed>) = 0 [pid 6408] <... mmap resumed>) = 0x7f44f9f38000 [pid 6407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6408] <... futex resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6407] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6409 attached => {parent_tid=[6409]}, 88) = 6409 [pid 6406] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6406] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6410 [pid 6409] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6406] <... futex resumed>) = 0 [pid 6403] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] <... futex resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6410 attached [pid 6409] <... rseq resumed>) = 0 [pid 6407] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] set_robust_list(0x7f44f9fde9a0, 24 [pid 6407] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] io_uring_enter(3, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6403] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] <... futex resumed>) = 0 [pid 6403] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] set_robust_list(0x55558acd66a0, 24 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6409] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6410] chdir("./48") = 0 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6410] setpgid(0, 0 [pid 6409] <... openat resumed>) = 3 [pid 6410] <... setpgid resumed>) = 0 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6410] write(3, "1000", 4) = 4 [pid 6410] close(3) = 0 [pid 6410] symlink("/dev/binderfs", "./binderfs" [pid 6409] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6410] <... symlink resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6407] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] write(1, "executing program\n", 18 [pid 6407] <... futex resumed>) = 0 [pid 6410] <... write resumed>) = 18 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6410] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6410] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6409] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6409] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6410] <... clone3 resumed> => {parent_tid=[6412]}, 88) = 6412 [pid 6409] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6409] <... mmap resumed>) = 0x7f44f9f99000 [pid 6410] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000./strace-static-x86_64: Process 6412 attached [pid 6410] <... futex resumed>) = 0 [pid 6409] <... mmap resumed>) = 0x7f44f9f59000 [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6409] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 6412] <... rseq resumed>) = 0 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] set_robust_list(0x7f44f9fde9a0, 24 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] <... set_robust_list resumed>) = 0 [pid 6407] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] <... futex resumed>) = 0 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6412] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6410] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 6410] <... futex resumed>) = 0 [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6409] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6412] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6412] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6409] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6409] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6407] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6412] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6412] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = 1 [pid 6412] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 0 [pid 6412] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6410] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6407] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6400] <... io_uring_enter resumed>) = 4096 [pid 6410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6402] <... io_uring_enter resumed>) = 4096 [pid 6406] <... io_uring_enter resumed>) = 4096 [pid 6400] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] exit_group(0) = ? [pid 6404] <... futex resumed>) = ? [pid 6400] <... futex resumed>) = ? [pid 6402] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6402] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] exit_group(0 [pid 6405] <... futex resumed>) = ? [pid 6402] <... futex resumed>) = ? [pid 6401] <... exit_group resumed>) = ? [pid 6405] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 6401] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6404] +++ exited with 0 +++ [pid 5867] unlink("./49/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./49") = 0 [pid 5867] mkdir("./50", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6413 ./strace-static-x86_64: Process 6413 attached [pid 6413] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6413] chdir("./50" [pid 6406] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] +++ exited with 0 +++ [pid 6399] +++ exited with 0 +++ [pid 6403] exit_group(0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6408] <... futex resumed>) = ? [pid 6403] <... exit_group resumed>) = ? [pid 6406] <... futex resumed>) = ? [pid 6408] +++ exited with 0 +++ [pid 5865] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./47/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6413] <... chdir resumed>) = 0 [pid 5865] close(3 [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... close resumed>) = 0 [pid 6413] <... prctl resumed>) = 0 [pid 5865] rmdir("./47" [pid 6413] setpgid(0, 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6413] <... setpgid resumed>) = 0 [pid 5865] mkdir("./48", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6414 ./strace-static-x86_64: Process 6414 attached [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6413] write(3, "1000", 4) = 4 [pid 6413] close(3) = 0 [pid 6414] set_robust_list(0x55558acd66a0, 24 [pid 6413] symlink("/dev/binderfs", "./binderfs"executing program [pid 6414] <... set_robust_list resumed>) = 0 [pid 6413] <... symlink resumed>) = 0 [pid 6413] write(1, "executing program\n", 18) = 18 [pid 6413] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6414] chdir("./48" [pid 6413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6414] <... chdir resumed>) = 0 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6414] setpgid(0, 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] <... setpgid resumed>) = 0 [pid 6413] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6413] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6414] <... openat resumed>) = 3 [pid 6413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6414] write(3, "1000", 4) = 4 [pid 6413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6414] close(3 [pid 6413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6414] <... close resumed>) = 0 ./strace-static-x86_64: Process 6415 attached [pid 6414] symlink("/dev/binderfs", "./binderfs" [pid 6415] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6415] set_robust_list(0x7f44f9fde9a0, 24 [pid 6414] <... symlink resumed>) = 0 [pid 6413] <... clone3 resumed> => {parent_tid=[6415]}, 88) = 6415 [pid 6414] write(1, "executing program\n", 18 executing program [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] <... write resumed>) = 18 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 0 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6414] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6415] <... openat resumed>) = 3 [pid 6414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6415] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] <... futex resumed>) = 1 [pid 6414] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6413] <... futex resumed>) = 0 [pid 6415] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6413] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... mprotect resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6413] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6415] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6416 attached [pid 6415] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6414] <... clone3 resumed> => {parent_tid=[6416]}, 88) = 6416 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6414] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6416] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6416] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6415] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6416] <... openat resumed>) = 3 [pid 6415] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6413] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mmap resumed>) = 0x7f44f9f59000 [pid 6413] <... mmap resumed>) = 0x7f44f9f38000 [pid 6415] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6417 attached [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6417] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6415] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... clone3 resumed> => {parent_tid=[6417]}, 88) = 6417 [pid 6417] <... rseq resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6417] set_robust_list(0x7f44f9f589a0, 24 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6413] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... futex resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6417] <... futex resumed>) = 0 [pid 6413] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6415] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 1 [pid 6415] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6414] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6416] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=36000000} [pid 6413] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6409] <... io_uring_enter resumed>) = 4096 [pid 6416] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6416] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6416] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6414] <... futex resumed>) = 0 [pid 6416] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6416] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 1 [pid 6416] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... futex resumed>) = 0 [pid 6416] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6414] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6409] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] exit_group(0 [pid 6409] <... futex resumed>) = ? [pid 6407] <... exit_group resumed>) = ? [pid 6412] <... io_uring_enter resumed>) = 4096 [pid 6409] +++ exited with 0 +++ [pid 6407] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6407, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5866] unlink("./46/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./46") = 0 [pid 5866] mkdir("./47", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6418 ./strace-static-x86_64: Process 6418 attached [pid 6418] set_robust_list(0x55558acd66a0, 24 [pid 6412] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6418] chdir("./47") = 0 [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6418] setpgid(0, 0 [pid 6410] exit_group(0 [pid 6418] <... setpgid resumed>) = 0 [pid 6410] <... exit_group resumed>) = ? [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6418] write(3, "1000", 4) = 4 [pid 6418] close(3) = 0 [pid 6418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6418] write(1, "executing program\n", 18) = 18 [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6418] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6418] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6412] <... futex resumed>) = ? [pid 6418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6419]}, 88) = 6419 ./strace-static-x86_64: Process 6419 attached [pid 6418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6418] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6412] +++ exited with 0 +++ [pid 6410] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6419] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5863] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6419] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6419] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6418] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6419] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5863] <... openat resumed>) = 3 [pid 6419] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] newfstatat(3, "", [pid 6419] <... mmap resumed>) = 0x7f44f9f59000 [pid 6419] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6419] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = 0 [pid 6419] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] <... futex resumed>) = 0 [pid 6419] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6419] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6419] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 1 [pid 6419] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6418] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./48/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] rmdir("./48") = 0 [pid 5863] mkdir("./49", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6420 ./strace-static-x86_64: Process 6420 attached [pid 6420] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6420] chdir("./49") = 0 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6420] setpgid(0, 0) = 0 [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6420] write(3, "1000", 4) = 4 [pid 6420] close(3) = 0 [pid 6420] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6420] write(1, "executing program\n", 18) = 18 [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6420] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6420] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6421 attached => {parent_tid=[6421]}, 88) = 6421 [pid 6420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6420] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6415] <... io_uring_enter resumed>) = 4096 [pid 6421] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], [pid 6416] <... io_uring_enter resumed>) = 4096 [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6421] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6415] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... openat resumed>) = 3 [pid 6415] <... futex resumed>) = 0 [pid 6421] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6415] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... futex resumed>) = 0 [pid 6421] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6421] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6413] exit_group(0 [pid 6421] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6417] <... futex resumed>) = ? [pid 6415] <... futex resumed>) = ? [pid 6413] <... exit_group resumed>) = ? [pid 6421] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] +++ exited with 0 +++ [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6421] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6421] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 1 [pid 6421] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... futex resumed>) = 0 [pid 6421] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6420] <... futex resumed>) = 0 [pid 6420] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6414] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6413, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6414] <... exit_group resumed>) = ? [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./50/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6416] <... futex resumed>) = ? [pid 5867] close(3) = 0 [pid 5867] rmdir("./50" [pid 6416] +++ exited with 0 +++ [pid 6414] +++ exited with 0 +++ [pid 5867] <... rmdir resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6414, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] mkdir("./51", 0777 [pid 6420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6423 ./strace-static-x86_64: Process 6423 attached [pid 6423] set_robust_list(0x55558acd66a0, 24 [pid 5865] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./48/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./48") = 0 [pid 5865] mkdir("./49", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6424 ./strace-static-x86_64: Process 6424 attached [pid 6424] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6424] chdir("./49") = 0 [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6424] setpgid(0, 0) = 0 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6424] write(3, "1000", 4 [pid 6423] chdir("./51" [pid 6424] <... write resumed>) = 4 [pid 6424] close(3) = 0 [pid 6424] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6424] write(1, "executing program\n", 18) = 18 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6424] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6425 attached => {parent_tid=[6425]}, 88) = 6425 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6424] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6425] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6425] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6423] <... chdir resumed>) = 0 [pid 6425] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6425] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... futex resumed>) = 0 [pid 6424] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 1 [pid 6425] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6423] setpgid(0, 0 [pid 6419] <... io_uring_enter resumed>) = 4096 [pid 6425] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... setpgid resumed>) = 0 [pid 6425] <... mmap resumed>) = 0x7f44f9f99000 [pid 6425] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6425] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6424] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6424] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6424] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6423] <... openat resumed>) = 3 [pid 6423] write(3, "1000", 4) = 4 [pid 6423] close(3) = 0 [pid 6419] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] symlink("/dev/binderfs", "./binderfs" [pid 6419] <... futex resumed>) = 0 [pid 6418] exit_group(0executing program [pid 6423] <... symlink resumed>) = 0 [pid 6418] <... exit_group resumed>) = ? [pid 6423] write(1, "executing program\n", 18) = 18 [pid 6419] +++ exited with 0 +++ [pid 6418] +++ exited with 0 +++ [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6423] <... futex resumed>) = 0 [pid 6423] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] newfstatat(3, "", [pid 6423] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6423] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./47/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./47") = 0 [pid 5866] mkdir("./48", 0777 [pid 6423] <... mprotect resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6426 ./strace-static-x86_64: Process 6426 attached [pid 6426] set_robust_list(0x55558acd66a0, 24 [pid 6424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 6426] <... set_robust_list resumed>) = 0 [pid 6423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6426] chdir("./48") = 0 [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6426] setpgid(0, 0) = 0 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6426] write(3, "1000", 4) = 4 [pid 6426] close(3) = 0 [pid 6426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6426] write(1, "executing program\n", 18) = 18 [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6426] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6426] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6428 attached ./strace-static-x86_64: Process 6427 attached [pid 6423] <... clone3 resumed> => {parent_tid=[6427]}, 88) = 6427 [pid 6426] <... clone3 resumed> => {parent_tid=[6428]}, 88) = 6428 [pid 6426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6426] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6428] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6428] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6428] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6428] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6428] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6428] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] <... rseq resumed>) = 0 [pid 6423] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] set_robust_list(0x7f44f9fde9a0, 24 [pid 6423] <... futex resumed>) = 0 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6428] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6428] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] <... openat resumed>) = 3 [pid 6426] <... futex resumed>) = 0 [pid 6428] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... io_uring_enter resumed>) = 4096 [pid 6428] <... futex resumed>) = 0 [pid 6427] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] <... futex resumed>) = 0 [pid 6428] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... futex resumed>) = 0 [pid 6421] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6421] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] exit_group(0) = ? [pid 6421] <... futex resumed>) = ? [pid 6427] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] +++ exited with 0 +++ [pid 6420] +++ exited with 0 +++ [pid 6427] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6427] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6427] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", [pid 6427] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, [pid 6427] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6427] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6427] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 6427] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6427] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6427] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6427] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = 1 [pid 6427] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... futex resumed>) = 0 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] <... futex resumed>) = 0 [pid 6427] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6423] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] unlink("./49/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./49") = 0 [pid 5863] mkdir("./50", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6429 ./strace-static-x86_64: Process 6429 attached [pid 6429] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6429] chdir("./50") = 0 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6429] setpgid(0, 0) = 0 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6429] write(3, "1000", 4) = 4 [pid 6429] close(3) = 0 [pid 6429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6429] write(1, "executing program\n", 18) = 18 [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6429] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6430]}, 88) = 6430 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6430 attached [pid 6429] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6430] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6430] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6430] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6429] <... futex resumed>) = 0 [pid 6430] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6429] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6429] <... futex resumed>) = 0 [pid 6430] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6430] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6430] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6429] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6430] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6430] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 1 [pid 6430] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6430] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... io_uring_enter resumed>) = 4096 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 1 [pid 6430] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6429] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6425] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] exit_group(0) = ? [pid 6425] <... futex resumed>) = ? [pid 6425] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6427] <... io_uring_enter resumed>) = 4096 [pid 5865] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./49/binderfs" [pid 6427] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6427] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] exit_group(0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 6423] <... exit_group resumed>) = ? [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6427] <... futex resumed>) = ? [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./49" [pid 6427] +++ exited with 0 +++ [pid 6423] +++ exited with 0 +++ [pid 5865] <... rmdir resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6423, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] mkdir("./50", 0777 [pid 5867] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6431 ./strace-static-x86_64: Process 6431 attached [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6431] set_robust_list(0x55558acd66a0, 24 [pid 5867] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6431] <... set_robust_list resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6431] chdir("./50" [pid 5867] newfstatat(AT_FDCWD, "./51/binderfs", [pid 6431] <... chdir resumed>) = 0 executing program [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6428] <... io_uring_enter resumed>) = 4096 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6428] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... prctl resumed>) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6431] setpgid(0, 0 [pid 6428] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] <... setpgid resumed>) = 0 [pid 5867] unlink("./51/binderfs" [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... unlink resumed>) = 0 [pid 6431] <... openat resumed>) = 3 [pid 6426] exit_group(0) = ? [pid 6431] write(3, "1000", 4) = 4 [pid 6431] close(3) = 0 [pid 6428] <... futex resumed>) = ? [pid 6431] symlink("/dev/binderfs", "./binderfs" [pid 6428] +++ exited with 0 +++ [pid 6431] <... symlink resumed>) = 0 [pid 6431] write(1, "executing program\n", 18) = 18 [pid 5867] getdents64(3, [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6431] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./51") = 0 [pid 5867] mkdir("./52", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6432 ./strace-static-x86_64: Process 6432 attached [pid 6431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6432] set_robust_list(0x55558acd66a0, 24 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6426] +++ exited with 0 +++ [pid 6432] chdir("./52" [pid 6431] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6432] <... chdir resumed>) = 0 [pid 6431] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6431] <... mprotect resumed>) = 0 [pid 6432] <... prctl resumed>) = 0 [pid 6432] setpgid(0, 0 [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... restart_syscall resumed>) = 0 [pid 6431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6432] <... setpgid resumed>) = 0 [pid 6432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] write(3, "1000", 4 [pid 5866] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6432] <... write resumed>) = 4 [pid 5866] <... openat resumed>) = 3 [pid 6432] close(3) = 0 [pid 6432] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6432] write(1, "executing program\n", 18) = 18 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6432] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] newfstatat(3, "", [pid 6432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 ./strace-static-x86_64: Process 6433 attached [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6432] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6431] <... clone3 resumed> => {parent_tid=[6433]}, 88) = 6433 [pid 6433] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6433] <... rseq resumed>) = 0 [pid 6432] <... mprotect resumed>) = 0 [pid 6432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6433] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6434 attached => {parent_tid=[6434]}, 88) = 6434 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6432] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6434] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... io_uring_enter resumed>) = 4096 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6433] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6431] <... futex resumed>) = 0 [pid 6430] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] unlink("./48/binderfs" [pid 6433] <... openat resumed>) = 3 [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] exit_group(0 [pid 5866] <... unlink resumed>) = 0 [pid 6433] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 5866] getdents64(3, [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] <... futex resumed>) = 0 [pid 6431] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] +++ exited with 0 +++ [pid 6429] +++ exited with 0 +++ [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6433] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6431] <... futex resumed>) = 0 [pid 5866] close(3 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6433] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... close resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6433] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] rmdir("./48" [pid 6433] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... rmdir resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6433] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] mkdir("./49", 0777 [pid 6433] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... mkdir resumed>) = 0 [pid 6433] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6435 attached [pid 6433] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] set_robust_list(0x55558acd66a0, 24 [pid 6433] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6435 [pid 5863] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6435] <... set_robust_list resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6435] chdir("./49" [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] newfstatat(3, "", [pid 6435] <... chdir resumed>) = 0 [pid 6434] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6433] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6435] <... prctl resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6435] setpgid(0, 0 [pid 6433] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6435] <... setpgid resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6433] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6435] <... openat resumed>) = 3 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6435] write(3, "1000", 4 [pid 6433] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6431] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] unlink("./50/binderfs" [pid 6434] <... openat resumed>) = 3 [pid 5863] <... unlink resumed>) = 0 [pid 6434] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, [pid 6435] <... write resumed>) = 4 [pid 6434] <... futex resumed>) = 1 [pid 6432] <... futex resumed>) = 0 [pid 6435] close(3 [pid 6434] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6432] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6435] <... close resumed>) = 0 executing program [pid 6435] symlink("/dev/binderfs", "./binderfs" [pid 6434] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6432] <... futex resumed>) = 0 [pid 5863] close(3 [pid 6435] <... symlink resumed>) = 0 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] write(1, "executing program\n", 18 [pid 6434] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5863] <... close resumed>) = 0 [pid 6435] <... write resumed>) = 18 [pid 5863] rmdir("./50" [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6434] <... mmap resumed>) = 0x7f44f9f99000 [pid 5863] <... rmdir resumed>) = 0 [pid 6435] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6434] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5863] mkdir("./51", 0777 [pid 6435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6434] <... mmap resumed>) = 0x7f44f9f59000 [pid 5863] <... mkdir resumed>) = 0 [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6434] <... futex resumed>) = 1 [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6435] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6434] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6436 attached [pid 6435] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... futex resumed>) = 0 [pid 6435] <... mprotect resumed>) = 0 [pid 6435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6436 [pid 6435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6434] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] <... clone3 resumed> => {parent_tid=[6437]}, 88) = 6437 [pid 6434] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] <... futex resumed>) = 0 [pid 6435] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] <... futex resumed>) = 0 [pid 6434] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] set_robust_list(0x55558acd66a0, 24 [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6437 attached [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6432] <... futex resumed>) = 0 [pid 6437] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6432] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... set_robust_list resumed>) = 0 [pid 6436] chdir("./51"executing program ) = 0 [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6436] setpgid(0, 0) = 0 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6436] write(3, "1000", 4) = 4 [pid 6436] close(3) = 0 [pid 6437] <... rseq resumed>) = 0 [pid 6436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6436] write(1, "executing program\n", 18) = 18 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6436] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6436] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6437] set_robust_list(0x7f44f9fde9a0, 24 [pid 6436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6437] <... set_robust_list resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6436] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6436] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6438 attached [pid 6437] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6438] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6437] <... openat resumed>) = 3 [pid 6438] <... rseq resumed>) = 0 [pid 6437] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] set_robust_list(0x7f44f9fde9a0, 24 [pid 6437] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6437] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... futex resumed>) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6438] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6437] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6438] <... openat resumed>) = 3 [pid 6437] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6438] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6437] <... mmap resumed>) = 0x7f44f9f99000 [pid 6436] <... futex resumed>) = 0 [pid 6438] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] <... futex resumed>) = 0 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6438] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6438] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6437] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6438] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6437] <... mmap resumed>) = 0x7f44f9f59000 [pid 6438] <... mmap resumed>) = 0x7f44f9f59000 [pid 6437] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6435] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... futex resumed>) = 0 [pid 6435] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 1 [pid 6437] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6438] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = 0 [pid 6436] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6437] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... futex resumed>) = 1 [pid 6437] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6436] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6438] <... futex resumed>) = 0 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6436] <... futex resumed>) = 0 [pid 6436] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6433] <... io_uring_enter resumed>) = 4096 [pid 6433] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6433] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] exit_group(0 [pid 6433] <... futex resumed>) = ? [pid 6431] <... exit_group resumed>) = ? [pid 6433] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./50/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./50") = 0 [pid 5865] mkdir("./51", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6439 ./strace-static-x86_64: Process 6439 attached [pid 6439] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6439] chdir("./51") = 0 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6439] setpgid(0, 0) = 0 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6439] write(3, "1000", 4) = 4 [pid 6439] close(3) = 0 executing program [pid 6439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6439] write(1, "executing program\n", 18) = 18 [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6434] <... io_uring_enter resumed>) = 4096 [pid 6439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6439] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6440]}, 88) = 6440 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6439] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6434] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6440 attached [pid 6432] exit_group(0) = ? [pid 6434] <... futex resumed>) = ? [pid 6434] +++ exited with 0 +++ [pid 6432] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6432, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6440] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6440] set_robust_list(0x7f44f9fde9a0, 24 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./52/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./52") = 0 [pid 5867] mkdir("./53", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6441 attached [pid 6440] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6441] set_robust_list(0x55558acd66a0, 24 [pid 6440] <... openat resumed>) = 3 [pid 6437] <... io_uring_enter resumed>) = 4096 [pid 6441] <... set_robust_list resumed>) = 0 [pid 6441] chdir("./53") = 0 [pid 6440] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6441 [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6441] setpgid(0, 0) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6441] write(3, "1000", 4) = 4 [pid 6441] close(3) = 0 [pid 6441] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6441] write(1, "executing program\n", 18) = 18 [pid 6437] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 0 [pid 6437] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6440] <... futex resumed>) = 1 [pid 6439] <... futex resumed>) = 0 [pid 6438] <... io_uring_enter resumed>) = 4096 [pid 6435] exit_group(0 [pid 6439] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6439] <... futex resumed>) = 0 [pid 6435] <... exit_group resumed>) = ? [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643./strace-static-x86_64: Process 6442 attached [pid 6441] <... clone3 resumed> => {parent_tid=[6442]}, 88) = 6442 [pid 6437] <... futex resumed>) = ? [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] +++ exited with 0 +++ [pid 6435] +++ exited with 0 +++ [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6435, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6441] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6441] <... futex resumed>) = 0 [pid 6442] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... rseq resumed>) = 0 [pid 6442] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6442] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6442] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6441] <... futex resumed>) = 0 [pid 6441] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6441] <... futex resumed>) = 0 [pid 6442] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./49/binderfs" [pid 6440] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] <... unlink resumed>) = 0 [pid 6440] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6438] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6438] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] <... mmap resumed>) = 0x7f44f9f99000 [pid 6438] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] close(3 [pid 6440] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... close resumed>) = 0 [pid 6440] <... mmap resumed>) = 0x7f44f9f59000 [pid 6436] exit_group(0 [pid 5866] rmdir("./49" [pid 6440] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = ? [pid 6436] <... exit_group resumed>) = ? [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./50", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6443 attached [pid 6442] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6443 [pid 6443] set_robust_list(0x55558acd66a0, 24 [pid 6442] <... mmap resumed>) = 0x7f44f9f99000 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6443] chdir("./50" [pid 6442] <... mmap resumed>) = 0x7f44f9f59000 [pid 6443] <... chdir resumed>) = 0 [pid 6442] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6442] <... futex resumed>) = 1 [pid 6441] <... futex resumed>) = 0 [pid 6443] <... prctl resumed>) = 0 [pid 6442] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] setpgid(0, 0 [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 0 [pid 6443] <... setpgid resumed>) = 0 [pid 6442] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 1 [pid 6443] <... openat resumed>) = 3 [pid 6442] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] write(3, "1000", 4 [pid 6442] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] <... write resumed>) = 4 [pid 6442] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] close(3 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... futex resumed>) = 0 [pid 6443] <... close resumed>) = 0 [pid 6442] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6441] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6440] <... futex resumed>) = 1 [pid 6439] <... futex resumed>) = 0 executing program [pid 6443] write(1, "executing program\n", 18 [pid 6439] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] +++ exited with 0 +++ [pid 6439] <... futex resumed>) = 0 [pid 6436] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6436, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6443] <... write resumed>) = 18 [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6443] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6443] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5863] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... mprotect resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6443] <... clone3 resumed> => {parent_tid=[6444]}, 88) = 6444 [pid 5863] getdents64(3, [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] <... futex resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./51/binderfs", ./strace-static-x86_64: Process 6444 attached [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6444] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5863] unlink("./51/binderfs" [pid 6444] <... rseq resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6444] set_robust_list(0x7f44f9fde9a0, 24 [pid 5863] getdents64(3, [pid 6444] <... set_robust_list resumed>) = 0 [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6444] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] close(3 [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... close resumed>) = 0 [pid 6444] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5863] rmdir("./51" [pid 6444] <... openat resumed>) = 3 [pid 5863] <... rmdir resumed>) = 0 [pid 6444] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mkdir("./52", 0777 [pid 6444] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6443] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6445 attached [pid 6445] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6445] chdir("./52" [pid 6444] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6445] <... chdir resumed>) = 0 [pid 6444] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6440] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6445 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 0 [pid 6445] setpgid(0, 0 [pid 6444] <... mmap resumed>) = 0x7f44f9f99000 [pid 6440] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] <... setpgid resumed>) = 0 [pid 6444] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6439] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6440] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6439] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6444] <... mmap resumed>) = 0x7f44f9f59000 [pid 6445] <... openat resumed>) = 3 [pid 6445] write(3, "1000", 4 [pid 6444] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... write resumed>) = 4 [pid 6444] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 6445] close(3 [pid 6443] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... close resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6445] symlink("/dev/binderfs", "./binderfs" [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... symlink resumed>) = 0 executing program [pid 6445] write(1, "executing program\n", 18 [pid 6444] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6445] <... write resumed>) = 18 [pid 6444] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6445] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6444] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6443] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6444] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6445] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6443] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6446]}, 88) = 6446 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6445] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6446 attached [pid 6446] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6446] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6446] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6446] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6445] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6446] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6446] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6446] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6445] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6445] <... futex resumed>) = 0 [pid 6445] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... futex resumed>) = 0 [pid 6445] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6445] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] <... futex resumed>) = 1 [pid 6446] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6445] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6442] <... io_uring_enter resumed>) = 4096 [pid 6442] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6442] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] exit_group(0) = ? [pid 6442] <... futex resumed>) = ? [pid 6442] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./53/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./53") = 0 [pid 5867] mkdir("./54", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6447 attached [pid 6447] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6447] chdir("./54") = 0 [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6447 [pid 6447] <... prctl resumed>) = 0 [pid 6447] setpgid(0, 0 [pid 6444] <... io_uring_enter resumed>) = 4096 [pid 6447] <... setpgid resumed>) = 0 [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6447] write(3, "1000", 4) = 4 [pid 6447] close(3) = 0 [pid 6447] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6447] write(1, "executing program\n", 18) = 18 [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6447] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6448 attached => {parent_tid=[6448]}, 88) = 6448 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 6448] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6448] <... rseq resumed>) = 0 [pid 6447] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] set_robust_list(0x7f44f9fde9a0, 24 [pid 6447] <... futex resumed>) = 0 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6448] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6444] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6443] exit_group(0) = ? [pid 6444] +++ exited with 0 +++ [pid 6443] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6443, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6448] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6448] <... futex resumed>) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6440] <... io_uring_enter resumed>) = 4096 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6448] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6447] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6447] <... futex resumed>) = 0 [pid 6448] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6448] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6448] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6448] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6440] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6448] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6440] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] exit_group(0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6448] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... exit_group resumed>) = ? [pid 5866] getdents64(3, [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6447] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... futex resumed>) = ? [pid 5866] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 1 [pid 6440] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6448] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6448] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./50/binderfs" [pid 6448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6447] <... futex resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6448] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6447] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5866] close(3 [pid 5865] newfstatat(3, "", [pid 5866] <... close resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] rmdir("./50" [pid 5865] getdents64(3, [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] mkdir("./51", 0777 [pid 5865] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] <... io_uring_enter resumed>) = 4096 [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6449 [pid 5865] unlink("./51/binderfs" [pid 6446] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6449 attached ) = 0 [pid 6445] exit_group(0 [pid 5865] <... unlink resumed>) = 0 [pid 6445] <... exit_group resumed>) = ? [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./51") = 0 [pid 5865] mkdir("./52", 0777) = 0 [pid 6447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6449] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6450 ./strace-static-x86_64: Process 6450 attached [pid 6449] <... set_robust_list resumed>) = 0 [pid 6446] +++ exited with 0 +++ [pid 6445] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6445, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", [pid 6450] set_robust_list(0x55558acd66a0, 24 [pid 6449] chdir("./51" [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6450] <... set_robust_list resumed>) = 0 [pid 5863] getdents64(3, [pid 6450] chdir("./52" [pid 6449] <... chdir resumed>) = 0 [pid 6450] <... chdir resumed>) = 0 [pid 6449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./52/binderfs" [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] <... prctl resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6450] <... prctl resumed>) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./52" [pid 6450] setpgid(0, 0 [pid 6449] setpgid(0, 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6450] <... setpgid resumed>) = 0 [pid 6449] <... setpgid resumed>) = 0 [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] mkdir("./53", 0777 [pid 6450] <... openat resumed>) = 3 [pid 6449] <... openat resumed>) = 3 [pid 5863] <... mkdir resumed>) = 0 [pid 6450] write(3, "1000", 4 [pid 6449] write(3, "1000", 4 [pid 6450] <... write resumed>) = 4 [pid 6449] <... write resumed>) = 4 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6450] close(3 [pid 6449] close(3 [pid 6450] <... close resumed>) = 0 [pid 6449] <... close resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x55558acd6690) = 6451 ./strace-static-x86_64: Process 6451 attached [pid 6451] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6451] chdir("./53" [pid 6450] symlink("/dev/binderfs", "./binderfs" [pid 6449] symlink("/dev/binderfs", "./binderfs" [pid 6451] <... chdir resumed>) = 0 [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6451] setpgid(0, 0) = 0 [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6451] write(3, "1000", 4 [pid 6450] <... symlink resumed>) = 0 [pid 6451] <... write resumed>) = 4 executing program [pid 6451] close(3) = 0 [pid 6451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6451] write(1, "executing program\n", 18) = 18 [pid 6451] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6451] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ) = 0x7f44f9fbe000 [pid 6451] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6450] write(1, "executing program\n", 18 [pid 6449] <... symlink resumed>) = 0 [pid 6451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6450] <... write resumed>) = 18 [pid 6451] <... clone3 resumed> => {parent_tid=[6452]}, 88) = 6452 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6451] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program ./strace-static-x86_64: Process 6452 attached ) = 0 [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] write(1, "executing program\n", 18 [pid 6451] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6450] <... futex resumed>) = 0 [pid 6449] <... write resumed>) = 18 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6449] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6452] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6450] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6449] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6453]}, 88) = 6453 ./strace-static-x86_64: Process 6453 attached [pid 6449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6449] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6453] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... rseq resumed>) = 0 [pid 6453] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6453] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6452] <... rseq resumed>) = 0 [pid 6450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6453] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] <... futex resumed>) = 0 [pid 6449] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6453] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6452] set_robust_list(0x7f44f9fde9a0, 24 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6450] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6454 attached [pid 6454] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6450] <... clone3 resumed> => {parent_tid=[6454]}, 88) = 6454 [pid 6454] <... rseq resumed>) = 0 [pid 6450] rt_sigprocmask(SIG_SETMASK, [], [pid 6454] set_robust_list(0x7f44f9fde9a0, 24 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] <... set_robust_list resumed>) = 0 [pid 6450] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... futex resumed>) = 0 [pid 6454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6454] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6453] <... mmap resumed>) = 0x7f44f9f99000 [pid 6450] <... futex resumed>) = 0 [pid 6450] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6454] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6453] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6450] <... futex resumed>) = 0 [pid 6454] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6453] <... mmap resumed>) = 0x7f44f9f59000 [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] <... futex resumed>) = 0 [pid 6453] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... futex resumed>) = 0 [pid 6453] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6453] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6449] <... futex resumed>) = 0 [pid 6454] <... mmap resumed>) = 0x7f44f9f99000 [pid 6453] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6453] <... futex resumed>) = 0 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6454] <... mmap resumed>) = 0x7f44f9f59000 [pid 6453] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6452] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 1 [pid 6454] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6450] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... openat resumed>) = 3 [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6450] <... futex resumed>) = 0 [pid 6454] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 0 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6454] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6450] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6450] <... futex resumed>) = 0 [pid 6454] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... futex resumed>) = 0 [pid 6451] <... mprotect resumed>) = 0 [pid 6450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6454] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6450] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6450] <... futex resumed>) = 0 [pid 6454] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6450] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... clone3 resumed> => {parent_tid=[6455]}, 88) = 6455 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6451] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6451] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6455 attached [pid 6455] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6455] <... rseq resumed>) = 0 [pid 6450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6455] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6451] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6451] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6451] <... futex resumed>) = ? [pid 6455] +++ killed by SIGSEGV +++ [pid 6452] +++ killed by SIGSEGV +++ [pid 6451] +++ killed by SIGSEGV +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6451, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5863] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./53/binderfs") = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./53") = 0 [pid 5863] mkdir("./54", 0777) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6456 attached , child_tidptr=0x55558acd6690) = 6456 [pid 6456] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6448] <... io_uring_enter resumed>) = 4096 [pid 6456] chdir("./54") = 0 [pid 6448] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6456] setpgid(0, 0 [pid 6447] exit_group(0 [pid 6456] <... setpgid resumed>) = 0 [pid 6447] <... exit_group resumed>) = ? [pid 6456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6456] write(3, "1000", 4) = 4 [pid 6456] close(3 [pid 6448] <... futex resumed>) = ? [pid 6456] <... close resumed>) = 0 [pid 6448] +++ exited with 0 +++ [pid 6447] +++ exited with 0 +++ [pid 6456] symlink("/dev/binderfs", "./binderfs" [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- executing program [pid 6456] <... symlink resumed>) = 0 [pid 6456] write(1, "executing program\n", 18) = 18 [pid 6456] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6456] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6456] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6456] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] <... openat resumed>) = 3 [pid 6456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] newfstatat(3, "", [pid 6456] <... clone3 resumed> => {parent_tid=[6457]}, 88) = 6457 [pid 6456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6456] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./54/binderfs", ./strace-static-x86_64: Process 6457 attached [pid 6453] <... io_uring_enter resumed>) = 4096 [pid 6456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6454] <... io_uring_enter resumed>) = 4096 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6456] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6456] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6453] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6453] <... futex resumed>) = 0 [pid 6456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6453] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] exit_group(0./strace-static-x86_64: Process 6458 attached [pid 6453] <... futex resumed>) = ? [pid 6449] <... exit_group resumed>) = ? [pid 6456] <... clone3 resumed> => {parent_tid=[6458]}, 88) = 6458 [pid 6453] +++ exited with 0 +++ [pid 6449] +++ exited with 0 +++ [pid 6456] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6449, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6456] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6454] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... rseq resumed>) = 0 [pid 6454] <... futex resumed>) = 0 [pid 6458] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6454] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] <... set_robust_list resumed>) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6450] exit_group(0 [pid 6454] <... futex resumed>) = ? [pid 6450] <... exit_group resumed>) = ? [pid 6454] +++ exited with 0 +++ [pid 6450] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6450, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6458] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 6458] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f44f9f78000 [pid 6458] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... openat resumed>) = 3 [pid 5865] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 5865] newfstatat(3, "", [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 5865] getdents64(3, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5865] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./51/binderfs" [pid 5865] unlink("./52/binderfs" [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] getdents64(3, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 5865] close(3 [pid 5866] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] rmdir("./51" [pid 5865] rmdir("./52" [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5866] mkdir("./52", 0777 [pid 5865] mkdir("./53", 0777 [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6459 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6460 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6459 [pid 6459] set_robust_list(0x55558acd66a0, 24./strace-static-x86_64: Process 6460 attached ) = 0 [pid 6458] <... mmap resumed>) = 0x7f44f9f38000 [pid 6460] set_robust_list(0x55558acd66a0, 24 [pid 6459] chdir("./53" [pid 6458] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6456] <... futex resumed>) = 0 [pid 6459] <... chdir resumed>) = 0 [pid 6456] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6456] <... futex resumed>) = 0 [pid 6459] <... prctl resumed>) = 0 [pid 6456] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] setpgid(0, 0 [pid 6458] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6456] <... futex resumed>) = 0 [pid 6456] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] chdir("./52" [pid 6459] <... setpgid resumed>) = 0 [pid 6458] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6456] <... futex resumed>) = 0 [pid 6456] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6456] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... chdir resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] io_uring_enter(3, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] <... openat resumed>) = 3 [pid 6460] <... prctl resumed>) = 0 [pid 6459] write(3, "1000", 4) = 4 [pid 6459] close(3) = 0 [pid 6460] setpgid(0, 0 [pid 6459] symlink("/dev/binderfs", "./binderfs" [pid 6460] <... setpgid resumed>) = 0 [pid 6459] <... symlink resumed>) = 0 executing program [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6459] write(1, "executing program\n", 18 [pid 6460] <... openat resumed>) = 3 [pid 6459] <... write resumed>) = 18 [pid 6457] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5867] unlink("./54/binderfs" [pid 6460] write(3, "1000", 4 [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... rseq resumed>) = 0 [pid 6460] <... write resumed>) = 4 [pid 6460] close(3) = 0 [pid 6460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6457] set_robust_list(0x7f44f9fde9a0, 24 [pid 5867] <... unlink resumed>) = 0 [pid 6460] write(1, "executing program\n", 18 [pid 6457] <... set_robust_list resumed>) = 0 executing program [pid 5867] getdents64(3, [pid 6460] <... write resumed>) = 18 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6459] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6460] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] close(3 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6457] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] <... close resumed>) = 0 [pid 6460] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6459] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6457] <... openat resumed>) = 4 [pid 5867] rmdir("./54" [pid 6460] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6459] <... mprotect resumed>) = 0 [pid 6457] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 6460] <... mprotect resumed>) = 0 [pid 6459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6457] <... futex resumed>) = 0 [pid 5867] mkdir("./55", 0777 [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6457] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... mkdir resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6461 attached [pid 6460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6462 attached [pid 6459] <... clone3 resumed> => {parent_tid=[6462]}, 88) = 6462 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6461 [pid 6462] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6461] set_robust_list(0x55558acd66a0, 24 [pid 6460] <... clone3 resumed> => {parent_tid=[6463]}, 88) = 6463 [pid 6459] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... rseq resumed>) = 0 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] set_robust_list(0x7f44f9fde9a0, 24 [pid 6461] chdir("./55" [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6460] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] <... futex resumed>) = 0 [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6463 attached [pid 6462] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6461] <... chdir resumed>) = 0 [pid 6456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6461] setpgid(0, 0 [pid 6462] <... openat resumed>) = 3 [pid 6461] <... setpgid resumed>) = 0 [pid 6462] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] <... futex resumed>) = 1 [pid 6461] <... openat resumed>) = 3 [pid 6459] <... futex resumed>) = 0 [pid 6459] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6461] write(3, "1000", 4 [pid 6463] <... rseq resumed>) = 0 [pid 6461] <... write resumed>) = 4 [pid 6463] set_robust_list(0x7f44f9fde9a0, 24 [pid 6461] close(3 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6461] <... close resumed>) = 0 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6461] symlink("/dev/binderfs", "./binderfs" [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6463] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6462] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6461] <... symlink resumed>) = 0 [pid 6461] write(1, "executing program\n", 18) = 18 [pid 6462] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6461] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6463] <... openat resumed>) = 3 [pid 6461] <... futex resumed>) = 0 [pid 6463] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6463] <... futex resumed>) = 1 [pid 6461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6460] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6461] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6461] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6462] <... mmap resumed>) = 0x7f44f9f99000 [pid 6461] <... mprotect resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6462] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6464]}, 88) = 6464 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6461] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6461] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6463] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6463] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6463] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6460] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6460] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... futex resumed>) = 0 [pid 6460] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... futex resumed>) = 1 [pid 6463] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6464 attached [pid 6462] <... mmap resumed>) = 0x7f44f9f59000 [pid 6459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6464] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6462] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... rseq resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] set_robust_list(0x7f44f9fde9a0, 24 [pid 6462] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = 0 [pid 6464] <... set_robust_list resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... openat resumed>) = 3 [pid 6462] <... futex resumed>) = 1 [pid 6459] <... futex resumed>) = 0 [pid 6464] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = 1 [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] <... futex resumed>) = 0 [pid 6459] <... futex resumed>) = 0 [pid 6464] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6462] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6461] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] <... futex resumed>) = 0 [pid 6461] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6460] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6464] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6464] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6464] <... mmap resumed>) = 0x7f44f9f99000 [pid 6461] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6464] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6461] <... mmap resumed>) = 0x7f44f9f78000 [pid 6461] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE [pid 6464] <... mmap resumed>) = 0x7f44f9f38000 [pid 6461] <... mprotect resumed>) = 0 [pid 6464] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0} => {parent_tid=[6467]}, 88) = 6467 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6467 attached [pid 6464] <... futex resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053 [pid 6461] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6467] <... rseq resumed>) = 0 [pid 6461] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... io_uring_enter resumed>) = 4096 [pid 6467] set_robust_list(0x7f44f9f989a0, 24 [pid 6458] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6458] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] <... set_robust_list resumed>) = 0 [pid 6456] exit_group(0 [pid 6467] rt_sigprocmask(SIG_SETMASK, [], [pid 6458] <... futex resumed>) = ? [pid 6457] <... futex resumed>) = ? [pid 6456] <... exit_group resumed>) = ? [pid 6457] +++ exited with 0 +++ [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6467] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6467] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... futex resumed>) = 0 [pid 6464] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6464] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] <... futex resumed>) = 0 [pid 6464] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6461] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6463] <... io_uring_enter resumed>) = 4096 [pid 6463] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... io_uring_enter resumed>) = 4096 [pid 6460] exit_group(0 [pid 6463] <... futex resumed>) = 0 [pid 6460] <... exit_group resumed>) = ? [pid 6462] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6462] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] exit_group(0 [pid 6462] <... futex resumed>) = ? [pid 6459] <... exit_group resumed>) = ? [pid 6463] +++ exited with 0 +++ [pid 6460] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6460, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6462] +++ exited with 0 +++ [pid 5866] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] +++ exited with 0 +++ [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6459, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 5865] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5866] unlink("./52/binderfs") = 0 [pid 5866] getdents64(3, [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] unlink("./53/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 5865] close(3 [pid 5866] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] rmdir("./52" [pid 5865] rmdir("./53" [pid 5866] <... rmdir resumed>) = 0 [pid 6464] <... io_uring_enter resumed>) = 4096 [pid 5866] mkdir("./53", 0777 [pid 5865] <... rmdir resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6464] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] mkdir("./54", 0777 [pid 6461] exit_group(0 [pid 6464] <... futex resumed>) = ? [pid 6461] <... exit_group resumed>) = ? [pid 6464] +++ exited with 0 +++ [pid 5865] <... mkdir resumed>) = 0 [pid 6467] <... futex resumed>) = ? [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6468 attached [pid 6467] +++ exited with 0 +++ [pid 6461] +++ exited with 0 +++ [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6461, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6468] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6468] chdir("./53") = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6468 [pid 6468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6469 [pid 6468] <... prctl resumed>) = 0 [pid 5867] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] setpgid(0, 0) = 0 [pid 6468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6468] write(3, "1000", 4) = 4 [pid 6468] close(3) = 0 ./strace-static-x86_64: Process 6469 attached [pid 6468] symlink("/dev/binderfs", "./binderfs" [pid 6469] set_robust_list(0x55558acd66a0, 24 [pid 6468] <... symlink resumed>) = 0 executing program [pid 6469] <... set_robust_list resumed>) = 0 [pid 6468] write(1, "executing program\n", 18 [pid 6469] chdir("./54" [pid 6468] <... write resumed>) = 18 [pid 6469] <... chdir resumed>) = 0 [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6468] <... futex resumed>) = 0 [pid 6469] <... prctl resumed>) = 0 [pid 6468] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6469] setpgid(0, 0 [pid 6468] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6469] <... setpgid resumed>) = 0 [pid 6468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6469] <... openat resumed>) = 3 [pid 6468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] write(3, "1000", 4 [pid 6468] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6469] <... write resumed>) = 4 [pid 6468] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... openat resumed>) = 3 [pid 6469] close(3 [pid 6468] <... mprotect resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 6469] <... close resumed>) = 0 [pid 6468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6469] symlink("/dev/binderfs", "./binderfs" [pid 6468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] getdents64(3, [pid 6469] <... symlink resumed>) = 0 [pid 6468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6470 attached [pid 6469] write(1, "executing program\n", 18 [pid 5867] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6469] <... write resumed>) = 18 [pid 6468] <... clone3 resumed> => {parent_tid=[6470]}, 88) = 6470 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6470] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6470] set_robust_list(0x7f44f9fde9a0, 24 [pid 6468] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./55/binderfs" [pid 6470] <... set_robust_list resumed>) = 0 [pid 6468] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6470] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] close(3 [pid 6470] <... openat resumed>) = 3 [pid 5867] <... close resumed>) = 0 [pid 6470] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rmdir("./55" [pid 6470] <... futex resumed>) = 1 [pid 6468] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6468] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./56", 0777 [pid 6468] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6470] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6469] <... futex resumed>) = 0 [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6471 [pid 6469] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6469] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6472]}, 88) = 6472 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6469] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 ./strace-static-x86_64: Process 6471 attached [pid 6470] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6470] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6468] <... futex resumed>) = 0 [pid 6468] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6471] chdir("./56") = 0 [pid 6471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6471] setpgid(0, 0 [pid 6470] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6468] <... futex resumed>) = 0 [pid 6468] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] <... setpgid resumed>) = 0 [pid 6471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6471] write(3, "1000", 4) = 4 [pid 6471] close(3 [pid 6470] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6468] <... futex resumed>) = 0 [pid 6468] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] <... close resumed>) = 0 [pid 6470] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6472 attached executing program [pid 6471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6471] write(1, "executing program\n", 18) = 18 [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6471] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6471] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6473]}, 88) = 6473 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6473 attached [pid 6473] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6471] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] <... rseq resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6473] set_robust_list(0x7f44f9fde9a0, 24 [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] <... set_robust_list resumed>) = 0 [pid 6473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6473] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6473] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6471] <... futex resumed>) = 0 [pid 6471] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6472] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6473] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6473] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6472] <... rseq resumed>) = 0 [pid 6472] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6469] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6472] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6469] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6468] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6473] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] <... openat resumed>) = 3 [pid 6469] <... futex resumed>) = 0 [pid 6468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6469] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6473] <... futex resumed>) = 1 [pid 6471] <... futex resumed>) = 0 [pid 6469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6471] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] <... clone3 resumed> => {parent_tid=[6474]}, 88) = 6474 [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6469] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6474 attached [pid 6473] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] <... futex resumed>) = 1 [pid 6471] <... futex resumed>) = 0 [pid 6469] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6469] <... futex resumed>) = 0 [pid 6473] <... futex resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6469] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6474] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6472] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6472] <... futex resumed>) = 0 [pid 6472] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... rseq resumed>) = 0 [pid 6471] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6471] <... futex resumed>) = 1 [pid 6471] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6474] <... set_robust_list resumed>) = 0 [pid 6473] <... futex resumed>) = 0 [pid 6473] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6474] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6474] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6474] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6474] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6474] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6469] <... futex resumed>) = 0 [pid 6469] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6469] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] <... futex resumed>) = 0 [pid 6472] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6472] <... futex resumed>) = 1 [pid 6469] <... futex resumed>) = 0 [pid 6469] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6469] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6469] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6469] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] <... futex resumed>) = 0 [pid 6469] <... futex resumed>) = 1 [pid 6472] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6469] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6468] exit_group(0) = ? [pid 6470] <... io_uring_enter resumed>) = ? [pid 6470] +++ exited with 0 +++ [pid 6468] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6468, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6471] exit_group(0) = ? [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./53/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./53") = 0 [pid 5866] mkdir("./54", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6475 ./strace-static-x86_64: Process 6475 attached [pid 6475] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6475] chdir("./54") = 0 [pid 6475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6475] setpgid(0, 0) = 0 [pid 6475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6469] exit_group(0 [pid 6474] <... futex resumed>) = ? [pid 6469] <... exit_group resumed>) = ? [pid 6475] write(3, "1000", 4) = 4 [pid 6475] close(3) = 0 [pid 6475] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6475] write(1, "executing program\n", 18) = 18 [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6475] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6475] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6476 attached => {parent_tid=[6476]}, 88) = 6476 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6476] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] <... rseq resumed>) = 0 [pid 6475] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6476] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6476] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6475] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6475] <... futex resumed>) = 0 [pid 6476] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] <... mmap resumed>) = 0x7f44f9f99000 [pid 6476] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6476] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6476] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6475] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6474] +++ exited with 0 +++ [pid 6475] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] <... io_uring_enter resumed>) = ? [pid 6473] <... io_uring_enter resumed>) = ? [pid 6473] +++ exited with 0 +++ [pid 6471] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6471, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./56/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./56") = 0 [pid 5867] mkdir("./57", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6478 ./strace-static-x86_64: Process 6478 attached [pid 6478] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6478] chdir("./57") = 0 [pid 6478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6478] setpgid(0, 0) = 0 [pid 6478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6472] +++ exited with 0 +++ [pid 6469] +++ exited with 0 +++ [pid 6478] write(3, "1000", 4) = 4 [pid 6478] close(3 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6469, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6478] <... close resumed>) = 0 [pid 5865] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6478] <... symlink resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6478] write(1, "executing program\n", 18) = 18 [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 6478] <... futex resumed>) = 0 [pid 5865] newfstatat(3, "", [pid 6478] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5865] getdents64(3, [pid 6478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./54/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6478] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5865] close(3 [pid 6478] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./54" [pid 6478] <... mprotect resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./55", 0777 [pid 6478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6479 attached [pid 6478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6479] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6479 ./strace-static-x86_64: Process 6480 attached [pid 6479] chdir("./55" [pid 6478] <... clone3 resumed> => {parent_tid=[6480]}, 88) = 6480 [pid 6479] <... chdir resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6478] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6480] <... rseq resumed>) = 0 [pid 6479] <... prctl resumed>) = 0 [pid 6480] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6480] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6479] setpgid(0, 0 [pid 6480] <... openat resumed>) = 3 [pid 6480] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] <... futex resumed>) = 0 [pid 6479] <... setpgid resumed>) = 0 [pid 6478] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] <... futex resumed>) = 0 [pid 6480] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6479] <... openat resumed>) = 3 [pid 6480] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6479] write(3, "1000", 4 [pid 6480] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6479] <... write resumed>) = 4 [pid 6480] <... mmap resumed>) = 0x7f44f9f59000 [pid 6480] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] close(3 [pid 6480] <... futex resumed>) = 1 [pid 6478] <... futex resumed>) = 0 [pid 6479] <... close resumed>) = 0 executing program [pid 6480] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] symlink("/dev/binderfs", "./binderfs" [pid 6478] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] <... symlink resumed>) = 0 [pid 6479] write(1, "executing program\n", 18 [pid 6478] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] <... write resumed>) = 18 [pid 6480] <... futex resumed>) = 0 [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = 0 [pid 6476] <... io_uring_enter resumed>) = 4096 [pid 6480] <... futex resumed>) = 1 [pid 6479] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6478] <... futex resumed>) = 0 [pid 6480] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6478] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6480] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6478] <... futex resumed>) = 0 [pid 6476] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6478] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] <... futex resumed>) = 0 [pid 6475] exit_group(0 [pid 6476] ???( [pid 6475] <... exit_group resumed>) = ? [pid 6476] <... ??? resumed>) = ? [pid 6476] +++ exited with 0 +++ [pid 6479] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6475] +++ exited with 0 +++ [pid 6479] <... mprotect resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6475, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./54/binderfs"./strace-static-x86_64: Process 6481 attached ) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./54") = 0 [pid 5866] mkdir("./55", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6482 ./strace-static-x86_64: Process 6482 attached [pid 6482] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6481] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6479] <... clone3 resumed> => {parent_tid=[6481]}, 88) = 6481 [pid 6482] chdir("./55") = 0 [pid 6482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6482] setpgid(0, 0 [pid 6481] <... rseq resumed>) = 0 [pid 6479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6481] set_robust_list(0x7f44f9fde9a0, 24 [pid 6479] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... set_robust_list resumed>) = 0 [pid 6479] <... futex resumed>) = 0 [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] <... setpgid resumed>) = 0 [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6482] write(3, "1000", 4 [pid 6478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6481] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6481] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6481] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6479] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6482] <... write resumed>) = 4 [pid 6481] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] close(3) = 0 [pid 6482] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6482] write(1, "executing program\n", 18 [pid 6481] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6482] <... write resumed>) = 18 [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6481] <... mmap resumed>) = 0x7f44f9f99000 [pid 6482] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6481] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6482] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6482] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6483 attached => {parent_tid=[6483]}, 88) = 6483 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6481] <... mmap resumed>) = 0x7f44f9f59000 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6481] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... rseq resumed>) = 0 [pid 6483] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6483] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6483] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6482] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6481] <... futex resumed>) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6481] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6481] <... futex resumed>) = 0 [pid 6481] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6483] <... mmap resumed>) = 0x7f44f9f99000 [pid 6479] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6479] <... futex resumed>) = 1 [pid 6481] <... futex resumed>) = 0 [pid 6483] <... mmap resumed>) = 0x7f44f9f59000 [pid 6483] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6483] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... futex resumed>) = 0 [pid 6482] <... futex resumed>) = 0 [pid 6483] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... futex resumed>) = 0 [pid 6482] <... futex resumed>) = 1 [pid 6481] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] <... futex resumed>) = 0 [pid 6479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6483] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6479] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... futex resumed>) = 0 [pid 6482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] <... futex resumed>) = 0 [pid 6483] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6482] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] <... futex resumed>) = 0 [pid 6482] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] <... io_uring_enter resumed>) = 4096 [pid 6480] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6478] exit_group(0) = ? [pid 6480] <... futex resumed>) = ? [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6480] +++ exited with 0 +++ [pid 6478] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6478, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./57/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./57") = 0 [pid 5867] mkdir("./58", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6484 attached , child_tidptr=0x55558acd6690) = 6484 [pid 6484] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6484] chdir("./58") = 0 [pid 6484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6484] setpgid(0, 0) = 0 [pid 6484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6484] write(3, "1000", 4) = 4 [pid 6484] close(3) = 0 [pid 6484] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6484] write(1, "executing program\n", 18 [pid 6481] <... io_uring_enter resumed>) = 4096 executing program [pid 6484] <... write resumed>) = 18 [pid 6484] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] exit_group(0) = ? [pid 6484] <... futex resumed>) = 0 [pid 6481] +++ exited with 0 +++ [pid 6479] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6479, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6483] <... io_uring_enter resumed>) = 4096 [pid 6484] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6483] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6484] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6483] <... futex resumed>) = 0 [pid 6482] exit_group(0) = ? [pid 6484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6483] +++ exited with 0 +++ [pid 6482] +++ exited with 0 +++ [pid 5865] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6482, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] newfstatat(3, "", [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6484] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5865] getdents64(3, [pid 6484] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6484] <... mprotect resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./55/binderfs" [pid 6484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3./strace-static-x86_64: Process 6485 attached ) = 0 [pid 6484] <... clone3 resumed> => {parent_tid=[6485]}, 88) = 6485 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rmdir("./55" [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6484] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mkdir("./56", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6486 attached , child_tidptr=0x55558acd6690) = 6486 [pid 6486] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6486] chdir("./56") = 0 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6486] setpgid(0, 0) = 0 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6486] write(3, "1000", 4) = 4 [pid 6486] close(3) = 0 [pid 6486] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6486] write(1, "executing program\n", 18 [pid 6485] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6484] <... futex resumed>) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6485] <... rseq resumed>) = 0 [pid 6484] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6485] set_robust_list(0x7f44f9fde9a0, 24 [pid 5864] kill(-6403, SIGKILL) = 0 [pid 5864] kill(6403, SIGKILL) = 0 [pid 6486] <... write resumed>) = 18 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] <... set_robust_list resumed>) = 0 [pid 5866] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 6486] <... futex resumed>) = 0 [pid 6486] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] getdents64(3, [pid 6486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./55/binderfs" [pid 6486] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] <... unlink resumed>) = 0 [pid 6486] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] getdents64(3, [pid 6486] <... mprotect resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] close(3 [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6487 attached => {parent_tid=[6487]}, 88) = 6487 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6487] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6486] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] <... rseq resumed>) = 0 [pid 6486] <... futex resumed>) = 0 [pid 6487] set_robust_list(0x7f44f9fde9a0, 24 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6487] <... set_robust_list resumed>) = 0 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6487] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6487] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6486] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6487] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6485] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... close resumed>) = 0 [pid 6487] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] rmdir("./55" [pid 6487] <... mmap resumed>) = 0x7f44f9f99000 [pid 6484] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6487] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6485] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6484] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... rmdir resumed>) = 0 [pid 6485] <... openat resumed>) = 3 [pid 6484] <... futex resumed>) = 0 [pid 5866] mkdir("./56", 0777 [pid 6484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6487] <... mmap resumed>) = 0x7f44f9f59000 [pid 6485] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... mkdir resumed>) = 0 [pid 6485] <... futex resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6484] <... mprotect resumed>) = 0 [pid 6484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 6488 attached [pid 6485] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6489]}, 88) = 6489 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6488] set_robust_list(0x55558acd66a0, 24 [pid 6487] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] <... set_robust_list resumed>) = 0 [pid 6487] <... futex resumed>) = 1 [pid 6484] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] chdir("./56" [pid 6487] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] <... futex resumed>) = 0 [pid 6488] <... chdir resumed>) = 0 [pid 6484] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6488] setpgid(0, 0./strace-static-x86_64: Process 6489 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6488 [pid 6488] <... setpgid resumed>) = 0 [pid 6489] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6489] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6486] <... futex resumed>) = 0 [pid 6488] <... openat resumed>) = 3 [pid 6486] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] write(3, "1000", 4 [pid 6487] <... futex resumed>) = 0 [pid 6486] <... futex resumed>) = 1 [pid 6488] <... write resumed>) = 4 [pid 6487] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] close(3 [pid 6487] <... futex resumed>) = 0 [pid 6486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6488] <... close resumed>) = 0 [pid 6487] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6486] <... futex resumed>) = 0 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] symlink("/dev/binderfs", "./binderfs" [pid 6487] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... symlink resumed>) = 0 [pid 6487] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6488] write(1, "executing program\n", 18 [pid 6487] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6486] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6489] <... set_robust_list resumed>) = 0 [pid 6488] <... write resumed>) = 18 [pid 6486] <... futex resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6489] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6489] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6488] <... futex resumed>) = 0 [pid 6488] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6489] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6489] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6489] <... mmap resumed>) = 0x7f44f9f38000 [pid 6488] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6489] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6489] <... futex resumed>) = 1 [pid 6488] <... mprotect resumed>) = 0 [pid 6484] <... futex resumed>) = 0 [pid 6489] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6484] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6485] <... futex resumed>) = 0 [pid 6484] <... futex resumed>) = 1 [pid 6485] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6485] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6484] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6485] <... futex resumed>) = 0 [pid 6485] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6485] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6484] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] <... futex resumed>) = 0 [pid 6484] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6490 attached [pid 6488] <... clone3 resumed> => {parent_tid=[6490]}, 88) = 6490 [pid 6490] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6488] rt_sigprocmask(SIG_SETMASK, [], [pid 6485] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6490] <... rseq resumed>) = 0 [pid 6488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6490] set_robust_list(0x7f44f9fde9a0, 24 [pid 6488] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... set_robust_list resumed>) = 0 [pid 6484] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] <... futex resumed>) = 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6490] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6490] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] <... futex resumed>) = 0 [pid 6488] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... futex resumed>) = 0 [pid 6488] <... futex resumed>) = 1 [pid 6490] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6490] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6490] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6484] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6490] <... mmap resumed>) = 0x7f44f9f59000 [pid 6488] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6488] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... mmap resumed>) = 0x7f44f9f38000 [pid 6488] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6490] <... futex resumed>) = 0 [pid 6488] <... mprotect resumed>) = 0 [pid 6490] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} => {parent_tid=[6491]}, 88) = 6491 [pid 6488] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6491 attached NULL, 8) = 0 [pid 6488] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6488] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 [pid 6491] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6491] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6488] <... futex resumed>) = 0 [pid 6488] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] <... futex resumed>) = 0 [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] <... futex resumed>) = 0 [pid 6490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6488] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6488] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6488] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6487] <... io_uring_enter resumed>) = 4096 [pid 6485] <... io_uring_enter resumed>) = 4096 [pid 6485] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6485] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] exit_group(0 [pid 6485] <... futex resumed>) = ? [pid 6484] <... exit_group resumed>) = ? [pid 6485] +++ exited with 0 +++ [pid 6489] <... futex resumed>) = ? [pid 6489] +++ exited with 0 +++ [pid 6484] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6484, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./58/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./58") = 0 [pid 5867] mkdir("./59", 0777 [pid 6487] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... mkdir resumed>) = 0 [pid 6487] <... futex resumed>) = 0 [pid 6486] exit_group(0) = ? [pid 6487] +++ exited with 0 +++ [pid 6486] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6492 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6492 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6492] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6492] chdir("./59") = 0 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6492] setpgid(0, 0) = 0 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6492] write(3, "1000", 4) = 4 [pid 6492] close(3) = 0 [pid 6492] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6492] write(1, "executing program\n", 18) = 18 [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6492] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] getdents64(3, [pid 6492] <... mprotect resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6493]}, 88) = 6493 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6492] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6493 attached [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6493] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6493] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 5865] unlink("./56/binderfs" [pid 6493] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6492] <... futex resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6492] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(3, [pid 6493] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6490] <... io_uring_enter resumed>) = 4096 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 6493] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6490] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rmdir("./56" [pid 6488] exit_group(0 [pid 6491] <... futex resumed>) = ? [pid 6488] <... exit_group resumed>) = ? [pid 6491] +++ exited with 0 +++ [pid 6493] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6490] <... futex resumed>) = ? [pid 5865] <... rmdir resumed>) = 0 [pid 6493] <... mmap resumed>) = 0x7f44f9f59000 [pid 6493] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6493] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] <... futex resumed>) = 0 [pid 6492] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = 1 [pid 6493] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6493] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = 1 [pid 6493] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] mkdir("./57", 0777 [pid 6493] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6492] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] +++ exited with 0 +++ [pid 6488] +++ exited with 0 +++ [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6488, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5866] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./56/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./56") = 0 [pid 5866] mkdir("./57", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6495 attached [pid 6495] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6495 [pid 6495] <... set_robust_list resumed>) = 0 [pid 6495] chdir("./57") = 0 [pid 6495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6495] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6494 [pid 6495] <... openat resumed>) = 3 [pid 6494] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6494] chdir("./57") = 0 [pid 6494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6492] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6494] <... prctl resumed>) = 0 [pid 6494] setpgid(0, 0 [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6494] <... setpgid resumed>) = 0 [pid 6494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6495] write(3, "1000", 4) = 4 [pid 6495] close(3) = 0 [pid 6494] <... openat resumed>) = 3 [pid 6495] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6495] write(1, "executing program\n", 18) = 18 [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] write(3, "1000", 4 [pid 6495] <... futex resumed>) = 0 [pid 6494] <... write resumed>) = 4 [pid 6495] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6494] close(3 [pid 6495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6494] <... close resumed>) = 0 [pid 6495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6494] symlink("/dev/binderfs", "./binderfs" [pid 6495] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 6494] <... symlink resumed>) = 0 [pid 6495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6494] write(1, "executing program\n", 18 [pid 6495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6494] <... write resumed>) = 18 [pid 6494] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6496 attached => {parent_tid=[6496]}, 88) = 6496 [pid 6494] <... futex resumed>) = 0 [pid 6496] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6495] rt_sigprocmask(SIG_SETMASK, [], [pid 6496] <... rseq resumed>) = 0 [pid 6495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6496] set_robust_list(0x7f44f9fde9a0, 24 [pid 6495] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... set_robust_list resumed>) = 0 [pid 6495] <... futex resumed>) = 0 [pid 6496] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6496] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6496] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6495] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6495] <... futex resumed>) = 0 [pid 6496] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... mmap resumed>) = 0x7f44f9f99000 [pid 6496] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6496] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6496] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 0 [pid 6496] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 1 [pid 6496] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6496] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6495] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6495] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6494] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6497 attached [pid 6497] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6494] <... clone3 resumed> => {parent_tid=[6497]}, 88) = 6497 [pid 6497] <... rseq resumed>) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], [pid 6497] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6494] <... futex resumed>) = 0 [pid 6497] <... openat resumed>) = 3 [pid 6494] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6494] <... futex resumed>) = 0 [pid 6497] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6497] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6494] <... futex resumed>) = 0 [pid 6497] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6494] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6497] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6493] <... io_uring_enter resumed>) = 4096 [pid 6497] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6497] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6494] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6493] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6493] <... futex resumed>) = 0 [pid 6492] exit_group(0) = ? [pid 6494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6493] +++ exited with 0 +++ [pid 6492] +++ exited with 0 +++ [pid 6494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./59/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./59") = 0 [pid 5867] mkdir("./60", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6499 attached ./strace-static-x86_64: Process 6498 attached , child_tidptr=0x55558acd6690) = 6498 [pid 6499] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6494] <... clone3 resumed> => {parent_tid=[6499]}, 88) = 6499 [pid 6499] <... rseq resumed>) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6499] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6494] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] chdir("./60" [pid 6494] <... futex resumed>) = 0 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6494] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] <... chdir resumed>) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6494] <... futex resumed>) = 1 [pid 6497] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] <... futex resumed>) = 0 [pid 6497] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6498] setpgid(0, 0) = 0 [pid 6498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6498] write(3, "1000", 4) = 4 [pid 6498] close(3) = 0 [pid 6498] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6498] write(1, "executing program\n", 18) = 18 [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6498] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6500]}, 88) = 6500 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6498] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6500 attached [pid 6494] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = 0 [pid 6494] <... futex resumed>) = 1 [pid 6500] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6497] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6494] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6500] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6500] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6498] <... futex resumed>) = 0 [pid 6498] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... io_uring_enter resumed>) = 4096 [pid 6496] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6496] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6500] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6495] exit_group(0 [pid 6494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6496] <... futex resumed>) = ? [pid 6495] <... exit_group resumed>) = ? [pid 6496] +++ exited with 0 +++ [pid 6495] +++ exited with 0 +++ [pid 6500] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6495, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6498] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f78000 [pid 6498] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6500] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6500] <... mmap resumed>) = 0x7f44f9f38000 [pid 6498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0} [pid 5866] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6501 attached [pid 6500] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053 [pid 6500] <... futex resumed>) = 0 [pid 6498] <... clone3 resumed> => {parent_tid=[6501]}, 88) = 6501 [pid 6501] <... rseq resumed>) = 0 [pid 6500] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6501] set_robust_list(0x7f44f9f989a0, 24 [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] <... set_robust_list resumed>) = 0 [pid 6498] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6501] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(3, "", [pid 6501] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6501] <... futex resumed>) = 0 [pid 6498] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] <... futex resumed>) = 1 [pid 5866] getdents64(3, [pid 6500] <... futex resumed>) = 0 [pid 6500] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6500] <... futex resumed>) = 0 [pid 6498] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6498] <... futex resumed>) = 0 [pid 5866] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./57/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./57") = 0 [pid 5866] mkdir("./58", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6502 ./strace-static-x86_64: Process 6502 attached [pid 6502] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6502] chdir("./58") = 0 [pid 6502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6502] setpgid(0, 0) = 0 [pid 6502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6502] write(3, "1000", 4) = 4 [pid 6502] close(3) = 0 [pid 6502] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6502] write(1, "executing program\n", 18) = 18 [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6502] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6502] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6503 attached => {parent_tid=[6503]}, 88) = 6503 [pid 6502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6502] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6503] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6503] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6503] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6502] <... futex resumed>) = 0 [pid 6503] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6502] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6502] <... futex resumed>) = 0 [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6503] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6503] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6502] <... futex resumed>) = 0 [pid 6498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6503] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6503] <... futex resumed>) = 0 [pid 6502] <... futex resumed>) = 0 [pid 6498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6503] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6502] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = 0 [pid 6502] <... futex resumed>) = 1 [pid 6503] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... futex resumed>) = 0 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6503] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6502] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6502] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5864] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x55558acd7730 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 6497] <... io_uring_enter resumed>) = 4096 [pid 6497] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6497] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] exit_group(0 [pid 6499] <... futex resumed>) = ? [pid 6497] <... futex resumed>) = ? [pid 6494] <... exit_group resumed>) = ? [pid 6499] +++ exited with 0 +++ [pid 6497] +++ exited with 0 +++ [pid 6494] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6494, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6500] <... io_uring_enter resumed>) = 4096 [pid 6500] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6500] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] exit_group(0 [pid 6501] <... futex resumed>) = ? [pid 6500] <... futex resumed>) = ? [pid 6498] <... exit_group resumed>) = ? [pid 6501] +++ exited with 0 +++ [pid 6500] +++ exited with 0 +++ [pid 6498] +++ exited with 0 +++ [pid 5865] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6498, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./60/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./60") = 0 [pid 5867] mkdir("./61", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6504 ./strace-static-x86_64: Process 6504 attached [pid 6504] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6504] chdir("./61") = 0 [pid 5865] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6504] setpgid(0, 0) = 0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6504] write(3, "1000", 4) = 4 [pid 6504] close(3) = 0 executing program [pid 6504] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6504] write(1, "executing program\n", 18) = 18 [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6504] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, ./strace-static-x86_64: Process 6505 attached [pid 6505] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6504] <... clone3 resumed> => {parent_tid=[6505]}, 88) = 6505 [pid 6503] <... io_uring_enter resumed>) = 4096 [pid 6505] set_robust_list(0x7f44f9fde9a0, 24 [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 6505] <... set_robust_list resumed>) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6504] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] <... futex resumed>) = 0 [pid 6505] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... openat resumed>) = 3 [pid 6505] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6505] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6504] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6504] <... futex resumed>) = 0 [pid 6505] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6505] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6505] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6504] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6503] <... futex resumed>) = 0 [pid 6504] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6503] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6502] exit_group(0 [pid 6503] <... futex resumed>) = ? [pid 6502] <... exit_group resumed>) = ? [pid 5865] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6505] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6504] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] +++ exited with 0 +++ [pid 6502] +++ exited with 0 +++ [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./57/binderfs" [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6502, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6505] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5866] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... unlink resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] getdents64(3, [pid 5866] newfstatat(3, "", [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 5865] <... close resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./58/binderfs") = 0 [pid 5865] rmdir("./57" [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./58") = 0 [pid 5866] mkdir("./59", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6506 ./strace-static-x86_64: Process 6506 attached [pid 6506] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6506] chdir("./59") = 0 [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... rmdir resumed>) = 0 [pid 6506] setpgid(0, 0) = 0 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6506] write(3, "1000", 4) = 4 [pid 6506] close(3) = 0 executing program [pid 6506] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6506] write(1, "executing program\n", 18) = 18 [pid 6506] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6506] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5865] mkdir("./58", 0777 [pid 6506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6506] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6507 attached [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6507] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6506] <... clone3 resumed> => {parent_tid=[6507]}, 88) = 6507 [pid 6507] <... rseq resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] set_robust_list(0x7f44f9fde9a0, 24 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6506] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] rt_sigprocmask(SIG_SETMASK, [], [pid 6506] <... futex resumed>) = 0 [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6507] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6507] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6507] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6506] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 ./strace-static-x86_64: Process 6508 attached [pid 6507] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6508] set_robust_list(0x55558acd66a0, 24 [pid 6507] <... mmap resumed>) = 0x7f44f9f99000 [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6508 [pid 6508] chdir("./58" [pid 6507] <... mmap resumed>) = 0x7f44f9f59000 [pid 6506] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... chdir resumed>) = 0 [pid 6508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6506] <... futex resumed>) = 0 [pid 6508] <... prctl resumed>) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6507] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... mmap resumed>) = 0x7f44f9f38000 [pid 6507] <... futex resumed>) = 0 [pid 6506] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6507] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] <... mprotect resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} => {parent_tid=[6509]}, 88) = 6509 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6506] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6506] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] setpgid(0, 0./strace-static-x86_64: Process 6509 attached [pid 6509] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053) = 0 [pid 6509] set_robust_list(0x7f44f9f589a0, 24) = 0 [pid 6509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6509] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6509] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = 0 [pid 6506] <... futex resumed>) = 1 [pid 6507] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... futex resumed>) = 0 [pid 6506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6507] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6507] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6506] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] <... setpgid resumed>) = 0 executing program [pid 6508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6508] write(3, "1000", 4) = 4 [pid 6508] close(3) = 0 [pid 6508] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6508] write(1, "executing program\n", 18) = 18 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6508] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6510]}, 88) = 6510 [pid 6508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6508] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6510 attached [pid 6510] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6510] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6510] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6510] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6508] <... futex resumed>) = 0 [pid 6508] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6510] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6510] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6510] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6508] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... futex resumed>) = 1 [pid 6510] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6508] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... futex resumed>) = 1 [pid 6510] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6508] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... futex resumed>) = 1 [pid 6510] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6508] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6505] <... io_uring_enter resumed>) = 4096 [pid 6505] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] exit_group(0) = ? [pid 6505] +++ exited with 0 +++ [pid 6504] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./61/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./61") = 0 [pid 5867] mkdir("./62", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6511 ./strace-static-x86_64: Process 6511 attached [pid 6511] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6511] chdir("./62") = 0 [pid 6511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6511] setpgid(0, 0) = 0 executing program [pid 6511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6511] write(3, "1000", 4) = 4 [pid 6511] close(3) = 0 [pid 6511] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6511] write(1, "executing program\n", 18) = 18 [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6511] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6512 attached => {parent_tid=[6512]}, 88) = 6512 [pid 6511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6511] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6512] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6507] <... io_uring_enter resumed>) = 4096 [pid 6512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6507] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6507] <... futex resumed>) = 0 [pid 6512] <... openat resumed>) = 3 [pid 6507] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6512] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] exit_group(0 [pid 6509] <... futex resumed>) = ? [pid 6507] <... futex resumed>) = ? [pid 6506] <... exit_group resumed>) = ? [pid 6509] +++ exited with 0 +++ [pid 6507] +++ exited with 0 +++ [pid 6506] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6506, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5866] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", [pid 6511] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./59/binderfs" [pid 6511] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6511] <... futex resumed>) = 1 [pid 5866] getdents64(3, [pid 6512] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6512] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] rmdir("./59") = 0 [pid 5866] mkdir("./60", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6512] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6513 [pid 6512] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000./strace-static-x86_64: Process 6513 attached ) = 0x7f44f9f59000 [pid 6512] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6511] <... futex resumed>) = 0 [pid 6512] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] set_robust_list(0x55558acd66a0, 24 [pid 6512] <... futex resumed>) = 0 [pid 6511] <... futex resumed>) = 0 [pid 6513] <... set_robust_list resumed>) = 0 [pid 6512] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] chdir("./60" [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = 0 [pid 6511] <... futex resumed>) = 1 [pid 6512] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] <... futex resumed>) = 0 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6511] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] <... chdir resumed>) = 0 [pid 6513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6513] setpgid(0, 0) = 0 [pid 6513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6513] write(3, "1000", 4) = 4 [pid 6513] close(3) = 0 [pid 6513] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6513] write(1, "executing program\n", 18) = 18 [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6513] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6510] <... io_uring_enter resumed>) = 4096 [pid 6513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6513] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6514]}, 88) = 6514 [pid 6513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6513] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6514 attached [pid 6514] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6510] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] set_robust_list(0x7f44f9fde9a0, 24 [pid 6510] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] <... set_robust_list resumed>) = 0 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6514] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6508] exit_group(0) = ? [pid 6510] <... futex resumed>) = ? [pid 6510] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 6514] <... openat resumed>) = 3 [pid 6514] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6513] <... futex resumed>) = 0 [pid 6513] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6508, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6514] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6514] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6514] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] <... futex resumed>) = 0 [pid 6513] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6514] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6513] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6514] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6513] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6514] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6513] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./58/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] close(3) = 0 [pid 5865] rmdir("./58") = 0 [pid 5865] mkdir("./59", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6515 ./strace-static-x86_64: Process 6515 attached [pid 6515] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6515] chdir("./59") = 0 [pid 6515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6515] setpgid(0, 0executing program ) = 0 [pid 6515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6515] write(3, "1000", 4) = 4 [pid 6515] close(3) = 0 [pid 6515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6515] write(1, "executing program\n", 18) = 18 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6515] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6515] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6516]}, 88) = 6516 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6515] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6516 attached [pid 6516] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6516] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6516] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6516] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6515] <... futex resumed>) = 0 [pid 6516] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6515] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6515] <... futex resumed>) = 0 [pid 6516] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... mmap resumed>) = 0x7f44f9f99000 [pid 6516] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6516] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6515] <... futex resumed>) = 0 [pid 6515] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6515] <... futex resumed>) = 0 [pid 6515] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... futex resumed>) = 0 [pid 6515] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6515] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... futex resumed>) = 1 [pid 6516] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6512] <... io_uring_enter resumed>) = 4096 [pid 6512] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] exit_group(0) = ? [pid 6512] +++ exited with 0 +++ [pid 6511] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6511, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./62/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./62") = 0 [pid 5867] mkdir("./63", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6517 attached [pid 6517] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6517] chdir("./63") = 0 [pid 6517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6517 [pid 6517] <... prctl resumed>) = 0 [pid 6517] setpgid(0, 0) = 0 executing program [pid 6517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6517] write(3, "1000", 4) = 4 [pid 6517] close(3) = 0 [pid 6517] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6517] write(1, "executing program\n", 18) = 18 [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6517] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6517] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6518]}, 88) = 6518 [pid 6517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6517] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6518 attached [pid 6514] <... io_uring_enter resumed>) = 4096 [pid 6518] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6518] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6514] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6514] <... futex resumed>) = 0 [pid 6518] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6514] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6518] <... openat resumed>) = 3 [pid 6518] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6518] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] exit_group(0 [pid 6514] <... futex resumed>) = ? [pid 6513] <... exit_group resumed>) = ? [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] <... futex resumed>) = 0 [pid 6514] +++ exited with 0 +++ [pid 6513] +++ exited with 0 +++ [pid 6518] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6513, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6518] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6518] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6518] <... mmap resumed>) = 0x7f44f9f99000 [pid 6518] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6518] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./60/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./60") = 0 [pid 5866] mkdir("./61", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6518] <... futex resumed>) = 1 [pid 6518] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6519 ./strace-static-x86_64: Process 6519 attached [pid 6519] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6519] chdir("./61") = 0 [pid 6519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6517] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... prctl resumed>) = 0 [pid 6519] setpgid(0, 0) = 0 [pid 6519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6518] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = 1 [pid 6519] write(3, "1000", 4) = 4 [pid 6519] close(3 [pid 6518] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... close resumed>) = 0 executing program [pid 6519] symlink("/dev/binderfs", "./binderfs" [pid 6518] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... symlink resumed>) = 0 [pid 6519] write(1, "executing program\n", 18 [pid 6517] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... write resumed>) = 18 [pid 6518] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6517] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6518] <... futex resumed>) = 0 [pid 6517] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6519] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6519] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6520]}, 88) = 6520 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6519] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6520 attached [pid 6520] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6520] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6520] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6520] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6516] <... io_uring_enter resumed>) = 4096 [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6519] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6519] <... futex resumed>) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6520] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6520] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6515] exit_group(0 [pid 6519] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... exit_group resumed>) = ? [pid 6519] <... futex resumed>) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = 0 [pid 6519] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... futex resumed>) = 1 [pid 6516] +++ exited with 0 +++ [pid 6515] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6515, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./59/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./59") = 0 [pid 6520] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mkdir("./60", 0777 [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6519] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6519] <... futex resumed>) = 0 [pid 6519] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6522 [pid 6520] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0./strace-static-x86_64: Process 6522 attached [pid 6522] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6522] chdir("./60") = 0 [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6522] setpgid(0, 0) = 0 [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6522] write(3, "1000", 4) = 4 [pid 6522] close(3) = 0 [pid 6522] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6522] write(1, "executing program\n", 18) = 18 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6522] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6523]}, 88) = 6523 ./strace-static-x86_64: Process 6523 attached [pid 6523] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6522] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6523] <... rseq resumed>) = 0 [pid 6523] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6523] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6523] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6523] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6522] <... futex resumed>) = 0 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6523] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6523] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6523] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6522] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=34000000} [pid 6523] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6523] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [pid 6523] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] <... io_uring_enter resumed>) = 4096 [pid 6523] <... futex resumed>) = 0 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6522] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] exit_group(0) = ? [pid 6518] <... futex resumed>) = ? [pid 6518] +++ exited with 0 +++ [pid 6517] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6517, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./63/binderfs" [pid 6522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./63") = 0 [pid 5867] mkdir("./64", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6524 attached [pid 6524] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6524 [pid 6524] <... set_robust_list resumed>) = 0 [pid 6524] chdir("./64") = 0 [pid 6524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6524] setpgid(0, 0) = 0 [pid 6520] <... io_uring_enter resumed>) = 4096 [pid 6524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6524] write(3, "1000", 4) = 4 [pid 6520] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] exit_group(0 [pid 6520] <... futex resumed>) = ? [pid 6519] <... exit_group resumed>) = ? [pid 6520] +++ exited with 0 +++ [pid 6519] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6519, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6524] close(3 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6524] <... close resumed>) = 0 [pid 5866] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6524] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6524] <... symlink resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6524] write(1, "executing program\n", 18 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6524] <... write resumed>) = 18 [pid 5866] unlink("./61/binderfs" [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6524] <... futex resumed>) = 0 [pid 5866] getdents64(3, [pid 6524] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] close(3 [pid 6524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... close resumed>) = 0 [pid 6524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] rmdir("./61" [pid 6524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6524] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] mkdir("./62", 0777 [pid 6524] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... mkdir resumed>) = 0 [pid 6524] <... mprotect resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6525 [pid 6524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6525 attached [pid 6525] set_robust_list(0x55558acd66a0, 24 [pid 6524] <... clone3 resumed> => {parent_tid=[6526]}, 88) = 6526 [pid 6525] <... set_robust_list resumed>) = 0 [pid 6524] rt_sigprocmask(SIG_SETMASK, [], [pid 6525] chdir("./62" [pid 6524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6524] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] <... chdir resumed>) = 0 executing program [pid 6525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6525] setpgid(0, 0) = 0 [pid 6525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6525] write(3, "1000", 4) = 4 [pid 6525] close(3) = 0 [pid 6525] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6525] write(1, "executing program\n", 18) = 18 [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6525] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6525] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6527]}, 88) = 6527 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6526 attached ./strace-static-x86_64: Process 6527 attached [pid 6525] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6525] <... futex resumed>) = 0 [pid 6527] <... rseq resumed>) = 0 [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6527] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6526] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6527] <... openat resumed>) = 3 [pid 6526] <... rseq resumed>) = 0 [pid 6526] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6526] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6527] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6525] <... futex resumed>) = 0 [pid 6525] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6524] <... futex resumed>) = 0 [pid 6524] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6526] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6526] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6527] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6526] <... mmap resumed>) = 0x7f44f9f99000 [pid 6527] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6527] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6526] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6527] <... mmap resumed>) = 0x7f44f9f59000 [pid 6526] <... mmap resumed>) = 0x7f44f9f59000 [pid 6527] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6524] <... futex resumed>) = 0 [pid 6526] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... futex resumed>) = 0 [pid 6526] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 1 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6527] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = 0 [pid 6527] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6525] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6527] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6527] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6525] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6525] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... futex resumed>) = 1 [pid 6524] <... futex resumed>) = 0 [pid 6523] <... io_uring_enter resumed>) = 4096 [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=16000000} [pid 6526] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6523] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6524] <... futex resumed>) = 0 [pid 6522] exit_group(0 [pid 6524] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = ? [pid 6522] <... exit_group resumed>) = ? [pid 6526] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] +++ exited with 0 +++ [pid 6522] +++ exited with 0 +++ [pid 6526] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6524] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6522, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5863] kill(-6456, SIGKILL) = 0 [pid 5863] kill(6456, SIGKILL) = 0 [pid 5865] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./60/binderfs" [pid 6524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./60") = 0 [pid 5865] mkdir("./61", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6528 ./strace-static-x86_64: Process 6528 attached [pid 6528] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6528] chdir("./61") = 0 [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6528] setpgid(0, 0) = 0 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6528] write(3, "1000", 4) = 4 [pid 6528] close(3) = 0 [pid 6528] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6528] write(1, "executing program\n", 18executing program ) = 18 [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6528] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6528] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6529 attached => {parent_tid=[6529]}, 88) = 6529 [pid 6528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6528] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... io_uring_enter resumed>) = 4096 [pid 6529] <... rseq resumed>) = 0 [pid 6529] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6529] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6527] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6527] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6525] exit_group(0 [pid 6529] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = ? [pid 6525] <... exit_group resumed>) = ? [pid 6529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6527] +++ exited with 0 +++ [pid 6525] +++ exited with 0 +++ [pid 6529] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6525, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6529] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6529] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6529] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... openat resumed>) = 3 [pid 6529] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] newfstatat(3, "", [pid 6529] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6529] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6528] <... futex resumed>) = 0 [pid 6528] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./62/binderfs") = 0 [pid 6529] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 6526] <... io_uring_enter resumed>) = 4096 [pid 5866] <... close resumed>) = 0 [pid 6529] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6526] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./62" [pid 6529] <... futex resumed>) = 0 [pid 6528] <... futex resumed>) = 0 [pid 6524] exit_group(0 [pid 5866] <... rmdir resumed>) = 0 [pid 6529] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6524] <... exit_group resumed>) = ? [pid 5866] mkdir("./63", 0777 [pid 6528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... mkdir resumed>) = 0 [pid 6528] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6530 attached [pid 6529] <... futex resumed>) = 0 [pid 6528] <... futex resumed>) = 1 [pid 6530] set_robust_list(0x55558acd66a0, 24 [pid 6529] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6528] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6530 [pid 6530] <... set_robust_list resumed>) = 0 [pid 6526] <... futex resumed>) = ? [pid 6530] chdir("./63") = 0 [pid 6530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6530] setpgid(0, 0) = 0 [pid 6530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6530] write(3, "1000", 4) = 4 [pid 6530] close(3) = 0 [pid 6530] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6530] write(1, "executing program\n", 18) = 18 [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6530] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6530] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6526] +++ exited with 0 +++ [pid 6524] +++ exited with 0 +++ [pid 6530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6524, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6531 attached => {parent_tid=[6531]}, 88) = 6531 [pid 6530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6530] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6531] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5867] <... openat resumed>) = 3 [pid 6531] <... rseq resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 6531] set_robust_list(0x7f44f9fde9a0, 24 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6531] <... set_robust_list resumed>) = 0 [pid 5867] getdents64(3, [pid 6531] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6531] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6528] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6531] <... openat resumed>) = 3 [pid 5867] unlink("./64/binderfs" [pid 6531] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6530] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 6531] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6530] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6531] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6530] <... futex resumed>) = 0 [pid 5867] close(3 [pid 6531] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... close resumed>) = 0 [pid 6531] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] rmdir("./64" [pid 6531] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] <... rmdir resumed>) = 0 [pid 6531] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] mkdir("./65", 0777 [pid 6531] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... mkdir resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6530] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6531] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6532 attached [pid 6531] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6532 [pid 6531] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = 1 [pid 6531] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6531] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6530] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] set_robust_list(0x55558acd66a0, 24 [pid 6530] <... futex resumed>) = 0 [pid 6532] <... set_robust_list resumed>) = 0 [pid 6530] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] chdir("./65") = 0 [pid 6532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6532] setpgid(0, 0) = 0 [pid 6532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6532] write(3, "1000", 4) = 4 [pid 6532] close(3) = 0 [pid 6532] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6532] write(1, "executing program\n", 18) = 18 [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6532] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6533]}, 88) = 6533 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6532] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6533 attached [pid 6533] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6533] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6533] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6533] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6532] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6533] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6533] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6533] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = 0 [pid 6532] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 1 [pid 6533] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = 0 [pid 6532] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 1 [pid 6533] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6533] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6532] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6532] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6531] <... io_uring_enter resumed>) = 4096 [pid 6531] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] exit_group(0 [pid 6531] <... futex resumed>) = ? [pid 6530] <... exit_group resumed>) = ? [pid 6531] +++ exited with 0 +++ [pid 6530] +++ exited with 0 +++ [pid 6529] <... io_uring_enter resumed>) = 4096 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6530, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./63/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./63") = 0 [pid 5866] mkdir("./64", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6534 ./strace-static-x86_64: Process 6534 attached [pid 6534] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6534] chdir("./64" [pid 5863] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x55558acd7730 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6534] <... chdir resumed>) = 0 [pid 6529] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] <... io_uring_enter resumed>) = 4096 [pid 6528] exit_group(0 [pid 6529] <... futex resumed>) = ? [pid 6528] <... exit_group resumed>) = ? [pid 6529] +++ exited with 0 +++ [pid 6533] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6533] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6532] exit_group(0) = ? [pid 6533] <... futex resumed>) = ? [pid 6528] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6528, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6533] +++ exited with 0 +++ [pid 6532] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6532, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] <... prctl resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6534] setpgid(0, 0 [pid 5867] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6534] <... setpgid resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./65/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./65") = 0 [pid 5867] mkdir("./66", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6535 ./strace-static-x86_64: Process 6535 attached [pid 6535] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6535] chdir("./66") = 0 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6535] setpgid(0, 0) = 0 [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6535] write(3, "1000", 4 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6534] <... openat resumed>) = 3 [pid 5865] getdents64(3, [pid 6534] write(3, "1000", 4 [pid 6535] <... write resumed>) = 4 [pid 6535] close(3) = 0 [pid 6535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6534] <... write resumed>) = 4 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6534] close(3executing program [pid 6535] write(1, "executing program\n", 18) = 18 [pid 6535] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6535] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6536]}, 88) = 6536 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6535] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6536 attached [pid 6536] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6536] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6536] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6536] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6535] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 6534] <... close resumed>) = 0 [pid 5865] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6536] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6534] <... symlink resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6534] write(1, "executing program\n", 18 [pid 5865] unlink("./61/binderfs" [pid 6536] <... mmap resumed>) = 0x7f44f9f99000 [pid 6534] <... write resumed>) = 18 [pid 5865] <... unlink resumed>) = 0 [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6534] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5865] close(3 [pid 6534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... close resumed>) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] rmdir("./61" [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] mkdir("./62", 0777 [pid 6534] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5865] <... mkdir resumed>) = 0 [pid 6534] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6537 attached [pid 6534] <... mprotect resumed>) = 0 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6537 [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6537] set_robust_list(0x55558acd66a0, 24 [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6537] <... set_robust_list resumed>) = 0 [pid 6537] chdir("./62" [pid 6534] <... clone3 resumed> => {parent_tid=[6538]}, 88) = 6538 [pid 6537] <... chdir resumed>) = 0 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] <... prctl resumed>) = 0 [pid 6534] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] setpgid(0, 0 [pid 6534] <... futex resumed>) = 0 [pid 6537] <... setpgid resumed>) = 0 [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6537] write(3, "1000", 4) = 4 [pid 6537] close(3) = 0 [pid 6537] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6537] write(1, "executing program\n", 18) = 18 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6537] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6537] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6539 attached ./strace-static-x86_64: Process 6538 attached [pid 6536] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6538] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6536] <... mmap resumed>) = 0x7f44f9f59000 [pid 6535] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... rseq resumed>) = 0 [pid 6536] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 0 [pid 6538] set_robust_list(0x7f44f9fde9a0, 24 [pid 6536] <... futex resumed>) = 0 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6536] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] rt_sigprocmask(SIG_SETMASK, [], [pid 6535] <... mmap resumed>) = 0x7f44f9f38000 [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6539] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6538] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6537] <... clone3 resumed> => {parent_tid=[6539]}, 88) = 6539 [pid 6535] <... mprotect resumed>) = 0 [pid 6539] <... rseq resumed>) = 0 [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] set_robust_list(0x7f44f9fde9a0, 24 [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6537] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] <... futex resumed>) = 0 [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6538] <... openat resumed>) = 3 [pid 6535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6539] <... openat resumed>) = 3 [pid 6539] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6537] <... futex resumed>) = 0 [pid 6539] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6537] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6537] <... futex resumed>) = 0 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6538] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6538] <... futex resumed>) = 0 [pid 6535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0} [pid 6538] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6540 attached [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... clone3 resumed> => {parent_tid=[6540]}, 88) = 6540 [pid 6540] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6538] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] <... rseq resumed>) = 0 [pid 6540] set_robust_list(0x7f44f9f589a0, 24 [pid 6534] <... futex resumed>) = 0 [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... mmap resumed>) = 0x7f44f9f99000 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6539] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6538] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] <... mmap resumed>) = 0x7f44f9f59000 [pid 6538] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6535] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 0 [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] <... futex resumed>) = 1 [pid 6538] <... mmap resumed>) = 0x7f44f9f99000 [pid 6535] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6537] <... futex resumed>) = 0 [pid 6540] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6537] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6538] <... mmap resumed>) = 0x7f44f9f59000 [pid 6540] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 1 [pid 6538] <... futex resumed>) = 1 [pid 6536] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... futex resumed>) = 0 [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6534] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6535] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6538] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] <... futex resumed>) = 0 [pid 6534] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6538] <... futex resumed>) = 0 [pid 6534] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6534] <... futex resumed>) = 0 [pid 6534] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6538] <... io_uring_enter resumed>) = 4096 [pid 6538] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6538] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] exit_group(0) = ? [pid 6538] <... futex resumed>) = ? [pid 6539] <... io_uring_enter resumed>) = 4096 [pid 6539] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6539] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] +++ exited with 0 +++ [pid 6534] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6535] exit_group(0 [pid 6540] <... futex resumed>) = ? [pid 6535] <... exit_group resumed>) = ? [pid 6540] +++ exited with 0 +++ [pid 6536] <... io_uring_enter resumed>) = ? [pid 6536] +++ exited with 0 +++ [pid 6535] +++ exited with 0 +++ [pid 5866] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6535, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6537] exit_group(0) = ? [pid 6539] <... futex resumed>) = ? [pid 6539] +++ exited with 0 +++ [pid 6537] +++ exited with 0 +++ [pid 5867] <... openat resumed>) = 3 [pid 5866] <... openat resumed>) = 3 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6537, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] newfstatat(3, "", [pid 5866] newfstatat(3, "", [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", [pid 5866] getdents64(3, [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] getdents64(3, [pid 5866] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5865] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./62/binderfs" [pid 5866] unlink("./64/binderfs" [pid 5865] <... unlink resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] getdents64(3, [pid 5865] close(3 [pid 5867] getdents64(3, [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] close(3 [pid 5865] rmdir("./62") = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... close resumed>) = 0 [pid 5865] mkdir("./63", 0777 [pid 5867] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] rmdir("./64" [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6542 attached [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6542] set_robust_list(0x55558acd66a0, 24 [pid 5867] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5866] mkdir("./65", 0777 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6542 [pid 6542] <... set_robust_list resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6542] chdir("./63" [pid 5867] unlink("./66/binderfs" [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6542] <... chdir resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6542] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6543 attached ) = 0 [pid 5867] getdents64(3, [pid 6543] set_robust_list(0x55558acd66a0, 24 [pid 6542] setpgid(0, 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6543 [pid 6543] <... set_robust_list resumed>) = 0 [pid 6542] <... setpgid resumed>) = 0 [pid 5867] close(3 [pid 6542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... close resumed>) = 0 [pid 6542] <... openat resumed>) = 3 [pid 5867] rmdir("./66") = 0 [pid 6542] write(3, "1000", 4 [pid 5867] mkdir("./67", 0777 [pid 6542] <... write resumed>) = 4 [pid 6543] chdir("./65" [pid 5867] <... mkdir resumed>) = 0 [pid 6542] close(3 [pid 6543] <... chdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6542] <... close resumed>) = 0 [pid 6542] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6544 attached [pid 6542] write(1, "executing program\n", 18executing program [pid 6544] set_robust_list(0x55558acd66a0, 24 [pid 6543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6542] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6544 [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6543] <... prctl resumed>) = 0 [pid 6542] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6543] setpgid(0, 0 [pid 6544] chdir("./67" [pid 6542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6544] <... chdir resumed>) = 0 [pid 6543] <... setpgid resumed>) = 0 [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6542] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6542] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6544] <... prctl resumed>) = 0 [pid 6542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6544] setpgid(0, 0 [pid 6542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6543] <... openat resumed>) = 3 [pid 6542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}executing program [pid 6544] <... setpgid resumed>) = 0 [pid 6543] write(3, "1000", 4./strace-static-x86_64: Process 6545 attached ) = 4 [pid 6543] close(3 [pid 6545] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6543] <... close resumed>) = 0 [pid 6542] <... clone3 resumed> => {parent_tid=[6545]}, 88) = 6545 [pid 6543] symlink("/dev/binderfs", "./binderfs" [pid 6542] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] <... rseq resumed>) = 0 [pid 6545] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6545] rt_sigprocmask(SIG_SETMASK, [], [pid 6543] <... symlink resumed>) = 0 [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6543] write(1, "executing program\n", 18 [pid 6542] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... write resumed>) = 18 [pid 6542] <... futex resumed>) = 0 [pid 6545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] <... futex resumed>) = 0 [pid 6545] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6543] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6545] <... openat resumed>) = 3 [pid 6543] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6543] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6545] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6543] <... mprotect resumed>) = 0 [pid 6542] <... futex resumed>) = 0 [pid 6544] <... openat resumed>) = 3 [pid 6545] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] write(3, "1000", 4 [pid 6543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6542] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6542] <... futex resumed>) = 0 [pid 6543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643./strace-static-x86_64: Process 6546 attached , sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6546] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6544] <... write resumed>) = 4 [pid 6545] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6544] close(3 [pid 6546] <... rseq resumed>) = 0 executing program [pid 6546] set_robust_list(0x7f44f9fde9a0, 24 [pid 6545] <... mmap resumed>) = 0x7f44f9f99000 [pid 6544] <... close resumed>) = 0 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6544] symlink("/dev/binderfs", "./binderfs" [pid 6545] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6546] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] <... mmap resumed>) = 0x7f44f9f59000 [pid 6544] <... symlink resumed>) = 0 [pid 6545] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6542] <... futex resumed>) = 0 [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] write(1, "executing program\n", 18 [pid 6542] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... write resumed>) = 18 [pid 6542] <... futex resumed>) = 0 [pid 6545] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... futex resumed>) = 0 [pid 6543] <... clone3 resumed> => {parent_tid=[6546]}, 88) = 6546 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] <... futex resumed>) = 0 [pid 6544] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6543] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] <... futex resumed>) = 0 [pid 6544] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6545] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6545] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... futex resumed>) = 0 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6542] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] <... futex resumed>) = 1 [pid 6545] <... futex resumed>) = 0 [pid 6544] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6542] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6545] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6544] <... mprotect resumed>) = 0 [pid 6544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6546] <... openat resumed>) = 3 [pid 6544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6546] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6546] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6547 attached [pid 6546] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... clone3 resumed> => {parent_tid=[6547]}, 88) = 6547 [pid 6543] <... futex resumed>) = 0 [pid 6544] rt_sigprocmask(SIG_SETMASK, [], [pid 6543] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... futex resumed>) = 0 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6546] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6544] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6546] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6544] <... futex resumed>) = 0 [pid 6547] <... rseq resumed>) = 0 [pid 6546] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] <... mmap resumed>) = 0x7f44f9f99000 [pid 6547] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6547] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6547] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6547] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6547] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6546] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6547] <... mmap resumed>) = 0x7f44f9f59000 [pid 6546] <... mmap resumed>) = 0x7f44f9f59000 [pid 6546] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6543] <... futex resumed>) = 0 [pid 6543] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 6547] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = 0 [pid 6546] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6547] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6544] <... futex resumed>) = 0 [pid 6544] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6544] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6543] exit_group(0 [pid 6542] exit_group(0 [pid 6543] <... exit_group resumed>) = ? [pid 6542] <... exit_group resumed>) = ? [pid 6544] exit_group(0) = ? [pid 6547] <... io_uring_enter resumed>) = ? [pid 6547] +++ exited with 0 +++ [pid 6546] <... io_uring_enter resumed>) = ? [pid 6545] <... io_uring_enter resumed>) = ? [pid 6544] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6544, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6545] +++ exited with 0 +++ [pid 6542] +++ exited with 0 +++ [pid 5867] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6542, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] getdents64(3, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... openat resumed>) = 3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(3, "", [pid 5867] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] getdents64(3, [pid 5867] unlink("./67/binderfs" [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] <... unlink resumed>) = 0 [pid 5865] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] getdents64(3, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5867] close(3 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... close resumed>) = 0 [pid 5865] unlink("./63/binderfs" [pid 5867] rmdir("./67" [pid 5865] <... unlink resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5865] getdents64(3, [pid 5867] mkdir("./68", 0777 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5865] close(3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./63" [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6549 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./64", 0777) = 0 ./strace-static-x86_64: Process 6549 attached [pid 6546] +++ exited with 0 +++ [pid 6543] +++ exited with 0 +++ [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6543, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5866] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6550 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./65/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3./strace-static-x86_64: Process 6550 attached [pid 6549] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... close resumed>) = 0 [pid 6550] set_robust_list(0x55558acd66a0, 24 [pid 6549] <... set_robust_list resumed>) = 0 [pid 5866] rmdir("./65") = 0 [pid 5866] mkdir("./66", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6551 attached , child_tidptr=0x55558acd6690) = 6551 executing program [pid 6551] set_robust_list(0x55558acd66a0, 24 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6549] chdir("./68") = 0 [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6551] <... set_robust_list resumed>) = 0 [pid 6550] chdir("./64" [pid 6549] setpgid(0, 0) = 0 [pid 6551] chdir("./66" [pid 6550] <... chdir resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6551] <... chdir resumed>) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6550] <... prctl resumed>) = 0 [pid 6549] <... openat resumed>) = 3 [pid 6549] write(3, "1000", 4 [pid 6551] <... prctl resumed>) = 0 [pid 6550] setpgid(0, 0 [pid 6549] <... write resumed>) = 4 [pid 6551] setpgid(0, 0 [pid 6550] <... setpgid resumed>) = 0 [pid 6549] close(3 [pid 6551] <... setpgid resumed>) = 0 [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] <... close resumed>) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] symlink("/dev/binderfs", "./binderfs" [pid 6551] <... openat resumed>) = 3 [pid 6549] <... symlink resumed>) = 0 [pid 6549] write(1, "executing program\n", 18 [pid 6551] write(3, "1000", 4 [pid 6550] <... openat resumed>) = 3 [pid 6549] <... write resumed>) = 18 [pid 6551] <... write resumed>) = 4 [pid 6550] write(3, "1000", 4 [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] close(3 [pid 6550] <... write resumed>) = 4 [pid 6551] <... close resumed>) = 0 [pid 6551] symlink("/dev/binderfs", "./binderfs" [pid 6549] <... futex resumed>) = 0 [pid 6551] <... symlink resumed>) = 0 [pid 6550] close(3executing program [pid 6551] write(1, "executing program\n", 18 [pid 6550] <... close resumed>) = 0 [pid 6551] <... write resumed>) = 18 [pid 6550] symlink("/dev/binderfs", "./binderfs" [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... symlink resumed>) = 0 executing program [pid 6551] <... futex resumed>) = 0 [pid 6550] write(1, "executing program\n", 18 [pid 6551] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6550] <... write resumed>) = 18 [pid 6551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6550] <... futex resumed>) = 0 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6551] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6551] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... mprotect resumed>) = 0 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6550] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6550] <... mprotect resumed>) = 0 [pid 6549] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6553 attached [pid 6551] <... clone3 resumed> => {parent_tid=[6552]}, 88) = 6552 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] <... clone3 resumed> => {parent_tid=[6553]}, 88) = 6553 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6551] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... futex resumed>) = 0 [pid 6553] <... rseq resumed>) = 0 [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] set_robust_list(0x7f44f9fde9a0, 24) = 0 ./strace-static-x86_64: Process 6552 attached [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6552] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6553] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... rseq resumed>) = 0 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] <... futex resumed>) = 1 [pid 6552] set_robust_list(0x7f44f9fde9a0, 24 [pid 6550] <... futex resumed>) = 0 [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6553] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] <... set_robust_list resumed>) = 0 [pid 6549] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6553] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6550] <... futex resumed>) = 0 [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6549] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6553] <... mmap resumed>) = 0x7f44f9f99000 [pid 6553] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6553] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] <... futex resumed>) = 0 [pid 6550] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6553] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6553] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6553] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6549] <... mprotect resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6552] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6552] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... futex resumed>) = 0 [pid 6551] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 1 [pid 6552] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6552] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6552] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6552] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6552] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6552] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 1 [pid 6552] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6551] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6551] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6554 attached => {parent_tid=[6554]}, 88) = 6554 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] <... rseq resumed>) = 0 [pid 6550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6554] set_robust_list(0x7f44f9fde9a0, 24 [pid 6549] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6549] <... futex resumed>) = 0 [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6554] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6549] <... futex resumed>) = 0 [pid 6554] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6549] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6554] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6554] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6554] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6554] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6554] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6549] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = 0 [pid 6549] <... futex resumed>) = 1 [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... futex resumed>) = 0 [pid 6554] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6549] <... futex resumed>) = 0 [pid 6554] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6549] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... io_uring_enter resumed>) = 4096 [pid 6552] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] exit_group(0 [pid 6553] <... io_uring_enter resumed>) = 4096 [pid 6552] <... futex resumed>) = ? [pid 6551] <... exit_group resumed>) = ? [pid 6552] +++ exited with 0 +++ [pid 6551] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6551, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6553] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] exit_group(0) = ? [pid 6553] <... futex resumed>) = ? [pid 5866] <... restart_syscall resumed>) = 0 [pid 6553] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 5866] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] getdents64(3, [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./66/binderfs" [pid 5865] unlink("./64/binderfs" [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] getdents64(3, [pid 5866] close(3 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./66" [pid 5865] close(3) = 0 [pid 5865] rmdir("./64") = 0 [pid 5865] mkdir("./65", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6555 attached [pid 5866] <... rmdir resumed>) = 0 [pid 6555] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6555 [pid 6555] <... set_robust_list resumed>) = 0 [pid 6555] chdir("./65") = 0 [pid 6555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6555] setpgid(0, 0 [pid 5866] mkdir("./67", 0777) = 0 [pid 6555] <... setpgid resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6556 ./strace-static-x86_64: Process 6556 attached [pid 6555] <... openat resumed>) = 3 [pid 6555] write(3, "1000", 4) = 4 [pid 6555] close(3 [pid 6556] set_robust_list(0x55558acd66a0, 24executing program [pid 6555] <... close resumed>) = 0 [pid 6555] symlink("/dev/binderfs", "./binderfs" [pid 6556] <... set_robust_list resumed>) = 0 [pid 6555] <... symlink resumed>) = 0 [pid 6555] write(1, "executing program\n", 18) = 18 [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6555] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6554] <... io_uring_enter resumed>) = 4096 [pid 6555] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6556] chdir("./67" [pid 6555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6556] <... chdir resumed>) = 0 [pid 6554] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6554] <... futex resumed>) = 0 [pid 6556] <... prctl resumed>) = 0 [pid 6554] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] setpgid(0, 0 [pid 6549] exit_group(0 [pid 6556] <... setpgid resumed>) = 0 [pid 6549] <... exit_group resumed>) = ? [pid 6556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6554] <... futex resumed>) = ? [pid 6555] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6556] <... openat resumed>) = 3 [pid 6555] <... mprotect resumed>) = 0 [pid 6555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6557]}, 88) = 6557 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6555] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] +++ exited with 0 +++ [pid 6549] +++ exited with 0 +++ [pid 6555] <... futex resumed>) = 0 [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6549, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6557 attached [pid 6556] write(3, "1000", 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6557] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6556] <... write resumed>) = 4 [pid 6557] <... rseq resumed>) = 0 [pid 6556] close(3 [pid 6557] set_robust_list(0x7f44f9fde9a0, 24 [pid 6556] <... close resumed>) = 0 [pid 6557] <... set_robust_list resumed>) = 0 [pid 6556] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5867] <... restart_syscall resumed>) = 0 executing program [pid 6556] write(1, "executing program\n", 18) = 18 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6557] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6557] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6556] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6557] <... openat resumed>) = 3 [pid 6556] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6557] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... mprotect resumed>) = 0 [pid 6557] <... futex resumed>) = 1 [pid 6556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6557] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6558]}, 88) = 6558 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6556] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] <... futex resumed>) = 0 [pid 6555] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6557] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6557] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5867] <... openat resumed>) = 3 [pid 6557] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] newfstatat(3, "", [pid 6557] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6558 attached [pid 6557] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 6557] <... futex resumed>) = 1 [pid 6558] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6555] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6555] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6558] <... rseq resumed>) = 0 [pid 6557] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = 0 [pid 6557] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6558] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6558] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6556] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6558] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6558] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6558] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6556] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6555] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] unlink("./68/binderfs" [pid 6557] <... futex resumed>) = 0 [pid 6556] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = 1 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... unlink resumed>) = 0 [pid 6557] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] getdents64(3, [pid 6558] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6558] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 5867] close(3 [pid 6556] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = 0 [pid 6556] <... futex resumed>) = 0 [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6555] <... futex resumed>) = 0 [pid 5867] rmdir("./68" [pid 6555] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... futex resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [pid 6557] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6555] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] mkdir("./69", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6556] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6559 attached [pid 6555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6559] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6559 [pid 6559] <... set_robust_list resumed>) = 0 [pid 6559] chdir("./69") = 0 [pid 6559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6559] setpgid(0, 0) = 0 [pid 6559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6559] write(3, "1000", 4) = 4 [pid 6559] close(3) = 0 [pid 6559] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6559] write(1, "executing program\n", 18) = 18 [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6559] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6559] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6561 attached => {parent_tid=[6561]}, 88) = 6561 [pid 6559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6561] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6561] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6561] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 0 [pid 6559] <... futex resumed>) = 1 [pid 6561] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] <... openat resumed>) = 3 [pid 6561] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6561] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6559] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 0 [pid 6559] <... futex resumed>) = 1 [pid 6561] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6561] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6561] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6561] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] <... futex resumed>) = 0 [pid 6559] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... io_uring_enter resumed>) = 4096 [pid 6559] <... futex resumed>) = 1 [pid 6561] <... futex resumed>) = 0 [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6559] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] <... futex resumed>) = 1 [pid 6559] <... futex resumed>) = 0 [pid 6561] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 0 [pid 6559] <... futex resumed>) = 0 [pid 6561] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6559] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6558] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] exit_group(0) = ? [pid 6558] <... futex resumed>) = ? [pid 6558] +++ exited with 0 +++ [pid 6556] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6556, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./67/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./67") = 0 [pid 5866] mkdir("./68", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6562 attached , child_tidptr=0x55558acd6690) = 6562 [pid 6562] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6562] chdir("./68") = 0 [pid 6559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6562] setpgid(0, 0) = 0 [pid 6562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6562] write(3, "1000", 4) = 4 [pid 6562] close(3) = 0 executing program [pid 6562] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6562] write(1, "executing program\n", 18) = 18 [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6562] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6563 attached => {parent_tid=[6563]}, 88) = 6563 [pid 6562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6562] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6563] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6563] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6563] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = 0 [pid 6562] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] <... futex resumed>) = 1 [pid 6563] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6563] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6563] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6563] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6562] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6563] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = 0 [pid 6562] <... futex resumed>) = 0 [pid 6563] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = 0 [pid 6562] <... futex resumed>) = 1 [pid 6563] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6562] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6555] exit_group(0) = ? [pid 6557] <... io_uring_enter resumed>) = ? [pid 6557] +++ exited with 0 +++ [pid 6555] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6555, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./65/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./65") = 0 [pid 5865] mkdir("./66", 0777) = 0 [pid 6559] exit_group(0) = ? [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6565 ./strace-static-x86_64: Process 6565 attached [pid 6565] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6565] chdir("./66") = 0 [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6565] setpgid(0, 0) = 0 [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6561] <... io_uring_enter resumed>) = ? [pid 6565] <... openat resumed>) = 3 [pid 6565] write(3, "1000", 4) = 4 [pid 6565] close(3) = 0 [pid 6565] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6561] +++ exited with 0 +++ [pid 6559] +++ exited with 0 +++ [pid 6565] write(1, "executing program\n", 18 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6559, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", executing program [pid 6565] <... write resumed>) = 18 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, [pid 6565] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6565] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] newfstatat(AT_FDCWD, "./69/binderfs", [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] unlink("./69/binderfs" [pid 6565] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... unlink resumed>) = 0 [pid 6565] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] getdents64(3, [pid 6565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6566]}, 88) = 6566 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6565] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6566 attached [pid 6566] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6566] <... rseq resumed>) = 0 [pid 6566] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6566] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6566] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6565] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6566] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] close(3 [pid 6566] <... mmap resumed>) = 0x7f44f9f99000 [pid 5867] <... close resumed>) = 0 [pid 6566] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 5867] rmdir("./69" [pid 6566] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6565] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./70", 0777) = 0 [pid 6566] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6565] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6567 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6567 attached [pid 6566] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6565] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] exit_group(0 [pid 6565] <... futex resumed>) = 0 [pid 6565] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... exit_group resumed>) = ? [pid 6567] set_robust_list(0x55558acd66a0, 24 [pid 6566] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6567] <... set_robust_list resumed>) = 0 [pid 6567] chdir("./70") = 0 [pid 6567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6567] setpgid(0, 0) = 0 [pid 6567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6567] write(3, "1000", 4) = 4 [pid 6567] close(3) = 0 [pid 6567] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6567] write(1, "executing program\n", 18) = 18 [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6567] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6568]}, 88) = 6568 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6567] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6568 attached [pid 6568] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6568] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6568] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6568] <... openat resumed>) = 3 [pid 6568] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] <... futex resumed>) = 0 [pid 6567] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 1 [pid 6568] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6568] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6568] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] <... futex resumed>) = 0 [pid 6567] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 1 [pid 6568] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6568] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6567] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 1 [pid 6568] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6567] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] <... io_uring_enter resumed>) = ? [pid 6563] +++ exited with 0 +++ [pid 6562] +++ exited with 0 +++ [pid 6567] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6562, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./68/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./68") = 0 [pid 5866] mkdir("./69", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6569 attached , child_tidptr=0x55558acd6690) = 6569 [pid 6569] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6569] chdir("./69") = 0 [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6569] setpgid(0, 0) = 0 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6569] write(3, "1000", 4) = 4 [pid 6569] close(3) = 0 [pid 6569] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6569] write(1, "executing program\n", 18) = 18 [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6569] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6569] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6570 attached [pid 6570] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6569] <... clone3 resumed> => {parent_tid=[6570]}, 88) = 6570 [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6570] <... rseq resumed>) = 0 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] set_robust_list(0x7f44f9fde9a0, 24 [pid 6569] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6569] <... futex resumed>) = 0 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6570] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6570] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] <... futex resumed>) = 0 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6569] <... futex resumed>) = 0 [pid 6570] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] <... io_uring_enter resumed>) = 4096 [pid 6570] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6566] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... mmap resumed>) = 0x7f44f9f99000 [pid 6566] <... futex resumed>) = 0 [pid 6565] exit_group(0) = ? [pid 6570] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6570] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] +++ exited with 0 +++ [pid 6565] +++ exited with 0 +++ [pid 6570] <... futex resumed>) = 1 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6565, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6570] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6569] <... futex resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = 1 [pid 5865] <... openat resumed>) = 3 [pid 6570] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] newfstatat(3, "", [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6570] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6570] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = 1 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6570] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6569] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] unlink("./66/binderfs" [pid 6568] <... io_uring_enter resumed>) = 4096 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./66") = 0 [pid 5865] mkdir("./67", 0777 [pid 6568] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6568] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] exit_group(0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6572 ./strace-static-x86_64: Process 6572 attached [pid 6568] <... futex resumed>) = ? [pid 6567] <... exit_group resumed>) = ? [pid 6568] +++ exited with 0 +++ [pid 6569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6572] set_robust_list(0x55558acd66a0, 24 [pid 6567] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6567, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6572] <... set_robust_list resumed>) = 0 [pid 5867] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6572] chdir("./67" [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6572] <... chdir resumed>) = 0 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] getdents64(3, [pid 6572] <... prctl resumed>) = 0 [pid 6572] setpgid(0, 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6572] <... setpgid resumed>) = 0 [pid 5867] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./70/binderfs", [pid 6572] <... openat resumed>) = 3 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6572] write(3, "1000", 4 [pid 5867] unlink("./70/binderfs") = 0 [pid 6572] <... write resumed>) = 4 [pid 5867] getdents64(3, [pid 6572] close(3 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 6572] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6572] symlink("/dev/binderfs", "./binderfs" [pid 5867] rmdir("./70" [pid 6572] <... symlink resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./71", 0777) = 0 [pid 6572] write(1, "executing program\n", 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6572] <... write resumed>) = 18 ./strace-static-x86_64: Process 6573 attached [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6573 [pid 6573] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6572] <... futex resumed>) = 0 executing program [pid 6573] chdir("./71" [pid 6572] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6573] <... chdir resumed>) = 0 [pid 6573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6572] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6573] <... prctl resumed>) = 0 [pid 6573] setpgid(0, 0 [pid 6572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6573] <... setpgid resumed>) = 0 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6573] <... openat resumed>) = 3 [pid 6572] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6573] write(3, "1000", 4 [pid 6572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6573] <... write resumed>) = 4 [pid 6572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6573] close(3 [pid 6572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6573] <... close resumed>) = 0 ./strace-static-x86_64: Process 6574 attached [pid 6573] symlink("/dev/binderfs", "./binderfs" [pid 6574] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6573] <... symlink resumed>) = 0 [pid 6572] <... clone3 resumed> => {parent_tid=[6574]}, 88) = 6574 [pid 6574] <... rseq resumed>) = 0 [pid 6573] write(1, "executing program\n", 18executing program ) = 18 [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] set_robust_list(0x7f44f9fde9a0, 24 [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... set_robust_list resumed>) = 0 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] rt_sigprocmask(SIG_SETMASK, [], [pid 6573] <... futex resumed>) = 0 [pid 6572] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6573] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6572] <... futex resumed>) = 0 [pid 6573] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6574] <... openat resumed>) = 3 [pid 6573] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6574] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6574] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6572] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6572] <... futex resumed>) = 0 [pid 6573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6574] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... mmap resumed>) = 0x7f44f9f99000 [pid 6574] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6575 attached [pid 6574] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6573] <... clone3 resumed> => {parent_tid=[6575]}, 88) = 6575 [pid 6574] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6575] <... rseq resumed>) = 0 [pid 6574] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] set_robust_list(0x7f44f9fde9a0, 24 [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... futex resumed>) = 0 [pid 6575] <... set_robust_list resumed>) = 0 [pid 6574] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6573] <... futex resumed>) = 0 [pid 6575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] <... futex resumed>) = 0 [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6574] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... futex resumed>) = 0 [pid 6575] <... openat resumed>) = 3 [pid 6574] <... futex resumed>) = 0 [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6575] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6573] <... futex resumed>) = 0 [pid 6572] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6574] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6573] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... futex resumed>) = 0 [pid 6575] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6573] <... futex resumed>) = 0 [pid 6572] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... mmap resumed>) = 0x7f44f9f99000 [pid 6575] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6575] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6573] <... futex resumed>) = 0 [pid 6575] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = 0 [pid 6575] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6573] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = 1 [pid 6575] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6575] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6573] <... futex resumed>) = 0 [pid 6575] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6573] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6572] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6570] <... io_uring_enter resumed>) = 4096 [pid 6570] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6569] exit_group(0 [pid 6570] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] <... exit_group resumed>) = ? [pid 6570] <... futex resumed>) = ? [pid 6570] +++ exited with 0 +++ [pid 6569] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6569, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./69/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./69") = 0 [pid 5866] mkdir("./70", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6576 attached , child_tidptr=0x55558acd6690) = 6576 [pid 6576] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6576] chdir("./70") = 0 [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6576] setpgid(0, 0) = 0 executing program [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6576] write(3, "1000", 4) = 4 [pid 6576] close(3) = 0 [pid 6576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6576] write(1, "executing program\n", 18) = 18 [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6576] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6577]}, 88) = 6577 [pid 6576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6576] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6577 attached [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6577] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6577] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6577] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6577] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6576] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6577] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6577] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6577] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6576] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6576] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... futex resumed>) = 0 [pid 6576] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 1 [pid 6577] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6576] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6575] <... io_uring_enter resumed>) = 4096 [pid 6575] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6575] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] exit_group(0 [pid 6575] <... futex resumed>) = ? [pid 6573] <... exit_group resumed>) = ? [pid 6575] +++ exited with 0 +++ [pid 6573] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6573, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6574] <... io_uring_enter resumed>) = 4096 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6574] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6574] <... futex resumed>) = 0 [pid 6574] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6572] exit_group(0 [pid 5867] getdents64(3, [pid 6572] <... exit_group resumed>) = ? [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6574] <... futex resumed>) = ? [pid 5867] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./71/binderfs" [pid 6574] +++ exited with 0 +++ [pid 6572] +++ exited with 0 +++ [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6572, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./71" [pid 5865] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... rmdir resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5867] mkdir("./72", 0777) = 0 [pid 5865] newfstatat(3, "", [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./67/binderfs", ./strace-static-x86_64: Process 6579 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6579 [pid 5865] unlink("./67/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./67") = 0 [pid 5865] mkdir("./68", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6580 attached [pid 6580] set_robust_list(0x55558acd66a0, 24 [pid 6579] set_robust_list(0x55558acd66a0, 24 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... set_robust_list resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6580 [pid 6580] chdir("./68" [pid 6579] chdir("./72" [pid 6580] <... chdir resumed>) = 0 [pid 6579] <... chdir resumed>) = 0 [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6580] <... prctl resumed>) = 0 [pid 6579] <... prctl resumed>) = 0 [pid 6580] setpgid(0, 0 [pid 6579] setpgid(0, 0 [pid 6580] <... setpgid resumed>) = 0 [pid 6579] <... setpgid resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6580] <... openat resumed>) = 3 [pid 6579] <... openat resumed>) = 3 [pid 6580] write(3, "1000", 4 [pid 6579] write(3, "1000", 4 [pid 6580] <... write resumed>) = 4 [pid 6579] <... write resumed>) = 4 [pid 6580] close(3 [pid 6579] close(3 [pid 6580] <... close resumed>) = 0 [pid 6579] <... close resumed>) = 0 [pid 6579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6580] symlink("/dev/binderfs", "./binderfs"executing program executing program ) = 0 [pid 6579] write(1, "executing program\n", 18 [pid 6580] write(1, "executing program\n", 18 [pid 6579] <... write resumed>) = 18 [pid 6580] <... write resumed>) = 18 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6579] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6580] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6579] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6580] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6579] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6579] <... mprotect resumed>) = 0 [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6580] <... clone3 resumed> => {parent_tid=[6581]}, 88) = 6581 [pid 6579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6580] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] <... clone3 resumed> => {parent_tid=[6582]}, 88) = 6582 ./strace-static-x86_64: Process 6582 attached ./strace-static-x86_64: Process 6581 attached [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6579] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6579] <... futex resumed>) = 0 [pid 6581] set_robust_list(0x7f44f9fde9a0, 24 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6582] <... rseq resumed>) = 0 [pid 6582] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6582] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6579] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6582] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6581] <... openat resumed>) = 3 [pid 6582] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6582] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6582] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6579] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6579] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 1 [pid 6582] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6579] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 1 [pid 6582] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6581] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6581] <... futex resumed>) = 0 [pid 6580] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6581] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6579] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6581] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6581] <... mmap resumed>) = 0x7f44f9f59000 [pid 6581] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6581] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] <... futex resumed>) = 0 [pid 6580] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 0 [pid 6581] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6581] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 1 [pid 6581] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6580] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6577] <... io_uring_enter resumed>) = 4096 [pid 6577] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] exit_group(0) = ? [pid 6577] +++ exited with 0 +++ [pid 6576] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6576, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./70/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./70") = 0 [pid 5866] mkdir("./71", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6583 ./strace-static-x86_64: Process 6583 attached [pid 6583] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6583] chdir("./71") = 0 [pid 6583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6583] setpgid(0, 0) = 0 [pid 6583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6583] write(3, "1000", 4) = 4 [pid 6583] close(3) = 0 [pid 6583] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6583] write(1, "executing program\n", 18) = 18 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6583] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6584]}, 88) = 6584 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6583] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6584 attached [pid 6584] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6584] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6584] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6584] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6584] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6584] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6584] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] <... futex resumed>) = 0 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6583] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... io_uring_enter resumed>) = 4096 [pid 6583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6582] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6582] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] exit_group(0 [pid 6582] <... futex resumed>) = ? [pid 6579] <... exit_group resumed>) = ? [pid 6582] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./72/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./72") = 0 [pid 5867] mkdir("./73", 0777 [pid 6581] <... io_uring_enter resumed>) = 4096 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6585 attached [pid 6585] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6585] chdir("./73") = 0 [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6585] setpgid(0, 0) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6585 [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6585] write(3, "1000", 4) = 4 [pid 6585] close(3) = 0 [pid 6585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6585] write(1, "executing program\n", 18executing program ) = 18 [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] exit_group(0 [pid 6585] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = ? [pid 6580] <... exit_group resumed>) = ? [pid 6585] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6585] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6581] +++ exited with 0 +++ [pid 6580] +++ exited with 0 +++ [pid 6585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6586]}, 88) = 6586 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6586 attached NULL, 8) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6580, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6586] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6585] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... rseq resumed>) = 0 [pid 6586] set_robust_list(0x7f44f9fde9a0, 24 [pid 5865] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6586] <... set_robust_list resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6586] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] getdents64(3, [pid 6586] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6586] <... openat resumed>) = 3 [pid 5865] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] <... futex resumed>) = 1 [pid 5865] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6586] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] <... futex resumed>) = 0 [pid 6586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6585] <... futex resumed>) = 0 [pid 5865] unlink("./68/binderfs" [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 6586] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6586] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] close(3) = 0 [pid 6586] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] rmdir("./68") = 0 [pid 6586] <... mmap resumed>) = 0x7f44f9f59000 [pid 5865] mkdir("./69", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6587 ./strace-static-x86_64: Process 6587 attached [pid 6587] set_robust_list(0x55558acd66a0, 24 [pid 6586] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... set_robust_list resumed>) = 0 [pid 6587] chdir("./69") = 0 [pid 6586] <... futex resumed>) = 1 [pid 6585] <... futex resumed>) = 0 [pid 6585] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6586] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... prctl resumed>) = 0 [pid 6586] <... futex resumed>) = 1 [pid 6586] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] <... futex resumed>) = 0 [pid 6587] setpgid(0, 0) = 0 [pid 6585] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 1 [pid 6586] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6585] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6587] write(3, "1000", 4) = 4 [pid 6587] close(3) = 0 [pid 6587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6587] write(1, "executing program\n", 18executing program ) = 18 [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6587] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6584] <... io_uring_enter resumed>) = 4096 [pid 6587] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6584] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] exit_group(0) = ? [pid 6584] <... futex resumed>) = ? [pid 6587] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6584] +++ exited with 0 +++ [pid 6583] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6583, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6587] <... mprotect resumed>) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6588 attached [pid 5866] unlink("./71/binderfs" [pid 6588] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6587] <... clone3 resumed> => {parent_tid=[6588]}, 88) = 6588 [pid 5866] <... unlink resumed>) = 0 [pid 6588] <... rseq resumed>) = 0 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] getdents64(3, [pid 6588] set_robust_list(0x7f44f9fde9a0, 24 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6588] <... set_robust_list resumed>) = 0 [pid 5866] close(3 [pid 6588] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... close resumed>) = 0 [pid 6588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] rmdir("./71" [pid 6588] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./72", 0777 [pid 6587] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... mkdir resumed>) = 0 [pid 6588] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6588] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... openat resumed>) = 3 [pid 6588] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6589 [pid 6588] <... futex resumed>) = 0 [pid 6588] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6589 attached [pid 6587] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] set_robust_list(0x55558acd66a0, 24 [pid 6588] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6588] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6588] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6588] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6588] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6588] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] <... set_robust_list resumed>) = 0 [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] chdir("./72" [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6587] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... chdir resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] <... prctl resumed>) = 0 [pid 6588] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] setpgid(0, 0) = 0 [pid 6587] <... futex resumed>) = 0 [pid 6587] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 1 [pid 6588] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = 0 [pid 6587] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 1 [pid 6588] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6589] <... openat resumed>) = 3 [pid 6589] write(3, "1000", 4) = 4 [pid 6589] close(3) = 0 [pid 6589] symlink("/dev/binderfs", "./binderfs" [pid 6587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6587] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6589] <... symlink resumed>) = 0 [pid 6587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6589] write(1, "executing program\n", 18) = 18 [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] exit_group(0) = ? [pid 6589] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6586] <... io_uring_enter resumed>) = ? [pid 6589] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6589] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6590 attached [pid 6590] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6589] <... clone3 resumed> => {parent_tid=[6590]}, 88) = 6590 [pid 6590] <... rseq resumed>) = 0 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] set_robust_list(0x7f44f9fde9a0, 24 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6590] <... set_robust_list resumed>) = 0 [pid 6589] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], [pid 6589] <... futex resumed>) = 0 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6590] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6589] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] +++ exited with 0 +++ [pid 6585] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6585, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6590] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./73/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6590] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5867] close(3) = 0 [pid 5867] rmdir("./73") = 0 [pid 5867] mkdir("./74", 0777) = 0 [pid 6590] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6590] <... mmap resumed>) = 0x7f44f9f59000 ./strace-static-x86_64: Process 6591 attached [pid 6591] set_robust_list(0x55558acd66a0, 24 [pid 6590] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6591 [pid 6590] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6590] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 1 [pid 6590] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] chdir("./74" [pid 6590] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... chdir resumed>) = 0 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] <... futex resumed>) = 0 [pid 6591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6590] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6589] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] <... prctl resumed>) = 0 [pid 6591] setpgid(0, 0) = 0 [pid 6591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6591] write(3, "1000", 4) = 4 [pid 6591] close(3) = 0 [pid 6591] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6591] write(1, "executing program\n", 18) = 18 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6591] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6591] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6592 attached => {parent_tid=[6592]}, 88) = 6592 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6591] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6587] exit_group(0) = ? [pid 6592] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6592] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6592] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6592] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6591] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6592] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6591] <... futex resumed>) = 0 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... mmap resumed>) = 0x7f44f9f99000 [pid 6588] <... io_uring_enter resumed>) = ? [pid 6592] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6592] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6592] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6592] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... futex resumed>) = 0 [pid 6592] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] +++ exited with 0 +++ [pid 6587] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6587, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6591] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6592] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = 1 [pid 5865] newfstatat(AT_FDCWD, "./69/binderfs", [pid 6592] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6592] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] unlink("./69/binderfs" [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6592] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6591] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./69") = 0 [pid 5865] mkdir("./70", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6594 ./strace-static-x86_64: Process 6594 attached [pid 6594] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6594] chdir("./70") = 0 [pid 6594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6594] setpgid(0, 0 [pid 6591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6594] <... setpgid resumed>) = 0 [pid 6594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6594] write(3, "1000", 4) = 4 [pid 6594] close(3) = 0 [pid 6594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6594] write(1, "executing program\n", 18executing program ) = 18 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6589] exit_group(0) = ? [pid 6594] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6590] <... io_uring_enter resumed>) = ? [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6594] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6590] +++ exited with 0 +++ [pid 6589] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6589, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6594] <... mprotect resumed>) = 0 [pid 6594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6595 attached => {parent_tid=[6595]}, 88) = 6595 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6594] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6595] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6595] <... rseq resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6595] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... openat resumed>) = 3 [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] newfstatat(3, "", [pid 6595] <... openat resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6595] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6594] <... futex resumed>) = 0 [pid 6594] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... futex resumed>) = 1 [pid 6595] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6595] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6595] <... mmap resumed>) = 0x7f44f9f99000 [pid 6595] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6595] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... futex resumed>) = 0 [pid 6594] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6594] <... futex resumed>) = 0 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... futex resumed>) = 1 [pid 6595] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... futex resumed>) = 0 [pid 6594] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... futex resumed>) = 1 [pid 6595] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... futex resumed>) = 0 [pid 6594] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... futex resumed>) = 1 [pid 6595] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./72/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./72") = 0 [pid 5866] mkdir("./73", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6596 attached [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6596 [pid 6596] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6596] chdir("./73") = 0 [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6596] setpgid(0, 0) = 0 [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6596] write(3, "1000", 4) = 4 [pid 6596] close(3) = 0 [pid 6596] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6596] write(1, "executing program\n", 18) = 18 [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6596] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6596] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6597]}, 88) = 6597 ./strace-static-x86_64: Process 6597 attached [pid 6596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6596] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6596] <... futex resumed>) = 0 [pid 6597] <... rseq resumed>) = 0 [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6597] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6597] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6597] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] <... futex resumed>) = 0 [pid 6596] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 6597] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6592] <... io_uring_enter resumed>) = 4096 [pid 6597] <... mmap resumed>) = 0x7f44f9f99000 [pid 6597] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6597] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] exit_group(0) = ? [pid 6597] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6596] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = ? [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 0 [pid 6597] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] +++ exited with 0 +++ [pid 6591] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6591, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6596] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 6597] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6597] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... futex resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6597] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 6596] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./74/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./74") = 0 [pid 5867] mkdir("./75", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6598 ./strace-static-x86_64: Process 6598 attached [pid 6598] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6598] chdir("./75") = 0 [pid 6598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6598] setpgid(0, 0) = 0 [pid 6598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6598] write(3, "1000", 4) = 4 [pid 6598] close(3) = 0 [pid 6598] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6598] write(1, "executing program\n", 18) = 18 [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6598] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6598] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6599 attached [pid 6599] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6598] <... clone3 resumed> => {parent_tid=[6599]}, 88) = 6599 [pid 6599] <... rseq resumed>) = 0 [pid 6598] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] set_robust_list(0x7f44f9fde9a0, 24 [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6598] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], [pid 6596] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6598] <... futex resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... openat resumed>) = 3 [pid 6599] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6599] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] <... futex resumed>) = 0 [pid 6598] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 0 [pid 6598] <... futex resumed>) = 1 [pid 6599] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6599] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6599] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6599] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6599] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] <... futex resumed>) = 0 [pid 6598] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6599] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 0 [pid 6598] <... futex resumed>) = 1 [pid 6599] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... futex resumed>) = 0 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6598] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6598] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... io_uring_enter resumed>) = 4096 [pid 6595] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] exit_group(0) = ? [pid 6598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6595] <... futex resumed>) = ? [pid 6595] +++ exited with 0 +++ [pid 6594] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6594, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./70/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./70") = 0 [pid 5865] mkdir("./71", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6601 ./strace-static-x86_64: Process 6601 attached [pid 6601] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6601] chdir("./71") = 0 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6601] setpgid(0, 0) = 0 [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6601] write(3, "1000", 4 [pid 6597] <... io_uring_enter resumed>) = 4096 [pid 6597] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6597] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] exit_group(0 [pid 6597] <... futex resumed>) = ? [pid 6596] <... exit_group resumed>) = ? [pid 6601] <... write resumed>) = 4 [pid 6597] +++ exited with 0 +++ [pid 6596] +++ exited with 0 +++ [pid 6601] close(3 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6596, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./73/binderfs" [pid 6601] <... close resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 6601] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./73") = 0 [pid 5866] mkdir("./74", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6602 attached , child_tidptr=0x55558acd6690) = 6602 [pid 6602] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6602] chdir("./74") = 0 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6601] <... symlink resumed>) = 0 [pid 6602] <... prctl resumed>) = 0 [pid 6602] setpgid(0, 0) = 0 [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6602] write(3, "1000", 4) = 4 [pid 6602] close(3) = 0 [pid 6602] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6602] write(1, "executing program\n", 18 [pid 6601] write(1, "executing program\n", 18executing program executing program [pid 6602] <... write resumed>) = 18 [pid 6601] <... write resumed>) = 18 [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6602] <... futex resumed>) = 0 [pid 6601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6602] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6602] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6602] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6601] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6601] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6601] <... mprotect resumed>) = 0 [pid 6601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6602] <... clone3 resumed> => {parent_tid=[6603]}, 88) = 6603 [pid 6601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6604 attached [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6603 attached [pid 6604] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6602] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... clone3 resumed> => {parent_tid=[6604]}, 88) = 6604 [pid 6604] <... rseq resumed>) = 0 [pid 6602] <... futex resumed>) = 0 [pid 6601] rt_sigprocmask(SIG_SETMASK, [], [pid 6604] set_robust_list(0x7f44f9fde9a0, 24 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] <... set_robust_list resumed>) = 0 [pid 6601] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] <... futex resumed>) = 0 [pid 6604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6603] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6598] exit_group(0 [pid 6603] set_robust_list(0x7f44f9fde9a0, 24 [pid 6598] <... exit_group resumed>) = ? [pid 6603] <... set_robust_list resumed>) = 0 [pid 6603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6603] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6603] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6602] <... futex resumed>) = 0 [pid 6602] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] <... openat resumed>) = 3 [pid 6603] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6603] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6604] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6599] <... io_uring_enter resumed>) = ? [pid 6604] <... futex resumed>) = 1 [pid 6603] <... mmap resumed>) = 0x7f44f9f59000 [pid 6601] <... futex resumed>) = 0 [pid 6604] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6601] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6602] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... futex resumed>) = 0 [pid 6604] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6603] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = 0 [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] <... futex resumed>) = 0 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6602] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = 0 [pid 6604] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6603] <... futex resumed>) = 0 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6602] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6602] <... futex resumed>) = 0 [pid 6604] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6602] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] <... mmap resumed>) = 0x7f44f9f99000 [pid 6604] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6599] +++ exited with 0 +++ [pid 6598] +++ exited with 0 +++ [pid 6604] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6598, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6604] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./75/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./75") = 0 [pid 6604] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = 0 [pid 5867] mkdir("./76", 0777) = 0 [pid 6604] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6604] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6605 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6605 [pid 6604] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6605] chdir("./76") = 0 [pid 6601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6605] setpgid(0, 0) = 0 [pid 6601] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... futex resumed>) = 0 [pid 6601] <... futex resumed>) = 1 [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6604] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... openat resumed>) = 3 [pid 6605] write(3, "1000", 4) = 4 [pid 6605] close(3) = 0 [pid 6605] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6604] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = 0 [pid 6601] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] write(1, "executing program\n", 18) = 18 [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6605] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6605] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6606 attached [pid 6606] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6606] set_robust_list(0x7f44f9fde9a0, 24 [pid 6605] <... clone3 resumed> => {parent_tid=[6606]}, 88) = 6606 [pid 6606] <... set_robust_list resumed>) = 0 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], [pid 6606] rt_sigprocmask(SIG_SETMASK, [], [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6605] <... futex resumed>) = 0 [pid 6606] <... openat resumed>) = 3 [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6605] <... futex resumed>) = 0 [pid 6606] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6605] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6605] <... futex resumed>) = 0 [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6604] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6606] <... mmap resumed>) = 0x7f44f9f99000 [pid 6606] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6606] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6606] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] <... futex resumed>) = 0 [pid 6605] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = 1 [pid 6606] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6606] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6605] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = 1 [pid 6606] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6606] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6605] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 0 [pid 6605] <... futex resumed>) = 1 [pid 6606] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6601] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6605] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6602] exit_group(0) = ? [pid 6601] exit_group(0) = ? [pid 6603] <... io_uring_enter resumed>) = ? [pid 6603] +++ exited with 0 +++ [pid 6602] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6602, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./74/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./74") = 0 [pid 5866] mkdir("./75", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6607 attached , child_tidptr=0x55558acd6690) = 6607 [pid 6607] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6607] chdir("./75") = 0 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6607] setpgid(0, 0) = 0 [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6607] write(3, "1000", 4) = 4 [pid 6607] close(3) = 0 [pid 6607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6607] write(1, "executing program\n", 18) = 18 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... io_uring_enter resumed>) = ? [pid 6607] <... futex resumed>) = 0 [pid 6607] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6607] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6608 attached [pid 6608] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6608] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6608] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] <... clone3 resumed> => {parent_tid=[6608]}, 88) = 6608 [pid 6607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6607] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 1 [pid 6608] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6608] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6607] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6607] <... futex resumed>) = 0 [pid 6608] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] <... mmap resumed>) = 0x7f44f9f99000 [pid 6608] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6608] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6607] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] +++ exited with 0 +++ [pid 6601] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6601, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6605] exit_group(0 [pid 5865] newfstatat(3, "", [pid 6605] <... exit_group resumed>) = ? [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./71/binderfs" [pid 6608] <... futex resumed>) = 1 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./71" [pid 6608] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./72", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6607] <... futex resumed>) = 0 [pid 6607] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 1 [pid 6608] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] <... futex resumed>) = 0 [pid 6608] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = 0 [pid 6607] <... futex resumed>) = 1 [pid 6608] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6607] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6609 attached [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6609 [pid 6609] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6609] chdir("./72") = 0 [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6609] setpgid(0, 0) = 0 [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6609] write(3, "1000", 4) = 4 [pid 6607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6606] <... io_uring_enter resumed>) = ? [pid 6609] close(3 [pid 6606] +++ exited with 0 +++ [pid 6605] +++ exited with 0 +++ [pid 6609] <... close resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6605, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6609] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6609] write(1, "executing program\n", 18) = 18 [pid 5867] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6609] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] <... openat resumed>) = 3 [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] newfstatat(3, "", [pid 6609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6609] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6609] <... mprotect resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] unlink("./76/binderfs" [pid 6609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5867] getdents64(3, [pid 6609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6610 attached [pid 5867] close(3 [pid 6610] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6609] <... clone3 resumed> => {parent_tid=[6610]}, 88) = 6610 [pid 5867] <... close resumed>) = 0 [pid 6609] rt_sigprocmask(SIG_SETMASK, [], [pid 6610] <... rseq resumed>) = 0 [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rmdir("./76") = 0 [pid 6609] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] set_robust_list(0x7f44f9fde9a0, 24 [pid 6609] <... futex resumed>) = 0 [pid 5867] mkdir("./77", 0777 [pid 6610] <... set_robust_list resumed>) = 0 [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... mkdir resumed>) = 0 [pid 6610] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6610] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6611 attached [pid 6610] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6611] set_robust_list(0x55558acd66a0, 24 [pid 6610] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6611 [pid 6610] <... futex resumed>) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6611] <... set_robust_list resumed>) = 0 [pid 6610] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6609] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6609] <... futex resumed>) = 0 [pid 6611] chdir("./77" [pid 6610] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... chdir resumed>) = 0 [pid 6610] <... mmap resumed>) = 0x7f44f9f99000 [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6610] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6611] <... prctl resumed>) = 0 [pid 6611] setpgid(0, 0) = 0 [pid 6610] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6609] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... openat resumed>) = 3 [pid 6610] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] write(3, "1000", 4 [pid 6610] <... futex resumed>) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... write resumed>) = 4 [pid 6610] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] close(3 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... close resumed>) = 0 [pid 6609] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] symlink("/dev/binderfs", "./binderfs" [pid 6609] <... futex resumed>) = 1 executing program [pid 6611] <... symlink resumed>) = 0 [pid 6610] <... futex resumed>) = 0 [pid 6611] write(1, "executing program\n", 18 [pid 6610] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... futex resumed>) = 0 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... write resumed>) = 18 [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6609] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6608] <... io_uring_enter resumed>) = 4096 [pid 6611] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6611] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6608] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] exit_group(0 [pid 6611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6608] <... futex resumed>) = 0 [pid 6611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6608] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6607] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6612 attached [pid 6608] <... futex resumed>) = ? [pid 6609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6611] <... clone3 resumed> => {parent_tid=[6612]}, 88) = 6612 [pid 6609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6612] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6611] rt_sigprocmask(SIG_SETMASK, [], [pid 6608] +++ exited with 0 +++ [pid 6607] +++ exited with 0 +++ [pid 6612] <... rseq resumed>) = 0 [pid 6611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6607, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6612] set_robust_list(0x7f44f9fde9a0, 24 [pid 6611] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... set_robust_list resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 6611] <... futex resumed>) = 0 [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6612] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] <... openat resumed>) = 3 [pid 6612] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6612] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 6611] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6611] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./75/binderfs" [pid 6612] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6612] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] close(3 [pid 6612] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./75") = 0 [pid 5866] mkdir("./76", 0777 [pid 6612] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... mkdir resumed>) = 0 [pid 6612] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6612] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 6611] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6613 attached [pid 6612] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] set_robust_list(0x55558acd66a0, 24 [pid 6612] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6613 [pid 6611] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = 0 [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] <... futex resumed>) = 0 [pid 6613] chdir("./76" [pid 6612] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... chdir resumed>) = 0 [pid 6612] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6611] <... futex resumed>) = 0 [pid 6613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6611] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6613] <... prctl resumed>) = 0 [pid 6613] setpgid(0, 0) = 0 [pid 6613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6613] write(3, "1000", 4) = 4 [pid 6613] close(3) = 0 [pid 6610] <... io_uring_enter resumed>) = 4096 [pid 6613] symlink("/dev/binderfs", "./binderfs" [pid 6610] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... symlink resumed>) = 0 [pid 6610] <... futex resumed>) = 0 [pid 6613] write(1, "executing program\n", 18 [pid 6610] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] exit_group(0executing program [pid 6613] <... write resumed>) = 18 [pid 6610] <... futex resumed>) = ? [pid 6609] <... exit_group resumed>) = ? [pid 6610] +++ exited with 0 +++ [pid 6609] +++ exited with 0 +++ [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6613] <... futex resumed>) = 0 [pid 6611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... restart_syscall resumed>) = 0 [pid 6613] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6613] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6613] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6613] <... mprotect resumed>) = 0 [pid 6613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 6613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5865] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6614 attached ) = -1 EINVAL (Invalid argument) [pid 6614] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6613] <... clone3 resumed> => {parent_tid=[6614]}, 88) = 6614 [pid 5865] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6614] <... rseq resumed>) = 0 [pid 6613] rt_sigprocmask(SIG_SETMASK, [], [pid 6614] set_robust_list(0x7f44f9fde9a0, 24 [pid 6613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./72/binderfs" [pid 6614] <... set_robust_list resumed>) = 0 [pid 6613] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... unlink resumed>) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(3, [pid 6614] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6614] <... openat resumed>) = 3 [pid 5865] close(3 [pid 6614] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6613] <... futex resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 6614] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6613] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rmdir("./72" [pid 6613] <... futex resumed>) = 0 [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5865] <... rmdir resumed>) = 0 [pid 6614] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] mkdir("./73", 0777) = 0 [pid 6614] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6614] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6615 ./strace-static-x86_64: Process 6615 attached [pid 6615] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6614] <... mmap resumed>) = 0x7f44f9f59000 [pid 6614] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] chdir("./73") = 0 [pid 6615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6615] setpgid(0, 0) = 0 [pid 6614] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6615] write(3, "1000", 4) = 4 [pid 6614] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] close(3 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6615] <... close resumed>) = 0 [pid 6614] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] symlink("/dev/binderfs", "./binderfs" [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6615] <... symlink resumed>) = 0 [pid 6613] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6615] write(1, "executing program\n", 18) = 18 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = 1 [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] <... futex resumed>) = 0 [pid 6613] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6613] <... futex resumed>) = 0 [pid 6615] <... futex resumed>) = 0 [pid 6615] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6615] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6616 attached [pid 6616] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6615] <... clone3 resumed> => {parent_tid=[6616]}, 88) = 6616 [pid 6613] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] <... rseq resumed>) = 0 [pid 6615] rt_sigprocmask(SIG_SETMASK, [], [pid 6616] set_robust_list(0x7f44f9fde9a0, 24 [pid 6615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6616] <... set_robust_list resumed>) = 0 [pid 6615] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] rt_sigprocmask(SIG_SETMASK, [], [pid 6615] <... futex resumed>) = 0 [pid 6616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6616] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6615] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6616] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6616] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6616] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6615] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6615] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6615] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6612] <... io_uring_enter resumed>) = 4096 [pid 6612] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6611] exit_group(0) = ? [pid 6612] +++ exited with 0 +++ [pid 6611] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6611, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6616] <... io_uring_enter resumed>) = 4096 [pid 6614] <... io_uring_enter resumed>) = 4096 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6614] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6613] exit_group(0) = ? [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6616] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6615] exit_group(0 [pid 6616] <... futex resumed>) = ? [pid 6615] <... exit_group resumed>) = ? [pid 6616] +++ exited with 0 +++ [pid 6615] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6615, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6614] +++ exited with 0 +++ [pid 6613] +++ exited with 0 +++ [pid 5867] unlink("./77/binderfs" [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6613, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] <... restart_syscall resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5866] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] getdents64(3, [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... openat resumed>) = 3 [pid 5867] close(3 [pid 5865] <... openat resumed>) = 3 [pid 5867] <... close resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 5865] newfstatat(3, "", [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] rmdir("./77" [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 5867] <... rmdir resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] mkdir("./78", 0777 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... mkdir resumed>) = 0 [pid 5866] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] newfstatat(AT_FDCWD, "./76/binderfs", [pid 5865] unlink("./73/binderfs" [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6617 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5866] unlink("./76/binderfs" [pid 5865] getdents64(3, [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] getdents64(3, [pid 5865] close(3 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] close(3 [pid 5865] rmdir("./73"./strace-static-x86_64: Process 6617 attached [pid 6617] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... rmdir resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5865] mkdir("./74", 0777 [pid 5866] rmdir("./76" [pid 6617] <... set_robust_list resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5866] mkdir("./77", 0777 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6618 attached [pid 5866] <... mkdir resumed>) = 0 [pid 6618] set_robust_list(0x55558acd66a0, 24 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6618 [pid 6617] chdir("./78") = 0 [pid 6617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6617] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6619 attached [pid 6618] <... set_robust_list resumed>) = 0 [pid 6617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6619] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6618] chdir("./74" [pid 6617] <... openat resumed>) = 3 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6619 [pid 6618] <... chdir resumed>) = 0 [pid 6617] write(3, "1000", 4 [pid 6619] chdir("./77" [pid 6618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6619] <... chdir resumed>) = 0 [pid 6618] setpgid(0, 0 [pid 6617] <... write resumed>) = 4 [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6618] <... setpgid resumed>) = 0 [pid 6617] close(3 [pid 6619] <... prctl resumed>) = 0 [pid 6618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6617] <... close resumed>) = 0 [pid 6617] symlink("/dev/binderfs", "./binderfs" [pid 6618] <... openat resumed>) = 3 [pid 6619] setpgid(0, 0 [pid 6618] write(3, "1000", 4 [pid 6619] <... setpgid resumed>) = 0 [pid 6618] <... write resumed>) = 4 [pid 6617] <... symlink resumed>) = 0 executing program [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6618] close(3 [pid 6617] write(1, "executing program\n", 18 [pid 6618] <... close resumed>) = 0 [pid 6618] symlink("/dev/binderfs", "./binderfs" [pid 6617] <... write resumed>) = 18 [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6617] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6619] <... openat resumed>) = 3 [pid 6618] <... symlink resumed>) = 0 [pid 6617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6618] write(1, "executing program\n", 18 [pid 6619] write(3, "1000", 4 [pid 6618] <... write resumed>) = 18 [pid 6619] <... write resumed>) = 4 [pid 6619] close(3) = 0 [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6619] symlink("/dev/binderfs", "./binderfs" [pid 6618] <... futex resumed>) = 0 [pid 6617] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6618] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6617] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6619] <... symlink resumed>) = 0 [pid 6618] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6617] <... mprotect resumed>) = 0 [pid 6618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6619] write(1, "executing program\n", 18 [pid 6618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6619] <... write resumed>) = 18 [pid 6618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6618] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6619] <... futex resumed>) = 0 [pid 6619] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6618] <... mprotect resumed>) = 0 [pid 6617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6619] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6621 attached ./strace-static-x86_64: Process 6620 attached ) = 0x7f44f9fbe000 [pid 6621] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6620] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6619] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6618] <... clone3 resumed> => {parent_tid=[6621]}, 88) = 6621 [pid 6617] <... clone3 resumed> => {parent_tid=[6620]}, 88) = 6620 [pid 6621] <... rseq resumed>) = 0 [pid 6620] <... rseq resumed>) = 0 [pid 6619] <... mprotect resumed>) = 0 [pid 6618] rt_sigprocmask(SIG_SETMASK, [], [pid 6621] set_robust_list(0x7f44f9fde9a0, 24 [pid 6620] set_robust_list(0x7f44f9fde9a0, 24 [pid 6621] <... set_robust_list resumed>) = 0 [pid 6620] <... set_robust_list resumed>) = 0 [pid 6619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6617] rt_sigprocmask(SIG_SETMASK, [], [pid 6621] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] rt_sigprocmask(SIG_SETMASK, [], [pid 6619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6618] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6618] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6622 attached [pid 6621] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6620] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] <... clone3 resumed> => {parent_tid=[6622]}, 88) = 6622 [pid 6617] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6621] <... openat resumed>) = 3 [pid 6620] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6619] rt_sigprocmask(SIG_SETMASK, [], [pid 6622] <... rseq resumed>) = 0 [pid 6621] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] set_robust_list(0x7f44f9fde9a0, 24 [pid 6621] <... futex resumed>) = 1 [pid 6619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6622] <... set_robust_list resumed>) = 0 [pid 6621] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] <... openat resumed>) = 3 [pid 6619] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] rt_sigprocmask(SIG_SETMASK, [], [pid 6621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6617] <... futex resumed>) = 0 [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... futex resumed>) = 1 [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] <... futex resumed>) = 0 [pid 6617] <... futex resumed>) = 0 [pid 6621] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6622] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... openat resumed>) = 3 [pid 6621] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6620] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6622] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6620] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6621] <... mmap resumed>) = 0x7f44f9f99000 [pid 6622] <... futex resumed>) = 1 [pid 6622] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6620] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6619] <... futex resumed>) = 0 [pid 6620] <... mmap resumed>) = 0x7f44f9f99000 [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... mmap resumed>) = 0x7f44f9f59000 [pid 6619] <... futex resumed>) = 0 [pid 6622] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6620] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6621] <... futex resumed>) = 1 [pid 6620] <... mmap resumed>) = 0x7f44f9f59000 [pid 6618] <... futex resumed>) = 0 [pid 6622] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6621] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6620] <... futex resumed>) = 1 [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... mmap resumed>) = 0x7f44f9f99000 [pid 6622] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6621] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... futex resumed>) = 0 [pid 6622] <... mmap resumed>) = 0x7f44f9f59000 [pid 6621] <... futex resumed>) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6618] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = 1 [pid 6621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6622] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6621] <... futex resumed>) = 0 [pid 6619] <... futex resumed>) = 0 [pid 6617] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] <... futex resumed>) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6621] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6618] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6622] <... futex resumed>) = 0 [pid 6622] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6620] <... futex resumed>) = 0 [pid 6619] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = 1 [pid 6617] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6618] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... futex resumed>) = 0 [pid 6622] <... futex resumed>) = 0 [pid 6621] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6619] <... futex resumed>) = 0 [pid 6622] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6622] <... futex resumed>) = 0 [pid 6619] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6621] <... io_uring_enter resumed>) = 4096 [pid 6621] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... io_uring_enter resumed>) = 4096 [pid 6621] <... futex resumed>) = 0 [pid 6618] exit_group(0) = ? [pid 6621] +++ exited with 0 +++ [pid 6618] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6618, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6622] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6622] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] exit_group(0) = ? [pid 6622] <... futex resumed>) = ? [pid 6622] +++ exited with 0 +++ [pid 6619] +++ exited with 0 +++ [pid 5865] <... restart_syscall resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6619, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] newfstatat(3, "", [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] getdents64(3, [pid 5866] <... openat resumed>) = 3 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] newfstatat(3, "", [pid 5865] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] getdents64(3, [pid 5865] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] unlink("./74/binderfs" [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... unlink resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5865] getdents64(3, [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] unlink("./77/binderfs" [pid 5865] close(3 [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] rmdir("./74" [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5866] close(3 [pid 5865] mkdir("./75", 0777 [pid 5866] <... close resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5866] rmdir("./77" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6623 attached [pid 5866] <... rmdir resumed>) = 0 [pid 6623] set_robust_list(0x55558acd66a0, 24 [pid 5866] mkdir("./78", 0777 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6623 [pid 6623] <... set_robust_list resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6623] chdir("./75" [pid 6620] <... io_uring_enter resumed>) = 4096 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6624 attached [pid 6623] <... chdir resumed>) = 0 executing program executing program [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6620] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... prctl resumed>) = 0 [pid 6617] exit_group(0 [pid 6624] set_robust_list(0x55558acd66a0, 24 [pid 6623] setpgid(0, 0 [pid 6617] <... exit_group resumed>) = ? [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6624 [pid 6624] <... set_robust_list resumed>) = 0 [pid 6623] <... setpgid resumed>) = 0 [pid 6624] chdir("./78" [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6624] <... chdir resumed>) = 0 [pid 6623] <... openat resumed>) = 3 [pid 6624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6623] write(3, "1000", 4) = 4 [pid 6623] close(3) = 0 [pid 6624] <... prctl resumed>) = 0 [pid 6623] symlink("/dev/binderfs", "./binderfs" [pid 6624] setpgid(0, 0 [pid 6623] <... symlink resumed>) = 0 [pid 6624] <... setpgid resumed>) = 0 [pid 6624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6623] write(1, "executing program\n", 18) = 18 [pid 6624] <... openat resumed>) = 3 [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6624] write(3, "1000", 4 [pid 6623] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6624] <... write resumed>) = 4 [pid 6623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6624] close(3 [pid 6623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6624] <... close resumed>) = 0 [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6624] symlink("/dev/binderfs", "./binderfs" [pid 6623] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6624] <... symlink resumed>) = 0 [pid 6623] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6624] write(1, "executing program\n", 18 [pid 6623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6624] <... write resumed>) = 18 [pid 6623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6625 attached [pid 6624] <... futex resumed>) = 0 [pid 6624] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6625] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] <... clone3 resumed> => {parent_tid=[6625]}, 88) = 6625 [pid 6624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6623] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] <... futex resumed>) = ? [pid 6625] <... rseq resumed>) = 0 [pid 6624] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6625] set_robust_list(0x7f44f9fde9a0, 24 [pid 6624] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6624] <... mprotect resumed>) = 0 [pid 6623] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] +++ exited with 0 +++ [pid 6617] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6617, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6623] <... futex resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6625] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6626 attached [pid 6625] <... openat resumed>) = 3 [pid 5867] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6625] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... clone3 resumed> => {parent_tid=[6626]}, 88) = 6626 [pid 5867] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6626] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6625] <... futex resumed>) = 1 [pid 6624] rt_sigprocmask(SIG_SETMASK, [], [pid 6623] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 6626] <... rseq resumed>) = 0 [pid 6625] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./78/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./78" [pid 6626] set_robust_list(0x7f44f9fde9a0, 24 [pid 6624] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rmdir resumed>) = 0 [pid 6626] <... set_robust_list resumed>) = 0 [pid 6624] <... futex resumed>) = 0 [pid 6623] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] rt_sigprocmask(SIG_SETMASK, [], [pid 6625] <... futex resumed>) = 0 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] <... futex resumed>) = 1 [pid 5867] mkdir("./79", 0777 [pid 6626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... mkdir resumed>) = 0 [pid 6626] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6625] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6626] <... openat resumed>) = 3 [pid 6625] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6625] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6625] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6625] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] <... futex resumed>) = 0 [pid 6623] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = 1 [pid 6625] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6625] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = 1 [pid 6625] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6625] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6623] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... futex resumed>) = 1 [pid 6624] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = 0 [pid 6624] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] <... futex resumed>) = 0 [pid 6626] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6626] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6626] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000./strace-static-x86_64: Process 6627 attached ) = 0x7f44f9f59000 [pid 6626] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6627 [pid 6627] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6627] chdir("./79" [pid 6624] <... futex resumed>) = 0 [pid 6624] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6626] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... chdir resumed>) = 0 [pid 6626] <... futex resumed>) = 0 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6624] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6626] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6624] <... futex resumed>) = 0 [pid 6627] <... prctl resumed>) = 0 [pid 6624] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] setpgid(0, 0 [pid 6624] <... futex resumed>) = 0 [pid 6627] <... setpgid resumed>) = 0 [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6626] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6627] <... openat resumed>) = 3 [pid 6627] write(3, "1000", 4) = 4 [pid 6627] close(3) = 0 [pid 6627] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6627] write(1, "executing program\n", 18) = 18 [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6627] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6628 attached => {parent_tid=[6628]}, 88) = 6628 [pid 6627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6627] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6628] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6628] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6628] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6627] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6628] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6628] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6628] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6628] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6624] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6628] <... futex resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6627] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6628] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6628] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 0 [pid 6627] <... futex resumed>) = 1 [pid 6628] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6627] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6623] exit_group(0) = ? [pid 6624] exit_group(0) = ? [pid 6625] <... io_uring_enter resumed>) = ? [pid 6626] <... io_uring_enter resumed>) = ? [pid 6625] +++ exited with 0 +++ [pid 6623] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6623, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6626] +++ exited with 0 +++ [pid 6624] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6624, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./75/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./75") = 0 [pid 5865] mkdir("./76", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6629 attached [pid 6629] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6629 [pid 6629] <... set_robust_list resumed>) = 0 [pid 6629] chdir("./76" [pid 5866] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6629] <... chdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./78/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./78") = 0 [pid 5866] mkdir("./79", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6630 attached [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6630] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6630 [pid 6630] <... set_robust_list resumed>) = 0 [pid 6630] chdir("./79") = 0 [pid 6630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6630] setpgid(0, 0) = 0 [pid 6630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6629] <... prctl resumed>) = 0 [pid 6630] write(3, "1000", 4 [pid 6629] setpgid(0, 0 [pid 6630] <... write resumed>) = 4 [pid 6629] <... setpgid resumed>) = 0 [pid 6630] close(3 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6630] <... close resumed>) = 0 [pid 6629] <... openat resumed>) = 3 [pid 6630] symlink("/dev/binderfs", "./binderfs" [pid 6629] write(3, "1000", 4 [pid 6630] <... symlink resumed>) = 0 [pid 6629] <... write resumed>) = 4 executing program [pid 6630] write(1, "executing program\n", 18 [pid 6629] close(3 [pid 6630] <... write resumed>) = 18 [pid 6629] <... close resumed>) = 0 [pid 6630] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] symlink("/dev/binderfs", "./binderfs" [pid 6630] <... futex resumed>) = 0 [pid 6629] <... symlink resumed>) = 0 [pid 6630] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6629] write(1, "executing program\n", 18executing program [pid 6630] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6629] <... write resumed>) = 18 [pid 6630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6629] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6629] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6630] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6630] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6629] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6629] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6631 attached [pid 6630] <... clone3 resumed> => {parent_tid=[6631]}, 88) = 6631 [pid 6629] <... mprotect resumed>) = 0 [pid 6628] <... io_uring_enter resumed>) = 4096 [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6630] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6630] <... futex resumed>) = 0 [pid 6631] <... rseq resumed>) = 0 [pid 6630] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... clone3 resumed> => {parent_tid=[6632]}, 88) = 6632 [pid 6631] set_robust_list(0x7f44f9fde9a0, 24./strace-static-x86_64: Process 6632 attached [pid 6632] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6631] <... set_robust_list resumed>) = 0 [pid 6632] <... rseq resumed>) = 0 [pid 6632] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6631] rt_sigprocmask(SIG_SETMASK, [], [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6629] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] exit_group(0) = ? [pid 6629] <... futex resumed>) = 0 [pid 6629] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6628] <... futex resumed>) = ? [pid 6631] <... openat resumed>) = 3 [pid 6628] +++ exited with 0 +++ [pid 6627] +++ exited with 0 +++ [pid 6631] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6627, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6631] <... futex resumed>) = 1 [pid 6630] <... futex resumed>) = 0 [pid 6630] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6630] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6631] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6631] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6631] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 5867] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./79/binderfs", [pid 6632] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6631] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6629] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] <... openat resumed>) = 3 [pid 6632] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] <... mmap resumed>) = 0x7f44f9f59000 [pid 6630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] unlink("./79/binderfs" [pid 6630] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6629] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6630] <... futex resumed>) = 0 [pid 6629] <... mprotect resumed>) = 0 [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... unlink resumed>) = 0 [pid 6631] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE [pid 6631] <... futex resumed>) = 0 [pid 6630] <... mprotect resumed>) = 0 [pid 6629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] getdents64(3, [pid 6630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6631] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 5867] close(3 [pid 6630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6634 attached ./strace-static-x86_64: Process 6633 attached => {parent_tid=[6634]}, 88) = 6634 [pid 6629] <... clone3 resumed> => {parent_tid=[6633]}, 88) = 6633 [pid 5867] <... close resumed>) = 0 [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6633] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6630] <... futex resumed>) = 0 [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rmdir("./79" [pid 6634] <... rseq resumed>) = 0 [pid 6633] <... rseq resumed>) = 0 [pid 6630] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] set_robust_list(0x7f44f9f589a0, 24 [pid 6633] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6629] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6629] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] <... set_robust_list resumed>) = 0 [pid 6633] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] mkdir("./80", 0777 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], [pid 6633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6633] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6633] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6634] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6630] <... futex resumed>) = 0 [pid 6634] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6633] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6630] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] <... mmap resumed>) = 0x7f44f9f78000 [pid 6631] <... futex resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6630] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6630] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6630] <... futex resumed>) = 0 [pid 6630] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6633] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6633] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6635 attached ) = 1 executing program [pid 6629] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] <... futex resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6635 [pid 6635] set_robust_list(0x55558acd66a0, 24 [pid 6632] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... set_robust_list resumed>) = 0 [pid 6632] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6635] chdir("./80" [pid 6632] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] <... chdir resumed>) = 0 [pid 6635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6635] setpgid(0, 0) = 0 [pid 6635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6635] write(3, "1000", 4) = 4 [pid 6635] close(3) = 0 [pid 6635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6635] write(1, "executing program\n", 18) = 18 [pid 6635] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6635] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6629] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6632] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = 1 [pid 6629] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6632] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6632] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6629] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... clone3 resumed> => {parent_tid=[6636]}, 88) = 6636 [pid 6629] <... futex resumed>) = 0 [pid 6635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6635] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6635] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6629] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6636 attached [pid 6636] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6636] set_robust_list(0x7f44f9fde9a0, 24 [pid 6635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6635] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... set_robust_list resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6636] rt_sigprocmask(SIG_SETMASK, [], [pid 6635] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] <... clone3 resumed> => {parent_tid=[6637]}, 88) = 6637 ./strace-static-x86_64: Process 6637 attached [pid 6635] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] <... rseq resumed>) = 0 [pid 6635] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6635] <... futex resumed>) = 0 [pid 6637] <... set_robust_list resumed>) = 0 [pid 6635] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6636] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6636] <... openat resumed>) = 3 [pid 6636] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6636] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6637] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6635] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6635] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] <... futex resumed>) = 0 [pid 6636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6635] <... futex resumed>) = ? [pid 6637] +++ killed by SIGSEGV +++ [pid 6636] +++ killed by SIGSEGV +++ [pid 6635] +++ killed by SIGSEGV +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6635, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./80/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./80") = 0 [pid 5867] mkdir("./81", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6638 ./strace-static-x86_64: Process 6638 attached [pid 6638] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6638] chdir("./81") = 0 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6638] setpgid(0, 0) = 0 [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6638] write(3, "1000", 4) = 4 [pid 6638] close(3) = 0 [pid 6638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6638] write(1, "executing program\n", 18executing program ) = 18 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] <... io_uring_enter resumed>) = 4096 [pid 6638] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6632] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... io_uring_enter resumed>) = 4096 [pid 6638] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6632] <... futex resumed>) = 0 [pid 6631] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6632] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] <... futex resumed>) = 0 [pid 6630] exit_group(0 [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6634] <... futex resumed>) = ? [pid 6630] <... exit_group resumed>) = ? [pid 6629] exit_group(0 [pid 6638] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6634] +++ exited with 0 +++ [pid 6632] <... futex resumed>) = ? [pid 6633] <... futex resumed>) = ? [pid 6629] <... exit_group resumed>) = ? [pid 6638] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6633] +++ exited with 0 +++ [pid 6632] +++ exited with 0 +++ [pid 6629] +++ exited with 0 +++ [pid 6631] +++ exited with 0 +++ [pid 6630] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6629, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6638] <... mprotect resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6630, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... restart_syscall resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6640 attached [pid 5866] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6638] <... clone3 resumed> => {parent_tid=[6640]}, 88) = 6640 [pid 6638] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... openat resumed>) = 3 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] newfstatat(3, "", [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6640] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6638] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 6640] <... rseq resumed>) = 0 [pid 6638] <... futex resumed>) = 0 [pid 5866] getdents64(3, [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6640] set_robust_list(0x7f44f9fde9a0, 24 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6640] <... set_robust_list resumed>) = 0 [pid 5866] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6640] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./79/binderfs" [pid 5865] unlink("./76/binderfs" [pid 6640] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./76") = 0 [pid 5865] mkdir("./77", 0777 [pid 6640] <... openat resumed>) = 3 [pid 5866] getdents64(3, [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6641 ./strace-static-x86_64: Process 6641 attached [pid 6641] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6641] chdir("./77") = 0 [pid 6641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6641] setpgid(0, 0) = 0 [pid 6641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6641] write(3, "1000", 4) = 4 [pid 6641] close(3) = 0 [pid 6641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6640] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6641] write(1, "executing program\n", 18) = 18 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6641] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6641] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6642]}, 88) = 6642 [pid 6640] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 [pid 5866] close(3 [pid 6641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6641] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6640] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6638] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./79" [pid 6638] <... futex resumed>) = 0 [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6642 attached [pid 6640] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 6640] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5866] mkdir("./80", 0777 [pid 6642] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6642] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] <... mkdir resumed>) = 0 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6642] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6640] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6642] <... openat resumed>) = 3 [pid 6642] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6642] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6641] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6641] <... futex resumed>) = 0 [pid 6642] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] <... mmap resumed>) = 0x7f44f9f99000 [pid 6642] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6642] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6643 attached [pid 6640] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6642] <... futex resumed>) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6641] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6643 [pid 6640] <... mmap resumed>) = 0x7f44f9f59000 [pid 6643] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6640] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] chdir("./80" [pid 6640] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6643] <... chdir resumed>) = 0 [pid 6640] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6640] <... futex resumed>) = 0 [pid 6643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6640] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6643] setpgid(0, 0 [pid 6640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6640] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... setpgid resumed>) = 0 [pid 6643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6640] <... futex resumed>) = 0 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] <... openat resumed>) = 3 [pid 6638] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... futex resumed>) = 0 [pid 6638] <... futex resumed>) = 1 [pid 6643] write(3, "1000", 4 [pid 6640] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6638] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... write resumed>) = 4 [pid 6643] close(3) = 0 [pid 6638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6643] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6643] write(1, "executing program\n", 18) = 18 [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6643] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6643] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6644 attached => {parent_tid=[6644]}, 88) = 6644 [pid 6642] <... io_uring_enter resumed>) = 4096 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6643] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6641] exit_group(0) = ? [pid 6642] <... futex resumed>) = ? [pid 6644] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6644] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6644] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6644] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6643] <... futex resumed>) = 0 [pid 6643] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] +++ exited with 0 +++ [pid 6641] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6641, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6644] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6644] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6644] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6644] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6643] <... futex resumed>) = 0 [pid 6643] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./77/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./77") = 0 [pid 5865] mkdir("./78", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6645 [pid 6644] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6643] <... futex resumed>) = 0 [pid 6644] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... futex resumed>) = 0 [pid 6643] <... futex resumed>) = 0 [pid 6644] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6643] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... futex resumed>) = 0 [pid 6643] <... futex resumed>) = 1 [pid 6644] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6643] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6645 attached [pid 6645] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6645] chdir("./78") = 0 [pid 6643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6645] setpgid(0, 0) = 0 [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6640] <... io_uring_enter resumed>) = 4096 [pid 6645] write(3, "1000", 4) = 4 [pid 6645] close(3 [pid 6640] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6640] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] exit_group(0) = ? [pid 6640] <... futex resumed>) = ? [pid 6645] <... close resumed>) = 0 [pid 6640] +++ exited with 0 +++ [pid 6638] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6638, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./81/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./81") = 0 [pid 5867] mkdir("./82", 0777 [pid 6645] symlink("/dev/binderfs", "./binderfs" [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6645] <... symlink resumed>) = 0 [pid 6645] write(1, "executing program\n", 18./strace-static-x86_64: Process 6646 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6646 executing program [pid 6646] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6646] chdir("./82") = 0 [pid 6646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6646] setpgid(0, 0) = 0 [pid 6646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6645] <... write resumed>) = 18 [pid 6646] <... openat resumed>) = 3 [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] write(3, "1000", 4) = 4 [pid 6646] close(3 [pid 6645] <... futex resumed>) = 0 [pid 6646] <... close resumed>) = 0 [pid 6646] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6645] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6646] write(1, "executing program\n", 18executing program [pid 6645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6646] <... write resumed>) = 18 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6646] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6646] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6647 attached => {parent_tid=[6647]}, 88) = 6647 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6646] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6647] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] <... rseq resumed>) = 0 [pid 6645] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6647] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6647] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6645] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6647] <... openat resumed>) = 3 [pid 6647] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6646] <... futex resumed>) = 0 [pid 6646] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] <... futex resumed>) = 0 [pid 6646] <... futex resumed>) = 1 [pid 6647] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6645] <... mprotect resumed>) = 0 [pid 6645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6647] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] <... mmap resumed>) = 0x7f44f9f99000 [pid 6647] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6647] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6646] <... futex resumed>) = 0 [pid 6646] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6647] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = 0 [pid 6646] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] <... futex resumed>) = 1 [pid 6647] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6646] <... futex resumed>) = 0 [pid 6646] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6646] <... futex resumed>) = 0 [pid 6646] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6648 attached [pid 6648] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6648] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6648] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] <... clone3 resumed> => {parent_tid=[6648]}, 88) = 6648 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6645] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6648] <... futex resumed>) = 0 [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6648] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6648] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6648] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6648] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6648] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6648] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6648] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = 0 [pid 6645] <... futex resumed>) = 0 [pid 6648] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = 0 [pid 6645] <... futex resumed>) = 1 [pid 6648] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... futex resumed>) = 0 [pid 6645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6648] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6645] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6645] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6644] <... io_uring_enter resumed>) = 4096 [pid 6644] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] exit_group(0) = ? [pid 6644] +++ exited with 0 +++ [pid 6643] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6643, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./80/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./80") = 0 [pid 5866] mkdir("./81", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6649 attached [pid 6649] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6649] chdir("./81") = 0 [pid 6649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6649 [pid 6649] setpgid(0, 0) = 0 [pid 6649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6649] write(3, "1000", 4) = 4 [pid 6649] close(3) = 0 [pid 6649] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6649] write(1, "executing program\n", 18) = 18 [pid 6649] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6649] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6649] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6650 attached => {parent_tid=[6650]}, 88) = 6650 [pid 6649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6649] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6646] exit_group(0) = ? [pid 6650] <... rseq resumed>) = 0 [pid 6647] <... io_uring_enter resumed>) = ? [pid 6650] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6650] rt_sigprocmask(SIG_SETMASK, [], [pid 6647] +++ exited with 0 +++ [pid 6646] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6646, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./82/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./82") = 0 [pid 5867] mkdir("./83", 0777) = 0 [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6651 ./strace-static-x86_64: Process 6651 attached [pid 6649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6649] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6651] set_robust_list(0x55558acd66a0, 24 [pid 6649] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6651] <... set_robust_list resumed>) = 0 [pid 6649] <... mprotect resumed>) = 0 [pid 6651] chdir("./83" [pid 6649] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6651] <... chdir resumed>) = 0 [pid 6649] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6652 attached [pid 6652] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6651] <... prctl resumed>) = 0 [pid 6652] <... rseq resumed>) = 0 [pid 6651] setpgid(0, 0 [pid 6652] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6651] <... setpgid resumed>) = 0 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] <... openat resumed>) = 3 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] write(3, "1000", 4 [pid 6652] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] <... write resumed>) = 4 [pid 6651] close(3executing program ) = 0 [pid 6651] symlink("/dev/binderfs", "./binderfs" [pid 6650] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6651] <... symlink resumed>) = 0 [pid 6651] write(1, "executing program\n", 18 [pid 6650] <... openat resumed>) = 3 [pid 6651] <... write resumed>) = 18 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... futex resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 6651] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6650] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6649] <... clone3 resumed> => {parent_tid=[6652]}, 88) = 6652 [pid 6649] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6649] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = 0 [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6649] <... futex resumed>) = 1 [pid 6652] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6649] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6651] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6651] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6653]}, 88) = 6653 [pid 6651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6651] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6645] exit_group(0) = ? [pid 6652] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6652] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6648] <... io_uring_enter resumed>) = ? [pid 6652] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] <... futex resumed>) = 0 [pid 6649] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 1 [pid 6650] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6650] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6649] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6653 attached [pid 6652] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6653] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6650] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] <... rseq resumed>) = 0 [pid 6649] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] set_robust_list(0x7f44f9fde9a0, 24 [pid 6650] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6648] +++ exited with 0 +++ [pid 6645] +++ exited with 0 +++ [pid 6653] <... set_robust_list resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6645, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./78/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./78" [pid 6653] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... rmdir resumed>) = 0 [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] mkdir("./79", 0777 [pid 6653] <... openat resumed>) = 3 [pid 5865] <... mkdir resumed>) = 0 [pid 6653] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6651] <... futex resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6653] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6654 [pid 6653] <... futex resumed>) = 0 [pid 6651] <... futex resumed>) = 1 [pid 6653] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6654 attached [pid 6653] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6653] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6654] set_robust_list(0x55558acd66a0, 24 [pid 6653] <... mmap resumed>) = 0x7f44f9f99000 [pid 6654] <... set_robust_list resumed>) = 0 [pid 6653] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6654] chdir("./79" [pid 6653] <... mmap resumed>) = 0x7f44f9f59000 [pid 6649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6653] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... chdir resumed>) = 0 [pid 6653] <... futex resumed>) = 1 [pid 6651] <... futex resumed>) = 0 [pid 6653] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 0 [pid 6653] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 0 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 0 [pid 6653] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 0 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 0 [pid 6653] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6651] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 6654] setpgid(0, 0) = 0 [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6654] write(3, "1000", 4) = 4 [pid 6654] close(3) = 0 [pid 6654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6654] write(1, "executing program\n", 18) = 18 [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6654] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6654] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6655]}, 88) = 6655 [pid 6654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6654] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6655 attached [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6655] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6655] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6655] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6654] <... futex resumed>) = 0 [pid 6654] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6655] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6655] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6655] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6654] <... futex resumed>) = 0 [pid 6655] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6655] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6654] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 1 [pid 6655] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6655] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6654] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6650] <... io_uring_enter resumed>) = 4096 [pid 6650] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] exit_group(0 [pid 6652] <... futex resumed>) = ? [pid 6649] <... exit_group resumed>) = ? [pid 6650] +++ exited with 0 +++ [pid 6652] +++ exited with 0 +++ [pid 6649] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6649, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./81/binderfs") = 0 [pid 6653] <... io_uring_enter resumed>) = 4096 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./81") = 0 [pid 5866] mkdir("./82", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6656 ./strace-static-x86_64: Process 6656 attached executing program [pid 6656] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6656] chdir("./82") = 0 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6656] setpgid(0, 0) = 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6656] write(3, "1000", 4) = 4 [pid 6656] close(3) = 0 [pid 6656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6653] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6653] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] write(1, "executing program\n", 18) = 18 [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6656] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6651] exit_group(0 [pid 6653] <... futex resumed>) = ? [pid 6651] <... exit_group resumed>) = ? [pid 6653] +++ exited with 0 +++ [pid 6651] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6651, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6656] <... mprotect resumed>) = 0 [pid 6656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6657]}, 88) = 6657 [pid 6656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6656] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./83/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./83") = 0 [pid 5867] mkdir("./84", 0777) = 0 ./strace-static-x86_64: Process 6657 attached [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6658 attached [pid 6658] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6658 [pid 6658] chdir("./84") = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6658] setpgid(0, 0) = 0 [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6658] write(3, "1000", 4 [pid 6657] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6658] <... write resumed>) = 4 [pid 6657] <... rseq resumed>) = 0 [pid 6658] close(3 [pid 6657] set_robust_list(0x7f44f9fde9a0, 24 [pid 6658] <... close resumed>) = 0 [pid 6657] <... set_robust_list resumed>) = 0 [pid 6658] symlink("/dev/binderfs", "./binderfs" [pid 6657] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] <... symlink resumed>) = 0 [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6658] write(1, "executing program\n", 18 [pid 6657] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6658] <... write resumed>) = 18 [pid 6657] <... openat resumed>) = 3 [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6657] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6657] <... futex resumed>) = 1 [pid 6658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6657] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6656] <... futex resumed>) = 0 [pid 6656] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = 1 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6657] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6658] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6658] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6659 attached => {parent_tid=[6659]}, 88) = 6659 [pid 6658] rt_sigprocmask(SIG_SETMASK, [], [pid 6659] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6659] <... rseq resumed>) = 0 [pid 6658] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... mmap resumed>) = 0x7f44f9f99000 [pid 6659] set_robust_list(0x7f44f9fde9a0, 24 [pid 6658] <... futex resumed>) = 0 [pid 6657] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6659] <... set_robust_list resumed>) = 0 [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... mmap resumed>) = 0x7f44f9f59000 [pid 6659] rt_sigprocmask(SIG_SETMASK, [], [pid 6657] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] <... futex resumed>) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6659] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6657] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... openat resumed>) = 3 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = 0 [pid 6659] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6658] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6658] <... futex resumed>) = 0 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = 1 [pid 6659] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... mmap resumed>) = 0x7f44f9f99000 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6657] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] <... mmap resumed>) = 0x7f44f9f59000 [pid 6656] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = 1 [pid 6659] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 6657] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6656] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6659] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 1 [pid 6659] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] <... futex resumed>) = 0 [pid 6659] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6658] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] <... io_uring_enter resumed>) = 4096 [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] exit_group(0 [pid 6655] ???( [pid 6654] <... exit_group resumed>) = ? [pid 6655] <... ??? resumed>) = ? [pid 6655] +++ exited with 0 +++ [pid 6654] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6654, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./79/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./79") = 0 [pid 5865] mkdir("./80", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6660 ./strace-static-x86_64: Process 6660 attached [pid 6660] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6660] chdir("./80") = 0 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6660] setpgid(0, 0) = 0 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6660] write(3, "1000", 4) = 4 [pid 6660] close(3) = 0 executing program [pid 6660] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6660] write(1, "executing program\n", 18) = 18 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6660] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6657] <... io_uring_enter resumed>) = 4096 [pid 6660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6657] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] exit_group(0 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] <... futex resumed>) = ? [pid 6656] <... exit_group resumed>) = ? [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6657] +++ exited with 0 +++ [pid 6656] +++ exited with 0 +++ [pid 6660] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6660] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6660] <... mprotect resumed>) = 0 [pid 6660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... restart_syscall resumed>) = 0 [pid 6660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 5866] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6661 attached [pid 6660] <... clone3 resumed> => {parent_tid=[6661]}, 88) = 6661 [pid 6659] <... io_uring_enter resumed>) = 4096 [pid 5866] newfstatat(3, "", [pid 6661] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6661] <... rseq resumed>) = 0 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6660] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] set_robust_list(0x7f44f9fde9a0, 24 [pid 6660] <... futex resumed>) = 0 [pid 6661] <... set_robust_list resumed>) = 0 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./82/binderfs" [pid 6661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 6661] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./82" [pid 6661] <... openat resumed>) = 3 [pid 5866] <... rmdir resumed>) = 0 [pid 6661] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mkdir("./83", 0777 [pid 6661] <... futex resumed>) = 1 [pid 6660] <... futex resumed>) = 0 [pid 6661] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6660] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... mkdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6662 attached [pid 6661] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6660] <... futex resumed>) = 0 [pid 6661] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6662] set_robust_list(0x55558acd66a0, 24 [pid 6661] <... mmap resumed>) = 0x7f44f9f99000 [pid 6659] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6662 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6662] chdir("./83" [pid 6659] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] <... chdir resumed>) = 0 [pid 6662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6662] setpgid(0, 0 [pid 6658] exit_group(0 [pid 6662] <... setpgid resumed>) = 0 [pid 6659] <... futex resumed>) = ? [pid 6658] <... exit_group resumed>) = ? [pid 6662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6659] +++ exited with 0 +++ [pid 6658] +++ exited with 0 +++ [pid 6662] <... openat resumed>) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6662] write(3, "1000", 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6662] <... write resumed>) = 4 [pid 6662] close(3executing program ) = 0 [pid 6662] symlink("/dev/binderfs", "./binderfs" [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6662] <... symlink resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6662] write(1, "executing program\n", 18 [pid 5867] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6662] <... write resumed>) = 18 [pid 5867] <... openat resumed>) = 3 [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", [pid 6662] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6662] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5867] getdents64(3, [pid 6662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6662] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6662] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] unlink("./84/binderfs") = 0 [pid 5867] getdents64(3, [pid 6662] <... mprotect resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6661] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] close(3 [pid 6662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6661] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] <... close resumed>) = 0 [pid 6661] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rmdir("./84"./strace-static-x86_64: Process 6663 attached [pid 6662] <... clone3 resumed> => {parent_tid=[6663]}, 88) = 6663 [pid 6661] <... futex resumed>) = 1 [pid 6660] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6663] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 6661] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./85", 0777 [pid 6663] <... rseq resumed>) = 0 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6661] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6662] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6662] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6663] set_robust_list(0x7f44f9fde9a0, 24 [pid 6661] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6664 ./strace-static-x86_64: Process 6664 attached [pid 6663] <... set_robust_list resumed>) = 0 [pid 6661] <... futex resumed>) = 1 [pid 6660] <... futex resumed>) = 0 [pid 6663] rt_sigprocmask(SIG_SETMASK, [], [pid 6661] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6660] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6660] <... futex resumed>) = 0 [pid 6660] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6664] set_robust_list(0x55558acd66a0, 24 [pid 6663] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6664] <... set_robust_list resumed>) = 0 [pid 6664] chdir("./85") = 0 [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6664] setpgid(0, 0) = 0 [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6664] write(3, "1000", 4) = 4 [pid 6664] close(3) = 0 [pid 6664] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6664] write(1, "executing program\n", 18 [pid 6663] <... openat resumed>) = 3 executing program [pid 6664] <... write resumed>) = 18 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6664] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6664] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6663] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6665]}, 88) = 6665 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6665 attached ) = 0 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6663] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6662] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... rseq resumed>) = 0 [pid 6665] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6665] rt_sigprocmask(SIG_SETMASK, [], [pid 6662] <... futex resumed>) = 0 [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6663] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6663] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6665] <... openat resumed>) = 3 [pid 6665] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6664] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... mmap resumed>) = 0x7f44f9f99000 [pid 6664] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6663] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6665] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6663] <... mmap resumed>) = 0x7f44f9f59000 [pid 6663] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... mmap resumed>) = 0x7f44f9f99000 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6663] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6665] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6664] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... futex resumed>) = 1 [pid 6665] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 0 [pid 6664] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6664] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... futex resumed>) = 1 [pid 6665] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6662] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6662] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6662] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6660] exit_group(0) = ? [pid 6661] <... io_uring_enter resumed>) = ? [pid 6664] exit_group(0) = ? [pid 6662] exit_group(0) = ? [pid 6661] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./80/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./80") = 0 [pid 5865] mkdir("./81", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6666 ./strace-static-x86_64: Process 6666 attached [pid 6666] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6666] chdir("./81") = 0 [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6666] setpgid(0, 0) = 0 [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6666] write(3, "1000", 4) = 4 [pid 6666] close(3 [pid 6663] <... io_uring_enter resumed>) = ? [pid 6666] <... close resumed>) = 0 [pid 6666] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6666] write(1, "executing program\n", 18) = 18 [pid 6663] +++ exited with 0 +++ [pid 6662] +++ exited with 0 +++ [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... io_uring_enter resumed>) = ? [pid 6666] <... futex resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6662, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6666] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 5866] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6666] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5866] <... openat resumed>) = 3 [pid 6666] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6667]}, 88) = 6667 [pid 6666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6666] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(3, "", ./strace-static-x86_64: Process 6667 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6667] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 5866] getdents64(3, [pid 6667] <... rseq resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6667] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6667] <... set_robust_list resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6667] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] newfstatat(AT_FDCWD, "./83/binderfs", [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6667] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5866] unlink("./83/binderfs" [pid 6667] <... openat resumed>) = 3 [pid 5866] <... unlink resumed>) = 0 [pid 6667] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6667] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6667] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6666] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6667] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6666] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6667] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] rmdir("./83" [pid 6667] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... rmdir resumed>) = 0 [pid 6667] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] mkdir("./84", 0777 [pid 6667] <... mmap resumed>) = 0x7f44f9f59000 [pid 5866] <... mkdir resumed>) = 0 [pid 6667] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6667] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6666] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6668 [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6666] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6667] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6666] <... futex resumed>) = 0 [pid 6667] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6666] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6668 attached [pid 6668] set_robust_list(0x55558acd66a0, 24 [pid 6665] +++ exited with 0 +++ [pid 6664] +++ exited with 0 +++ [pid 6668] <... set_robust_list resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6664, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6668] chdir("./84") = 0 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6668] setpgid(0, 0) = 0 [pid 6666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... openat resumed>) = 3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6668] write(3, "1000", 4 [pid 5867] <... openat resumed>) = 3 [pid 6668] <... write resumed>) = 4 [pid 6668] close(3 [pid 5867] newfstatat(3, "", executing program {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6668] <... close resumed>) = 0 [pid 6668] symlink("/dev/binderfs", "./binderfs" [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6668] <... symlink resumed>) = 0 [pid 5867] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] write(1, "executing program\n", 18 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] <... write resumed>) = 18 [pid 5867] newfstatat(AT_FDCWD, "./85/binderfs", [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6668] <... futex resumed>) = 0 [pid 5867] unlink("./85/binderfs" [pid 6668] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] getdents64(3, [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] close(3) = 0 [pid 6668] <... mmap resumed>) = 0x7f44f9fbe000 [pid 5867] rmdir("./85") = 0 [pid 6668] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] mkdir("./86", 0777) = 0 [pid 6668] <... mprotect resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6669 ./strace-static-x86_64: Process 6669 attached [pid 6669] set_robust_list(0x55558acd66a0, 24 [pid 6668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6669] <... set_robust_list resumed>) = 0 [pid 6669] chdir("./86" [pid 6668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6669] <... chdir resumed>) = 0 [pid 6669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6669] setpgid(0, 0) = 0 [pid 6669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6669] write(3, "1000", 4executing program ./strace-static-x86_64: Process 6670 attached ) = 4 [pid 6670] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6669] close(3 [pid 6670] <... rseq resumed>) = 0 [pid 6669] <... close resumed>) = 0 [pid 6668] <... clone3 resumed> => {parent_tid=[6670]}, 88) = 6670 [pid 6670] set_robust_list(0x7f44f9fde9a0, 24 [pid 6668] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... set_robust_list resumed>) = 0 [pid 6670] rt_sigprocmask(SIG_SETMASK, [], [pid 6669] symlink("/dev/binderfs", "./binderfs" [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] <... symlink resumed>) = 0 [pid 6669] write(1, "executing program\n", 18 [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6669] <... write resumed>) = 18 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] <... openat resumed>) = 3 [pid 6669] <... futex resumed>) = 0 [pid 6670] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6670] <... futex resumed>) = 1 [pid 6669] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6668] <... futex resumed>) = 0 [pid 6669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6669] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6670] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6669] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] <... mmap resumed>) = 0x7f44f9f99000 [pid 6670] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6669] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6670] <... mmap resumed>) = 0x7f44f9f59000 [pid 6669] <... clone3 resumed> => {parent_tid=[6671]}, 88) = 6671 [pid 6669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6669] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6671 attached ) = 0 [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6671] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6671] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] <... futex resumed>) = 0 [pid 6671] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6670] <... futex resumed>) = 0 [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... openat resumed>) = 3 [pid 6670] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6670] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6671] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6669] <... futex resumed>) = 0 [pid 6669] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... io_uring_enter resumed>) = 4096 [pid 6671] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6671] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6671] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6671] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6671] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6669] <... futex resumed>) = 0 [pid 6671] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6669] <... futex resumed>) = 0 [pid 6671] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... futex resumed>) = 0 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = 0 [pid 6669] <... futex resumed>) = 0 [pid 6671] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6669] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = 0 [pid 6669] <... futex resumed>) = 1 [pid 6671] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6669] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6667] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6666] exit_group(0) = ? [pid 6667] <... futex resumed>) = ? [pid 6667] +++ exited with 0 +++ [pid 6666] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6666, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./81/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./81") = 0 [pid 5865] mkdir("./82", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6672 ./strace-static-x86_64: Process 6672 attached [pid 6672] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6672] chdir("./82") = 0 [pid 6672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6672] setpgid(0, 0) = 0 [pid 6672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6672] write(3, "1000", 4) = 4 [pid 6672] close(3) = 0 [pid 6672] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6672] write(1, "executing program\n", 18) = 18 [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6670] <... io_uring_enter resumed>) = 4096 [pid 6672] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6673]}, 88) = 6673 [pid 6672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6672] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6673 attached [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6673] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6673] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6673] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6673] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6672] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6672] <... futex resumed>) = 0 [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6673] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6673] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6672] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6672] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] exit_group(0 [pid 6673] <... futex resumed>) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6669] <... exit_group resumed>) = ? [pid 6673] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6672] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6671] <... io_uring_enter resumed>) = ? [pid 6672] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] exit_group(0) = ? [pid 6670] <... futex resumed>) = ? [pid 6670] +++ exited with 0 +++ [pid 6668] +++ exited with 0 +++ [pid 6671] +++ exited with 0 +++ [pid 6669] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6669, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(3, "", [pid 5866] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5867] getdents64(3, [pid 5866] newfstatat(3, "", [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] getdents64(3, [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5866] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] unlink("./86/binderfs" [pid 5866] newfstatat(AT_FDCWD, "./84/binderfs", [pid 5867] <... unlink resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] getdents64(3, [pid 5866] unlink("./84/binderfs" [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 5866] <... unlink resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5866] getdents64(3, [pid 5867] rmdir("./86" [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5866] close(3 [pid 5867] mkdir("./87", 0777 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./84" [pid 5867] <... mkdir resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6674 attached [pid 5866] mkdir("./85", 0777 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6674 [pid 5866] <... mkdir resumed>) = 0 [pid 6674] set_robust_list(0x55558acd66a0, 24 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6674] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6675 attached [pid 6674] chdir("./87" [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6675 [pid 6674] <... chdir resumed>) = 0 [pid 6675] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6675] chdir("./85") = 0 [pid 6674] setpgid(0, 0) = 0 [pid 6675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6675] <... prctl resumed>) = 0 [pid 6675] setpgid(0, 0) = 0 [pid 6675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6675] write(3, "1000", 4) = 4 [pid 6675] close(3) = 0 [pid 6674] <... openat resumed>) = 3 [pid 6675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6674] write(3, "1000", 4 [pid 6675] write(1, "executing program\n", 18 [pid 6674] <... write resumed>) = 4 [pid 6675] <... write resumed>) = 18 [pid 6674] close(3 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... close resumed>) = 0 [pid 6675] <... futex resumed>) = 0 [pid 6675] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6674] symlink("/dev/binderfs", "./binderfs" [pid 6675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6674] <... symlink resumed>) = 0 [pid 6675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6674] write(1, "executing program\n", 18 [pid 6675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] <... write resumed>) = 18 [pid 6675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6675] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6676 attached [pid 6675] <... clone3 resumed> => {parent_tid=[6676]}, 88) = 6676 [pid 6675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6675] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6676] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6676] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6674] <... futex resumed>) = 0 [pid 6674] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6676] <... openat resumed>) = 3 [pid 6676] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6675] <... futex resumed>) = 0 [pid 6676] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6675] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6675] <... futex resumed>) = 0 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6676] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6674] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6674] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6676] <... mmap resumed>) = 0x7f44f9f99000 [pid 6674] <... mprotect resumed>) = 0 [pid 6676] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6676] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... clone3 resumed> => {parent_tid=[6677]}, 88) = 6677 ./strace-static-x86_64: Process 6677 attached [pid 6674] rt_sigprocmask(SIG_SETMASK, [], [pid 6676] <... futex resumed>) = 1 [pid 6675] <... futex resumed>) = 0 [pid 6675] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6675] <... futex resumed>) = 0 [pid 6674] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] <... futex resumed>) = 0 [pid 6676] <... futex resumed>) = 0 [pid 6675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6676] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... io_uring_enter resumed>) = 4096 [pid 6677] <... rseq resumed>) = 0 [pid 6675] <... futex resumed>) = 0 [pid 6677] set_robust_list(0x7f44f9fde9a0, 24 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... set_robust_list resumed>) = 0 [pid 6676] <... futex resumed>) = 0 [pid 6675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6677] rt_sigprocmask(SIG_SETMASK, [], [pid 6676] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6675] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6675] <... futex resumed>) = 0 [pid 6675] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] exit_group(0) = ? [pid 6677] <... openat resumed>) = 3 [pid 6673] +++ exited with 0 +++ [pid 6672] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6672, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6677] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... restart_syscall resumed>) = 0 [pid 6674] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = 0 [pid 6677] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6677] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5865] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6677] <... mmap resumed>) = 0x7f44f9f99000 [pid 5865] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6677] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6677] <... mmap resumed>) = 0x7f44f9f59000 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./82/binderfs") = 0 [pid 5865] getdents64(3, [pid 6675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6677] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./82") = 0 [pid 5865] mkdir("./83", 0777 [pid 6677] <... futex resumed>) = 1 [pid 6674] <... futex resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6679 ./strace-static-x86_64: Process 6679 attached [pid 6677] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6679] set_robust_list(0x55558acd66a0, 24 [pid 6674] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... set_robust_list resumed>) = 0 [pid 6674] <... futex resumed>) = 1 [pid 6677] <... futex resumed>) = 0 [pid 6677] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] chdir("./83" [pid 6677] <... futex resumed>) = 0 [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] <... chdir resumed>) = 0 [pid 6677] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6679] setpgid(0, 0 [pid 6674] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... setpgid resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = 1 [pid 6679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6677] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6679] <... openat resumed>) = 3 [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] write(3, "1000", 4) = 4 [pid 6679] close(3) = 0 [pid 6679] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6679] write(1, "executing program\n", 18) = 18 [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6679] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6680 attached => {parent_tid=[6680]}, 88) = 6680 [pid 6679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6679] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6680] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6680] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6674] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6680] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6680] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6680] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6680] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6680] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6680] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = 1 [pid 6680] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = 0 [pid 6680] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6679] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = 1 [pid 6680] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6679] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] <... io_uring_enter resumed>) = 4096 [pid 6676] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6675] exit_group(0) = ? [pid 6676] +++ exited with 0 +++ [pid 6675] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6675, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./85/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./85") = 0 [pid 5866] mkdir("./86", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6681 ./strace-static-x86_64: Process 6681 attached [pid 6681] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6681] chdir("./86") = 0 [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6681] setpgid(0, 0) = 0 [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6681] write(3, "1000", 4) = 4 [pid 6681] close(3) = 0 [pid 6681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6681] write(1, "executing program\n", 18executing program ) = 18 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6681] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6677] <... io_uring_enter resumed>) = 4096 [pid 6681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6677] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6677] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6674] exit_group(0) = ? [pid 6677] <... futex resumed>) = ? [pid 6677] +++ exited with 0 +++ [pid 6674] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6674, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./87/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./87") = 0 [pid 5867] mkdir("./88", 0777) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6682 attached , child_tidptr=0x55558acd6690) = 6682 [pid 6682] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6682] chdir("./88" [pid 6681] <... mprotect resumed>) = 0 [pid 6682] <... chdir resumed>) = 0 [pid 6682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6682] setpgid(0, 0) = 0 [pid 6682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6682] write(3, "1000", 4) = 4 [pid 6682] close(3) = 0 [pid 6682] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6682] write(1, "executing program\n", 18) = 18 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6682] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6682] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6682] <... mprotect resumed>) = 0 [pid 6682] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6682] <... clone3 resumed> => {parent_tid=[6683]}, 88) = 6683 [pid 6682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6682] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6684 attached ./strace-static-x86_64: Process 6683 attached [pid 6684] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6683] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6681] <... clone3 resumed> => {parent_tid=[6684]}, 88) = 6684 [pid 6684] <... rseq resumed>) = 0 [pid 6683] <... rseq resumed>) = 0 [pid 6681] rt_sigprocmask(SIG_SETMASK, [], [pid 6684] set_robust_list(0x7f44f9fde9a0, 24 [pid 6683] set_robust_list(0x7f44f9fde9a0, 24 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6684] <... set_robust_list resumed>) = 0 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6681] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] rt_sigprocmask(SIG_SETMASK, [], [pid 6683] rt_sigprocmask(SIG_SETMASK, [], [pid 6681] <... futex resumed>) = 0 [pid 6684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6684] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6684] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] <... openat resumed>) = 3 [pid 6681] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... futex resumed>) = 0 [pid 6683] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 1 [pid 6684] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6683] <... futex resumed>) = 1 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6684] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6684] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6684] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6681] <... futex resumed>) = 0 [pid 6681] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = 0 [pid 6682] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6684] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 1 [pid 6681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6681] <... futex resumed>) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6684] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... io_uring_enter resumed>) = 4096 [pid 6684] <... futex resumed>) = 0 [pid 6681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6681] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] <... mmap resumed>) = 0x7f44f9f99000 [pid 6681] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6680] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... mmap resumed>) = 0x7f44f9f59000 [pid 6680] <... futex resumed>) = 0 [pid 6683] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] <... futex resumed>) = 1 [pid 6682] <... futex resumed>) = 0 [pid 6683] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6683] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6683] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = 0 [pid 6683] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6682] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] exit_group(0 [pid 6680] <... futex resumed>) = ? [pid 6679] <... exit_group resumed>) = ? [pid 6680] +++ exited with 0 +++ [pid 6679] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6679, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6682] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./83/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./83") = 0 [pid 5865] mkdir("./84", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6685 attached [pid 6685] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6685 [pid 6685] <... set_robust_list resumed>) = 0 [pid 6685] chdir("./84") = 0 [pid 6685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6685] setpgid(0, 0) = 0 [pid 6685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6684] <... io_uring_enter resumed>) = 4096 [pid 6685] write(3, "1000", 4) = 4 [pid 6685] close(3) = 0 [pid 6685] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6685] write(1, "executing program\n", 18) = 18 [pid 6684] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] exit_group(0 [pid 6685] <... futex resumed>) = 0 [pid 6681] <... exit_group resumed>) = ? [pid 6685] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6684] <... futex resumed>) = ? [pid 6683] <... io_uring_enter resumed>) = 4096 [pid 6685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6684] +++ exited with 0 +++ [pid 6681] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6681, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./86/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./86") = 0 [pid 5866] mkdir("./87", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6686 attached [pid 6685] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6683] <... futex resumed>) = 0 [pid 6682] exit_group(0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6686 [pid 6685] <... mprotect resumed>) = 0 [pid 6682] <... exit_group resumed>) = ? [pid 6685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6687 attached [pid 6686] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6685] <... clone3 resumed> => {parent_tid=[6687]}, 88) = 6687 [pid 6685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6685] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] +++ exited with 0 +++ [pid 6682] +++ exited with 0 +++ [pid 6686] chdir("./87" [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6682, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6687] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6686] <... chdir resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5867] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./88/binderfs") = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./88") = 0 [pid 5867] mkdir("./89", 0777 [pid 6687] <... rseq resumed>) = 0 [pid 6686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... mkdir resumed>) = 0 [pid 6687] set_robust_list(0x7f44f9fde9a0, 24executing program [pid 6686] <... prctl resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6687] <... set_robust_list resumed>) = 0 [pid 6686] setpgid(0, 0 [pid 6687] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] <... setpgid resumed>) = 0 [pid 6687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6687] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6686] <... openat resumed>) = 3 [pid 6687] <... openat resumed>) = 3 [pid 6686] write(3, "1000", 4 [pid 6687] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... write resumed>) = 4 ./strace-static-x86_64: Process 6688 attached [pid 6687] <... futex resumed>) = 1 [pid 6686] close(3 [pid 6685] <... futex resumed>) = 0 [pid 6688] set_robust_list(0x55558acd66a0, 24 [pid 6687] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6686] <... close resumed>) = 0 [pid 6685] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6688 [pid 6688] <... set_robust_list resumed>) = 0 [pid 6688] chdir("./89" [pid 6687] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6686] symlink("/dev/binderfs", "./binderfs" [pid 6685] <... futex resumed>) = 0 [pid 6688] <... chdir resumed>) = 0 [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6688] setpgid(0, 0 [pid 6687] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6686] <... symlink resumed>) = 0 [pid 6688] <... setpgid resumed>) = 0 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6687] <... mmap resumed>) = 0x7f44f9f99000 [pid 6686] write(1, "executing program\n", 18 [pid 6687] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6686] <... write resumed>) = 18 [pid 6688] <... openat resumed>) = 3 [pid 6687] <... mmap resumed>) = 0x7f44f9f59000 [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... futex resumed>) = 0 [pid 6688] write(3, "1000", 4) = 4 [pid 6687] <... futex resumed>) = 1 [pid 6686] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6687] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6685] <... futex resumed>) = 0 [pid 6688] close(3 [pid 6686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6688] <... close resumed>) = 0 [pid 6686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] symlink("/dev/binderfs", "./binderfs" [pid 6687] <... futex resumed>) = 0 [pid 6686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6685] <... futex resumed>) = 1 [pid 6687] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6687] <... futex resumed>) = 0 [pid 6686] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6687] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] <... mprotect resumed>) = 0 [pid 6686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6689]}, 88) = 6689 [pid 6686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6686] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6688] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6689 attached [pid 6688] write(1, "executing program\n", 18 [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6688] <... write resumed>) = 18 [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] <... rseq resumed>) = 0 [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] set_robust_list(0x7f44f9fde9a0, 24 [pid 6688] <... futex resumed>) = 0 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6687] <... futex resumed>) = 0 [pid 6685] <... futex resumed>) = 1 [pid 6688] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6689] rt_sigprocmask(SIG_SETMASK, [], [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6689] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6687] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6685] <... futex resumed>) = 0 [pid 6689] <... openat resumed>) = 3 [pid 6688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6685] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 0 [pid 6687] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6689] <... futex resumed>) = 1 [pid 6685] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6686] <... futex resumed>) = 0 [pid 6688] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6686] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = 0 [pid 6688] <... mprotect resumed>) = 0 [pid 6686] <... futex resumed>) = 1 [pid 6689] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6689] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6689] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6689] <... mmap resumed>) = 0x7f44f9f59000 [pid 6688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6689] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6686] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... clone3 resumed> => {parent_tid=[6690]}, 88) = 6690 [pid 6686] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6690 attached [pid 6690] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6689] <... futex resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... rseq resumed>) = 0 [pid 6686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] set_robust_list(0x7f44f9fde9a0, 24 [pid 6689] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... set_robust_list resumed>) = 0 [pid 6689] <... futex resumed>) = 0 [pid 6688] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... futex resumed>) = 0 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], [pid 6689] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] <... futex resumed>) = 0 [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6686] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = 1 [pid 6689] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6686] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... openat resumed>) = 3 [pid 6690] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6690] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6690] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6690] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6690] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6690] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = 0 [pid 6690] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = 1 [pid 6690] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6688] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6688] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6685] exit_group(0) = ? [pid 6686] exit_group(0) = ? [pid 6687] <... io_uring_enter resumed>) = ? [pid 6687] +++ exited with 0 +++ [pid 6685] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6685, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./84/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./84") = 0 [pid 5865] mkdir("./85", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6691 ./strace-static-x86_64: Process 6691 attached [pid 6691] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6691] chdir("./85") = 0 [pid 6691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6691] setpgid(0, 0) = 0 [pid 6691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6691] write(3, "1000", 4) = 4 [pid 6691] close(3) = 0 [pid 6691] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6691] write(1, "executing program\n", 18) = 18 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6691] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6691] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6689] <... io_uring_enter resumed>) = ? [pid 6691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6692 attached [pid 6689] +++ exited with 0 +++ [pid 6686] +++ exited with 0 +++ [pid 6691] <... clone3 resumed> => {parent_tid=[6692]}, 88) = 6692 [pid 6691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6691] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6690] <... io_uring_enter resumed>) = 4096 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6686, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6692] <... rseq resumed>) = 0 [pid 6692] set_robust_list(0x7f44f9fde9a0, 24 [pid 5866] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6692] <... set_robust_list resumed>) = 0 [pid 6690] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] rt_sigprocmask(SIG_SETMASK, [], [pid 6690] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6692] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6690] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6688] exit_group(0 [pid 5866] <... openat resumed>) = 3 [pid 6688] <... exit_group resumed>) = ? [pid 6692] <... openat resumed>) = 3 [pid 6691] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6690] <... futex resumed>) = ? [pid 5866] newfstatat(3, "", [pid 6692] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6691] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6691] <... futex resumed>) = 0 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] getdents64(3, [pid 6692] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6690] +++ exited with 0 +++ [pid 6688] +++ exited with 0 +++ [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 6692] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6688, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6692] <... mmap resumed>) = 0x7f44f9f99000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6692] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 5866] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5867] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6692] <... mmap resumed>) = 0x7f44f9f59000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] unlink("./87/binderfs" [pid 6692] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6691] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... unlink resumed>) = 0 [pid 6692] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(3, "", [pid 5866] getdents64(3, [pid 6692] <... futex resumed>) = 0 [pid 6692] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6691] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] getdents64(3, [pid 5866] close(3 [pid 6691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6691] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = 1 [pid 5866] <... close resumed>) = 0 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] rmdir("./87" [pid 5867] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6692] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6692] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6691] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... rmdir resumed>) = 0 [pid 6691] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5866] mkdir("./88", 0777 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./89/binderfs" [pid 5866] <... mkdir resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6693 attached [pid 5867] getdents64(3, [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6693 [pid 6693] set_robust_list(0x55558acd66a0, 24 [pid 5867] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 6693] <... set_robust_list resumed>) = 0 [pid 5867] close(3 [pid 6693] chdir("./88" [pid 5867] <... close resumed>) = 0 [pid 6693] <... chdir resumed>) = 0 [pid 5867] rmdir("./89" [pid 6693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6691] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6693] <... prctl resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6693] setpgid(0, 0 [pid 5867] mkdir("./90", 0777 [pid 6693] <... setpgid resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6694 attached [pid 6694] set_robust_list(0x55558acd66a0, 24 [pid 6693] <... openat resumed>) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558acd6690) = 6694 [pid 6694] <... set_robust_list resumed>) = 0 [pid 6693] write(3, "1000", 4) = 4 [pid 6694] chdir("./90" [pid 6693] close(3 [pid 6694] <... chdir resumed>) = 0 [pid 6693] <... close resumed>) = 0 [pid 6693] symlink("/dev/binderfs", "./binderfs" [pid 6694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6693] <... symlink resumed>) = 0 [pid 6694] <... prctl resumed>) = 0 [pid 6693] write(1, "executing program\n", 18executing program ) = 18 [pid 6694] setpgid(0, 0 [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... setpgid resumed>) = 0 [pid 6693] <... futex resumed>) = 0 [pid 6693] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6694] <... openat resumed>) = 3 [pid 6693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6694] write(3, "1000", 4 [pid 6693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6694] <... write resumed>) = 4 [pid 6693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6694] close(3) = 0 [pid 6693] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6694] symlink("/dev/binderfs", "./binderfs" [pid 6693] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6694] <... symlink resumed>) = 0 [pid 6693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6695 attached => {parent_tid=[6695]}, 88) = 6695 [pid 6693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6693] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6695] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6695] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6695] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6694] write(1, "executing program\n", 18 [pid 6695] <... openat resumed>) = 3 [pid 6694] <... write resumed>) = 18 [pid 6694] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = 0 [pid 6695] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... futex resumed>) = 0 [pid 6693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6695] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6693] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6694] <... futex resumed>) = 0 [pid 6693] <... futex resumed>) = 0 [pid 6694] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6695] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6695] <... mmap resumed>) = 0x7f44f9f99000 [pid 6694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6694] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6695] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6695] <... mmap resumed>) = 0x7f44f9f59000 [pid 6694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} [pid 6695] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... clone3 resumed> => {parent_tid=[6696]}, 88) = 6696 [pid 6695] <... futex resumed>) = 1 [pid 6694] rt_sigprocmask(SIG_SETMASK, [], [pid 6693] <... futex resumed>) = 0 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = 0 [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6696 attached [pid 6695] <... futex resumed>) = 1 [pid 6693] <... futex resumed>) = 0 [pid 6695] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6695] <... futex resumed>) = 0 [pid 6693] <... futex resumed>) = 0 [pid 6695] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6693] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = 0 [pid 6693] <... futex resumed>) = 1 [pid 6695] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6693] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... rseq resumed>) = 0 [pid 6696] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6696] rt_sigprocmask(SIG_SETMASK, [], [pid 6694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6694] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6694] <... futex resumed>) = 0 [pid 6694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6694] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6694] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6697 attached => {parent_tid=[6697]}, 88) = 6697 [pid 6694] rt_sigprocmask(SIG_SETMASK, [], [pid 6697] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6697] <... rseq resumed>) = 0 [pid 6694] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6694] <... futex resumed>) = 0 [pid 6697] <... set_robust_list resumed>) = 0 [pid 6694] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6697] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 6696] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6697] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f44f9f78000 [pid 6696] <... openat resumed>) = 4 [pid 6697] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f44f9f38000 [pid 6697] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6694] <... futex resumed>) = 0 [pid 6697] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6694] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 1 [pid 6696] <... futex resumed>) = 0 [pid 6697] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6694] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] io_uring_enter(3, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6692] <... io_uring_enter resumed>) = 4096 [pid 6692] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6691] exit_group(0 [pid 6692] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6691] <... exit_group resumed>) = ? [pid 6692] <... futex resumed>) = ? [pid 6692] +++ exited with 0 +++ [pid 6691] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6691, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./85/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./85") = 0 [pid 5865] mkdir("./86", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6699 ./strace-static-x86_64: Process 6699 attached [pid 6699] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6699] chdir("./86") = 0 [pid 6699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6699] setpgid(0, 0) = 0 [pid 6699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6699] <... openat resumed>) = 3 [pid 6699] write(3, "1000", 4) = 4 [pid 6699] close(3) = 0 [pid 6699] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6699] write(1, "executing program\n", 18executing program ) = 18 [pid 6699] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6699] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6699] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6700 attached => {parent_tid=[6700]}, 88) = 6700 [pid 6699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6699] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6699] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6700] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6700] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6700] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6700] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = 0 [pid 6699] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6700] <... futex resumed>) = 0 [pid 6700] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6699] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6700] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6700] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6700] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... futex resumed>) = 0 [pid 6699] <... futex resumed>) = 0 [pid 6700] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f38000 [pid 6699] mprotect(0x7f44f9f39000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f58990, parent_tid=0x7f44f9f58990, exit_signal=0, stack=0x7f44f9f38000, stack_size=0x20300, tls=0x7f44f9f586c0}./strace-static-x86_64: Process 6702 attached => {parent_tid=[6702]}, 88) = 6702 [pid 6702] rseq(0x7f44f9f58fe0, 0x20, 0, 0x53053053 [pid 6699] rt_sigprocmask(SIG_SETMASK, [], [pid 6702] <... rseq resumed>) = 0 [pid 6699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6699] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6702] set_robust_list(0x7f44f9f589a0, 24 [pid 6699] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6702] <... set_robust_list resumed>) = 0 [pid 6695] <... io_uring_enter resumed>) = 4096 [pid 6702] rt_sigprocmask(SIG_SETMASK, [], [pid 6696] <... io_uring_enter resumed>) = 4096 [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6702] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6702] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = 0 [pid 6699] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... futex resumed>) = 0 [pid 6699] <... futex resumed>) = 1 [pid 6695] <... futex resumed>) = 0 [pid 6700] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] exit_group(0 [pid 6700] <... futex resumed>) = 0 [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] <... futex resumed>) = 0 [pid 6693] <... exit_group resumed>) = ? [pid 6700] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6699] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = 0 [pid 6699] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] +++ exited with 0 +++ [pid 6693] +++ exited with 0 +++ [pid 6694] exit_group(0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6693, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6697] <... futex resumed>) = ? [pid 6696] <... futex resumed>) = ? [pid 6694] <... exit_group resumed>) = ? [pid 6697] +++ exited with 0 +++ [pid 5866] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./88/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./88") = 0 [pid 5866] mkdir("./89", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6703 ./strace-static-x86_64: Process 6703 attached [pid 6703] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6703] chdir("./89") = 0 [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6703] setpgid(0, 0) = 0 [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6703] write(3, "1000", 4) = 4 [pid 6703] close(3) = 0 [pid 6703] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6703] write(1, "executing program\n", 18executing program ) = 18 [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6703] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6703] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6704 attached => {parent_tid=[6704]}, 88) = 6704 [pid 6703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6703] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6704] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6704] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6704] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6704] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6704] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6704] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6704] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6704] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6704] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6703] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] <... io_uring_enter resumed>) = 4096 [pid 6703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6700] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] exit_group(0 [pid 6702] <... futex resumed>) = ? [pid 6699] <... exit_group resumed>) = ? [pid 6702] +++ exited with 0 +++ [pid 6700] <... futex resumed>) = ? [pid 6700] +++ exited with 0 +++ [pid 6699] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6699, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./86/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./86") = 0 [pid 5865] mkdir("./87", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6705 attached , child_tidptr=0x55558acd6690) = 6705 [pid 6705] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6705] chdir("./87") = 0 [pid 6705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6705] setpgid(0, 0) = 0 [pid 6705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6705] write(3, "1000", 4) = 4 [pid 6705] close(3executing program ) = 0 [pid 6705] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6705] write(1, "executing program\n", 18) = 18 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6705] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6706]}, 88) = 6706 [pid 6705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6705] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6706 attached [pid 6706] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6706] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6706] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6706] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6705] <... futex resumed>) = 0 [pid 6705] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6706] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6706] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6706] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6705] <... futex resumed>) = 0 [pid 6705] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... futex resumed>) = 0 [pid 6705] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... futex resumed>) = 1 [pid 6706] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... futex resumed>) = 0 [pid 6705] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... futex resumed>) = 1 [pid 6706] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6704] <... io_uring_enter resumed>) = 4096 [pid 6705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6705] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6704] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] exit_group(0) = ? [pid 6704] +++ exited with 0 +++ [pid 6703] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6703, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./89/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./89") = 0 [pid 5866] mkdir("./90", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6707 ./strace-static-x86_64: Process 6707 attached [pid 6707] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6707] chdir("./90") = 0 [pid 6707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6707] setpgid(0, 0) = 0 [pid 6707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6707] write(3, "1000", 4) = 4 [pid 6707] close(3) = 0 [pid 6707] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6707] write(1, "executing program\n", 18executing program ) = 18 [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6707] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6708 attached [pid 6708] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6707] <... clone3 resumed> => {parent_tid=[6708]}, 88) = 6708 [pid 6708] set_robust_list(0x7f44f9fde9a0, 24 [pid 6707] rt_sigprocmask(SIG_SETMASK, [], [pid 6708] <... set_robust_list resumed>) = 0 [pid 6707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6708] rt_sigprocmask(SIG_SETMASK, [], [pid 6707] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6708] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] <... openat resumed>) = 3 [pid 6708] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6707] <... futex resumed>) = 0 [pid 6707] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6708] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6708] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6708] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6707] <... futex resumed>) = 0 [pid 6707] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6707] <... futex resumed>) = 0 [pid 6707] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6707] <... futex resumed>) = 0 [pid 6708] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6707] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6707] <... futex resumed>) = 0 [pid 6708] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6707] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6705] exit_group(0) = ? [pid 6706] <... io_uring_enter resumed>) = ? [pid 6706] +++ exited with 0 +++ [pid 6705] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6705, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./87/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./87") = 0 [pid 5865] mkdir("./88", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6709 attached , child_tidptr=0x55558acd6690) = 6709 [pid 6709] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6709] chdir("./88") = 0 [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6709] setpgid(0, 0) = 0 [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6709] write(3, "1000", 4) = 4 [pid 6709] close(3) = 0 [pid 6709] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6709] write(1, "executing program\n", 18) = 18 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6709] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6709] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6709] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6710 attached [pid 6710] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6710] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6710] rt_sigprocmask(SIG_SETMASK, [], [pid 6709] <... clone3 resumed> => {parent_tid=[6710]}, 88) = 6710 [pid 6709] rt_sigprocmask(SIG_SETMASK, [], [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6709] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] <... openat resumed>) = 3 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6709] <... futex resumed>) = 0 [pid 6709] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6709] <... futex resumed>) = 0 [pid 6710] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6710] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6710] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6709] <... futex resumed>) = 0 [pid 6709] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6709] <... futex resumed>) = 0 [pid 6709] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6709] <... futex resumed>) = 0 [pid 6710] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6709] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6709] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] <... io_uring_enter resumed>) = 4096 [pid 6708] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6708] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6707] exit_group(0) = ? [pid 6708] <... futex resumed>) = ? [pid 6709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6708] +++ exited with 0 +++ [pid 6707] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6707, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./90/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./90") = 0 [pid 5866] mkdir("./91", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6712 attached [pid 6712] set_robust_list(0x55558acd66a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6712 [pid 6712] <... set_robust_list resumed>) = 0 [pid 6712] chdir("./91") = 0 [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6712] setpgid(0, 0) = 0 [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6712] write(3, "1000", 4) = 4 [pid 6712] close(3) = 0 [pid 6712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6712] write(1, "executing program\n", 18executing program ) = 18 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6709] exit_group(0) = ? [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6712] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6713 attached => {parent_tid=[6713]}, 88) = 6713 [pid 6712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6712] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6713] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6713] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6713] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6712] <... futex resumed>) = 0 [pid 6712] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6713] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6713] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6713] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6712] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] <... futex resumed>) = 1 [pid 6713] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6712] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] <... futex resumed>) = 1 [pid 6713] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6712] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] <... futex resumed>) = 1 [pid 6713] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6710] <... io_uring_enter resumed>) = ? [pid 6710] +++ exited with 0 +++ [pid 6709] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6709, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./88/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./88") = 0 [pid 5865] mkdir("./89", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6714 attached [pid 6714] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6714 [pid 6714] <... set_robust_list resumed>) = 0 [pid 6714] chdir("./89") = 0 [pid 6714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6714] setpgid(0, 0) = 0 [pid 6714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6714] write(3, "1000", 4) = 4 [pid 6714] close(3) = 0 [pid 6714] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6714] write(1, "executing program\n", 18) = 18 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6714] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6714] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6715 attached [pid 6715] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6714] <... clone3 resumed> => {parent_tid=[6715]}, 88) = 6715 [pid 6714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6715] <... rseq resumed>) = 0 [pid 6714] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] set_robust_list(0x7f44f9fde9a0, 24 [pid 6714] <... futex resumed>) = 0 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6715] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6715] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6715] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6714] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6714] <... futex resumed>) = 0 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6715] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6715] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6714] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = 0 [pid 6715] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] <... futex resumed>) = 0 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6714] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6714] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6712] exit_group(0) = ? [pid 6713] <... io_uring_enter resumed>) = ? [pid 6713] +++ exited with 0 +++ [pid 6712] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6712, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6714] exit_group(0) = ? [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./91/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./91") = 0 [pid 5866] mkdir("./92", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6716 ./strace-static-x86_64: Process 6716 attached [pid 6716] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6716] chdir("./92") = 0 [pid 6716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6715] <... io_uring_enter resumed>) = ? [pid 6716] setpgid(0, 0) = 0 [pid 6715] +++ exited with 0 +++ [pid 6714] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6714, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6716] write(3, "1000", 4) = 4 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] close(3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... close resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./89/binderfs") = 0 [pid 5865] getdents64(3, [pid 6716] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./89" [pid 6716] <... symlink resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6716] write(1, "executing program\n", 18 [pid 5865] mkdir("./90", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6717 attached [pid 6717] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6717 [pid 6717] <... set_robust_list resumed>) = 0 [pid 6717] chdir("./90") = 0 executing program [pid 6717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6716] <... write resumed>) = 18 [pid 6717] setpgid(0, 0 [pid 6716] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... setpgid resumed>) = 0 [pid 6717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6716] <... futex resumed>) = 0 [pid 6716] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6717] <... openat resumed>) = 3 [pid 6717] write(3, "1000", 4) = 4 [pid 6717] close(3) = 0 [pid 6717] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6717] write(1, "executing program\n", 18) = 18 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, [pid 6716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6717] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6718 attached [pid 6716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6717] <... clone3 resumed> => {parent_tid=[6718]}, 88) = 6718 [pid 6717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6717] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6718] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] <... mmap resumed>) = 0x7f44f9fbe000 [pid 6716] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE [pid 6718] <... rseq resumed>) = 0 [pid 6718] set_robust_list(0x7f44f9fde9a0, 24 [pid 6716] <... mprotect resumed>) = 0 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6718] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6718] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6717] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6718] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6719 attached [pid 6718] <... mmap resumed>) = 0x7f44f9f99000 [pid 6718] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6716] <... clone3 resumed> => {parent_tid=[6719]}, 88) = 6719 [pid 6718] <... mmap resumed>) = 0x7f44f9f59000 [pid 6716] rt_sigprocmask(SIG_SETMASK, [], [pid 6718] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6718] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6716] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6716] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 6719] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6718] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... rseq resumed>) = 0 [pid 6719] set_robust_list(0x7f44f9fde9a0, 24 [pid 6718] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6717] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... set_robust_list resumed>) = 0 [pid 6718] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6719] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6716] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6719] <... openat resumed>) = 3 [pid 6717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6716] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 0 [pid 6719] <... futex resumed>) = 0 [pid 6716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6716] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6720 attached [pid 6720] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6716] <... clone3 resumed> => {parent_tid=[6720]}, 88) = 6720 [pid 6720] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6716] rt_sigprocmask(SIG_SETMASK, [], [pid 6720] <... set_robust_list resumed>) = 0 [pid 6716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6716] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6719] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] <... futex resumed>) = 0 [pid 6720] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6716] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6720] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6720] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6720] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6716] <... futex resumed>) = 0 [pid 6720] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = 0 [pid 6716] <... futex resumed>) = 1 [pid 6719] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... futex resumed>) = 0 [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6716] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6716] <... futex resumed>) = 0 [pid 6719] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6719] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6716] <... futex resumed>) = 0 [pid 6716] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6717] exit_group(0) = ? [pid 6718] <... io_uring_enter resumed>) = ? [pid 6718] +++ exited with 0 +++ [pid 6717] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6717, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./90/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./90") = 0 [pid 5865] mkdir("./91", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6721 attached , child_tidptr=0x55558acd6690) = 6721 [pid 6721] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6721] chdir("./91") = 0 [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6721] setpgid(0, 0) = 0 [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6721] write(3, "1000", 4) = 4 [pid 6721] close(3) = 0 [pid 6721] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6721] write(1, "executing program\n", 18) = 18 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6721] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6721] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6722 attached => {parent_tid=[6722]}, 88) = 6722 [pid 6722] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6721] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] <... rseq resumed>) = 0 [pid 6722] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6722] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6722] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6722] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6719] <... io_uring_enter resumed>) = 4096 [pid 6719] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... mmap resumed>) = 0x7f44f9f99000 [pid 6719] <... futex resumed>) = 0 [pid 6716] exit_group(0 [pid 6720] <... futex resumed>) = ? [pid 6716] <... exit_group resumed>) = ? [pid 6720] +++ exited with 0 +++ [pid 6722] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6722] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] +++ exited with 0 +++ [pid 6716] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6716, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./92/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./92") = 0 [pid 5866] mkdir("./93", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6723 ./strace-static-x86_64: Process 6723 attached [pid 6723] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6723] chdir("./93") = 0 [pid 6721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6723] setpgid(0, 0) = 0 [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6723] write(3, "1000", 4) = 4 [pid 6723] close(3) = 0 [pid 6723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6723] write(1, "executing program\n", 18executing program ) = 18 [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6723] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6723] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6724 attached => {parent_tid=[6724]}, 88) = 6724 [pid 6723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6723] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6723] <... futex resumed>) = 0 [pid 6724] <... rseq resumed>) = 0 [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6724] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6724] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6724] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6724] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6724] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6724] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6724] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = 0 [pid 6724] <... futex resumed>) = 1 [pid 6724] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6724] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6723] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6721] exit_group(0) = ? [pid 6722] <... io_uring_enter resumed>) = ? [pid 6723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6722] +++ exited with 0 +++ [pid 6721] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6721, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./91/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./91") = 0 [pid 5865] mkdir("./92", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6725 ./strace-static-x86_64: Process 6725 attached [pid 6725] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6725] chdir("./92") = 0 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6725] setpgid(0, 0) = 0 [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6725] write(3, "1000", 4) = 4 [pid 6725] close(3) = 0 [pid 6725] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6725] write(1, "executing program\n", 18) = 18 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6725] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6726 attached [pid 6726] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6725] <... clone3 resumed> => {parent_tid=[6726]}, 88) = 6726 [pid 6726] <... rseq resumed>) = 0 [pid 6725] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] set_robust_list(0x7f44f9fde9a0, 24 [pid 6725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6726] <... set_robust_list resumed>) = 0 [pid 6725] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] rt_sigprocmask(SIG_SETMASK, [], [pid 6725] <... futex resumed>) = 0 [pid 6726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6726] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... futex resumed>) = 0 [pid 6726] <... futex resumed>) = 1 [pid 6725] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6725] <... futex resumed>) = 0 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6726] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6726] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6723] exit_group(0) = ? [pid 6726] <... mmap resumed>) = 0x7f44f9f59000 [pid 6726] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6725] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... futex resumed>) = 0 [pid 6726] <... futex resumed>) = 0 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = 0 [pid 6725] <... futex resumed>) = 1 [pid 6726] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... futex resumed>) = 0 [pid 6725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6726] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6725] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6724] <... io_uring_enter resumed>) = ? [pid 6724] +++ exited with 0 +++ [pid 6723] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./93/binderfs") = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./93") = 0 [pid 5866] mkdir("./94", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6727 attached [pid 6727] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x55558acd6690) = 6727 [pid 6727] chdir("./94") = 0 [pid 6727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6727] setpgid(0, 0) = 0 [pid 6727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6727] write(3, "1000", 4) = 4 [pid 6727] close(3) = 0 [pid 6727] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6727] write(1, "executing program\n", 18) = 18 [pid 6727] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6727] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6728]}, 88) = 6728 [pid 6727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6727] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6728 attached [pid 6728] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6727] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6729 attached [pid 6728] set_robust_list(0x7f44f9fde9a0, 24 [pid 6727] <... clone3 resumed> => {parent_tid=[6729]}, 88) = 6729 [pid 6728] <... set_robust_list resumed>) = 0 [pid 6727] rt_sigprocmask(SIG_SETMASK, [], [pid 6728] rt_sigprocmask(SIG_SETMASK, [], [pid 6727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6729] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6728] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6727] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... rseq resumed>) = 0 [pid 6727] <... futex resumed>) = 0 [pid 6729] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] <... set_robust_list resumed>) = 0 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6729] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 6729] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f44f9f78000 [pid 6729] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f44f9f38000 [pid 6729] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6727] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6727] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6727] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] io_uring_enter(3, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6728] <... openat resumed>) = 4 [pid 6728] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] exit_group(0) = ? [pid 6728] <... futex resumed>) = 0 [pid 6728] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6726] <... io_uring_enter resumed>) = ? [pid 6727] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6726] +++ exited with 0 +++ [pid 6725] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./92/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./92") = 0 [pid 5865] mkdir("./93", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6731 attached , child_tidptr=0x55558acd6690) = 6731 [pid 6731] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6731] chdir("./93") = 0 [pid 6731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6729] <... io_uring_enter resumed>) = 4096 [pid 6729] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... prctl resumed>) = 0 [pid 6729] <... futex resumed>) = 0 [pid 6731] setpgid(0, 0 [pid 6729] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] exit_group(0 [pid 6728] <... futex resumed>) = ? [pid 6729] <... futex resumed>) = ? [pid 6727] <... exit_group resumed>) = ? [pid 6728] +++ exited with 0 +++ [pid 6731] <... setpgid resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6731] write(3, "1000", 4) = 4 [pid 6731] close(3) = 0 [pid 6731] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6731] write(1, "executing program\n", 18) = 18 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6731] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6732]}, 88) = 6732 [pid 6731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6731] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6732 attached [pid 6732] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6732] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6732] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6732] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6732] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6731] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6731] <... futex resumed>) = 0 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6732] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6732] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6731] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6731] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6731] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6731] exit_group(0) = ? [pid 6732] <... io_uring_enter resumed>) = ? [pid 6732] +++ exited with 0 +++ [pid 6731] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6731, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./93/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./93") = 0 [pid 5865] mkdir("./94", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6733 attached , child_tidptr=0x55558acd6690) = 6733 [pid 6733] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6733] chdir("./94") = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6733] setpgid(0, 0) = 0 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6733] write(3, "1000", 4) = 4 [pid 6733] close(3) = 0 [pid 6733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6733] write(1, "executing program\n", 18executing program ) = 18 [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6733] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6733] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6734 attached [pid 6734] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6734] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6734] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] <... clone3 resumed> => {parent_tid=[6734]}, 88) = 6734 [pid 6734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [pid 6734] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6733] <... futex resumed>) = 0 [pid 6734] <... openat resumed>) = 3 [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6734] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6733] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6733] <... futex resumed>) = 0 [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6734] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6734] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6734] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6734] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 1 [pid 6734] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6733] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6733] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] kill(-6694, SIGKILL) = 0 [pid 5867] kill(6694, SIGKILL) = 0 [pid 6734] <... io_uring_enter resumed>) = 4096 [pid 6734] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] exit_group(0 [pid 6734] <... futex resumed>) = 0 [pid 6733] <... exit_group resumed>) = ? [pid 6734] +++ exited with 0 +++ [pid 6733] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./94/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./94") = 0 [pid 5865] mkdir("./95", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6736 attached [pid 6736] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6736 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6736] chdir("./95") = 0 [pid 6736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6736] setpgid(0, 0) = 0 [pid 6736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6736] write(3, "1000", 4) = 4 [pid 6736] close(3) = 0 [pid 6736] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6736] write(1, "executing program\n", 18) = 18 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6736] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6737 attached [pid 6737] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6736] <... clone3 resumed> => {parent_tid=[6737]}, 88) = 6737 [pid 6737] set_robust_list(0x7f44f9fde9a0, 24 [pid 6736] rt_sigprocmask(SIG_SETMASK, [], [pid 6737] <... set_robust_list resumed>) = 0 [pid 6737] rt_sigprocmask(SIG_SETMASK, [], [pid 6736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6736] <... futex resumed>) = 0 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] <... futex resumed>) = 0 [pid 6737] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6736] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6737] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6737] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6737] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6737] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6736] <... futex resumed>) = 0 [pid 6736] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6736] <... futex resumed>) = 0 [pid 6736] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = 0 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... futex resumed>) = 0 [pid 6737] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6736] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6737] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6736] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6737] <... io_uring_enter resumed>) = 4096 [pid 6737] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] exit_group(0) = ? [pid 6737] +++ exited with 0 +++ [pid 6736] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6736, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./95/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./95") = 0 [pid 5865] mkdir("./96", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6738 attached [pid 6738] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6738 [pid 6738] <... set_robust_list resumed>) = 0 [pid 6738] chdir("./96") = 0 [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6738] setpgid(0, 0) = 0 [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6738] write(3, "1000", 4) = 4 [pid 6738] close(3) = 0 [pid 6738] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6738] write(1, "executing program\n", 18) = 18 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6738] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6738] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6739 attached [pid 6739] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6738] <... clone3 resumed> => {parent_tid=[6739]}, 88) = 6739 [pid 6739] <... rseq resumed>) = 0 [pid 6738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6739] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6739] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6739] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6739] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6738] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6739] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6739] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6739] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6739] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... futex resumed>) = 0 [pid 6738] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 1 [pid 6739] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6739] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 0 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 1 [pid 6739] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6738] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x55558acd7730 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 6739] <... io_uring_enter resumed>) = 4096 [pid 6739] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6738] exit_group(0) = ? [pid 6739] +++ exited with 0 +++ [pid 6738] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6738, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./96/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./96") = 0 [pid 5865] mkdir("./97", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6740 attached [pid 6740] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6740 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6740] chdir("./97") = 0 [pid 6740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6740] setpgid(0, 0) = 0 [pid 6740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6740] write(3, "1000", 4) = 4 [pid 6740] close(3) = 0 [pid 6740] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6740] write(1, "executing program\n", 18) = 18 [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6740] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6740] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6741 attached [pid 6741] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6741] set_robust_list(0x7f44f9fde9a0, 24 [pid 6740] <... clone3 resumed> => {parent_tid=[6741]}, 88) = 6741 [pid 6741] <... set_robust_list resumed>) = 0 [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 6741] rt_sigprocmask(SIG_SETMASK, [], [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6740] <... futex resumed>) = 0 [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... openat resumed>) = 3 [pid 6741] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6741] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] <... futex resumed>) = 0 [pid 6740] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6741] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6741] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6741] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6741] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6741] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] <... futex resumed>) = 0 [pid 6740] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6741] <... futex resumed>) = 0 [pid 6741] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6741] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6740] <... futex resumed>) = 0 [pid 6741] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6740] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6740] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6741] <... io_uring_enter resumed>) = 4096 [pid 6741] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6741] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] exit_group(0) = ? [pid 6741] <... futex resumed>) = ? [pid 6741] +++ exited with 0 +++ [pid 6740] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6740, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./97/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./97") = 0 [pid 5865] mkdir("./98", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6742 attached [pid 6742] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6742 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6742] chdir("./98") = 0 [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6742] setpgid(0, 0) = 0 [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6742] write(3, "1000", 4) = 4 [pid 6742] close(3) = 0 [pid 6742] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6742] write(1, "executing program\n", 18) = 18 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6742] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6742] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6743 attached => {parent_tid=[6743]}, 88) = 6743 [pid 6742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6742] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6743] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6743] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6743] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6742] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6743] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6743] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6743] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6743] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = 0 [pid 6742] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = 1 [pid 6743] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... futex resumed>) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6742] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6743] <... io_uring_enter resumed>) = 4096 [pid 6743] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] exit_group(0) = ? [pid 6743] <... futex resumed>) = ? [pid 6743] +++ exited with 0 +++ [pid 6742] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6742, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./98/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./98") = 0 [pid 5865] mkdir("./99", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6744 attached , child_tidptr=0x55558acd6690) = 6744 [pid 6744] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6744] chdir("./99") = 0 [pid 6744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6744] setpgid(0, 0) = 0 [pid 6744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6744] write(3, "1000", 4) = 4 [pid 6744] close(3) = 0 [pid 6744] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6744] write(1, "executing program\n", 18) = 18 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6744] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6745 attached => {parent_tid=[6745]}, 88) = 6745 [pid 6744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6744] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6745] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6745] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6745] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6745] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] <... futex resumed>) = 0 [pid 6744] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... futex resumed>) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6745] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6745] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6745] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6745] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6744] <... futex resumed>) = 0 [pid 6744] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6744] <... futex resumed>) = 0 [pid 6744] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6744] <... futex resumed>) = 0 [pid 6744] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6744] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6744] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6745] <... io_uring_enter resumed>) = 4096 [pid 6745] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] exit_group(0) = ? [pid 6745] <... futex resumed>) = ? [pid 6745] +++ exited with 0 +++ [pid 6744] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6744, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./99/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./99") = 0 [pid 5865] mkdir("./100", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6746 attached , child_tidptr=0x55558acd6690) = 6746 [pid 6746] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6746] chdir("./100") = 0 [pid 6746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6746] setpgid(0, 0) = 0 [pid 6746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6746] write(3, "1000", 4) = 4 [pid 6746] close(3) = 0 [pid 6746] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6746] write(1, "executing program\n", 18executing program ) = 18 [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6746] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6746] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6746] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6747 attached => {parent_tid=[6747]}, 88) = 6747 [pid 6747] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6747] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6747] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6746] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 6746] <... futex resumed>) = 1 [pid 6747] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... openat resumed>) = 3 [pid 6747] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6746] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6746] <... futex resumed>) = 0 [pid 6747] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... mmap resumed>) = 0x7f44f9f99000 [pid 6747] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6747] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6747] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 6746] <... futex resumed>) = 1 [pid 6747] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... futex resumed>) = 0 [pid 6747] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... futex resumed>) = 0 [pid 6747] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6747] <... futex resumed>) = 0 [pid 6746] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6746] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6747] <... io_uring_enter resumed>) = 4096 [pid 6747] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6747] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] exit_group(0 [pid 6747] <... futex resumed>) = ? [pid 6746] <... exit_group resumed>) = ? [pid 6747] +++ exited with 0 +++ [pid 6746] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6746, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./100/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./100") = 0 [pid 5865] mkdir("./101", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6748 attached , child_tidptr=0x55558acd6690) = 6748 [pid 6748] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6748] chdir("./101") = 0 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6748] setpgid(0, 0) = 0 [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6748] write(3, "1000", 4) = 4 [pid 6748] close(3) = 0 [pid 6748] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6748] write(1, "executing program\n", 18) = 18 [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6748] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6748] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6748] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6749 attached [pid 6749] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6749] set_robust_list(0x7f44f9fde9a0, 24 [pid 6748] <... clone3 resumed> => {parent_tid=[6749]}, 88) = 6749 [pid 6749] <... set_robust_list resumed>) = 0 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], [pid 6749] rt_sigprocmask(SIG_SETMASK, [], [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6748] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6748] <... futex resumed>) = 0 [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... openat resumed>) = 3 [pid 6749] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6748] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6748] <... futex resumed>) = 0 [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6749] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6749] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = 1 [pid 6749] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6749] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6748] <... futex resumed>) = 0 [pid 6748] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5866] kill(-6727, SIGKILL) = 0 [pid 5866] kill(6727, SIGKILL) = 0 [pid 6748] exit_group(0) = ? [pid 6749] <... io_uring_enter resumed>) = ? [pid 6749] +++ exited with 0 +++ [pid 6748] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6748, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./101/binderfs") = 0 [pid 5866] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55558acd7730 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(3, [pid 5866] getdents64(3, [pid 5865] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5866] <... getdents64 resumed>0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5866] close(3 [pid 5865] rmdir("./101" [pid 5866] <... close resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./102", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6750 ./strace-static-x86_64: Process 6750 attached [pid 6750] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6750] chdir("./102") = 0 [pid 6750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6750] setpgid(0, 0) = 0 [pid 6750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6750] write(3, "1000", 4) = 4 [pid 6750] close(3) = 0 [pid 6750] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6750] write(1, "executing program\n", 18) = 18 [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6750] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6750] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6751 attached => {parent_tid=[6751]}, 88) = 6751 [pid 6751] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6750] rt_sigprocmask(SIG_SETMASK, [], [pid 6751] <... rseq resumed>) = 0 [pid 6750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6751] set_robust_list(0x7f44f9fde9a0, 24 [pid 6750] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... set_robust_list resumed>) = 0 [pid 6750] <... futex resumed>) = 0 [pid 6751] rt_sigprocmask(SIG_SETMASK, [], [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6751] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6751] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6751] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6751] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6751] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6751] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6751] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6751] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6751] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6751] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6751] <... futex resumed>) = 0 [pid 6750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6751] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6751] <... futex resumed>) = 0 [pid 6750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6751] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6750] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6750] exit_group(0) = ? [pid 6751] <... io_uring_enter resumed>) = ? [pid 6751] +++ exited with 0 +++ [pid 6750] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6750, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5865] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./102/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./102") = 0 [pid 5865] mkdir("./103", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6752 ./strace-static-x86_64: Process 6752 attached [pid 6752] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6752] chdir("./103") = 0 [pid 6752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6752] setpgid(0, 0) = 0 [pid 6752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6752] write(3, "1000", 4) = 4 [pid 6752] close(3) = 0 [pid 6752] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6752] write(1, "executing program\n", 18) = 18 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6752] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6752] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6752] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6753 attached => {parent_tid=[6753]}, 88) = 6753 [pid 6752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6752] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6753] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... rseq resumed>) = 0 [pid 6753] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6753] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6753] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6753] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6753] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6753] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... futex resumed>) = 1 [pid 6753] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... futex resumed>) = 1 [pid 6753] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6753] <... io_uring_enter resumed>) = 4096 [pid 6753] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6753] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] exit_group(0 [pid 6753] <... futex resumed>) = ? [pid 6752] <... exit_group resumed>) = ? [pid 6753] +++ exited with 0 +++ [pid 6752] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6752, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./103/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./103") = 0 [pid 5865] mkdir("./104", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6754 attached , child_tidptr=0x55558acd6690) = 6754 [pid 6754] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6754] chdir("./104") = 0 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6754] setpgid(0, 0) = 0 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6754] write(3, "1000", 4) = 4 [pid 6754] close(3) = 0 [pid 6754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6754] write(1, "executing program\n", 18) = 18 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6754] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6755 attached => {parent_tid=[6755]}, 88) = 6755 [pid 6754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6754] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6755] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6755] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6755] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6754] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6755] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6755] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6755] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6755] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 1 [pid 6755] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 1 [pid 6755] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 1 [pid 6755] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6754] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6754] exit_group(0) = ? [pid 6755] <... io_uring_enter resumed>) = ? [pid 6755] +++ exited with 0 +++ [pid 6754] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./104/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./104") = 0 [pid 5865] mkdir("./105", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6756 attached , child_tidptr=0x55558acd6690) = 6756 [pid 6756] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6756] chdir("./105") = 0 [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6756] setpgid(0, 0) = 0 [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6756] write(3, "1000", 4) = 4 [pid 6756] close(3) = 0 [pid 6756] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6756] write(1, "executing program\n", 18) = 18 [pid 6756] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6756] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6757]}, 88) = 6757 [pid 6756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6756] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6757 attached [pid 6757] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6756] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6756] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6757] <... rseq resumed>) = 0 [pid 6756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6758 attached [pid 6757] set_robust_list(0x7f44f9fde9a0, 24 [pid 6756] <... clone3 resumed> => {parent_tid=[6758]}, 88) = 6758 [pid 6757] <... set_robust_list resumed>) = 0 [pid 6757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6756] rt_sigprocmask(SIG_SETMASK, [], [pid 6757] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6757] <... openat resumed>) = 3 [pid 6757] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] <... futex resumed>) = 0 [pid 6757] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6758] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6758] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6758] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6758] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6758] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6756] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... futex resumed>) = 0 [pid 6756] <... futex resumed>) = 1 [pid 6757] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6756] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... futex resumed>) = 0 [pid 6756] <... futex resumed>) = 1 [pid 6757] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6756] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6756] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... futex resumed>) = 0 [pid 6756] <... futex resumed>) = 1 [pid 6757] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6756] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6756] exit_group(0) = ? [pid 6758] <... futex resumed>) = ? [pid 6758] +++ exited with 0 +++ [pid 6757] <... io_uring_enter resumed>) = ? [pid 6757] +++ exited with 0 +++ [pid 6756] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6756, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./105/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./105") = 0 [pid 5865] mkdir("./106", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6759 attached , child_tidptr=0x55558acd6690) = 6759 [pid 6759] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6759] chdir("./106") = 0 [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6759] setpgid(0, 0) = 0 [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6759] write(3, "1000", 4) = 4 [pid 6759] close(3) = 0 [pid 6759] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6759] write(1, "executing program\n", 18) = 18 [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6759] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6759] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6760 attached [pid 6760] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6760] set_robust_list(0x7f44f9fde9a0, 24 [pid 6759] <... clone3 resumed> => {parent_tid=[6760]}, 88) = 6760 [pid 6760] <... set_robust_list resumed>) = 0 [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] rt_sigprocmask(SIG_SETMASK, [], [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6759] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6759] <... futex resumed>) = 0 [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] <... openat resumed>) = 3 [pid 6760] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6760] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6759] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6759] <... futex resumed>) = 0 [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6760] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6760] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6760] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 0 [pid 6760] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6760] <... futex resumed>) = 0 [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] <... futex resumed>) = 0 [pid 6759] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6759] <... futex resumed>) = 0 [pid 6759] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6759] exit_group(0) = ? [pid 6760] <... io_uring_enter resumed>) = ? [pid 6760] +++ exited with 0 +++ [pid 6759] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6759, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./106/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./106") = 0 [pid 5865] mkdir("./107", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6761 attached , child_tidptr=0x55558acd6690) = 6761 [pid 6761] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6761] chdir("./107") = 0 [pid 6761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6761] setpgid(0, 0) = 0 [pid 6761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6761] write(3, "1000", 4) = 4 [pid 6761] close(3) = 0 [pid 6761] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6761] write(1, "executing program\n", 18) = 18 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6761] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6762 attached [pid 6762] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6761] <... clone3 resumed> => {parent_tid=[6762]}, 88) = 6762 [pid 6762] <... rseq resumed>) = 0 [pid 6761] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], [pid 6761] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6762] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6762] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6762] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6762] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6762] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6761] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6762] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6761] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6761] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6762] <... io_uring_enter resumed>) = 4096 [pid 6762] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6762] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6761] exit_group(0) = ? [pid 6762] <... futex resumed>) = ? [pid 6762] +++ exited with 0 +++ [pid 6761] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6761, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./107/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./107") = 0 [pid 5865] mkdir("./108", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6763 attached , child_tidptr=0x55558acd6690) = 6763 [pid 6763] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6763] chdir("./108") = 0 [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6763] setpgid(0, 0) = 0 [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6763] write(3, "1000", 4) = 4 [pid 6763] close(3) = 0 [pid 6763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6763] write(1, "executing program\n", 18executing program ) = 18 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6763] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6764 attached => {parent_tid=[6764]}, 88) = 6764 [pid 6763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6763] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6764] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6764] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6764] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = 0 [pid 6763] <... futex resumed>) = 1 [pid 6764] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6764] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6764] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6764] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6764] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] <... futex resumed>) = 0 [pid 6763] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... futex resumed>) = 0 [pid 6764] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... futex resumed>) = 0 [pid 6763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6764] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6763] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6764] <... io_uring_enter resumed>) = 4096 [pid 6763] exit_group(0) = ? [pid 6764] +++ exited with 0 +++ [pid 6763] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6763, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./108/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./108") = 0 [pid 5865] mkdir("./109", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6765 attached , child_tidptr=0x55558acd6690) = 6765 executing program [pid 6765] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6765] chdir("./109") = 0 [pid 6765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6765] setpgid(0, 0) = 0 [pid 6765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6765] write(3, "1000", 4) = 4 [pid 6765] close(3) = 0 [pid 6765] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6765] write(1, "executing program\n", 18) = 18 [pid 6765] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6765] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6766 attached => {parent_tid=[6766]}, 88) = 6766 [pid 6765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6765] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6766] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6766] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6766] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6765] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6766] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6765] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6766] <... mmap resumed>) = 0x7f44f9f99000 [pid 6765] <... mmap resumed>) = 0x7f44f9f78000 [pid 6766] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000 [pid 6765] mprotect(0x7f44f9f79000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9f98990, parent_tid=0x7f44f9f98990, exit_signal=0, stack=0x7f44f9f78000, stack_size=0x20300, tls=0x7f44f9f986c0}./strace-static-x86_64: Process 6767 attached => {parent_tid=[6767]}, 88) = 6767 [pid 6765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6765] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] rseq(0x7f44f9f98fe0, 0x20, 0, 0x53053053) = 0 [pid 6767] set_robust_list(0x7f44f9f989a0, 24) = 0 [pid 6767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x4} --- [pid 6765] <... futex resumed>) = ? [pid 6766] <... mmap resumed>) = ? [pid 6766] +++ killed by SIGSEGV +++ [pid 6767] +++ killed by SIGSEGV +++ [pid 6765] +++ killed by SIGSEGV +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6765, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./109/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./109") = 0 [pid 5865] mkdir("./110", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6768 ./strace-static-x86_64: Process 6768 attached [pid 6768] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6768] chdir("./110") = 0 [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6768] setpgid(0, 0) = 0 [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6768] write(3, "1000", 4) = 4 [pid 6768] close(3) = 0 [pid 6768] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6768] write(1, "executing program\n", 18) = 18 [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6768] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6768] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6769 attached => {parent_tid=[6769]}, 88) = 6769 [pid 6768] rt_sigprocmask(SIG_SETMASK, [], [pid 6769] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] set_robust_list(0x7f44f9fde9a0, 24 [pid 6768] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... set_robust_list resumed>) = 0 [pid 6768] <... futex resumed>) = 0 [pid 6769] rt_sigprocmask(SIG_SETMASK, [], [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6769] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6768] <... futex resumed>) = 0 [pid 6769] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] <... futex resumed>) = 0 [pid 6769] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6769] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6769] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6769] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6768] <... futex resumed>) = 0 [pid 6769] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6769] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = 0 [pid 6768] <... futex resumed>) = 1 [pid 6769] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... futex resumed>) = 0 [pid 6768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6769] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] <... futex resumed>) = 0 [pid 6769] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6768] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6769] <... io_uring_enter resumed>) = 4096 [pid 6769] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6768] exit_group(0) = ? [pid 6769] +++ exited with 0 +++ [pid 6768] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6768, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./110/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./110") = 0 [pid 5865] mkdir("./111", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6770 attached [pid 6770] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6770 [pid 6770] chdir("./111") = 0 [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6770] setpgid(0, 0) = 0 [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6770] write(3, "1000", 4) = 4 [pid 6770] close(3) = 0 [pid 6770] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6770] write(1, "executing program\n", 18) = 18 [pid 6770] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6770] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6771 attached => {parent_tid=[6771]}, 88) = 6771 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6770] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6770] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6771] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6771] rt_sigprocmask(SIG_SETMASK, [], [pid 6770] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6771] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6771] <... openat resumed>) = 3 [pid 6770] <... mmap resumed>) = 0x7f44f9f9d000 [pid 6771] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE [pid 6771] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] <... mprotect resumed>) = 0 [pid 6770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6772 attached => {parent_tid=[6772]}, 88) = 6772 [pid 6772] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], [pid 6772] <... rseq resumed>) = 0 [pid 6770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6772] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6770] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... set_robust_list resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6772] rt_sigprocmask(SIG_SETMASK, [], [pid 6770] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6772] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6772] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6772] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6772] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6770] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... futex resumed>) = 1 [pid 6770] <... futex resumed>) = 1 [pid 6771] <... futex resumed>) = 0 [pid 6771] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6771] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = 0 [pid 6770] <... futex resumed>) = 1 [pid 6771] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = 0 [pid 6770] <... futex resumed>) = 1 [pid 6771] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6772] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6771] <... io_uring_enter resumed>) = 4096 [pid 6771] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] exit_group(0 [pid 6771] exit_group(0 [pid 6772] <... futex resumed>) = ? [pid 6770] <... exit_group resumed>) = ? [pid 6772] +++ exited with 0 +++ [pid 6771] +++ exited with 0 +++ [pid 6770] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6770, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./111/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./111") = 0 [pid 5865] mkdir("./112", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6773 attached [pid 6773] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6773 [pid 6773] <... set_robust_list resumed>) = 0 [pid 6773] chdir("./112") = 0 [pid 6773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6773] setpgid(0, 0) = 0 [pid 6773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6773] write(3, "1000", 4) = 4 [pid 6773] close(3) = 0 [pid 6773] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6773] write(1, "executing program\n", 18executing program ) = 18 [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6773] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6773] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6774 attached => {parent_tid=[6774]}, 88) = 6774 [pid 6773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6773] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6774] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6774] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6774] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6774] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... futex resumed>) = 0 [pid 6773] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6774] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6774] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6774] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6773] <... futex resumed>) = 0 [pid 6774] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6774] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6774] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6774] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6773] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6773] exit_group(0) = ? [pid 6774] <... io_uring_enter resumed>) = ? [pid 6774] +++ exited with 0 +++ [pid 6773] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6773, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./112/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./112") = 0 [pid 5865] mkdir("./113", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6775 attached , child_tidptr=0x55558acd6690) = 6775 [pid 6775] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6775] chdir("./113") = 0 [pid 6775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6775] setpgid(0, 0) = 0 [pid 6775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6775] write(3, "1000", 4) = 4 [pid 6775] close(3) = 0 [pid 6775] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6775] write(1, "executing program\n", 18) = 18 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6775] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6776 attached [pid 6776] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6775] <... clone3 resumed> => {parent_tid=[6776]}, 88) = 6776 [pid 6776] set_robust_list(0x7f44f9fde9a0, 24 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6775] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] <... set_robust_list resumed>) = 0 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6776] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6776] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6775] <... futex resumed>) = 0 [pid 6775] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6776] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6776] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6776] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6776] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6775] <... futex resumed>) = 0 [pid 6776] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6775] <... futex resumed>) = 0 [pid 6776] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6775] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6776] <... futex resumed>) = 0 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6776] <... futex resumed>) = 0 [pid 6775] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6775] <... futex resumed>) = 0 [pid 6775] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6775] exit_group(0) = ? [pid 6776] <... io_uring_enter resumed>) = ? [pid 6776] +++ exited with 0 +++ [pid 6775] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6775, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./113/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./113") = 0 [pid 5865] mkdir("./114", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6777 attached , child_tidptr=0x55558acd6690) = 6777 [pid 6777] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6777] chdir("./114") = 0 [pid 6777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6777] setpgid(0, 0) = 0 [pid 6777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6777] write(3, "1000", 4) = 4 [pid 6777] close(3) = 0 [pid 6777] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6777] write(1, "executing program\n", 18) = 18 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6777] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6777] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6778 attached => {parent_tid=[6778]}, 88) = 6778 [pid 6778] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], [pid 6778] <... rseq resumed>) = 0 [pid 6778] set_robust_list(0x7f44f9fde9a0, 24 [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6778] <... set_robust_list resumed>) = 0 [pid 6777] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] <... futex resumed>) = 0 [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6778] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6778] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 [pid 6778] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6778] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6778] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6778] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6778] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 [pid 6778] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6778] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 [pid 6778] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6778] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 [pid 6778] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6777] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6777] exit_group(0) = ? [pid 6778] <... io_uring_enter resumed>) = ? [pid 6778] +++ exited with 0 +++ [pid 6777] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6777, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./114/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./114") = 0 [pid 5865] mkdir("./115", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6779 attached [pid 6779] set_robust_list(0x55558acd66a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6779 [pid 6779] chdir("./115") = 0 [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6779] setpgid(0, 0) = 0 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6779] write(3, "1000", 4) = 4 [pid 6779] close(3) = 0 [pid 6779] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6779] write(1, "executing program\n", 18) = 18 [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6779] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6779] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6780 attached [pid 6780] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6779] <... clone3 resumed> => {parent_tid=[6780]}, 88) = 6780 [pid 6780] <... rseq resumed>) = 0 [pid 6779] rt_sigprocmask(SIG_SETMASK, [], [pid 6780] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6780] rt_sigprocmask(SIG_SETMASK, [], [pid 6779] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6780] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] <... openat resumed>) = 3 [pid 6780] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6780] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6780] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6780] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6780] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6780] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6779] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6780] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6779] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6779] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6780] <... io_uring_enter resumed>) = 4096 [pid 6780] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6780] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] exit_group(0 [pid 6780] <... futex resumed>) = ? [pid 6779] <... exit_group resumed>) = ? [pid 6780] +++ exited with 0 +++ [pid 6779] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6779, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./115/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./115") = 0 [pid 5865] mkdir("./116", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6781 ./strace-static-x86_64: Process 6781 attached [pid 6781] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6781] chdir("./116") = 0 [pid 6781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6781] setpgid(0, 0) = 0 [pid 6781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6781] write(3, "1000", 4) = 4 [pid 6781] close(3) = 0 [pid 6781] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6781] write(1, "executing program\n", 18) = 18 [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6781] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6781] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6782 attached => {parent_tid=[6782]}, 88) = 6782 [pid 6782] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6781] rt_sigprocmask(SIG_SETMASK, [], [pid 6782] <... rseq resumed>) = 0 [pid 6781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6782] set_robust_list(0x7f44f9fde9a0, 24 [pid 6781] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... set_robust_list resumed>) = 0 [pid 6781] <... futex resumed>) = 0 [pid 6782] rt_sigprocmask(SIG_SETMASK, [], [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6782] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6782] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6781] <... futex resumed>) = 0 [pid 6782] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] <... futex resumed>) = 0 [pid 6782] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6782] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6782] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6782] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6781] <... futex resumed>) = 0 [pid 6782] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] <... futex resumed>) = 0 [pid 6782] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... futex resumed>) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] <... futex resumed>) = 0 [pid 6782] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... futex resumed>) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6781] <... futex resumed>) = 0 [pid 6781] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6782] <... io_uring_enter resumed>) = 4096 [pid 6782] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6782] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] exit_group(0) = ? [pid 6782] <... futex resumed>) = ? [pid 6782] +++ exited with 0 +++ [pid 6781] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6781, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./116/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./116") = 0 [pid 5865] mkdir("./117", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6783 attached , child_tidptr=0x55558acd6690) = 6783 [pid 6783] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6783] chdir("./117") = 0 [pid 6783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6783] setpgid(0, 0) = 0 [pid 6783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6783] write(3, "1000", 4) = 4 [pid 6783] close(3) = 0 [pid 6783] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6783] write(1, "executing program\n", 18) = 18 [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6783] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6783] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6784 attached [pid 6784] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6783] <... clone3 resumed> => {parent_tid=[6784]}, 88) = 6784 [pid 6784] <... rseq resumed>) = 0 [pid 6783] rt_sigprocmask(SIG_SETMASK, [], [pid 6784] set_robust_list(0x7f44f9fde9a0, 24 [pid 6783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6784] <... set_robust_list resumed>) = 0 [pid 6783] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] rt_sigprocmask(SIG_SETMASK, [], [pid 6783] <... futex resumed>) = 0 [pid 6784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6784] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6784] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] <... futex resumed>) = 0 [pid 6783] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = 1 [pid 6784] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6784] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6784] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6783] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6784] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6784] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = 0 [pid 6784] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = 1 [pid 6784] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6783] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6784] <... io_uring_enter resumed>) = 4096 [pid 6784] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6783] exit_group(0) = ? [pid 6784] +++ exited with 0 +++ [pid 6783] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6783, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./117/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./117") = 0 [pid 5865] mkdir("./118", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6785 attached , child_tidptr=0x55558acd6690) = 6785 [pid 6785] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6785] chdir("./118") = 0 [pid 6785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6785] setpgid(0, 0) = 0 [pid 6785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6785] write(3, "1000", 4) = 4 [pid 6785] close(3) = 0 [pid 6785] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6785] write(1, "executing program\n", 18) = 18 [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6785] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6785] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6786]}, 88) = 6786 [pid 6785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6785] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6786 attached [pid 6786] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6786] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6786] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6786] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6785] <... futex resumed>) = 0 [pid 6786] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6785] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6785] <... futex resumed>) = 0 [pid 6786] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0 [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] <... mmap resumed>) = 0x7f44f9f99000 [pid 6786] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6786] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6785] <... futex resumed>) = 0 [pid 6785] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6785] <... futex resumed>) = 0 [pid 6786] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6786] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6785] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = 1 [pid 6786] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6785] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6785] exit_group(0) = ? [pid 6786] <... io_uring_enter resumed>) = ? [pid 6786] +++ exited with 0 +++ [pid 6785] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6785, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./118/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./118") = 0 [pid 5865] mkdir("./119", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6787 ./strace-static-x86_64: Process 6787 attached [pid 6787] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6787] chdir("./119") = 0 [pid 6787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6787] setpgid(0, 0) = 0 [pid 6787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6787] write(3, "1000", 4) = 4 [pid 6787] close(3) = 0 [pid 6787] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6787] write(1, "executing program\n", 18) = 18 [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6787] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6787] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6788]}, 88) = 6788 ./strace-static-x86_64: Process 6788 attached [pid 6787] rt_sigprocmask(SIG_SETMASK, [], [pid 6788] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6788] <... rseq resumed>) = 0 [pid 6787] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] set_robust_list(0x7f44f9fde9a0, 24 [pid 6787] <... futex resumed>) = 0 [pid 6788] <... set_robust_list resumed>) = 0 [pid 6788] rt_sigprocmask(SIG_SETMASK, [], [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6788] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6788] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6787] <... futex resumed>) = 0 [pid 6788] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6788] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6788] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6788] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6788] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6787] <... futex resumed>) = 0 [pid 6788] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6788] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... futex resumed>) = 0 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6788] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6788] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... futex resumed>) = 0 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6788] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6788] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6787] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6787] exit_group(0) = ? [pid 6788] <... io_uring_enter resumed>) = ? [pid 6788] +++ exited with 0 +++ [pid 6787] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6787, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./119/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./119") = 0 [pid 5865] mkdir("./120", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6789 attached , child_tidptr=0x55558acd6690) = 6789 [pid 6789] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6789] chdir("./120") = 0 [pid 6789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6789] setpgid(0, 0) = 0 [pid 6789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6789] write(3, "1000", 4) = 4 [pid 6789] close(3) = 0 [pid 6789] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6789] write(1, "executing program\n", 18) = 18 [pid 6789] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6789] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6789] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6790 attached => {parent_tid=[6790]}, 88) = 6790 [pid 6789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6789] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6789] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6790] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6790] rt_sigprocmask(SIG_SETMASK, [], [pid 6789] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6789] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6789] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0} => {parent_tid=[6791]}, 88) = 6791 [pid 6789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6789] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6789] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6791 attached [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6791] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6791] set_robust_list(0x7f44f9fbd9a0, 24) = 0 [pid 6790] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 6790] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6791] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f78000 [pid 6791] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f38000 [pid 6791] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6789] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6789] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] <... futex resumed>) = 0 [pid 6790] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6790] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6789] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6789] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6789] <... futex resumed>) = 0 [pid 6789] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6789] exit_group(0 [pid 6791] <... futex resumed>) = ? [pid 6789] <... exit_group resumed>) = ? [pid 6791] +++ exited with 0 +++ [pid 6790] <... io_uring_enter resumed>) = ? [pid 6790] +++ exited with 0 +++ [pid 6789] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6789, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./120/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./120") = 0 [pid 5865] mkdir("./121", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6792 ./strace-static-x86_64: Process 6792 attached [pid 6792] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6792] chdir("./121") = 0 [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6792] setpgid(0, 0) = 0 [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6792] write(3, "1000", 4) = 4 [pid 6792] close(3) = 0 [pid 6792] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6792] write(1, "executing program\n", 18) = 18 [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6792] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6793 attached => {parent_tid=[6793]}, 88) = 6793 [pid 6792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6792] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6793] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6793] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6793] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6793] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] <... futex resumed>) = 0 [pid 6792] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 1 [pid 6793] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6793] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6793] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6793] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6793] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6793] <... futex resumed>) = 0 [pid 6793] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6793] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6792] exit_group(0 [pid 6793] <... io_uring_enter resumed>) = 4096 [pid 6792] <... exit_group resumed>) = ? [pid 6793] +++ exited with 0 +++ [pid 6792] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6792, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./121/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./121") = 0 [pid 5865] mkdir("./122", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6794 attached [pid 6794] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6794 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6794] chdir("./122") = 0 [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6794] setpgid(0, 0) = 0 [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6794] write(3, "1000", 4) = 4 [pid 6794] close(3) = 0 [pid 6794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6794] write(1, "executing program\n", 18executing program ) = 18 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6794] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6794] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6795]}, 88) = 6795 [pid 6794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6794] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6795 attached [pid 6795] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6795] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6795] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6794] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6795] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6795] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 1 [pid 6795] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6795] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6795] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6795] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... futex resumed>) = 0 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 1 [pid 6795] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6795] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6794] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6794] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6795] <... io_uring_enter resumed>) = 4096 [pid 6795] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] exit_group(0 [pid 6795] <... futex resumed>) = ? [pid 6794] <... exit_group resumed>) = ? [pid 6795] +++ exited with 0 +++ [pid 6794] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6794, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./122/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./122") = 0 [pid 5865] mkdir("./123", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6796 ./strace-static-x86_64: Process 6796 attached [pid 6796] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6796] chdir("./123") = 0 [pid 6796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6796] setpgid(0, 0) = 0 [pid 6796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6796] write(3, "1000", 4) = 4 [pid 6796] close(3) = 0 [pid 6796] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6796] write(1, "executing program\n", 18) = 18 [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6796] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6796] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6796] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6797]}, 88) = 6797 [pid 6796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6796] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6797 attached [pid 6797] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6797] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6797] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6797] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = 1 [pid 6797] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6797] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6797] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6797] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6797] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = 1 [pid 6797] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6797] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = 1 [pid 6797] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6797] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6797] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6796] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6797] <... io_uring_enter resumed>) = 4096 [pid 6797] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] exit_group(0 [pid 6797] <... futex resumed>) = 0 [pid 6797] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6796] <... exit_group resumed>) = ? [pid 6797] +++ exited with 0 +++ [pid 6796] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6796, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./123/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./123") = 0 [pid 5865] mkdir("./124", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6798 ./strace-static-x86_64: Process 6798 attached [pid 6798] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6798] chdir("./124") = 0 [pid 6798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6798] setpgid(0, 0) = 0 [pid 6798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6798] write(3, "1000", 4) = 4 [pid 6798] close(3) = 0 [pid 6798] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6798] write(1, "executing program\n", 18) = 18 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6798] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6798] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6799 attached [pid 6799] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6798] <... clone3 resumed> => {parent_tid=[6799]}, 88) = 6799 [pid 6799] <... rseq resumed>) = 0 [pid 6798] rt_sigprocmask(SIG_SETMASK, [], [pid 6799] set_robust_list(0x7f44f9fde9a0, 24 [pid 6798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6799] <... set_robust_list resumed>) = 0 [pid 6798] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] rt_sigprocmask(SIG_SETMASK, [], [pid 6798] <... futex resumed>) = 0 [pid 6799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6799] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6798] <... futex resumed>) = 0 [pid 6798] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6798] <... futex resumed>) = 0 [pid 6799] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6799] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6799] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6798] <... futex resumed>) = 0 [pid 6798] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... futex resumed>) = 0 [pid 6798] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... futex resumed>) = 1 [pid 6799] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... futex resumed>) = 0 [pid 6798] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... futex resumed>) = 1 [pid 6799] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6798] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6798] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6799] <... io_uring_enter resumed>) = 4096 [pid 6799] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] exit_group(0) = ? [pid 6799] <... futex resumed>) = ? [pid 6799] +++ exited with 0 +++ [pid 6798] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6798, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./124/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./124") = 0 [pid 5865] mkdir("./125", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6800 attached , child_tidptr=0x55558acd6690) = 6800 [pid 6800] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6800] chdir("./125") = 0 [pid 6800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6800] setpgid(0, 0) = 0 [pid 6800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6800] write(3, "1000", 4) = 4 [pid 6800] close(3) = 0 [pid 6800] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6800] write(1, "executing program\n", 18) = 18 [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6800] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6801 attached => {parent_tid=[6801]}, 88) = 6801 [pid 6801] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], [pid 6801] <... rseq resumed>) = 0 [pid 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6801] set_robust_list(0x7f44f9fde9a0, 24 [pid 6800] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6800] <... futex resumed>) = 0 [pid 6801] rt_sigprocmask(SIG_SETMASK, [], [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6801] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6801] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6801] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6801] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6801] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 1 [pid 6801] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 1 [pid 6801] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 1 [pid 6801] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6800] exit_group(0) = ? [pid 6801] <... io_uring_enter resumed>) = ? [pid 6801] +++ exited with 0 +++ [pid 6800] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6800, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./125/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./125") = 0 [pid 5865] mkdir("./126", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6802 attached [pid 6802] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6802 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6802] chdir("./126") = 0 [pid 6802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6802] setpgid(0, 0) = 0 [pid 6802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6802] write(3, "1000", 4) = 4 [pid 6802] close(3) = 0 [pid 6802] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6802] write(1, "executing program\n", 18) = 18 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6802] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6802] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6802] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6803 attached => {parent_tid=[6803]}, 88) = 6803 [pid 6803] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6802] rt_sigprocmask(SIG_SETMASK, [], [pid 6803] <... rseq resumed>) = 0 [pid 6802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6803] set_robust_list(0x7f44f9fde9a0, 24 [pid 6802] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] <... set_robust_list resumed>) = 0 [pid 6802] <... futex resumed>) = 0 [pid 6803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6803] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6802] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6803] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6803] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 0 [pid 6803] <... futex resumed>) = 1 [pid 6802] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 0 [pid 6803] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6802] <... futex resumed>) = 0 [pid 6802] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6803] <... io_uring_enter resumed>) = 4096 [pid 6803] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] exit_group(0) = ? [pid 6803] <... futex resumed>) = ? [pid 6803] +++ exited with 0 +++ [pid 6802] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6802, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./126/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./126") = 0 [pid 5865] mkdir("./127", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6804 ./strace-static-x86_64: Process 6804 attached [pid 6804] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6804] chdir("./127") = 0 [pid 6804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6804] setpgid(0, 0) = 0 [pid 6804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6804] write(3, "1000", 4) = 4 [pid 6804] close(3) = 0 [pid 6804] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6804] write(1, "executing program\n", 18) = 18 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6804] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6804] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6805 attached [pid 6805] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6804] <... clone3 resumed> => {parent_tid=[6805]}, 88) = 6805 [pid 6805] <... rseq resumed>) = 0 [pid 6805] set_robust_list(0x7f44f9fde9a0, 24 [pid 6804] rt_sigprocmask(SIG_SETMASK, [], [pid 6805] <... set_robust_list resumed>) = 0 [pid 6804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] rt_sigprocmask(SIG_SETMASK, [], [pid 6804] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] <... futex resumed>) = 0 [pid 6805] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] <... openat resumed>) = 3 [pid 6805] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6804] <... futex resumed>) = 0 [pid 6804] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6804] <... futex resumed>) = 0 [pid 6805] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6805] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6805] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6804] <... futex resumed>) = 0 [pid 6804] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... futex resumed>) = 0 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6804] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = 0 [pid 6805] <... futex resumed>) = 1 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 6805] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6804] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6804] <... futex resumed>) = 0 [pid 6804] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6805] <... io_uring_enter resumed>) = 4096 [pid 6805] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] exit_group(0 [pid 6805] <... futex resumed>) = ? [pid 6804] <... exit_group resumed>) = ? [pid 6805] +++ exited with 0 +++ [pid 6804] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6804, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./127/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./127") = 0 [pid 5865] mkdir("./128", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6806 ./strace-static-x86_64: Process 6806 attached [pid 6806] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6806] chdir("./128") = 0 [pid 6806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6806] setpgid(0, 0) = 0 [pid 6806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6806] write(3, "1000", 4) = 4 [pid 6806] close(3) = 0 [pid 6806] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6806] write(1, "executing program\n", 18) = 18 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6806] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6806] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6807 attached [pid 6807] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6806] <... clone3 resumed> => {parent_tid=[6807]}, 88) = 6807 [pid 6807] <... rseq resumed>) = 0 [pid 6806] rt_sigprocmask(SIG_SETMASK, [], [pid 6807] set_robust_list(0x7f44f9fde9a0, 24 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6807] <... set_robust_list resumed>) = 0 [pid 6806] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] rt_sigprocmask(SIG_SETMASK, [], [pid 6806] <... futex resumed>) = 0 [pid 6807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6807] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6807] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... futex resumed>) = 0 [pid 6807] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6807] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6807] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6807] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6807] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... futex resumed>) = 0 [pid 6807] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... futex resumed>) = 0 [pid 6806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... futex resumed>) = 0 [pid 6807] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... futex resumed>) = 0 [pid 6806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... futex resumed>) = 0 [pid 6807] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6806] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6806] exit_group(0) = ? [pid 6807] <... io_uring_enter resumed>) = ? [pid 6807] +++ exited with 0 +++ [pid 6806] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6806, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./128/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./128") = 0 [pid 5865] mkdir("./129", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6808 ./strace-static-x86_64: Process 6808 attached [pid 6808] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6808] chdir("./129") = 0 [pid 6808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6808] setpgid(0, 0) = 0 [pid 6808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6808] write(3, "1000", 4) = 4 [pid 6808] close(3) = 0 [pid 6808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6808] write(1, "executing program\n", 18executing program ) = 18 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6808] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6808] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6809 attached [pid 6809] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6808] <... clone3 resumed> => {parent_tid=[6809]}, 88) = 6809 [pid 6809] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6809] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6808] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... futex resumed>) = 0 [pid 6809] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6809] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6808] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6808] <... futex resumed>) = 0 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6809] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6809] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6809] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6808] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 0 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6808] <... futex resumed>) = 0 [pid 6808] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6809] <... io_uring_enter resumed>) = 4096 [pid 6809] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] exit_group(0 [pid 6809] <... futex resumed>) = ? [pid 6808] <... exit_group resumed>) = ? [pid 6809] +++ exited with 0 +++ [pid 6808] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6808, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./129/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./129") = 0 [pid 5865] mkdir("./130", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6810 attached [pid 6810] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6810] chdir("./130") = 0 [pid 6810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6810 [pid 6810] setpgid(0, 0) = 0 [pid 6810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6810] write(3, "1000", 4) = 4 [pid 6810] close(3) = 0 [pid 6810] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6810] write(1, "executing program\n", 18executing program ) = 18 [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6810] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6810] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6811 attached [pid 6811] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6810] <... clone3 resumed> => {parent_tid=[6811]}, 88) = 6811 [pid 6811] set_robust_list(0x7f44f9fde9a0, 24 [pid 6810] rt_sigprocmask(SIG_SETMASK, [], [pid 6811] <... set_robust_list resumed>) = 0 [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6811] rt_sigprocmask(SIG_SETMASK, [], [pid 6810] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6811] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] <... openat resumed>) = 3 [pid 6811] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6811] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6810] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6810] <... futex resumed>) = 0 [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6811] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6811] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6811] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6811] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = 1 [pid 6811] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] <... futex resumed>) = 0 [pid 6811] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = 1 [pid 6811] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6810] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6811] <... io_uring_enter resumed>) = 4096 [pid 6811] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6810] exit_group(0 [pid 6811] ???( [pid 6810] <... exit_group resumed>) = ? [pid 6811] <... ??? resumed>) = ? [pid 6811] +++ exited with 0 +++ [pid 6810] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6810, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./130/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./130") = 0 [pid 5865] mkdir("./131", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6812 ./strace-static-x86_64: Process 6812 attached [pid 6812] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6812] chdir("./131") = 0 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6812] setpgid(0, 0) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6812] write(3, "1000", 4) = 4 [pid 6812] close(3) = 0 [pid 6812] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6812] write(1, "executing program\n", 18) = 18 [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6812] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6813 attached => {parent_tid=[6813]}, 88) = 6813 [pid 6813] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6812] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] <... rseq resumed>) = 0 [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6813] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6813] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6812] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6812] <... futex resumed>) = 0 [pid 6813] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6813] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6813] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6812] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6813] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 0 [pid 6813] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 1 [pid 6813] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6812] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6813] <... io_uring_enter resumed>) = 4096 [pid 6813] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] exit_group(0) = ? [pid 6813] <... futex resumed>) = ? [pid 6813] +++ exited with 0 +++ [pid 6812] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5865] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./131/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./131") = 0 [pid 5865] mkdir("./132", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6814 ./strace-static-x86_64: Process 6814 attached [pid 6814] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6814] chdir("./132") = 0 [pid 6814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6814] setpgid(0, 0) = 0 [pid 6814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6814] write(3, "1000", 4) = 4 [pid 6814] close(3) = 0 [pid 6814] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6814] write(1, "executing program\n", 18) = 18 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6814] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6814] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6815 attached => {parent_tid=[6815]}, 88) = 6815 [pid 6815] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6814] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] <... rseq resumed>) = 0 [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6815] set_robust_list(0x7f44f9fde9a0, 24 [pid 6814] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6815] rt_sigprocmask(SIG_SETMASK, [], [pid 6814] <... futex resumed>) = 0 [pid 6815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6815] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6814] <... futex resumed>) = 0 [pid 6815] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] <... futex resumed>) = 0 [pid 6815] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6815] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6815] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6814] <... futex resumed>) = 0 [pid 6815] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6814] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6815] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6815] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6814] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6815] <... io_uring_enter resumed>) = 4096 [pid 6815] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] exit_group(0) = ? [pid 6815] <... futex resumed>) = ? [pid 6815] +++ exited with 0 +++ [pid 6814] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6814, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./132/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./132") = 0 [pid 5865] mkdir("./133", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6816 attached , child_tidptr=0x55558acd6690) = 6816 [pid 6816] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6816] chdir("./133") = 0 [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6816] setpgid(0, 0) = 0 [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6816] write(3, "1000", 4) = 4 [pid 6816] close(3) = 0 [pid 6816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6816] write(1, "executing program\n", 18) = 18 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6816] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6817]}, 88) = 6817 [pid 6816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6816] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6817 attached [pid 6817] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6817] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6817] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6817] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6816] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6817] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6817] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6817] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6817] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 1 [pid 6817] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 1 [pid 6817] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 1 [pid 6817] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6816] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6816] exit_group(0) = ? [pid 6817] <... io_uring_enter resumed>) = ? [pid 6817] +++ exited with 0 +++ [pid 6816] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6816, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./133/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./133") = 0 [pid 5865] mkdir("./134", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6818 attached , child_tidptr=0x55558acd6690) = 6818 [pid 6818] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6818] chdir("./134") = 0 [pid 6818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6818] setpgid(0, 0) = 0 [pid 6818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6818] write(3, "1000", 4) = 4 [pid 6818] close(3) = 0 executing program [pid 6818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6818] write(1, "executing program\n", 18) = 18 [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6818] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6818] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6819 attached [pid 6819] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6818] <... clone3 resumed> => {parent_tid=[6819]}, 88) = 6819 [pid 6819] set_robust_list(0x7f44f9fde9a0, 24 [pid 6818] rt_sigprocmask(SIG_SETMASK, [], [pid 6819] <... set_robust_list resumed>) = 0 [pid 6818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] rt_sigprocmask(SIG_SETMASK, [], [pid 6818] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6818] <... futex resumed>) = 0 [pid 6819] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... openat resumed>) = 3 [pid 6819] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6818] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6818] <... futex resumed>) = 0 [pid 6819] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6819] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6819] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... futex resumed>) = 0 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... futex resumed>) = 0 [pid 6818] <... futex resumed>) = 1 [pid 6819] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6818] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6819] <... io_uring_enter resumed>) = 4096 [pid 6819] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6818] exit_group(0) = ? [pid 6819] +++ exited with 0 +++ [pid 6818] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6818, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./134/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./134") = 0 [pid 5865] mkdir("./135", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6820 ./strace-static-x86_64: Process 6820 attached [pid 6820] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6820] chdir("./135") = 0 [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6820] setpgid(0, 0) = 0 [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6820] write(3, "1000", 4) = 4 [pid 6820] close(3) = 0 [pid 6820] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6820] write(1, "executing program\n", 18) = 18 [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6820] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6820] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6820] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6821]}, 88) = 6821 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6820] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6821 attached [pid 6821] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6821] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6821] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6821] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6821] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] <... futex resumed>) = 0 [pid 6820] <... futex resumed>) = 1 [pid 6821] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6821] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6821] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6821] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6820] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6821] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... futex resumed>) = 0 [pid 6821] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6821] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... futex resumed>) = 0 [pid 6820] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] <... futex resumed>) = 0 [pid 6821] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6821] <... io_uring_enter resumed>) = 4096 [pid 6821] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6821] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] exit_group(0) = ? [pid 6821] <... futex resumed>) = ? [pid 6821] +++ exited with 0 +++ [pid 6820] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6820, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./135/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./135") = 0 [pid 5865] mkdir("./136", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6822 attached , child_tidptr=0x55558acd6690) = 6822 [pid 6822] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6822] chdir("./136") = 0 [pid 6822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6822] setpgid(0, 0) = 0 [pid 6822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6822] write(3, "1000", 4) = 4 [pid 6822] close(3) = 0 [pid 6822] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6822] write(1, "executing program\n", 18executing program ) = 18 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6822] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6823 attached => {parent_tid=[6823]}, 88) = 6823 [pid 6822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6822] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6823] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6823] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6823] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = 0 [pid 6822] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... futex resumed>) = 1 [pid 6823] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6823] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6823] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6823] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6823] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... futex resumed>) = 0 [pid 6822] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6823] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6823] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... futex resumed>) = 0 [pid 6822] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6822] <... futex resumed>) = 0 [pid 6822] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6822] exit_group(0) = ? [pid 6823] <... io_uring_enter resumed>) = ? [pid 6823] +++ exited with 0 +++ [pid 6822] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6822, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5865] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./136/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./136") = 0 [pid 5865] mkdir("./137", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6824 attached [pid 6824] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6824] chdir("./137") = 0 [pid 6824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6824] setpgid(0, 0) = 0 [pid 6824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6824 executing program [pid 6824] <... openat resumed>) = 3 [pid 6824] write(3, "1000", 4) = 4 [pid 6824] close(3) = 0 [pid 6824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6824] write(1, "executing program\n", 18) = 18 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6824] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6825]}, 88) = 6825 [pid 6824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6824] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6825 attached [pid 6825] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6825] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6825] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6825] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6824] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6825] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6825] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6825] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6824] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6824] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6824] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6824] exit_group(0) = ? [pid 6825] <... io_uring_enter resumed>) = ? [pid 6825] +++ exited with 0 +++ [pid 6824] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6824, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./137/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./137") = 0 [pid 5865] mkdir("./138", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6826 attached , child_tidptr=0x55558acd6690) = 6826 [pid 6826] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6826] chdir("./138") = 0 [pid 6826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6826] setpgid(0, 0) = 0 [pid 6826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6826] write(3, "1000", 4) = 4 [pid 6826] close(3) = 0 [pid 6826] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6826] write(1, "executing program\n", 18) = 18 [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6826] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6826] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6827 attached [pid 6827] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6826] <... clone3 resumed> => {parent_tid=[6827]}, 88) = 6827 [pid 6827] <... rseq resumed>) = 0 [pid 6827] set_robust_list(0x7f44f9fde9a0, 24 [pid 6826] rt_sigprocmask(SIG_SETMASK, [], [pid 6827] <... set_robust_list resumed>) = 0 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6827] rt_sigprocmask(SIG_SETMASK, [], [pid 6826] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6827] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6827] <... openat resumed>) = 3 [pid 6827] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] <... futex resumed>) = 0 [pid 6827] <... futex resumed>) = 1 [pid 6826] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6826] <... futex resumed>) = 0 [pid 6827] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6827] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6827] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6827] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6827] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6827] <... futex resumed>) = 0 [pid 6827] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... futex resumed>) = 0 [pid 6826] <... futex resumed>) = 1 [pid 6827] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6827] <... futex resumed>) = 0 [pid 6826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6827] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6827] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6826] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6827] <... io_uring_enter resumed>) = 4096 [pid 6827] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] exit_group(0 [pid 6827] <... futex resumed>) = 231 [pid 6826] <... exit_group resumed>) = ? [pid 6827] +++ exited with 0 +++ [pid 6826] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6826, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./138/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./138") = 0 [pid 5865] mkdir("./139", 0777executing program ) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6828 attached , child_tidptr=0x55558acd6690) = 6828 [pid 6828] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6828] chdir("./139") = 0 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6828] setpgid(0, 0) = 0 [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6828] write(3, "1000", 4) = 4 [pid 6828] close(3) = 0 [pid 6828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6828] write(1, "executing program\n", 18) = 18 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6828] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6828] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6829 attached [pid 6829] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6828] <... clone3 resumed> => {parent_tid=[6829]}, 88) = 6829 [pid 6829] <... rseq resumed>) = 0 [pid 6828] rt_sigprocmask(SIG_SETMASK, [], [pid 6829] set_robust_list(0x7f44f9fde9a0, 24 [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6829] <... set_robust_list resumed>) = 0 [pid 6828] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] <... futex resumed>) = 0 [pid 6829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6829] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6828] <... futex resumed>) = 0 [pid 6829] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... futex resumed>) = 0 [pid 6829] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6829] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6829] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6829] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6828] <... futex resumed>) = 0 [pid 6829] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... futex resumed>) = 0 [pid 6829] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6828] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 0 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6828] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6828] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6828] exit_group(0) = ? [pid 6829] <... io_uring_enter resumed>) = ? [pid 6829] +++ exited with 0 +++ [pid 6828] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6828, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./139/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./139") = 0 [pid 5865] mkdir("./140", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6830 ./strace-static-x86_64: Process 6830 attached [pid 6830] set_robust_list(0x55558acd66a0, 24) = 0 executing program [pid 6830] chdir("./140") = 0 [pid 6830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6830] setpgid(0, 0) = 0 [pid 6830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6830] write(3, "1000", 4) = 4 [pid 6830] close(3) = 0 [pid 6830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6830] write(1, "executing program\n", 18) = 18 [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6830] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6830] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6831 attached => {parent_tid=[6831]}, 88) = 6831 [pid 6831] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6830] rt_sigprocmask(SIG_SETMASK, [], [pid 6831] <... rseq resumed>) = 0 [pid 6830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6831] set_robust_list(0x7f44f9fde9a0, 24 [pid 6830] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... set_robust_list resumed>) = 0 [pid 6830] <... futex resumed>) = 0 [pid 6831] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6831] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6831] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6830] <... futex resumed>) = 0 [pid 6831] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6830] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6831] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6831] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6831] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6830] <... futex resumed>) = 0 [pid 6831] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6831] <... futex resumed>) = 0 [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... futex resumed>) = 0 [pid 6830] <... futex resumed>) = 1 [pid 6831] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... futex resumed>) = 0 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6830] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] <... futex resumed>) = 0 [pid 6831] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6830] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6830] exit_group(0) = ? [pid 6831] <... io_uring_enter resumed>) = ? [pid 6831] +++ exited with 0 +++ [pid 6830] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6830, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./140/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./140") = 0 [pid 5865] mkdir("./141", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6832 attached , child_tidptr=0x55558acd6690) = 6832 [pid 6832] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6832] chdir("./141") = 0 [pid 6832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6832] setpgid(0, 0) = 0 [pid 6832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6832] write(3, "1000", 4) = 4 [pid 6832] close(3) = 0 [pid 6832] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6832] write(1, "executing program\n", 18) = 18 [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6832] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6832] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6833 attached [pid 6833] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6833] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6833] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] <... clone3 resumed> => {parent_tid=[6833]}, 88) = 6833 [pid 6832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6832] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6833] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... openat resumed>) = 3 [pid 6833] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6833] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6833] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6833] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6833] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6833] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6833] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6833] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6832] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6833] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6833] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6832] <... futex resumed>) = 0 [pid 6833] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6832] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6832] exit_group(0) = ? [pid 6833] <... io_uring_enter resumed>) = ? [pid 6833] +++ exited with 0 +++ [pid 6832] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6832, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./141/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./141") = 0 [pid 5865] mkdir("./142", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6834 attached [pid 6834] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6834] chdir("./142") = 0 [pid 6834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6834] setpgid(0, 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6834 [pid 6834] <... setpgid resumed>) = 0 [pid 6834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6834] write(3, "1000", 4) = 4 [pid 6834] close(3) = 0 [pid 6834] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6834] write(1, "executing program\n", 18) = 18 [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6834] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6834] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6835 attached => {parent_tid=[6835]}, 88) = 6835 [pid 6834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6834] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6835] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6835] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6835] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6835] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] <... futex resumed>) = 0 [pid 6834] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 1 [pid 6835] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6835] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6835] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6835] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6835] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 1 [pid 6835] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6835] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6834] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 1 [pid 6835] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6834] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 1 [pid 6835] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6834] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6834] exit_group(0) = ? [pid 6835] <... io_uring_enter resumed>) = ? [pid 6835] +++ exited with 0 +++ [pid 6834] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6834, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./142/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./142") = 0 [pid 5865] mkdir("./143", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6836 attached , child_tidptr=0x55558acd6690) = 6836 [pid 6836] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6836] chdir("./143") = 0 [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6836] setpgid(0, 0) = 0 [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6836] write(3, "1000", 4) = 4 [pid 6836] close(3) = 0 [pid 6836] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6836] write(1, "executing program\n", 18) = 18 [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6836] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6837 attached => {parent_tid=[6837]}, 88) = 6837 [pid 6837] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6836] rt_sigprocmask(SIG_SETMASK, [], [pid 6837] <... rseq resumed>) = 0 [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6837] set_robust_list(0x7f44f9fde9a0, 24 [pid 6836] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... set_robust_list resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6837] rt_sigprocmask(SIG_SETMASK, [], [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6837] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6837] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6837] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6836] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6837] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6837] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6837] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6837] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6837] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 1 [pid 6837] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6837] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6836] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6837] <... io_uring_enter resumed>) = 4096 [pid 6837] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] exit_group(0) = ? [pid 6837] +++ exited with 0 +++ [pid 6836] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6836, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./143/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./143") = 0 [pid 5865] mkdir("./144", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6838 attached [pid 6838] set_robust_list(0x55558acd66a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6838 [pid 6838] <... set_robust_list resumed>) = 0 [pid 6838] chdir("./144") = 0 [pid 6838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6838] setpgid(0, 0) = 0 [pid 6838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6838] write(3, "1000", 4) = 4 [pid 6838] close(3) = 0 [pid 6838] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6838] write(1, "executing program\n", 18) = 18 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6838] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6839 attached => {parent_tid=[6839]}, 88) = 6839 [pid 6838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6838] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6839] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6839] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6839] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] <... futex resumed>) = 0 [pid 6838] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6839] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6839] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6839] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] <... futex resumed>) = 0 [pid 6838] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] <... futex resumed>) = 0 [pid 6839] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] <... futex resumed>) = 0 [pid 6839] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 1 [pid 6838] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6839] <... io_uring_enter resumed>) = 4096 [pid 6839] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6839] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] exit_group(0) = ? [pid 6839] <... futex resumed>) = ? [pid 6839] +++ exited with 0 +++ [pid 6838] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6838, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./144/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./144") = 0 [pid 5865] mkdir("./145", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6840 ./strace-static-x86_64: Process 6840 attached [pid 6840] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6840] chdir("./145") = 0 [pid 6840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6840] setpgid(0, 0) = 0 [pid 6840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6840] write(3, "1000", 4) = 4 [pid 6840] close(3) = 0 [pid 6840] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6840] write(1, "executing program\n", 18) = 18 [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6840] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6840] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6841 attached => {parent_tid=[6841]}, 88) = 6841 [pid 6840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6840] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6841] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6841] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6841] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6841] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6840] <... futex resumed>) = 0 [pid 6841] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6840] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6840] <... futex resumed>) = 0 [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6841] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6841] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6841] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6841] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 0 [pid 6840] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6841] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6841] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6841] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6841] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6841] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6840] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6840] exit_group(0) = ? [pid 6841] <... io_uring_enter resumed>) = ? [pid 6841] +++ exited with 0 +++ [pid 6840] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6840, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./145/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./145") = 0 [pid 5865] mkdir("./146", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6842 attached , child_tidptr=0x55558acd6690) = 6842 [pid 6842] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6842] chdir("./146") = 0 [pid 6842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6842] setpgid(0, 0) = 0 [pid 6842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6842] write(3, "1000", 4) = 4 [pid 6842] close(3) = 0 [pid 6842] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6842] write(1, "executing program\n", 18) = 18 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6842] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6843 attached => {parent_tid=[6843]}, 88) = 6843 [pid 6842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6842] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6843] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6843] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6843] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6842] <... futex resumed>) = 0 [pid 6842] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6843] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6843] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6843] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... futex resumed>) = 0 [pid 6842] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] <... futex resumed>) = 1 [pid 6843] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6843] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] <... futex resumed>) = 0 [pid 6842] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6843] <... futex resumed>) = 0 [pid 6843] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6842] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6842] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6843] <... io_uring_enter resumed>) = 4096 [pid 6843] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] exit_group(0 [pid 6843] ???( [pid 6842] <... exit_group resumed>) = ? [pid 6843] <... ??? resumed>) = ? [pid 6843] +++ exited with 0 +++ [pid 6842] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6842, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./146/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./146") = 0 [pid 5865] mkdir("./147", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6844 ./strace-static-x86_64: Process 6844 attached [pid 6844] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6844] chdir("./147") = 0 [pid 6844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6844] setpgid(0, 0) = 0 [pid 6844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6844] write(3, "1000", 4) = 4 [pid 6844] close(3) = 0 [pid 6844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6844] write(1, "executing program\n", 18executing program ) = 18 [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6844] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6844] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6845 attached [pid 6845] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6844] <... clone3 resumed> => {parent_tid=[6845]}, 88) = 6845 [pid 6845] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6844] rt_sigprocmask(SIG_SETMASK, [], [pid 6845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] <... futex resumed>) = 0 [pid 6845] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... openat resumed>) = 3 [pid 6845] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6844] <... futex resumed>) = 0 [pid 6845] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6844] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6844] <... futex resumed>) = 0 [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6845] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6845] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6844] <... futex resumed>) = 0 [pid 6845] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6844] <... futex resumed>) = 0 [pid 6845] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] <... futex resumed>) = 0 [pid 6844] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6844] <... futex resumed>) = 0 [pid 6844] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6844] exit_group(0) = ? [pid 6845] <... io_uring_enter resumed>) = ? [pid 6845] +++ exited with 0 +++ [pid 6844] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6844, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./147/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./147") = 0 [pid 5865] mkdir("./148", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6846 attached , child_tidptr=0x55558acd6690) = 6846 [pid 6846] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6846] chdir("./148") = 0 [pid 6846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6846] setpgid(0, 0) = 0 [pid 6846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6846] write(3, "1000", 4) = 4 [pid 6846] close(3) = 0 [pid 6846] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6846] write(1, "executing program\n", 18) = 18 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6846] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6846] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6847]}, 88) = 6847 [pid 6846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6846] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6847 attached [pid 6847] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6847] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6847] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6847] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = 0 [pid 6846] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6847] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6847] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6847] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6847] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = 0 [pid 6846] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... futex resumed>) = 0 [pid 6847] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = 0 [pid 6846] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6847] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6847] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6846] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6846] exit_group(0) = ? [pid 6847] <... io_uring_enter resumed>) = ? [pid 6847] +++ exited with 0 +++ [pid 6846] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6846, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./148/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./148") = 0 [pid 5865] mkdir("./149", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6848 attached [pid 6848] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6848] chdir("./149") = 0 [pid 6848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6848] setpgid(0, 0) = 0 [pid 6848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6848 [pid 6848] <... openat resumed>) = 3 [pid 6848] write(3, "1000", 4) = 4 [pid 6848] close(3) = 0 [pid 6848] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6848] write(1, "executing program\n", 18) = 18 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6848] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6848] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6848] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6849]}, 88) = 6849 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6848] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6849 attached [pid 6849] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6849] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6849] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6849] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6848] <... futex resumed>) = 0 [pid 6849] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6848] <... futex resumed>) = 0 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6849] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6849] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6848] <... futex resumed>) = 0 [pid 6849] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6849] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6849] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6849] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6848] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6848] exit_group(0) = ? [pid 6849] <... io_uring_enter resumed>) = ? [pid 6849] +++ exited with 0 +++ [pid 6848] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6848, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./149/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./149") = 0 [pid 5865] mkdir("./150", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6850 attached [pid 6850] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6850] chdir("./150") = 0 [pid 6850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6850] setpgid(0, 0) = 0 [pid 6850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6850 [pid 6850] <... openat resumed>) = 3 [pid 6850] write(3, "1000", 4) = 4 [pid 6850] close(3) = 0 [pid 6850] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6850] write(1, "executing program\n", 18) = 18 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6850] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6850] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6851 attached [pid 6851] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6850] <... clone3 resumed> => {parent_tid=[6851]}, 88) = 6851 [pid 6851] <... rseq resumed>) = 0 [pid 6850] rt_sigprocmask(SIG_SETMASK, [], [pid 6851] set_robust_list(0x7f44f9fde9a0, 24 [pid 6850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... set_robust_list resumed>) = 0 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6850] <... futex resumed>) = 0 [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6851] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6851] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6850] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6850] <... futex resumed>) = 0 [pid 6851] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6851] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6850] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6850] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... futex resumed>) = 0 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] <... futex resumed>) = 0 [pid 6851] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] <... futex resumed>) = 0 [pid 6851] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6850] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6851] <... io_uring_enter resumed>) = 4096 [pid 6851] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6850] exit_group(0 [pid 6851] <... futex resumed>) = ? [pid 6850] <... exit_group resumed>) = ? [pid 6851] +++ exited with 0 +++ [pid 6850] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6850, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5865] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./150/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./150") = 0 [pid 5865] mkdir("./151", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6852 attached , child_tidptr=0x55558acd6690) = 6852 [pid 6852] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6852] chdir("./151") = 0 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6852] setpgid(0, 0) = 0 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6852] write(3, "1000", 4) = 4 [pid 6852] close(3) = 0 [pid 6852] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6852] write(1, "executing program\n", 18) = 18 [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6852] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6852] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6853]}, 88) = 6853 ./strace-static-x86_64: Process 6853 attached [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6853] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6853] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6853] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6853] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6853] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6853] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6853] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 1 [pid 6852] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6853] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6853] <... futex resumed>) = 0 [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6852] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6852] <... futex resumed>) = 0 [pid 6852] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6852] exit_group(0) = ? [pid 6853] <... io_uring_enter resumed>) = ? [pid 6853] +++ exited with 0 +++ [pid 6852] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./151/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./151") = 0 [pid 5865] mkdir("./152", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558acd6690) = 6854 ./strace-static-x86_64: Process 6854 attached [pid 6854] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6854] chdir("./152") = 0 [pid 6854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6854] setpgid(0, 0) = 0 [pid 6854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6854] write(3, "1000", 4) = 4 [pid 6854] close(3executing program ) = 0 [pid 6854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6854] write(1, "executing program\n", 18) = 18 [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6854] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6854] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6855 attached => {parent_tid=[6855]}, 88) = 6855 [pid 6855] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6855] <... rseq resumed>) = 0 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] set_robust_list(0x7f44f9fde9a0, 24 [pid 6854] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6854] <... futex resumed>) = 0 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6855] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = 0 [pid 6855] <... futex resumed>) = 1 [pid 6854] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6854] <... futex resumed>) = 0 [pid 6855] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6855] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6855] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = 0 [pid 6855] <... futex resumed>) = 1 [pid 6854] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = 0 [pid 6855] <... futex resumed>) = 0 [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 1 [pid 6855] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] <... futex resumed>) = 0 [pid 6855] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6854] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6854] exit_group(0) = ? [pid 6855] <... io_uring_enter resumed>) = ? [pid 6855] +++ exited with 0 +++ [pid 6854] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6854, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./152/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./152") = 0 [pid 5865] mkdir("./153", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6856 attached , child_tidptr=0x55558acd6690) = 6856 [pid 6856] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6856] chdir("./153") = 0 [pid 6856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6856] setpgid(0, 0) = 0 [pid 6856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6856] write(3, "1000", 4) = 4 [pid 6856] close(3) = 0 [pid 6856] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6856] write(1, "executing program\n", 18) = 18 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6856] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6856] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6857]}, 88) = 6857 [pid 6856] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6857 attached NULL, 8) = 0 [pid 6856] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053) = 0 [pid 6857] set_robust_list(0x7f44f9fde9a0, 24) = 0 [pid 6857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6857] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6857] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6856] <... futex resumed>) = 0 [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6857] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6857] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6857] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6857] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] <... futex resumed>) = 0 [pid 6856] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6857] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] <... futex resumed>) = 0 [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6856] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6857] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] <... futex resumed>) = 1 [pid 6857] <... futex resumed>) = 0 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6856] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6857] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6856] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6857] <... io_uring_enter resumed>) = 4096 [pid 6857] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] exit_group(0) = ? [pid 6857] <... futex resumed>) = ? [pid 6857] +++ exited with 0 +++ [pid 6856] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6856, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./153/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./153") = 0 [pid 5865] mkdir("./154", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6858 attached , child_tidptr=0x55558acd6690) = 6858 [pid 6858] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6858] chdir("./154") = 0 [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6858] setpgid(0, 0) = 0 [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6858] write(3, "1000", 4) = 4 [pid 6858] close(3) = 0 [pid 6858] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6858] write(1, "executing program\n", 18) = 18 [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6858] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6858] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0}./strace-static-x86_64: Process 6859 attached [pid 6859] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6858] <... clone3 resumed> => {parent_tid=[6859]}, 88) = 6859 [pid 6859] <... rseq resumed>) = 0 [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6859] set_robust_list(0x7f44f9fde9a0, 24 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6858] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] rt_sigprocmask(SIG_SETMASK, [], [pid 6858] <... futex resumed>) = 0 [pid 6859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 3 [pid 6859] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6859] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6858] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6858] <... futex resumed>) = 0 [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0) = 0x7f44f9f99000 [pid 6859] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 4, 0x10000000) = 0x7f44f9f59000 [pid 6859] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6859] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 0 [pid 6859] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 1 [pid 6859] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6859] io_uring_enter(4, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6858] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6858] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6859] <... io_uring_enter resumed>) = 4096 [pid 6858] exit_group(0) = ? [pid 6859] +++ exited with 0 +++ [pid 6858] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6858, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 3 entries */, 32768) = 80 [pid 5865] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./154/binderfs") = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./154") = 0 [pid 5865] mkdir("./155", 0777) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6860 attached [pid 6860] set_robust_list(0x55558acd66a0, 24) = 0 [pid 6860] chdir("./155") = 0 [pid 6860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6860] setpgid(0, 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558acd6690) = 6860 [pid 6860] <... setpgid resumed>) = 0 [pid 6860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6860] write(3, "1000", 4) = 4 [pid 6860] close(3) = 0 [pid 6860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6860] write(1, "executing program\n", 18executing program ) = 18 [pid 6860] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6860] rt_sigaction(SIGRT_1, {sa_handler=0x7f44fa04f070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f44fa0401f0}, NULL, 8) = 0 [pid 6860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9fbe000 [pid 6860] mprotect(0x7f44f9fbf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fde990, parent_tid=0x7f44f9fde990, exit_signal=0, stack=0x7f44f9fbe000, stack_size=0x20300, tls=0x7f44f9fde6c0} => {parent_tid=[6861]}, 88) = 6861 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6860] futex(0x7f44fa0b03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6860] futex(0x7f44fa0b03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6861 attached ) = -1 ETIMEDOUT (Connection timed out) [pid 6860] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f44f9f9d000 [pid 6860] mprotect(0x7f44f9f9e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6861] rseq(0x7f44f9fdefe0, 0x20, 0, 0x53053053 [pid 6860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f44f9fbd990, parent_tid=0x7f44f9fbd990, exit_signal=0, stack=0x7f44f9f9d000, stack_size=0x20300, tls=0x7f44f9fbd6c0}./strace-static-x86_64: Process 6862 attached [pid 6862] rseq(0x7f44f9fbdfe0, 0x20, 0, 0x53053053) = 0 [pid 6862] set_robust_list(0x7f44f9fbd9a0, 24 [pid 6860] <... clone3 resumed> => {parent_tid=[6862]}, 88) = 6862 [pid 6862] <... set_robust_list resumed>) = 0 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], [pid 6862] rt_sigprocmask(SIG_SETMASK, [], [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] io_uring_setup(3036, {flags=0, sq_thread_cpu=0x1, sq_thread_idle=1073742643 [pid 6860] <... futex resumed>) = 0 [pid 6860] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6862] <... io_uring_setup resumed>, sq_entries=4096, cq_entries=8192, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x3e000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=131136}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 6861] <... rseq resumed>) = 0 [pid 6861] set_robust_list(0x7f44f9fde9a0, 24 [pid 6862] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0 [pid 6861] <... set_robust_list resumed>) = 0 [pid 6862] <... mmap resumed>) = 0x7f44f9f78000 [pid 6861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6862] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f44f9f38000 [pid 6861] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6862] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6862] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = 0 [pid 6860] <... futex resumed>) = 0 [pid 6862] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6860] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = 0 [pid 6860] <... futex resumed>) = 1 [pid 6862] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6862] <... futex resumed>) = 0 [pid 6861] <... openat resumed>) = 4 [pid 6860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6861] futex(0x7f44fa0b03ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7f44fa0b03f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6861] <... futex resumed>) = 0 [pid 6860] <... futex resumed>) = 0 [pid 6861] futex(0x7f44fa0b03e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] io_uring_enter(3, 542650, 1948, IORING_ENTER_SQ_WAKEUP|IORING_ENTER_SQ_WAIT|IORING_ENTER_EXT_ARG, NULL, 0 [pid 6860] futex(0x7f44fa0b03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6862] <... io_uring_enter resumed>) = 4096 [pid 6862] futex(0x7f44fa0b03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6862] futex(0x7f44fa0b03f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] exit_group(0 [pid 6861] <... futex resumed>) = ? [pid 6860] <... exit_group resumed>) = ? [pid 6862] <... futex resumed>) = ? [pid 6861] +++ exited with 0 +++ [pid 5865] kill(-6860, SIGKILL) = 0 [pid 5865] kill(6860, SIGKILL) = 0 [pid 5865] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x55558acd7730 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(3, 0x55558acd7730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [ 286.345655][ T31] INFO: task syz-executor257:6406 blocked for more than 143 seconds. [ 286.383576][ T31] Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 [ 286.400990][ T31] Blocked by coredump. [ 286.436891][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.493818][ T31] task:syz-executor257 state:D stack:28016 pid:6406 tgid:6403 ppid:5864 task_flags:0x400548 flags:0x00024002 [ 286.507816][ T31] Call Trace: [ 286.511107][ T31] [ 286.515840][ T31] __schedule+0x1798/0x4cc0 [ 286.540737][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 286.590926][ T31] ? is_bpf_text_address+0x26/0x2b0 [ 286.619282][ T31] ? kernel_text_address+0xa5/0xe0 [ 286.647778][ T31] ? __kernel_text_address+0xd/0x40 [ 286.653011][ T31] ? __pfx___schedule+0x10/0x10 [ 286.711209][ T31] ? schedule+0x91/0x360 [ 286.735412][ T31] ? rcu_is_watching+0x15/0xb0 [ 286.740211][ T31] ? lock_release+0x4b/0x3e0 [ 286.788313][ T31] schedule+0x165/0x360 [ 286.792515][ T31] schedule_timeout+0x9a/0x270 [ 286.802721][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 286.831715][ T31] ? rcu_is_watching+0x15/0xb0 [ 286.862712][ T31] ? rcu_is_watching+0x15/0xb0 [ 286.893707][ T31] ? wait_for_completion+0x267/0x5d0 [ 286.919492][ T31] wait_for_completion+0x2bf/0x5d0 [ 286.945487][ T31] ? __pfx_wait_for_completion+0x10/0x10 [ 286.951150][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.010846][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 287.017693][ T31] ? lock_release+0x4b/0x3e0 [ 287.032744][ T31] ? io_acct_for_each_worker+0x15e/0x180 [ 287.048689][ T31] ? __pfx_io_wq_worker_wake+0x10/0x10 [ 287.079688][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 287.113959][ T31] io_wq_put_and_exit+0x316/0x650 [ 287.119021][ T31] io_uring_clean_tctx+0x11f/0x1a0 [ 287.170142][ T31] ? __pfx_io_uring_clean_tctx+0x10/0x10 [ 287.201800][ T31] ? io_uring_drop_tctx_refs+0x131/0x1c0 [ 287.234678][ T31] io_uring_cancel_generic+0x6ca/0x7d0 [ 287.242408][ T31] ? ptrace_notify+0x22d/0x2c0 [ 287.265676][ T31] ? __pfx_io_uring_cancel_generic+0x10/0x10 [ 287.296671][ T31] ? __pfx_ptrace_notify+0x10/0x10 [ 287.327744][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.358665][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.383915][ T31] ? io_uring_unreg_ringfd+0x52f/0x540 [ 287.393344][ T31] do_exit+0x345/0x2300 [ 287.417882][ T31] ? do_raw_spin_lock+0x121/0x290 [ 287.422925][ T31] ? __pfx_do_exit+0x10/0x10 [ 287.480880][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.509288][ T31] do_group_exit+0x21c/0x2d0 [ 287.539675][ T31] get_signal+0x1286/0x1340 [ 287.567318][ T31] arch_do_signal_or_restart+0x9a/0x750 [ 287.572893][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.637060][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 287.643268][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.697411][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.702215][ T31] exit_to_user_mode_loop+0x75/0x110 [ 287.764028][ T31] do_syscall_64+0x2bd/0x3b0 [ 287.768658][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.833970][ T31] ? clear_bhb_loop+0x60/0xb0 [ 287.838684][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.902971][ T31] RIP: 0033:0x7f44fa028c09 [ 287.932575][ T31] RSP: 002b:00007f44f9fde218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 287.988468][ T31] RAX: ffffffffffffffda RBX: 00007f44fa0b03e8 RCX: 00007f44fa028c09 [ 288.043534][ T31] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f44fa0b03ec [ 288.051876][ T31] RBP: 00007f44fa0b03e0 R08: 0000000000000000 R09: 0000000000000000 [ 288.094804][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44fa07d074 [ 288.102808][ T31] R13: 0000000000000016 R14: 0000200000000200 R15: 00007ffcf7a48f08 [ 288.182256][ T31] [ 288.212529][ T31] INFO: task syz-executor257:6458 blocked for more than 145 seconds. [ 288.222753][ T31] Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 [ 288.284160][ T31] Blocked by coredump. [ 288.288770][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 288.357347][ T31] task:syz-executor257 state:D stack:25384 pid:6458 tgid:6456 ppid:5863 task_flags:0x400548 flags:0x00024002 [ 288.383316][ T31] Call Trace: [ 288.428371][ T31] [ 288.431330][ T31] __schedule+0x1798/0x4cc0 [ 288.460856][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 288.505775][ T31] ? is_bpf_text_address+0x26/0x2b0 [ 288.511016][ T31] ? kernel_text_address+0xa5/0xe0 [ 288.524848][ T31] ? __kernel_text_address+0xd/0x40 [ 288.549411][ T31] ? __pfx___schedule+0x10/0x10 [ 288.577149][ T31] ? schedule+0x91/0x360 [ 288.581428][ T31] ? rcu_is_watching+0x15/0xb0 [ 288.591541][ T31] ? lock_release+0x4b/0x3e0 [ 288.621467][ T31] schedule+0x165/0x360 [ 288.664970][ T31] schedule_timeout+0x9a/0x270 [ 288.669776][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 288.682522][ T31] ? rcu_is_watching+0x15/0xb0 [ 288.714512][ T31] ? rcu_is_watching+0x15/0xb0 [ 288.744516][ T31] ? wait_for_completion+0x267/0x5d0 [ 288.775515][ T31] wait_for_completion+0x2bf/0x5d0 [ 288.806514][ T31] ? __pfx_wait_for_completion+0x10/0x10 [ 288.839481][ T31] ? rcu_is_watching+0x15/0xb0 [ 288.868507][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 288.902866][ T31] ? lock_release+0x4b/0x3e0 [ 288.917468][ T31] ? io_acct_for_each_worker+0x15e/0x180 [ 288.929946][ T31] ? __pfx_io_wq_worker_wake+0x10/0x10 [ 288.962524][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 288.987523][ T31] io_wq_put_and_exit+0x316/0x650 [ 288.992616][ T31] io_uring_clean_tctx+0x11f/0x1a0 [ 289.018509][ T31] ? __pfx_io_uring_clean_tctx+0x10/0x10 [ 289.030500][ T31] ? io_uring_drop_tctx_refs+0x131/0x1c0 [ 289.060192][ T31] io_uring_cancel_generic+0x6ca/0x7d0 [ 289.081490][ T31] ? ptrace_notify+0x22d/0x2c0 [ 289.092488][ T31] ? __pfx_io_uring_cancel_generic+0x10/0x10 [ 289.137446][ T31] ? __pfx_ptrace_notify+0x10/0x10 [ 289.142580][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 289.185483][ T31] ? rcu_is_watching+0x15/0xb0 [ 289.199789][ T31] ? io_uring_unreg_ringfd+0x52f/0x540 [ 289.247486][ T31] do_exit+0x345/0x2300 [ 289.276001][ T31] ? do_raw_spin_lock+0x121/0x290 [ 289.281067][ T31] ? __pfx_do_exit+0x10/0x10 [ 289.306547][ T31] ? rcu_is_watching+0x15/0xb0 [ 289.322327][ T31] do_group_exit+0x21c/0x2d0 [ 289.348409][ T31] get_signal+0x1286/0x1340 [ 289.352972][ T31] arch_do_signal_or_restart+0x9a/0x750 [ 289.383467][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 289.402233][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 289.457770][ T31] ? rcu_is_watching+0x15/0xb0 [ 289.462575][ T31] ? rcu_is_watching+0x15/0xb0 [ 289.510556][ T31] exit_to_user_mode_loop+0x75/0x110 [ 289.540398][ T31] do_syscall_64+0x2bd/0x3b0 [ 289.566463][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.572574][ T31] ? clear_bhb_loop+0x60/0xb0 [ 289.625885][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.631817][ T31] RIP: 0033:0x7f44fa028c09 [ 289.682411][ T31] RSP: 002b:00007f44f9fbd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 289.709485][ T31] RAX: fffffffffffffe00 RBX: 00007f44fa0b03f8 RCX: 00007f44fa028c09 [ 289.762208][ T31] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f44fa0b03f8 [ 289.784197][ T31] RBP: 00007f44fa0b03f0 R08: 0000000000000000 R09: 0000000000000000 [ 289.811530][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44fa07d074 [ 289.929690][ T31] R13: 0000000000000003 R14: 0000200000000200 R15: 0000200000000640 [ 289.978393][ T31] [ 290.000372][ T31] INFO: task syz-executor257:6696 blocked for more than 147 seconds. [ 290.055933][ T31] Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 [ 290.063067][ T31] Blocked by coredump. [ 290.070670][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 290.104627][ T31] task:syz-executor257 state:D stack:26344 pid:6696 tgid:6694 ppid:5867 task_flags:0x400548 flags:0x00024002 [ 290.166529][ T31] Call Trace: [ 290.169835][ T31] [ 290.172765][ T31] __schedule+0x1798/0x4cc0 [ 290.225009][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 290.230341][ T31] ? is_bpf_text_address+0x26/0x2b0 [ 290.286579][ T31] ? kernel_text_address+0xa5/0xe0 [ 290.291737][ T31] ? __kernel_text_address+0xd/0x40 [ 290.383192][ T31] ? __pfx___schedule+0x10/0x10 [ 290.408361][ T31] ? schedule+0x91/0x360 [ 290.439378][ T31] ? rcu_is_watching+0x15/0xb0 [ 290.470841][ T31] ? lock_release+0x4b/0x3e0 [ 290.486434][ T31] schedule+0x165/0x360 [ 290.490628][ T31] schedule_timeout+0x9a/0x270 [ 290.506430][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 290.583962][ T31] ? rcu_is_watching+0x15/0xb0 [ 290.589428][ T31] ? rcu_is_watching+0x15/0xb0 [ 290.615877][ T31] ? wait_for_completion+0x267/0x5d0 [ 290.621197][ T31] wait_for_completion+0x2bf/0x5d0 [ 290.635330][ T31] ? __pfx_wait_for_completion+0x10/0x10 [ 290.654340][ T31] ? rcu_is_watching+0x15/0xb0 [ 290.663111][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 290.711962][ T31] ? lock_release+0x4b/0x3e0 [ 290.737903][ T31] ? io_acct_for_each_worker+0x15e/0x180 [ 290.768791][ T31] ? __pfx_io_wq_worker_wake+0x10/0x10 [ 290.800389][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 290.828633][ T31] io_wq_put_and_exit+0x316/0x650 [ 290.883539][ T31] io_uring_clean_tctx+0x11f/0x1a0 [ 290.889059][ T31] ? __pfx_io_uring_clean_tctx+0x10/0x10 [ 290.921018][ T31] ? io_uring_drop_tctx_refs+0x131/0x1c0 [ 290.952953][ T31] io_uring_cancel_generic+0x6ca/0x7d0 [ 290.983980][ T31] ? ptrace_notify+0x22d/0x2c0 [ 290.988776][ T31] ? __pfx_io_uring_cancel_generic+0x10/0x10 [ 291.044082][ T31] ? __pfx_ptrace_notify+0x10/0x10 [ 291.049246][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 291.106494][ T31] ? rcu_is_watching+0x15/0xb0 [ 291.111303][ T31] ? io_uring_unreg_ringfd+0x52f/0x540 [ 291.172185][ T31] do_exit+0x345/0x2300 [ 291.203064][ T31] ? do_raw_spin_lock+0x121/0x290 [ 291.231532][ T31] ? __pfx_do_exit+0x10/0x10 [ 291.257666][ T31] ? rcu_is_watching+0x15/0xb0 [ 291.262463][ T31] do_group_exit+0x21c/0x2d0 [ 291.310471][ T31] get_signal+0x1286/0x1340 [ 291.340283][ T31] arch_do_signal_or_restart+0x9a/0x750 [ 291.377062][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.382312][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 291.442569][ T31] ? rcu_is_watching+0x15/0xb0 [ 291.474580][ T31] ? rcu_is_watching+0x15/0xb0 [ 291.479377][ T31] exit_to_user_mode_loop+0x75/0x110 [ 291.563535][ T31] do_syscall_64+0x2bd/0x3b0 [ 291.568171][ T31] ? rcu_is_watching+0x15/0xb0 [ 291.572950][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.582803][ T31] ? clear_bhb_loop+0x60/0xb0 [ 291.597469][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.610638][ T31] RIP: 0033:0x7f44fa028c09 [ 291.628457][ T31] RSP: 002b:00007f44f9fde218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 291.659454][ T31] RAX: fffffffffffffe00 RBX: 00007f44fa0b03e8 RCX: 00007f44fa028c09 [ 291.682210][ T31] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f44fa0b03e8 [ 291.720218][ T31] RBP: 00007f44fa0b03e0 R08: 0000000000000000 R09: 0000000000000000 [ 291.751217][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44fa07d074 [ 291.782215][ T31] R13: 0000000000000016 R14: 0000200000000200 R15: 00007ffcf7a48f08 [ 291.839904][ T31] [ 291.857725][ T31] INFO: task syz-executor257:6729 blocked for more than 148 seconds. [ 291.904949][ T31] Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 [ 291.912086][ T31] Blocked by coredump. [ 291.969284][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.017328][ T31] task:syz-executor257 state:D stack:25384 pid:6729 tgid:6727 ppid:5866 task_flags:0x400548 flags:0x00024002 [ 292.082470][ T31] Call Trace: [ 292.101090][ T31] [ 292.117832][ T31] __schedule+0x1798/0x4cc0 [ 292.122373][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 292.174261][ T31] ? is_bpf_text_address+0x26/0x2b0 [ 292.179505][ T31] ? kernel_text_address+0xa5/0xe0 [ 292.231650][ T31] ? __kernel_text_address+0xd/0x40 [ 292.261193][ T31] ? __pfx___schedule+0x10/0x10 [ 292.288921][ T31] ? schedule+0x91/0x360 [ 292.293205][ T31] ? rcu_is_watching+0x15/0xb0 [ 292.339547][ T31] ? lock_release+0x4b/0x3e0 [ 292.369829][ T31] schedule+0x165/0x360 [ 292.383569][ T31] schedule_timeout+0x9a/0x270 [ 292.395243][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 292.401024][ T31] ? rcu_is_watching+0x15/0xb0 [ 292.431038][ T31] ? rcu_is_watching+0x15/0xb0 [ 292.442972][ T31] ? wait_for_completion+0x267/0x5d0 [ 292.482734][ T31] wait_for_completion+0x2bf/0x5d0 [ 292.511910][ T31] ? __pfx_wait_for_completion+0x10/0x10 [ 292.530177][ T31] ? rcu_is_watching+0x15/0xb0 [ 292.554913][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 292.591972][ T31] ? lock_release+0x4b/0x3e0 [ 292.623088][ T31] ? io_acct_for_each_worker+0x15e/0x180 [ 292.660200][ T31] ? __pfx_io_wq_worker_wake+0x10/0x10 [ 292.690924][ T31] ? io_wq_put_and_exit+0x160/0x650 [ 292.720621][ T31] io_wq_put_and_exit+0x316/0x650 [ 292.750126][ T31] io_uring_clean_tctx+0x11f/0x1a0 [ 292.780763][ T31] ? __pfx_io_uring_clean_tctx+0x10/0x10 [ 292.812496][ T31] ? io_uring_drop_tctx_refs+0x131/0x1c0 [ 292.823104][ T31] io_uring_cancel_generic+0x6ca/0x7d0 [ 292.859126][ T31] ? ptrace_notify+0x22d/0x2c0 [ 292.870202][ T31] ? __pfx_io_uring_cancel_generic+0x10/0x10 [ 292.890110][ T31] ? __pfx_ptrace_notify+0x10/0x10 [ 292.912944][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 292.952106][ T31] ? rcu_is_watching+0x15/0xb0 [ 292.983098][ T31] ? io_uring_unreg_ringfd+0x52f/0x540 [ 293.014099][ T31] do_exit+0x345/0x2300 [ 293.018604][ T31] ? do_raw_spin_lock+0x121/0x290 [ 293.065654][ T31] ? __pfx_do_exit+0x10/0x10 [ 293.070289][ T31] ? rcu_is_watching+0x15/0xb0 [ 293.080090][ T31] do_group_exit+0x21c/0x2d0 [ 293.109818][ T31] get_signal+0x1286/0x1340 [ 293.138091][ T31] arch_do_signal_or_restart+0x9a/0x750 [ 293.152540][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 293.196084][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 293.224343][ T31] ? rcu_is_watching+0x15/0xb0 [ 293.260853][ T31] ? rcu_is_watching+0x15/0xb0 [ 293.291832][ T31] exit_to_user_mode_loop+0x75/0x110 [ 293.324102][ T31] do_syscall_64+0x2bd/0x3b0 [ 293.328729][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.355068][ T31] ? __switch_to_asm+0x39/0x70 [ 293.378594][ T31] ? clear_bhb_loop+0x60/0xb0 [ 293.383281][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.413195][ T31] RIP: 0033:0x7f44fa028c09 [ 293.439917][ T31] RSP: 002b:00007f44f9fbd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 293.453277][ T31] RAX: fffffffffffffe00 RBX: 00007f44fa0b03f8 RCX: 00007f44fa028c09 [ 293.516048][ T31] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f44fa0b03f8 [ 293.567862][ T31] RBP: 00007f44fa0b03f0 R08: 0000000000000000 R09: 0000000000000000 [ 293.590036][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44fa07d074 [ 293.658210][ T31] R13: 0000000000000003 R14: 0000200000000200 R15: 0000200000000640 [ 293.713880][ T31] [ 293.717685][ T31] INFO: lockdep is turned off. [ 293.722465][ T31] NMI backtrace for cpu 1 [ 293.722483][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) [ 293.722502][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.722512][ T31] Call Trace: [ 293.722522][ T31] [ 293.722530][ T31] dump_stack_lvl+0x189/0x250 [ 293.722555][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 293.722574][ T31] ? __pfx__printk+0x10/0x10 [ 293.722599][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 293.722623][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 293.722644][ T31] ? __pfx__printk+0x10/0x10 [ 293.722665][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 293.722690][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 293.722711][ T31] watchdog+0xf60/0xfa0 [ 293.722734][ T31] ? watchdog+0x1e2/0xfa0 [ 293.722756][ T31] kthread+0x711/0x8a0 [ 293.722776][ T31] ? __pfx_watchdog+0x10/0x10 [ 293.722796][ T31] ? __pfx_kthread+0x10/0x10 [ 293.722815][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 293.722837][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 293.722851][ T31] ? __pfx_kthread+0x10/0x10 [ 293.722870][ T31] ret_from_fork+0x3f9/0x770 [ 293.722887][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 293.722905][ T31] ? __switch_to_asm+0x39/0x70 [ 293.722924][ T31] ? __switch_to_asm+0x33/0x70 [ 293.722943][ T31] ? __pfx_kthread+0x10/0x10 [ 293.722961][ T31] ret_from_fork_asm+0x1a/0x30 [ 293.722992][ T31] [ 293.722998][ T31] Sending NMI from CPU 1 to CPUs 0: [ 293.869765][ C0] NMI backtrace for cpu 0 [ 293.869780][ C0] CPU: 0 UID: 0 PID: 6411 Comm: iou-wrk-6406 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) [ 293.869798][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.869806][ C0] RIP: 0010:preempt_count_sub+0x0/0x170 [ 293.869832][ C0] Code: c7 c7 74 e2 a3 8f e8 df 26 93 00 e9 5c ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 53 48 bb 00 00 00 00 00 fc ff df 48 c7 c0 20 63 ac [ 293.869843][ C0] RSP: 0018:ffffc9000480f428 EFLAGS: 00000286 [ 293.869857][ C0] RAX: b3cc9954f5fdde00 RBX: ffffc9000480f628 RCX: b3cc9954f5fdde00 [ 293.869867][ C0] RDX: 0000000000000000 RSI: ffffffff8be34be0 RDI: 0000000000000001 [ 293.869877][ C0] RBP: ffffc9000480f570 R08: ffffffff8fa3b137 R09: 1ffffffff1f47626 [ 293.869887][ C0] R10: dffffc0000000000 R11: fffffbfff1f47627 R12: 0000000000000000 [ 293.869897][ C0] R13: ffffc9000480f620 R14: 1ffff92000901eb4 R15: 1ffff92000901e98 [ 293.869908][ C0] FS: 00007f44f9fde6c0(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000 [ 293.869920][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.869929][ C0] CR2: 0000200000197000 CR3: 000000005092e000 CR4: 00000000003526f0 [ 293.869942][ C0] Call Trace: [ 293.869949][ C0] [ 293.869955][ C0] _raw_spin_unlock_irq+0x2e/0x50 [ 293.869977][ C0] wait_for_completion+0x4bb/0x5d0 [ 293.869990][ C0] ? __pfx___rdmsr_safe_on_cpu+0x10/0x10 [ 293.870007][ C0] ? __pfx___rdmsr_safe_on_cpu+0x10/0x10 [ 293.870022][ C0] ? __pfx_generic_exec_single+0x10/0x10 [ 293.870036][ C0] ? lock_release+0x4b/0x3e0 [ 293.870055][ C0] ? __pfx_wait_for_completion+0x10/0x10 [ 293.870068][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 293.870083][ C0] ? smp_call_function_single_async+0xaa/0x110 [ 293.870098][ C0] rdmsr_safe_on_cpu+0x150/0x230 [ 293.870114][ C0] ? __pfx_rdmsr_safe_on_cpu+0x10/0x10 [ 293.870129][ C0] ? __pfx___rdmsr_safe_on_cpu+0x10/0x10 [ 293.870145][ C0] ? lock_acquire+0x5f/0x360 [ 293.870165][ C0] ? __might_fault+0xcc/0x130 [ 293.870184][ C0] msr_read+0x14d/0x250 [ 293.870202][ C0] ? __pfx_msr_read+0x10/0x10 [ 293.870217][ C0] ? rcu_is_watching+0x15/0xb0 [ 293.870230][ C0] ? sched_mm_cid_remote_clear+0x134/0x4d0 [ 293.870253][ C0] ? lock_release+0x4b/0x3e0 [ 293.870271][ C0] loop_rw_iter+0x425/0x660 [ 293.870293][ C0] __io_read+0x1326/0x14f0 [ 293.870312][ C0] ? task_mm_cid_work+0x6c9/0x760 [ 293.870325][ C0] ? __pfx___might_resched+0x10/0x10 [ 293.870339][ C0] ? __pfx_task_mm_cid_work+0x10/0x10 [ 293.870354][ C0] ? __pfx___io_read+0x10/0x10 [ 293.870373][ C0] io_read+0x1c/0x60 [ 293.870388][ C0] __io_issue_sqe+0x17e/0x4b0 [ 293.870406][ C0] io_issue_sqe+0x165/0xfd0 [ 293.870422][ C0] ? rcu_is_watching+0x15/0xb0 [ 293.870436][ C0] io_wq_submit_work+0x6e9/0xb90 [ 293.870453][ C0] io_worker_handle_work+0x7cd/0x1180 [ 293.870477][ C0] io_wq_worker+0x42f/0xeb0 [ 293.870498][ C0] ? io_wq_worker+0x351/0xeb0 [ 293.870514][ C0] ? __pfx_io_wq_worker+0x10/0x10 [ 293.870533][ C0] ? rcu_is_watching+0x15/0xb0 [ 293.870547][ C0] ? rcu_is_watching+0x15/0xb0 [ 293.870560][ C0] ? __pfx_io_wq_worker+0x10/0x10 [ 293.870575][ C0] ret_from_fork+0x3f9/0x770 [ 293.870591][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 293.870606][ C0] ? __switch_to_asm+0x39/0x70 [ 293.870622][ C0] ? __switch_to_asm+0x33/0x70 [ 293.870636][ C0] ? __pfx_io_wq_worker+0x10/0x10 [ 293.870653][ C0] ret_from_fork_asm+0x1a/0x30 [ 293.870674][ C0] [ 294.214663][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 294.221517][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) [ 294.232792][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.242843][ T31] Call Trace: [ 294.246123][ T31] [ 294.249050][ T31] dump_stack_lvl+0x99/0x250 [ 294.253639][ T31] ? __asan_memcpy+0x40/0x70 [ 294.258225][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 294.263416][ T31] ? __pfx__printk+0x10/0x10 [ 294.268011][ T31] vpanic+0x281/0x750 [ 294.271988][ T31] ? __pfx_vpanic+0x10/0x10 [ 294.276490][ T31] ? rcu_is_watching+0x15/0xb0 [ 294.281246][ T31] ? preempt_schedule+0xae/0xc0 [ 294.286095][ T31] ? preempt_schedule_common+0x83/0xd0 [ 294.291556][ T31] panic+0xb9/0xc0 [ 294.295273][ T31] ? __pfx_panic+0x10/0x10 [ 294.299684][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 294.305053][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 294.311206][ T31] watchdog+0xf9f/0xfa0 [ 294.315362][ T31] ? watchdog+0x1e2/0xfa0 [ 294.319694][ T31] kthread+0x711/0x8a0 [ 294.323763][ T31] ? __pfx_watchdog+0x10/0x10 [ 294.328437][ T31] ? __pfx_kthread+0x10/0x10 [ 294.333112][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 294.338338][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.343528][ T31] ? __pfx_kthread+0x10/0x10 [ 294.348116][ T31] ret_from_fork+0x3f9/0x770 [ 294.352702][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 294.357806][ T31] ? __switch_to_asm+0x39/0x70 [ 294.362570][ T31] ? __switch_to_asm+0x33/0x70 [ 294.367335][ T31] ? __pfx_kthread+0x10/0x10 [ 294.371920][ T31] ret_from_fork_asm+0x1a/0x30 [ 294.376780][ T31] [ 294.380073][ T31] Kernel Offset: disabled [ 294.384387][ T31] Rebooting in 86400 seconds..