./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor216672218 <...> Warning: Permanently added '10.128.1.108' (ED25519) to the list of known hosts. execve("./syz-executor216672218", ["./syz-executor216672218"], 0x7ffc63952410 /* 10 vars */) = 0 brk(NULL) = 0x5555832d2000 brk(0x5555832d2d40) = 0x5555832d2d40 arch_prctl(ARCH_SET_FS, 0x5555832d23c0) = 0 set_tid_address(0x5555832d2690) = 5828 set_robust_list(0x5555832d26a0, 24) = 0 rseq(0x5555832d2ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor216672218", 4096) = 27 getrandom("\xab\x66\xf4\x2e\x42\xda\x96\x6f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555832d2d40 brk(0x5555832f3d40) = 0x5555832f3d40 brk(0x5555832f4000) = 0x5555832f4000 mprotect(0x7f3f9c348000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x5555832d26a0, 24 [pid 5828] <... clone resumed>, child_tidptr=0x5555832d2690) = 5829 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] mkdir("./syzkaller.MHliND", 0700./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x5555832d26a0, 24 [pid 5828] <... clone resumed>, child_tidptr=0x5555832d2690) = 5830 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syzkaller.K1LslP", 0700 [pid 5829] chmod("./syzkaller.MHliND", 0777 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... chmod resumed>) = 0 [pid 5829] chdir("./syzkaller.MHliND"./strace-static-x86_64: Process 5831 attached [pid 5830] <... mkdir resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x5555832d2690) = 5831 [pid 5831] set_robust_list(0x5555832d26a0, 24 [pid 5830] chmod("./syzkaller.K1LslP", 0777 [pid 5829] <... chdir resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 [pid 5829] mkdir("./0", 0777./strace-static-x86_64: Process 5832 attached [pid 5832] set_robust_list(0x5555832d26a0, 24 [pid 5828] <... clone resumed>, child_tidptr=0x5555832d2690) = 5832 [pid 5831] mkdir("./syzkaller.hFwxlM", 0700 [pid 5830] chdir("./syzkaller.K1LslP" [pid 5829] <... mkdir resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... set_robust_list resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5830] mkdir("./0", 0777 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] mkdir("./syzkaller.ItdN8b", 0700 [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x5555832d2690) = 5833 [pid 5833] set_robust_list(0x5555832d26a0, 24 [pid 5831] chmod("./syzkaller.hFwxlM", 0777 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] chmod("./syzkaller.ItdN8b", 0777 [pid 5831] <... chmod resumed>) = 0 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5832] <... chmod resumed>) = 0 [pid 5831] chdir("./syzkaller.hFwxlM" [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] mkdir("./syzkaller.AuZDR0", 0700 [pid 5831] <... chdir resumed>) = 0 [pid 5832] chdir("./syzkaller.ItdN8b" [pid 5831] mkdir("./0", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5832] mkdir("./0", 0777 [pid 5833] chmod("./syzkaller.AuZDR0", 0777) = 0 [pid 5833] chdir("./syzkaller.AuZDR0") = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5835 attached [pid 5833] mkdir("./0", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5835] set_robust_list(0x5555832d26a0, 24 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5835] <... set_robust_list resumed>) = 0 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5835] chdir("./0" [pid 5832] close(3 [pid 5835] <... chdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5835] <... prctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] setpgid(0, 0 [pid 5836] set_robust_list(0x5555832d26a0, 24 [pid 5835] <... setpgid resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5836] chdir("./0" [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5836 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5835] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] write(3, "1000", 4 [pid 5836] setpgid(0, 0) = 0 [pid 5835] <... write resumed>) = 4 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] close(3) = 0 [pid 5837] set_robust_list(0x5555832d26a0, 24 [pid 5836] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5835 [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5836] write(3, "1000", 4 [pid 5831] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5837 [pid 5837] chdir("./0" [pid 5836] <... write resumed>) = 4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5836] close(3 [pid 5835] <... symlink resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... close resumed>) = 0 [pid 5835] write(1, "executing program\n", 18 [pid 5837] <... prctl resumed>) = 0 [pid 5836] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 5837] setpgid(0, 0 [pid 5833] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... symlink resumed>) = 0 [pid 5837] <... setpgid resumed>) = 0 [pid 5836] write(1, "executing program\n", 18 [pid 5835] <... write resumed>) = 18 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... write resumed>) = 18 [pid 5835] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5836] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] set_robust_list(0x5555832d26a0, 24 [pid 5836] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5835] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5839 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5838 [pid 5838] chdir("./0" [pid 5837] write(3, "1000", 4 [pid 5836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] set_robust_list(0x5555832d26a0, 24 [pid 5838] <... chdir resumed>) = 0 [pid 5837] <... write resumed>) = 4 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] close(3 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5839] chdir("./0" [pid 5838] <... prctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5839] <... chdir resumed>) = 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5835] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5838] setpgid(0, 0 [pid 5837] <... symlink resumed>) = 0 [pid 5838] <... setpgid resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] write(1, "executing program\n", 18 [pid 5835] <... mprotect resumed>) = 0 [pid 5839] setpgid(0, 0 [pid 5838] <... openat resumed>) = 3 executing program [pid 5839] <... setpgid resumed>) = 0 [pid 5838] write(3, "1000", 4 [pid 5837] <... write resumed>) = 18 [pid 5836] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... write resumed>) = 4 [pid 5837] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] close(3 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... mprotect resumed>) = 0 [pid 5835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5838] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5840 attached [pid 5839] <... openat resumed>) = 3 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... symlink resumed>) = 0 [pid 5837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5835] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5840] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 5839] write(3, "1000", 4 [pid 5838] write(1, "executing program\n", 18executing program [pid 5837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5839] <... write resumed>) = 4 [pid 5838] <... write resumed>) = 18 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] close(3 [pid 5838] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5842 attached [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... close resumed>) = 0 [pid 5835] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... futex resumed>) = 0 [pid 5837] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5835] <... futex resumed>) = 0 [pid 5842] <... rseq resumed>) = 0 [pid 5840] memfd_create("syzkaller", 0 [pid 5839] <... symlink resumed>) = 0 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5837] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5836] <... clone3 resumed> => {parent_tid=[5842]}, 88) = 5842 [pid 5835] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5842] set_robust_list(0x7f3f9c27c9a0, 24executing program [pid 5840] <... memfd_create resumed>) = 3 [pid 5839] write(1, "executing program\n", 18 [pid 5838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] <... mprotect resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... set_robust_list resumed>) = 0 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] <... write resumed>) = 18 [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... mmap resumed>) = 0x7f3f93e00000 [pid 5839] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5842] memfd_create("syzkaller", 0 [pid 5839] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] <... futex resumed>) = 0 [pid 5842] <... memfd_create resumed>) = 3 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... mmap resumed>) = 0x7f3f93e00000 [pid 5839] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5843 attached [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5838] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 [pid 5839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... mprotect resumed>) = 0 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5843] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5844 attached ) = 0 [pid 5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5843] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5839] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5837] <... futex resumed>) = 0 [pid 5844] <... rseq resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5840] <... write resumed>) = 524288 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5845 attached [pid 5844] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] munmap(0x7f3f93e00000, 138412032 [pid 5838] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5845] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... munmap resumed>) = 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... rseq resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] memfd_create("syzkaller", 0 [pid 5839] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... memfd_create resumed>) = 3 [pid 5839] <... futex resumed>) = 0 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] memfd_create("syzkaller", 0 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... memfd_create resumed>) = 3 [pid 5843] <... mmap resumed>) = 0x7f3f93e00000 [pid 5840] <... openat resumed>) = 4 [pid 5838] <... futex resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... write resumed>) = 524288 [pid 5838] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] memfd_create("syzkaller", 0 [pid 5844] <... mmap resumed>) = 0x7f3f93e00000 [pid 5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5842] munmap(0x7f3f93e00000, 138412032 [pid 5840] ioctl(4, LOOP_SET_FD, 3 [pid 5845] <... memfd_create resumed>) = 3 [pid 5842] <... munmap resumed>) = 0 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5843] <... write resumed>) = 524288 [pid 5842] <... ioctl resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5843] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] close(3 [pid 5840] close(3 [pid 5843] <... openat resumed>) = 4 [pid 5842] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5844] <... write resumed>) = 524288 [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5842] close(4 [pid 5840] close(4 [pid 5845] <... write resumed>) = 524288 [pid 5844] munmap(0x7f3f93e00000, 138412032 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5843] close(3 [pid 5845] munmap(0x7f3f93e00000, 138412032 [pid 5844] <... munmap resumed>) = 0 [pid 5842] mkdir("./file0", 0777 [pid 5840] mkdir("./file0", 0777 [pid 5845] <... munmap resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5843] close(4 [pid 5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... close resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 63.901420][ T5840] loop0: detected capacity change from 0 to 1024 [ 63.903833][ T5842] loop3: detected capacity change from 0 to 1024 [ 63.923391][ T5843] loop1: detected capacity change from 0 to 1024 [ 63.945461][ T5845] loop2: detected capacity change from 0 to 1024 [pid 5843] mkdir("./file0", 0777 [pid 5845] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... openat resumed>) = 4 [pid 5842] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5840] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5845] <... ioctl resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5844] ioctl(4, LOOP_SET_FD, 3 [pid 5845] close(3 [pid 5844] <... ioctl resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5845] close(4) = 0 [pid 5845] mkdir("./file0", 0777) = 0 [pid 5845] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5844] close(3) = 0 [pid 5844] close(4) = 0 [pid 5844] mkdir("./file0", 0777 [pid 5843] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5844] <... mkdir resumed>) = 0 [pid 5844] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5843] <... openat resumed>) = 3 [pid 5840] <... mount resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5843] chdir("./file0" [pid 5840] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5843] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... openat resumed>) = 3 [pid 5840] chdir("./file0" [pid 5842] chdir("./file0" [pid 5843] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] <... chdir resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 1 [pid 5840] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5843] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5840] <... futex resumed>) = 1 [pid 5837] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 0 [pid 5840] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... openat resumed>) = 4 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5840] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5837] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... futex resumed>) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5840] <... openat resumed>) = 4 [ 63.966269][ T5844] loop4: detected capacity change from 0 to 1024 [pid 5835] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... mount resumed>) = 0 [pid 5842] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5843] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 1 [pid 5840] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] chdir("./file0" [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] ftruncate(4, 33554441 [pid 5845] <... mount resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] ftruncate(4, 33554441 [pid 5842] ftruncate(4, 33554441 [pid 5837] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5844] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... openat resumed>) = 3 [pid 5844] <... futex resumed>) = 1 [pid 5845] chdir("./file0" [pid 5844] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... chdir resumed>) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 [pid 5839] <... futex resumed>) = 1 [pid 5844] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5839] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5844] <... openat resumed>) = 4 [pid 5845] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5845] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 1 [pid 5844] ftruncate(4, 33554441 [pid 5839] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5845] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... futex resumed>) = 0 [pid 5838] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... futex resumed>) = 0 [pid 5845] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5838] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... openat resumed>) = 4 [pid 5842] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5837] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5845] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... futex resumed>) = 0 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5835] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5837] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5836] <... mprotect resumed>) = 0 [pid 5837] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5835] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5837] <... mprotect resumed>) = 0 [pid 5835] <... mprotect resumed>) = 0 [pid 5837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5845] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5847 attached [pid 5842] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5848 attached [pid 5847] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5845] ftruncate(4, 33554441 [pid 5838] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5835] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5848] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5847] <... rseq resumed>) = 0 [pid 5848] <... rseq resumed>) = 0 [pid 5847] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5849 attached NULL, 8) = 0 [pid 5848] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5835] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... futex resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5837] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5837] <... futex resumed>) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... rseq resumed>) = 0 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5837] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5849] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5849] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5848] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5836] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... unlinkat resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5849] <... futex resumed>) = 0 [pid 5840] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... futex resumed>) = 0 [pid 5840] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5843] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] exit_group(0 [pid 5849] <... futex resumed>) = ? [pid 5848] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... unlinkat resumed>) = 0 [pid 5842] <... futex resumed>) = ? [pid 5839] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... exit_group resumed>) = ? [pid 5849] +++ exited with 0 +++ [pid 5848] <... futex resumed>) = 1 [pid 5847] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] +++ exited with 0 +++ [pid 5835] <... futex resumed>) = 0 [pid 5836] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5835] exit_group(0 [pid 5848] exit_group(0 [pid 5847] <... futex resumed>) = 1 [pid 5839] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5835] <... exit_group resumed>) = ? [pid 5848] <... exit_group resumed>) = ? [pid 5848] +++ exited with 0 +++ [pid 5847] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... futex resumed>) = 0 [pid 5837] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... futex resumed>) = ? [pid 5840] <... futex resumed>) = ? [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... exit_group resumed>) = ? [pid 5847] +++ exited with 0 +++ [pid 5840] +++ exited with 0 +++ [pid 5839] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5835] +++ exited with 0 +++ [pid 5843] <... futex resumed>) = ? [pid 5844] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5839] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5843] +++ exited with 0 +++ [pid 5837] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... mprotect resumed>) = 0 [pid 5844] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... futex resumed>) = 0 [pid 5839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5850 attached [pid 5845] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5850] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5845] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5850] <... rseq resumed>) = 0 [pid 5845] <... futex resumed>) = 1 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... futex resumed>) = 0 [pid 5850] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5845] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5839] <... futex resumed>) = 0 [pid 5838] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... unlinkat resumed>) = 0 [pid 5839] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5845] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... futex resumed>) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5845] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] exit_group(0 [pid 5845] <... futex resumed>) = ? [pid 5838] <... exit_group resumed>) = ? [pid 5850] <... unlinkat resumed>) = 0 [pid 5845] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5850] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] +++ exited with 0 +++ [pid 5832] newfstatat(3, "", [pid 5830] newfstatat(3, "", [pid 5829] newfstatat(3, "", [pid 5850] <... futex resumed>) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] exit_group(0 [pid 5832] getdents64(3, [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5850] <... futex resumed>) = ? [pid 5844] <... futex resumed>) = ? [pid 5839] <... exit_group resumed>) = ? [pid 5830] getdents64(3, [pid 5829] getdents64(3, [pid 5850] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5839] +++ exited with 0 +++ [pid 5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] unlink("./0/binderfs" [pid 5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./0/binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./0/binderfs" [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 5833] unlink("./0/binderfs") = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/binderfs") = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/file0", [pid 5831] newfstatat(AT_FDCWD, "./0/file0", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./0/file0", [pid 5833] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] newfstatat(AT_FDCWD, "./0/file0", [pid 5831] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./0/file0", [pid 5833] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(4, "", [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 5830] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5832] close(4 [pid 5830] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] rmdir("./0/file0" [pid 5833] getdents64(4, [pid 5832] rmdir("./0/file0" [pid 5831] getdents64(4, [pid 5829] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [ 64.169890][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 64.183000][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 64.189508][ T35] hfsplus: b-tree write err: -5, ino 4 [ 64.196186][ T11] hfsplus: b-tree write err: -5, ino 4 [ 64.200090][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5833] close(4 [pid 5831] close(4 [pid 5829] newfstatat(4, "", [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rmdir("./0/file0" [pid 5831] rmdir("./0/file0" [pid 5829] getdents64(4, [pid 5832] getdents64(3, [pid 5830] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] close(3 [pid 5830] close(3 [pid 5829] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5832] rmdir("./0" [pid 5831] getdents64(3, [pid 5830] rmdir("./0" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(4 [pid 5833] close(3 [pid 5832] mkdir("./1", 0777 [pid 5831] close(3 [pid 5833] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] rmdir("./0" [pid 5831] <... close resumed>) = 0 [pid 5829] rmdir("./0/file0" [pid 5832] <... mkdir resumed>) = 0 [pid 5830] mkdir("./1", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] rmdir("./0" [pid 5830] <... mkdir resumed>) = 0 [pid 5833] mkdir("./1", 0777 [pid 5829] getdents64(3, [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5829] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] rmdir("./0" [pid 5833] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] mkdir("./1", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] mkdir("./1", 0777 [pid 5830] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5851] chdir("./1" [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5851 [pid 5851] <... chdir resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5852 attached [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5852] set_robust_list(0x5555832d26a0, 24 [pid 5851] write(3, "1000", 4 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5852 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... write resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5853 [pid 5853] set_robust_list(0x5555832d26a0, 24 [pid 5852] chdir("./1" [pid 5851] close(3 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... chdir resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5854] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5854] chdir("./1" [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5854 [pid 5854] <... chdir resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached [pid 5853] chdir("./1" [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5853] <... chdir resumed>) = 0 [pid 5852] <... prctl resumed>) = 0 [pid 5854] <... setpgid resumed>) = 0 [pid 5855] set_robust_list(0x5555832d26a0, 24 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5851] <... symlink resumed>) = 0 [pid 5855] chdir("./1" [pid 5854] write(3, "1000", 4 [pid 5852] setpgid(0, 0 [pid 5855] <... chdir resumed>) = 0 [pid 5854] <... write resumed>) = 4 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... setpgid resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5855 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] close(3 [pid 5853] <... prctl resumed>) = 0 [pid 5855] <... prctl resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] setpgid(0, 0 [pid 5853] <... setpgid resumed>) = 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5854] <... symlink resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] <... openat resumed>) = 3 [pid 5851] write(1, "executing program\n", 18 [pid 5855] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5852] write(3, "1000", 4 [pid 5851] <... write resumed>) = 18 [pid 5855] write(3, "1000", 4executing program [pid 5854] write(1, "executing program\n", 18 [pid 5853] write(3, "1000", 4 [pid 5852] <... write resumed>) = 4 [pid 5851] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... write resumed>) = 4 [pid 5854] <... write resumed>) = 18 [pid 5853] <... write resumed>) = 4 [pid 5852] close(3 [pid 5851] <... futex resumed>) = 0 [pid 5855] close(3 [pid 5854] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] close(3 [pid 5852] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5851] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5851] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... symlink resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5853] <... symlink resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... symlink resumed>) = 0 executing program [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] write(1, "executing program\n", 18executing program executing program [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] write(1, "executing program\n", 18 [pid 5852] write(1, "executing program\n", 18 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] <... write resumed>) = 18 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... write resumed>) = 18 [pid 5852] <... write resumed>) = 18 [pid 5851] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5855] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... futex resumed>) = 0 [pid 5854] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... mprotect resumed>) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5854] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] <... mprotect resumed>) = 0 [pid 5853] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5853] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5856 attached [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5857 attached [pid 5855] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5855] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5855] <... mprotect resumed>) = 0 [pid 5857] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... rseq resumed>) = 0 [pid 5857] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5854] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5852] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5851] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 [pid 5856] <... rseq resumed>) = 0 [pid 5857] memfd_create("syzkaller", 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5854] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5852] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5851] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5858 attached [pid 5857] <... memfd_create resumed>) = 3 [pid 5858] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5858] <... rseq resumed>) = 0 [pid 5857] <... mmap resumed>) = 0x7f3f93e00000 [pid 5858] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5856] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5852] <... mprotect resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5851] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5851] <... futex resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... mprotect resumed>) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5851] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] memfd_create("syzkaller", 0 [pid 5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5856] memfd_create("syzkaller", 0 [pid 5855] <... futex resumed>) = 0 [pid 5853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5858] <... memfd_create resumed>) = 3 [pid 5856] <... memfd_create resumed>) = 3 [pid 5853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5859 attached [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5859] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5858] <... mmap resumed>) = 0x7f3f93e00000 [pid 5856] <... mmap resumed>) = 0x7f3f93e00000 [pid 5853] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5860] <... rseq resumed>) = 0 [pid 5859] <... rseq resumed>) = 0 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5852] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5860] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5853] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5853] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] <... set_robust_list resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5860] memfd_create("syzkaller", 0 [pid 5859] memfd_create("syzkaller", 0 [pid 5852] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] <... memfd_create resumed>) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5859] <... memfd_create resumed>) = 3 [pid 5857] <... write resumed>) = 524288 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... write resumed>) = 524288 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5859] <... mmap resumed>) = 0x7f3f93e00000 [pid 5857] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5860] <... write resumed>) = 524288 [pid 5856] <... write resumed>) = 524288 [pid 5858] munmap(0x7f3f93e00000, 138412032 [pid 5859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5858] <... munmap resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5857] <... ioctl resumed>) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5857] close(3 [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... close resumed>) = 0 [pid 5857] close(4 [pid 5856] munmap(0x7f3f93e00000, 138412032 [pid 5857] <... close resumed>) = 0 [pid 5857] mkdir("./file0", 0777) = 0 [pid 5857] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5860] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5859] <... write resumed>) = 524288 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... munmap resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5859] munmap(0x7f3f93e00000, 138412032 [pid 5856] <... openat resumed>) = 4 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5858] close(3 [pid 5857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5858] close(4 [pid 5857] chdir("./file0" [pid 5858] <... close resumed>) = 0 [pid 5857] <... chdir resumed>) = 0 [pid 5859] <... munmap resumed>) = 0 [pid 5858] mkdir("./file0", 0777 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5859] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5858] <... mkdir resumed>) = 0 [pid 5857] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5857] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... openat resumed>) = 4 [pid 5856] <... ioctl resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5856] close(3 [pid 5860] <... ioctl resumed>) = 0 [pid 5858] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5854] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] close(3 [pid 5857] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5860] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5854] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] close(4 [pid 5857] <... openat resumed>) = 4 [pid 5860] <... close resumed>) = 0 [pid 5857] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] mkdir("./file0", 0777 [pid 5857] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5860] <... mkdir resumed>) = 0 [pid 5857] ftruncate(4, 33554441 [pid 5854] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5859] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... close resumed>) = 0 [ 64.385990][ T5857] loop0: detected capacity change from 0 to 1024 [ 64.400801][ T5858] loop2: detected capacity change from 0 to 1024 [ 64.416673][ T5860] loop3: detected capacity change from 0 to 1024 [ 64.425705][ T5856] loop4: detected capacity change from 0 to 1024 [pid 5856] close(4) = 0 [pid 5858] <... mount resumed>) = 0 [pid 5856] mkdir("./file0", 0777 [pid 5858] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5856] <... mkdir resumed>) = 0 [pid 5856] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5858] <... openat resumed>) = 3 [pid 5860] <... mount resumed>) = 0 [pid 5858] chdir("./file0" [pid 5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] <... chdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... openat resumed>) = 3 [pid 5860] chdir("./file0") = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] <... futex resumed>) = 0 [pid 5860] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5859] <... ioctl resumed>) = 0 [pid 5855] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(3) = 0 [pid 5860] <... futex resumed>) = 1 [pid 5860] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... futex resumed>) = 1 [pid 5855] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5858] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5852] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(4 [pid 5858] ftruncate(4, 33554441 [pid 5855] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... mprotect resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 64.461732][ T5859] loop1: detected capacity change from 0 to 1024 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5863 attached [pid 5860] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5860] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5854] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5860] <... openat resumed>) = 4 [pid 5859] mkdir("./file0", 0777 [pid 5856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5859] <... mkdir resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5856] chdir("./file0" [pid 5863] <... rseq resumed>) = 0 [pid 5860] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... chdir resumed>) = 0 [pid 5854] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5860] <... futex resumed>) = 1 [pid 5856] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5852] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5856] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... futex resumed>) = 0 [pid 5851] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5856] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5860] ftruncate(4, 33554441 [pid 5856] <... openat resumed>) = 4 [pid 5854] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... unlinkat resumed>) = 0 [pid 5855] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5863] <... futex resumed>) = 1 [pid 5855] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... futex resumed>) = 0 [pid 5851] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... mprotect resumed>) = 0 [pid 5859] <... mount resumed>) = 0 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5851] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... openat resumed>) = 3 [pid 5856] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5856] ftruncate(4, 33554441 [pid 5859] chdir("./file0" [pid 5851] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] <... chdir resumed>) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5859] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5864 attached [pid 5859] <... futex resumed>) = 1 [pid 5857] <... futex resumed>) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5859] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] <... futex resumed>) = 0 [pid 5859] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5852] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5853] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5859] <... openat resumed>) = 4 [pid 5857] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... rseq resumed>) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5854] exit_group(0 [pid 5859] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... mprotect resumed>) = 0 [pid 5864] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5863] <... futex resumed>) = ? [pid 5859] <... futex resumed>) = 1 [pid 5857] <... futex resumed>) = ? [pid 5855] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... exit_group resumed>) = ? [pid 5853] <... futex resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] +++ exited with 0 +++ [pid 5857] +++ exited with 0 +++ [pid 5853] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] ftruncate(4, 33554441 [pid 5858] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5854] +++ exited with 0 +++ [pid 5853] <... futex resumed>) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5864] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5858] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5864] <... unlinkat resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5858] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5865 attached [pid 5864] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... restart_syscall resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5864] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] exit_group(0 [pid 5864] <... futex resumed>) = ? [pid 5858] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5829] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5865] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5860] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5865] <... rseq resumed>) = 0 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5831] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5852] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5829] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... unlinkat resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./1/binderfs" [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5829] <... unlink resumed>) = 0 [pid 5851] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/binderfs" [pid 5865] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... mprotect resumed>) = 0 [pid 5865] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... unlink resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5865] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5866 attached ) = 0 [pid 5856] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5860] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5859] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5856] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] exit_group(0 [pid 5851] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5866] <... rseq resumed>) = 0 [pid 5859] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5852] <... exit_group resumed>) = ? [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5859] <... futex resumed>) = 0 [pid 5856] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5859] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5853] <... futex resumed>) = 0 [pid 5851] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... futex resumed>) = ? [pid 5860] <... futex resumed>) = ? [pid 5859] <... unlinkat resumed>) = 0 [pid 5853] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... futex resumed>) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] +++ exited with 0 +++ [pid 5851] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5860] +++ exited with 0 +++ [pid 5859] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... futex resumed>) = 0 [pid 5853] exit_group(0) = ? [pid 5859] <... futex resumed>) = ? [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./1/binderfs") = 0 [pid 5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5851] exit_group(0) = ? [pid 5856] <... futex resumed>) = ? [pid 5866] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5851] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5859] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [ 64.654750][ T35] hfsplus: b-tree write err: -5, ino 4 [ 64.673284][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5831] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] newfstatat(4, "", [pid 5833] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", [pid 5833] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5831] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] unlink("./1/binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(3, [pid 5829] newfstatat(4, "", [pid 5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5832] newfstatat(4, "", [pid 5831] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5829] getdents64(4, [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] close(4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./1/file0") = 0 [pid 5832] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(4 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./1/file0" [pid 5832] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] unlink("./1/binderfs" [pid 5829] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] rmdir("./1" [pid 5830] <... unlink resumed>) = 0 [pid 5829] rmdir("./1/file0" [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(3 [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 5831] rmdir("./1") = 0 [ 64.699895][ T11] hfsplus: b-tree write err: -5, ino 4 [ 64.723812][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5831] mkdir("./2", 0777 [pid 5833] newfstatat(AT_FDCWD, "./1/file0", [pid 5832] mkdir("./2", 0777 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] close(3 [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] newfstatat(4, "", [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] rmdir("./1" [pid 5833] getdents64(4, [pid 5832] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./2", 0777 [pid 5830] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] close(4 [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] rmdir("./1/file0" [pid 5830] getdents64(4, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... ioctl resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] close(3 [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(4 [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./1/file0" [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] rmdir("./1" [pid 5830] getdents64(3, ./strace-static-x86_64: Process 5867 attached [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] mkdir("./2", 0777 [pid 5830] close(3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5867 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 ./strace-static-x86_64: Process 5868 attached [pid 5830] rmdir("./1") = 0 [ 64.750100][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5868] set_robust_list(0x5555832d26a0, 24 [pid 5867] set_robust_list(0x5555832d26a0, 24 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] mkdir("./2", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] chdir("./2") = 0 ./strace-static-x86_64: Process 5869 attached [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5869 [pid 5869] set_robust_list(0x5555832d26a0, 24 [pid 5867] <... prctl resumed>) = 0 [pid 5867] setpgid(0, 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5867] <... setpgid resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5869] chdir("./2" [pid 5868] chdir("./2" [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5868 [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5868] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 3 [pid 5869] <... chdir resumed>) = 0 [pid 5868] <... prctl resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] setpgid(0, 0 [pid 5867] <... openat resumed>) = 3 [pid 5830] <... ioctl resumed>) = 0 [pid 5869] <... prctl resumed>) = 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5830] close(3 [pid 5869] setpgid(0, 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] write(3, "1000", 4 [pid 5869] <... setpgid resumed>) = 0 [pid 5867] <... write resumed>) = 4 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] close(3 [pid 5830] <... close resumed>) = 0 [pid 5868] <... openat resumed>) = 3 [pid 5868] write(3, "1000", 4 [pid 5867] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached [pid 5869] <... openat resumed>) = 3 [pid 5868] <... write resumed>) = 4 [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5868] close(3 [pid 5867] <... symlink resumed>) = 0 [pid 5868] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5870 [pid 5870] set_robust_list(0x5555832d26a0, 24 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5870] <... set_robust_list resumed>) = 0 [pid 5868] write(1, "executing program\n", 18 [pid 5870] chdir("./2" [pid 5868] <... write resumed>) = 18 [pid 5868] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... chdir resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5867] write(1, "executing program\n", 18 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] write(3, "1000", 4 [pid 5868] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5870] <... prctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5871 attached [pid 5870] setpgid(0, 0 [pid 5869] <... write resumed>) = 4 [pid 5868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... write resumed>) = 18 [pid 5870] <... setpgid resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5869] close(3 [pid 5867] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... close resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5871] set_robust_list(0x5555832d26a0, 24 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] <... openat resumed>) = 3 [pid 5869] <... symlink resumed>) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] chdir("./2" [pid 5870] write(3, "1000", 4 [pid 5869] write(1, "executing program\n", 18 [pid 5868] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5871 [pid 5871] <... chdir resumed>) = 0 [pid 5870] <... write resumed>) = 4 [pid 5869] <... write resumed>) = 18 [pid 5868] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] close(3 [pid 5869] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... mprotect resumed>) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] <... prctl resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5867] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5870] <... symlink resumed>) = 0 [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5871] setpgid(0, 0 [pid 5869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... mprotect resumed>) = 0 [pid 5871] <... setpgid resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5870] write(1, "executing program\n", 18 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5872 attached [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... write resumed>) = 18 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5871] <... openat resumed>) = 3 [pid 5870] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5871] write(3, "1000", 4 [pid 5870] <... futex resumed>) = 0 [pid 5868] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5872] <... rseq resumed>) = 0 [pid 5871] <... write resumed>) = 4 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5869] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5872] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5871] close(3 [pid 5870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5869] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5873 attached [pid 5872] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5869] <... mprotect resumed>) = 0 [pid 5868] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] <... close resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] <... futex resumed>) = 0 [pid 5867] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873 [pid 5873] <... rseq resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5872] memfd_create("syzkaller", 0 [pid 5871] <... symlink resumed>) = 0 [pid 5870] <... mmap resumed>) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... memfd_create resumed>) = 3 [pid 5871] write(1, "executing program\n", 18 [pid 5870] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5867] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5870] <... mprotect resumed>) = 0 executing program [pid 5874] <... rseq resumed>) = 0 [pid 5872] <... mmap resumed>) = 0x7f3f93e00000 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... futex resumed>) = 0 [pid 5874] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5871] <... write resumed>) = 18 [pid 5869] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5867] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5871] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... set_robust_list resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... futex resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5875 attached [pid 5874] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5869] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5875] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5874] memfd_create("syzkaller", 0 [pid 5873] memfd_create("syzkaller", 0 [pid 5871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... futex resumed>) = 0 [pid 5875] <... rseq resumed>) = 0 [pid 5874] <... memfd_create resumed>) = 3 [pid 5873] <... memfd_create resumed>) = 3 [pid 5872] <... write resumed>) = 524288 [pid 5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5875] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5871] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] <... mmap resumed>) = 0x7f3f93e00000 [pid 5871] <... mprotect resumed>) = 0 [pid 5870] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] <... mmap resumed>) = 0x7f3f93e00000 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] <... futex resumed>) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5875] memfd_create("syzkaller", 0) = 3 [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5876 attached [pid 5876] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5871] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5871] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... rseq resumed>) = 0 [pid 5872] munmap(0x7f3f93e00000, 138412032 [pid 5871] <... futex resumed>) = 0 [pid 5872] <... munmap resumed>) = 0 [pid 5874] <... write resumed>) = 524288 [pid 5871] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5872] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5876] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5872] <... openat resumed>) = 4 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5872] ioctl(4, LOOP_SET_FD, 3 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5874] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5874] ioctl(4, LOOP_SET_FD, 3 [pid 5876] memfd_create("syzkaller", 0 [pid 5873] <... write resumed>) = 524288 [pid 5876] <... memfd_create resumed>) = 3 [pid 5875] <... write resumed>) = 524288 [pid 5873] munmap(0x7f3f93e00000, 138412032 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] <... munmap resumed>) = 0 [pid 5875] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5873] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5872] <... ioctl resumed>) = 0 [pid 5873] <... openat resumed>) = 4 [pid 5872] close(3) = 0 [pid 5872] close(4) = 0 [pid 5874] <... ioctl resumed>) = 0 [pid 5872] mkdir("./file0", 0777 [pid 5874] close(3 [pid 5873] ioctl(4, LOOP_SET_FD, 3 [pid 5872] <... mkdir resumed>) = 0 [ 64.918868][ T5872] loop2: detected capacity change from 0 to 1024 [ 64.932474][ T5874] loop0: detected capacity change from 0 to 1024 [ 64.953686][ T5875] loop4: detected capacity change from 0 to 1024 [pid 5874] <... close resumed>) = 0 [pid 5872] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5874] close(4 [pid 5873] <... ioctl resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5874] mkdir("./file0", 0777) = 0 [pid 5874] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5875] <... ioctl resumed>) = 0 [pid 5875] close(3) = 0 [pid 5875] close(4) = 0 [pid 5875] mkdir("./file0", 0777) = 0 [pid 5875] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5876] <... write resumed>) = 524288 [pid 5873] close(3 [pid 5876] munmap(0x7f3f93e00000, 138412032 [pid 5873] <... close resumed>) = 0 [pid 5876] <... munmap resumed>) = 0 [pid 5873] close(4) = 0 [pid 5873] mkdir("./file0", 0777 [pid 5876] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5873] <... mkdir resumed>) = 0 [ 64.964305][ T5873] loop3: detected capacity change from 0 to 1024 [pid 5876] <... openat resumed>) = 4 [pid 5873] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5876] ioctl(4, LOOP_SET_FD, 3 [pid 5872] <... mount resumed>) = 0 [pid 5872] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5872] chdir("./file0" [pid 5875] <... mount resumed>) = 0 [pid 5872] <... chdir resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5874] <... mount resumed>) = 0 [pid 5872] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5872] <... futex resumed>) = 1 [pid 5875] <... openat resumed>) = 3 [pid 5874] <... openat resumed>) = 3 [pid 5873] <... mount resumed>) = 0 [pid 5872] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] chdir("./file0" [pid 5874] chdir("./file0" [pid 5875] <... chdir resumed>) = 0 [pid 5874] <... chdir resumed>) = 0 [pid 5876] <... ioctl resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5868] <... futex resumed>) = 0 [pid 5873] <... openat resumed>) = 3 [pid 5868] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5873] chdir("./file0" [pid 5872] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5876] close(3 [pid 5875] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5874] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... chdir resumed>) = 0 [pid 5872] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5868] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... close resumed>) = 0 [pid 5875] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 1 [pid 5873] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5872] <... openat resumed>) = 4 [pid 5869] <... futex resumed>) = 0 [pid 5876] close(4 [pid 5875] <... futex resumed>) = 1 [pid 5873] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5874] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5869] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... close resumed>) = 0 [pid 5875] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... openat resumed>) = 4 [pid 5873] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 1 [pid 5870] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5876] mkdir("./file0", 0777 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = 1 [pid 5872] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 0 [pid 5876] <... mkdir resumed>) = 0 [pid 5875] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = 0 [pid 5876] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5875] <... openat resumed>) = 4 [pid 5874] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] ftruncate(4, 33554441 [pid 5869] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 0 [pid 5875] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... futex resumed>) = 0 [pid 5868] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... mount resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5874] ftruncate(4, 33554441 [pid 5873] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5875] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... openat resumed>) = 4 [pid 5870] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... openat resumed>) = 3 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] chdir("./file0" [pid 5875] ftruncate(4, 33554441 [pid 5876] <... chdir resumed>) = 0 [ 65.008373][ T5876] loop1: detected capacity change from 0 to 1024 [pid 5876] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5876] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5871] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5871] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5873] ftruncate(4, 33554441 [pid 5867] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5871] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5871] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = 1 [pid 5876] ftruncate(4, 33554441 [pid 5869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5869] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5869] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5877 attached [pid 5870] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... futex resumed>) = 0 [pid 5877] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5877] <... rseq resumed>) = 0 [pid 5868] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5868] <... futex resumed>) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5877] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5873] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5872] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5870] <... mprotect resumed>) = 0 [pid 5869] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5868] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] <... mprotect resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5877] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5878 attached [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5878] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5867] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5879 attached [pid 5878] <... rseq resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5873] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5879] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5878] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5877] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5874] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5873] <... futex resumed>) = 0 [pid 5872] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] <... rseq resumed>) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5879] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5871] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5869] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5872] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... unlinkat resumed>) = 0 [pid 5875] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5873] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... mprotect resumed>) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5877] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5874] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... unlinkat resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5876] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5869] <... futex resumed>) = 0 [pid 5868] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... mprotect resumed>) = 0 [pid 5879] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5877] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... futex resumed>) = 0 [pid 5874] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] exit_group(0 [pid 5868] <... futex resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5879] <... unlinkat resumed>) = 0 [pid 5878] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = ? [pid 5876] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = ? [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5869] <... exit_group resumed>) = ? [pid 5868] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5879] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 1 [pid 5877] +++ exited with 0 +++ [pid 5875] <... futex resumed>) = 0 [pid 5874] +++ exited with 0 +++ [pid 5870] <... futex resumed>) = 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5880 attached ./strace-static-x86_64: Process 5881 attached [pid 5879] <... futex resumed>) = 0 [pid 5869] +++ exited with 0 +++ [pid 5870] exit_group(0 [pid 5868] exit_group(0 [pid 5871] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5875] syscall_0x16f8(0, 0xe7, 0x3c, 0x7ffd648f5be0, 0xffffffffffffffb0, 0 [pid 5878] syscall_0x16f8(0, 0xe7, 0x3c, 0x7ffd648f5be0, 0xffffffffffffffb0, 0 [pid 5881] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5880] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5878] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5872] <... futex resumed>) = ? [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... exit_group resumed>) = ? [pid 5868] <... exit_group resumed>) = ? [pid 5867] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5881] <... rseq resumed>) = 0 [pid 5880] <... rseq resumed>) = 0 [pid 5879] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5881] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5880] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5871] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5867] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... futex resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5867] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] <... unlinkat resumed>) = 0 [pid 5881] <... unlinkat resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = 3 [pid 5881] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5881] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] exit_group(0 [pid 5867] exit_group(0 [pid 5881] <... futex resumed>) = ? [pid 5880] <... futex resumed>) = ? [pid 5876] <... futex resumed>) = ? [pid 5873] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5867] <... exit_group resumed>) = ? [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5876] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5833] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5829] getdents64(3, [pid 5833] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5833] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5831] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5829] unlink("./2/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5833] unlink("./2/binderfs" [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5830] newfstatat(3, "", [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5831] unlink("./2/binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5831] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./2/binderfs") = 0 [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./2/binderfs") = 0 [ 65.216658][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 65.224387][ T11] hfsplus: b-tree write err: -5, ino 4 [ 65.225110][ T35] hfsplus: b-tree write err: -5, ino 4 [ 65.235917][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5832] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./2/file0", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./2/file0", [pid 5829] newfstatat(AT_FDCWD, "./2/file0", [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./2/file0", [pid 5832] newfstatat(AT_FDCWD, "./2/file0", [pid 5831] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5830] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5829] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(4, "", [pid 5832] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5832] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5829] newfstatat(4, "", [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 5831] getdents64(4, [pid 5830] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] getdents64(4, [pid 5830] rmdir("./2/file0" [pid 5833] rmdir("./2/file0" [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] close(4 [pid 5831] close(4 [pid 5830] getdents64(3, [pid 5829] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./2/file0" [pid 5831] rmdir("./2/file0" [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, [pid 5832] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] close(4 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./2" [pid 5829] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] rmdir("./2/file0" [pid 5833] close(3 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] mkdir("./3", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] rmdir("./2") = 0 [ 65.258879][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5832] rmdir("./2" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] mkdir("./3", 0777 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] rmdir("./2" [pid 5832] mkdir("./3", 0777 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... mkdir resumed>) = 0 [pid 5831] rmdir("./2" [pid 5830] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] mkdir("./3", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... openat resumed>) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5833] close(3) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] mkdir("./3", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5829] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5882 attached [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5882 [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(3 [pid 5882] set_robust_list(0x5555832d26a0, 24 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] <... set_robust_list resumed>) = 0 [pid 5882] chdir("./3" [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 5885 attached [pid 5882] <... chdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5883 ./strace-static-x86_64: Process 5884 attached ./strace-static-x86_64: Process 5883 attached [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5885] set_robust_list(0x5555832d26a0, 24 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5884 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5885 [pid 5885] chdir("./3" [pid 5884] set_robust_list(0x5555832d26a0, 24 [pid 5883] set_robust_list(0x5555832d26a0, 24 [pid 5882] <... openat resumed>) = 3 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5885] <... chdir resumed>) = 0 [pid 5882] write(3, "1000", 4 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] chdir("./3" [pid 5882] <... write resumed>) = 4 [pid 5883] chdir("./3" [pid 5885] <... prctl resumed>) = 0 [pid 5885] setpgid(0, 0 [pid 5882] close(3) = 0 [pid 5885] <... setpgid resumed>) = 0 [pid 5882] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5886 attached [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... chdir resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] <... openat resumed>) = 3 [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... symlink resumed>) = 0 [pid 5883] setpgid(0, 0 [pid 5886] set_robust_list(0x5555832d26a0, 24 [pid 5885] write(3, "1000", 4 [pid 5883] <... setpgid resumed>) = 0 executing program [pid 5882] write(1, "executing program\n", 18 [pid 5885] <... write resumed>) = 4 [pid 5882] <... write resumed>) = 18 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] close(3 [pid 5884] <... prctl resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5886 [pid 5885] <... close resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5885] symlink("/dev/binderfs", "./binderfs" [pid 5882] <... futex resumed>) = 0 [pid 5886] chdir("./3" [pid 5885] <... symlink resumed>) = 0 [pid 5884] <... setpgid resumed>) = 0 [pid 5883] <... openat resumed>) = 3 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, executing program NULL, 8) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5885] write(1, "executing program\n", 18 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] write(3, "1000", 4 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] <... write resumed>) = 4 [pid 5883] close(3) = 0 [pid 5886] setpgid(0, 0 [pid 5885] <... write resumed>) = 18 [pid 5884] <... openat resumed>) = 3 [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5885] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5885] <... futex resumed>) = 0 [pid 5882] <... mprotect resumed>) = 0 [pid 5885] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, executing program [pid 5884] write(3, "1000", 4 [pid 5883] <... symlink resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5884] <... write resumed>) = 4 [pid 5886] <... setpgid resumed>) = 0 [pid 5883] write(1, "executing program\n", 18 [pid 5884] close(3 [pid 5883] <... write resumed>) = 18 [pid 5884] <... close resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5884] symlink("/dev/binderfs", "./binderfs" [pid 5883] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... symlink resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5884] write(1, "executing program\n", 18 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5886] write(3, "1000", 4 [pid 5884] <... write resumed>) = 18 [pid 5883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5886] <... write resumed>) = 4 [pid 5884] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] close(3 [pid 5884] <... futex resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5886] <... close resumed>) = 0 [pid 5884] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] symlink("/dev/binderfs", "./binderfs" [pid 5884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5886] <... symlink resumed>) = 0 [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... mmap resumed>) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5887 attached [pid 5885] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5885] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5882] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5887] <... rseq resumed>) = 0 [pid 5886] write(1, "executing program\n", 18executing program [pid 5885] <... mprotect resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5886] <... write resumed>) = 18 [pid 5885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5884] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5883] <... mprotect resumed>) = 0 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5884] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5888 attached [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5884] <... mprotect resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5888] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5887] memfd_create("syzkaller", 0 [pid 5886] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5885] <... clone3 resumed> => {parent_tid=[5888]}, 88) = 5888 [pid 5884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5888] <... rseq resumed>) = 0 [pid 5887] <... memfd_create resumed>) = 3 [pid 5886] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5889 attached [pid 5888] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5889] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] <... mmap resumed>) = 0x7f3f93e00000 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 ./strace-static-x86_64: Process 5890 attached [pid 5889] <... rseq resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] <... futex resumed>) = 0 [pid 5886] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5889] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5885] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... set_robust_list resumed>) = 0 [pid 5886] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... mprotect resumed>) = 0 [pid 5884] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5883] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] memfd_create("syzkaller", 0 [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] <... futex resumed>) = 0 [pid 5890] <... rseq resumed>) = 0 [pid 5889] memfd_create("syzkaller", 0 [pid 5888] <... memfd_create resumed>) = 3 [pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5890] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5889] <... memfd_create resumed>) = 3 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5891 attached [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] <... mmap resumed>) = 0x7f3f93e00000 [pid 5888] <... mmap resumed>) = 0x7f3f93e00000 [pid 5884] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5887] <... write resumed>) = 524288 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] <... rseq resumed>) = 0 [pid 5890] memfd_create("syzkaller", 0 [pid 5884] <... futex resumed>) = 0 [pid 5890] <... memfd_create resumed>) = 3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5891] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5884] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891 [pid 5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5890] <... write resumed>) = 524288 [pid 5889] <... write resumed>) = 524288 [pid 5888] <... write resumed>) = 524288 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] munmap(0x7f3f93e00000, 138412032 [pid 5889] munmap(0x7f3f93e00000, 138412032 [pid 5887] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5886] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5891] memfd_create("syzkaller", 0 [pid 5886] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5890] <... munmap resumed>) = 0 [pid 5889] <... munmap resumed>) = 0 [pid 5887] <... openat resumed>) = 4 [pid 5891] <... memfd_create resumed>) = 3 [pid 5890] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5888] munmap(0x7f3f93e00000, 138412032 [pid 5887] ioctl(4, LOOP_SET_FD, 3 [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] <... munmap resumed>) = 0 [pid 5891] <... mmap resumed>) = 0x7f3f93e00000 [pid 5890] <... openat resumed>) = 4 [pid 5889] <... openat resumed>) = 4 [pid 5890] ioctl(4, LOOP_SET_FD, 3 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5888] <... openat resumed>) = 4 [pid 5888] ioctl(4, LOOP_SET_FD, 3 [pid 5887] <... ioctl resumed>) = 0 [pid 5887] close(3 [pid 5889] <... ioctl resumed>) = 0 [pid 5887] <... close resumed>) = 0 [pid 5889] close(3 [pid 5887] close(4 [pid 5891] <... write resumed>) = 524288 [pid 5889] <... close resumed>) = 0 [pid 5887] <... close resumed>) = 0 [pid 5891] munmap(0x7f3f93e00000, 138412032 [pid 5890] <... ioctl resumed>) = 0 [pid 5889] close(4 [pid 5888] <... ioctl resumed>) = 0 [pid 5887] mkdir("./file0", 0777 [pid 5890] close(3 [pid 5889] <... close resumed>) = 0 [pid 5888] close(3 [pid 5891] <... munmap resumed>) = 0 [pid 5890] <... close resumed>) = 0 [pid 5889] mkdir("./file0", 0777 [pid 5888] <... close resumed>) = 0 [pid 5887] <... mkdir resumed>) = 0 [ 65.472525][ T5887] loop4: detected capacity change from 0 to 1024 [ 65.482220][ T5889] loop1: detected capacity change from 0 to 1024 [ 65.489513][ T5890] loop3: detected capacity change from 0 to 1024 [ 65.498153][ T5888] loop2: detected capacity change from 0 to 1024 [pid 5890] close(4 [pid 5889] <... mkdir resumed>) = 0 [pid 5887] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5890] <... close resumed>) = 0 [pid 5889] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5888] close(4 [pid 5891] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5890] mkdir("./file0", 0777 [pid 5888] <... close resumed>) = 0 [pid 5891] <... openat resumed>) = 4 [pid 5890] <... mkdir resumed>) = 0 [pid 5888] mkdir("./file0", 0777 [pid 5891] ioctl(4, LOOP_SET_FD, 3 [pid 5890] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5888] <... mkdir resumed>) = 0 [pid 5891] <... ioctl resumed>) = 0 [pid 5888] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5891] close(3) = 0 [pid 5891] close(4) = 0 [pid 5891] mkdir("./file0", 0777 [pid 5887] <... mount resumed>) = 0 [pid 5891] <... mkdir resumed>) = 0 [pid 5887] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5891] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5889] <... mount resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5889] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5887] chdir("./file0" [pid 5890] <... mount resumed>) = 0 [pid 5889] <... openat resumed>) = 3 [pid 5887] <... chdir resumed>) = 0 [pid 5889] chdir("./file0" [pid 5887] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5890] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5889] <... chdir resumed>) = 0 [pid 5887] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5890] <... openat resumed>) = 3 [pid 5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5890] chdir("./file0" [pid 5887] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... chdir resumed>) = 0 [pid 5889] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5887] <... futex resumed>) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5890] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5887] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5882] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5889] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... openat resumed>) = 4 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5883] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5888] <... mount resumed>) = 0 [pid 5890] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... openat resumed>) = 4 [pid 5890] <... futex resumed>) = 1 [pid 5888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5887] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5888] <... openat resumed>) = 3 [pid 5887] ftruncate(4, 33554441 [pid 5884] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... mount resumed>) = 0 [pid 5889] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] chdir("./file0" [pid 5884] <... futex resumed>) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5888] <... chdir resumed>) = 0 [pid 5884] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5890] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5883] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5890] <... openat resumed>) = 4 [ 65.537816][ T5891] loop0: detected capacity change from 0 to 1024 [pid 5889] ftruncate(4, 33554441 [pid 5888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5883] <... futex resumed>) = 0 [pid 5891] <... openat resumed>) = 3 [pid 5890] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] chdir("./file0") = 0 [pid 5890] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5884] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5890] ftruncate(4, 33554441 [pid 5888] <... futex resumed>) = 1 [pid 5884] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... futex resumed>) = 0 [pid 5891] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5885] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5891] <... futex resumed>) = 1 [pid 5886] <... futex resumed>) = 0 [pid 5886] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5886] <... futex resumed>) = 0 [pid 5886] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... openat resumed>) = 4 [pid 5888] <... openat resumed>) = 4 [pid 5888] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5888] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5885] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5888] ftruncate(4, 33554441 [pid 5891] <... futex resumed>) = 1 [pid 5886] <... futex resumed>) = 0 [pid 5891] ftruncate(4, 33554441 [pid 5886] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5883] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] <... mprotect resumed>) = 0 [pid 5884] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5890] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5884] <... futex resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5884] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5882] <... clone3 resumed> => {parent_tid=[5892]}, 88) = 5892 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5882] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5884] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5893 attached [pid 5882] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5892 attached [pid 5892] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 5892] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5884] <... mprotect resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 5884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5883] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5887] <... futex resumed>) = 0 [pid 5885] <... futex resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5885] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5883] <... futex resumed>) = 0 [pid 5893] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5885] <... mprotect resumed>) = 0 [pid 5884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5883] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... unlinkat resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5894 attached [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 1 [pid 5885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5884] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5895 attached [pid 5894] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5893] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5892] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] exit_group(0 [pid 5895] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5894] <... rseq resumed>) = 0 [pid 5893] <... unlinkat resumed>) = 0 [pid 5892] <... futex resumed>) = ? [pid 5890] <... futex resumed>) = 0 [pid 5889] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = ? [pid 5885] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] <... exit_group resumed>) = ? [pid 5895] <... rseq resumed>) = 0 [pid 5894] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5893] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] +++ exited with 0 +++ [pid 5890] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] <... futex resumed>) = 0 [pid 5887] +++ exited with 0 +++ [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] +++ exited with 0 +++ [pid 5895] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... futex resumed>) = 1 [pid 5889] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5884] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] exit_group(0 [pid 5884] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] --- 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 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] <... futex resumed>) = ? [pid 5889] <... futex resumed>) = ? [pid 5886] <... futex resumed>) = 0 [pid 5885] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... exit_group resumed>) = ? [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] +++ exited with 0 +++ [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] <... futex resumed>) = 0 [pid 5895] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5894] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5886] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5885] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... unlinkat resumed>) = 0 [pid 5893] +++ exited with 0 +++ [pid 5891] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5888] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5883] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5895] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... unlinkat resumed>) = 0 [pid 5891] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5895] <... futex resumed>) = 1 [pid 5894] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5886] <... mprotect resumed>) = 0 [pid 5885] <... futex resumed>) = 0 [pid 5833] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] <... futex resumed>) = 1 [pid 5891] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5885] exit_group(0 [pid 5884] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... futex resumed>) = ? [pid 5894] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = ? [pid 5886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5885] <... exit_group resumed>) = ? [pid 5884] exit_group(0 [pid 5833] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] +++ exited with 0 +++ [pid 5890] <... futex resumed>) = ? [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5884] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 5830] newfstatat(3, "", ./strace-static-x86_64: Process 5896 attached [pid 5890] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5896] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5886] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5888] +++ exited with 0 +++ [pid 5885] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5830] getdents64(3, [pid 5896] <... rseq resumed>) = 0 [pid 5894] <... futex resumed>) = ? [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5896] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5894] +++ exited with 0 +++ [pid 5886] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5896] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] unlink("./3/binderfs" [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5833] <... unlink resumed>) = 0 [pid 5896] <... unlinkat resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5896] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] unlink("./3/binderfs" [pid 5896] <... futex resumed>) = 1 [pid 5886] <... futex resumed>) = 0 [pid 5896] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] exit_group(0 [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... futex resumed>) = ? [pid 5886] <... exit_group resumed>) = ? [pid 5896] <... futex resumed>) = ? [pid 5891] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5896] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./3/binderfs") = 0 [pid 5829] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./3/file0", [pid 5832] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./3/file0", [pid 5829] newfstatat(AT_FDCWD, "./3/file0", [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] getdents64(3, [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5832] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5830] newfstatat(4, "", [pid 5829] <... openat resumed>) = 4 [pid 5833] close(4 [pid 5832] unlink("./3/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(4, "", [pid 5833] <... close resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] unlink("./3/binderfs" [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rmdir("./3/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5830] close(4) = 0 [ 65.722554][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 65.733289][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 65.745981][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] rmdir("./3/file0") = 0 [pid 5830] getdents64(3, [pid 5833] <... rmdir resumed>) = 0 [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] close(3 [pid 5829] close(4 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./3" [pid 5829] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] rmdir("./3/file0" [pid 5833] rmdir("./3" [pid 5830] mkdir("./4", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] mkdir("./4", 0777 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 5832] newfstatat(AT_FDCWD, "./3/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./3/file0", [pid 5829] rmdir("./3" [pid 5832] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... ioctl resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(3 [pid 5832] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... openat resumed>) = 4 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5829] mkdir("./4", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... close resumed>) = 0 [ 65.775572][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 65.789007][ T11] hfsplus: b-tree write err: -5, ino 4 ./strace-static-x86_64: Process 5897 attached [pid 5832] newfstatat(4, "", [pid 5831] newfstatat(4, "", [pid 5830] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5897 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5899 attached ./strace-static-x86_64: Process 5898 attached [pid 5897] set_robust_list(0x5555832d26a0, 24 [pid 5831] getdents64(4, [pid 5898] set_robust_list(0x5555832d26a0, 24 [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5898 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 5899] set_robust_list(0x5555832d26a0, 24 [pid 5898] chdir("./4" [pid 5897] <... set_robust_list resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] <... chdir resumed>) = 0 [pid 5897] chdir("./4" [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5899 [pid 5899] chdir("./4" [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] <... chdir resumed>) = 0 [pid 5832] close(4 [pid 5831] <... close resumed>) = 0 [pid 5899] <... chdir resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... close resumed>) = 0 [pid 5831] rmdir("./3/file0" [pid 5897] <... prctl resumed>) = 0 [pid 5897] setpgid(0, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] setpgid(0, 0 [pid 5897] <... setpgid resumed>) = 0 [pid 5832] rmdir("./3/file0" [pid 5831] getdents64(3, [pid 5899] <... prctl resumed>) = 0 [pid 5898] <... setpgid resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5899] setpgid(0, 0 [pid 5897] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5899] <... setpgid resumed>) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] close(3 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] write(3, "1000", 4 [pid 5832] getdents64(3, [pid 5899] <... openat resumed>) = 3 [pid 5898] <... openat resumed>) = 3 [pid 5897] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5899] write(3, "1000", 4 [pid 5898] write(3, "1000", 4 [pid 5832] close(3 [pid 5831] rmdir("./3" [pid 5899] <... write resumed>) = 4 [pid 5899] close(3) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5898] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5898] close(3 [pid 5899] symlink("/dev/binderfs", "./binderfs" [pid 5897] close(3) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs"executing program executing program executing program [pid 5899] <... symlink resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5897] <... symlink resumed>) = 0 [pid 5832] rmdir("./3" [pid 5831] mkdir("./4", 0777 [pid 5898] symlink("/dev/binderfs", "./binderfs" [pid 5899] write(1, "executing program\n", 18 [pid 5897] write(1, "executing program\n", 18 [pid 5899] <... write resumed>) = 18 [pid 5897] <... write resumed>) = 18 [pid 5832] <... rmdir resumed>) = 0 [pid 5899] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... symlink resumed>) = 0 [pid 5897] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5899] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5898] write(1, "executing program\n", 18 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] mkdir("./4", 0777 [pid 5831] <... mkdir resumed>) = 0 [pid 5899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5898] <... write resumed>) = 18 [pid 5897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] <... futex resumed>) = 0 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5899] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5832] <... mkdir resumed>) = 0 [pid 5899] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5897] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5899] <... mprotect resumed>) = 0 [pid 5897] <... mprotect resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5900 attached [pid 5899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... openat resumed>) = 3 [pid 5900] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5898] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5897] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5901 attached [pid 5900] <... rseq resumed>) = 0 [pid 5898] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... openat resumed>) = 3 [pid 5900] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5899] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5898] <... mprotect resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] close(3 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... futex resumed>) = 0 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5897] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5897] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5900] <... futex resumed>) = 0 [pid 5900] memfd_create("syzkaller", 0) = 3 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5902 attached [pid 5901] <... rseq resumed>) = 0 [pid 5832] close(3 [pid 5902] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 5902] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5901] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5900] <... write resumed>) = 524288 [pid 5898] <... clone3 resumed> => {parent_tid=[5902]}, 88) = 5902 [pid 5832] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] munmap(0x7f3f93e00000, 138412032 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5903 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] memfd_create("syzkaller", 0 [pid 5898] <... futex resumed>) = 0 [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5901] <... memfd_create resumed>) = 3 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] <... munmap resumed>) = 0 [pid 5902] memfd_create("syzkaller", 0 [pid 5900] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5904 attached [pid 5903] set_robust_list(0x5555832d26a0, 24 [pid 5902] <... memfd_create resumed>) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5900] <... openat resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5904 [pid 5904] set_robust_list(0x5555832d26a0, 24 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5901] <... mmap resumed>) = 0x7f3f93e00000 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5903] chdir("./4" [pid 5902] <... mmap resumed>) = 0x7f3f93e00000 [pid 5900] ioctl(4, LOOP_SET_FD, 3 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] <... chdir resumed>) = 0 [pid 5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5904] chdir("./4" [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] <... chdir resumed>) = 0 [pid 5903] <... prctl resumed>) = 0 [pid 5903] setpgid(0, 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] <... setpgid resumed>) = 0 [pid 5902] <... write resumed>) = 524288 [pid 5900] <... ioctl resumed>) = 0 [pid 5900] close(3) = 0 [pid 5900] close(4) = 0 [pid 5900] mkdir("./file0", 0777 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] setpgid(0, 0) = 0 [pid 5903] <... openat resumed>) = 3 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] write(3, "1000", 4) = 4 [pid 5900] <... mkdir resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5903] close(3 [pid 5902] munmap(0x7f3f93e00000, 138412032 [pid 5901] <... write resumed>) = 524288 [pid 5904] write(3, "1000", 4 [pid 5903] <... close resumed>) = 0 [pid 5904] <... write resumed>) = 4 [pid 5903] symlink("/dev/binderfs", "./binderfs" [pid 5900] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5904] close(3 [pid 5903] <... symlink resumed>) = 0 [pid 5902] <... munmap resumed>) = 0 [pid 5901] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5902] <... openat resumed>) = 4 [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5901] <... openat resumed>) = 4 [pid 5904] <... close resumed>) = 0 [pid 5903] write(1, "executing program\n", 18 [pid 5901] ioctl(4, LOOP_SET_FD, 3executing program [pid 5904] symlink("/dev/binderfs", "./binderfs" [pid 5903] <... write resumed>) = 18 [pid 5904] <... symlink resumed>) = 0 [pid 5903] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [ 65.920501][ T5900] loop4: detected capacity change from 0 to 1024 [ 65.959303][ T5902] loop1: detected capacity change from 0 to 1024 executing program [pid 5904] write(1, "executing program\n", 18 [pid 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5904] <... write resumed>) = 18 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5904] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5904] <... futex resumed>) = 0 [pid 5903] <... mprotect resumed>) = 0 [pid 5904] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] <... ioctl resumed>) = 0 [pid 5904] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5902] close(3 [pid 5900] <... mount resumed>) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5905 attached [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] <... close resumed>) = 0 [pid 5900] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5905] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5904] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5903] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5902] close(4 [pid 5905] <... rseq resumed>) = 0 [pid 5904] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5904] <... mprotect resumed>) = 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] <... close resumed>) = 0 [pid 5901] <... ioctl resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5903] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] mkdir("./file0", 0777 [pid 5901] close(3 [pid 5900] chdir("./file0" [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5902] <... mkdir resumed>) = 0 [pid 5901] <... close resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5903] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5902] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5901] close(4./strace-static-x86_64: Process 5906 attached [pid 5905] memfd_create("syzkaller", 0 [pid 5900] <... chdir resumed>) = 0 [pid 5906] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5905] <... memfd_create resumed>) = 3 [pid 5904] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 [pid 5901] <... close resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5906] <... rseq resumed>) = 0 [pid 5906] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5900] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5906] <... set_robust_list resumed>) = 0 [pid 5900] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5900] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5906] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] mkdir("./file0", 0777 [pid 5900] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5897] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] <... mkdir resumed>) = 0 [pid 5900] <... openat resumed>) = 4 [pid 5897] <... futex resumed>) = 0 [pid 5897] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... mmap resumed>) = 0x7f3f93e00000 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5901] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5897] <... futex resumed>) = 0 [pid 5906] memfd_create("syzkaller", 0 [pid 5904] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5902] <... mount resumed>) = 0 [pid 5900] <... futex resumed>) = 1 [pid 5897] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... memfd_create resumed>) = 3 [pid 5902] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5897] <... futex resumed>) = 0 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5902] <... openat resumed>) = 3 [pid 5900] ftruncate(4, 33554441 [pid 5897] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... mmap resumed>) = 0x7f3f93e00000 [pid 5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5902] chdir("./file0") = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5902] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 65.971032][ T5901] loop0: detected capacity change from 0 to 1024 [pid 5898] <... futex resumed>) = 0 [pid 5902] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... futex resumed>) = 0 [pid 5905] <... write resumed>) = 524288 [pid 5902] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5901] <... mount resumed>) = 0 [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... openat resumed>) = 4 [pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5901] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5901] chdir("./file0") = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5902] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = 0 [pid 5899] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5899] <... futex resumed>) = 0 [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] ftruncate(4, 33554441 [pid 5901] <... openat resumed>) = 4 [pid 5899] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... write resumed>) = 524288 [pid 5905] munmap(0x7f3f93e00000, 138412032 [pid 5901] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... munmap resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5905] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5901] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] munmap(0x7f3f93e00000, 138412032 [pid 5905] <... openat resumed>) = 4 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] <... munmap resumed>) = 0 [pid 5901] ftruncate(4, 33554441 [pid 5900] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5899] <... futex resumed>) = 0 [pid 5905] ioctl(4, LOOP_SET_FD, 3 [pid 5906] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5900] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... openat resumed>) = 4 [pid 5905] <... ioctl resumed>) = 0 [pid 5902] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5900] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5906] ioctl(4, LOOP_SET_FD, 3 [pid 5905] close(3 [pid 5902] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5897] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5898] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5898] <... futex resumed>) = 0 [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... mprotect resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5905] <... close resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5907 attached [pid 5905] close(4 [pid 5898] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5907] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5906] <... ioctl resumed>) = 0 [pid 5901] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5897] <... clone3 resumed> => {parent_tid=[5907]}, 88) = 5907 [pid 5907] <... rseq resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5906] close(3 [pid 5901] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5897] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] close(4 [pid 5897] <... futex resumed>) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5905] <... close resumed>) = 0 [pid 5902] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5899] <... futex resumed>) = 0 [pid 5905] mkdir("./file0", 0777 [pid 5902] <... unlinkat resumed>) = 0 [pid 5899] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... mkdir resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5899] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5902] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5906] <... close resumed>) = 0 [pid 5905] <... mount resumed>) = 0 [pid 5901] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5897] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... unlinkat resumed>) = 0 [pid 5906] mkdir("./file0", 0777 [pid 5905] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5902] <... futex resumed>) = 1 [pid 5901] <... unlinkat resumed>) = 0 [pid 5898] <... futex resumed>) = 0 [pid 5907] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... mkdir resumed>) = 0 [pid 5901] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] exit_group(0) = ? [pid 5907] <... futex resumed>) = 1 [pid 5906] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5905] <... openat resumed>) = 3 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5905] chdir("./file0" [pid 5902] +++ exited with 0 +++ [pid 5901] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] exit_group(0 [pid 5898] +++ exited with 0 +++ [pid 5897] exit_group(0 [pid 5905] <... chdir resumed>) = 0 [pid 5901] <... futex resumed>) = ? [pid 5900] <... futex resumed>) = ? [pid 5899] <... exit_group resumed>) = ? [pid 5897] <... exit_group resumed>) = ? [pid 5901] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5905] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- 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 5905] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5905] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5905] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 66.080248][ T5905] loop2: detected capacity change from 0 to 1024 [ 66.094599][ T5906] loop3: detected capacity change from 0 to 1024 [pid 5903] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... openat resumed>) = 4 [pid 5903] <... futex resumed>) = 0 [pid 5903] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5903] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] ftruncate(4, 33554441 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5906] <... mount resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", [pid 5830] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5906] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 5907] +++ exited with 0 +++ [pid 5906] <... openat resumed>) = 3 [pid 5897] +++ exited with 0 +++ [pid 5830] newfstatat(3, "", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5906] chdir("./file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] unlink("./4/binderfs") = 0 [pid 5829] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5906] <... chdir resumed>) = 0 [pid 5830] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5906] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5906] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./4/binderfs" [pid 5906] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5833] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5830] <... unlink resumed>) = 0 [pid 5906] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] <... futex resumed>) = 0 [pid 5904] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5904] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... futex resumed>) = 0 [pid 5906] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5833] unlink("./4/binderfs" [pid 5829] <... umount2 resumed>) = 0 [pid 5906] <... openat resumed>) = 4 [pid 5829] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5906] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] <... futex resumed>) = 1 [pid 5905] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5904] <... futex resumed>) = 0 [pid 5903] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./4/file0", [pid 5906] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] ftruncate(4, 33554441 [pid 5905] <... futex resumed>) = 0 [pid 5904] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5905] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5903] <... mprotect resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./4/file0", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 66.157191][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 66.185620][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 5903] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5908 attached [pid 5903] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5908] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5903] <... futex resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5829] getdents64(4, [pid 5903] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5829] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5829] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] rmdir("./4/file0" [pid 5830] rmdir("./4/file0" [pid 5829] <... rmdir resumed>) = 0 [pid 5908] <... rseq resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5908] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] getdents64(3, [pid 5829] getdents64(3, [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./4" [pid 5829] rmdir("./4" [pid 5908] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./5", 0777 [pid 5908] <... unlinkat resumed>) = 0 [pid 5830] mkdir("./5", 0777 [pid 5908] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5908] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] <... futex resumed>) = 0 [pid 5903] exit_group(0 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5908] <... futex resumed>) = ? [pid 5903] <... exit_group resumed>) = ? [pid 5908] +++ exited with 0 +++ [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 66.204698][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5833] newfstatat(AT_FDCWD, "./4/file0", [pid 5906] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5905] <... futex resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5905] +++ exited with 0 +++ [pid 5903] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 4 [pid 5906] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5906] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5906] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... ioctl resumed>) = 0 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5829] close(3 [pid 5906] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5904] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... unlinkat resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./4/file0") = 0 [pid 5906] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5906] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] exit_group(0 [pid 5833] rmdir("./4" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 5831] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] mkdir("./5", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5909 attached [pid 5906] <... futex resumed>) = ? [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] getdents64(3, [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] close(3 [pid 5831] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5910 attached [pid 5909] set_robust_list(0x5555832d26a0, 24 [pid 5906] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5909 [pid 5910] set_robust_list(0x5555832d26a0, 24 [pid 5909] <... set_robust_list resumed>) = 0 executing program [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5910 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] chdir("./5" [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5910] chdir("./5" [pid 5909] <... chdir resumed>) = 0 [pid 5910] <... chdir resumed>) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] <... prctl resumed>) = 0 [pid 5910] <... prctl resumed>) = 0 [pid 5909] setpgid(0, 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5910] setpgid(0, 0 [pid 5909] <... setpgid resumed>) = 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5909] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5910] <... openat resumed>) = 3 [pid 5909] write(3, "1000", 4 [pid 5832] <... openat resumed>) = 3 [pid 5910] write(3, "1000", 4 [pid 5909] <... write resumed>) = 4 [pid 5910] <... write resumed>) = 4 [pid 5909] close(3 [pid 5910] close(3 [pid 5909] <... close resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5832] newfstatat(3, "", [pid 5831] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5909] <... symlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5910] <... symlink resumed>) = 0 [pid 5909] write(1, "executing program\n", 18 [pid 5910] write(1, "executing program\n", 18executing program [pid 5833] <... close resumed>) = 0 [pid 5909] <... write resumed>) = 18 [pid 5910] <... write resumed>) = 18 [pid 5832] getdents64(3, [pid 5831] unlink("./4/binderfs" [pid 5910] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5910] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5909] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... unlink resumed>) = 0 [pid 5910] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5910] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5909] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5911 attached [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5911 [pid 5832] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5909] <... mprotect resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./4/binderfs" [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... unlink resumed>) = 0 [pid 5911] set_robust_list(0x5555832d26a0, 24 [pid 5910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5832] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5912 attached [pid 5911] chdir("./5" [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5910] <... clone3 resumed> => {parent_tid=[5912]}, 88) = 5912 ./strace-static-x86_64: Process 5913 attached [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... clone3 resumed> => {parent_tid=[5913]}, 88) = 5913 [pid 5913] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5912] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5911] <... chdir resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... rseq resumed>) = 0 [pid 5912] <... rseq resumed>) = 0 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5912] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] memfd_create("syzkaller", 0 [pid 5912] memfd_create("syzkaller", 0 [pid 5911] <... prctl resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5912] <... memfd_create resumed>) = 3 [pid 5909] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] <... memfd_create resumed>) = 3 executing program [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] <... mmap resumed>) = 0x7f3f93e00000 [pid 5911] setpgid(0, 0 [pid 5913] <... mmap resumed>) = 0x7f3f93e00000 [pid 5911] <... setpgid resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5911] write(3, "1000", 4) = 4 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5911] close(3 [pid 5831] <... umount2 resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5911] write(1, "executing program\n", 18) = 18 [pid 5911] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 4 [pid 5911] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] newfstatat(4, "", [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] getdents64(4, [pid 5911] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5911] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] getdents64(4, [pid 5911] <... mprotect resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] close(4 [pid 5911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./4/file0") = 0 [pid 5912] <... write resumed>) = 524288 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] getdents64(3, ./strace-static-x86_64: Process 5914 attached 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5912] munmap(0x7f3f93e00000, 138412032 [pid 5911] <... clone3 resumed> => {parent_tid=[5914]}, 88) = 5914 [pid 5831] <... close resumed>) = 0 [pid 5914] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5913] <... write resumed>) = 524288 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] rmdir("./4" [pid 5914] <... rseq resumed>) = 0 [pid 5912] <... munmap resumed>) = 0 [ 66.307277][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 66.339913][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5913] munmap(0x7f3f93e00000, 138412032 [pid 5912] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5911] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5912] <... openat resumed>) = 4 [pid 5911] <... futex resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] mkdir("./5", 0777 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... munmap resumed>) = 0 [pid 5912] ioctl(4, LOOP_SET_FD, 3 [pid 5914] memfd_create("syzkaller", 0) = 3 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5913] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... mkdir resumed>) = 0 [pid 5913] <... openat resumed>) = 4 [pid 5912] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5914] <... write resumed>) = 524288 [pid 5912] close(3 [pid 5832] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5914] munmap(0x7f3f93e00000, 138412032 [pid 5912] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5914] <... munmap resumed>) = 0 [pid 5912] close(4 [pid 5832] newfstatat(AT_FDCWD, "./4/file0", [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5912] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5912] mkdir("./file0", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5914] <... openat resumed>) = 4 [pid 5912] <... mkdir resumed>) = 0 [pid 5832] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5913] <... ioctl resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5913] close(3 [pid 5832] getdents64(4, [pid 5913] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./4/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./4"./strace-static-x86_64: Process 5915 attached [pid 5913] close(4 [pid 5832] <... rmdir resumed>) = 0 [pid 5913] <... close resumed>) = 0 [pid 5915] set_robust_list(0x5555832d26a0, 24 [pid 5913] mkdir("./file0", 0777 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5915 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5915] chdir("./5" [pid 5913] <... mkdir resumed>) = 0 [pid 5832] mkdir("./5", 0777 [pid 5915] <... chdir resumed>) = 0 [pid 5913] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5915] setpgid(0, 0) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5915] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5915] write(3, "1000", 4 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5915] <... write resumed>) = 4 [pid 5912] <... mount resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5915] close(3 [pid 5914] <... ioctl resumed>) = 0 [pid 5912] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] close(3 [pid 5915] <... close resumed>) = 0 [pid 5914] close(3 [pid 5912] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5915] symlink("/dev/binderfs", "./binderfs" [pid 5914] <... close resumed>) = 0 [pid 5912] chdir("./file0" [pid 5915] <... symlink resumed>) = 0 [pid 5915] write(1, "executing program\n", 18executing program [pid 5913] <... mount resumed>) = 0 [pid 5912] <... chdir resumed>) = 0 [pid 5915] <... write resumed>) = 18 [pid 5913] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5912] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5912] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5910] <... futex resumed>) = 0 [pid 5914] close(4 [pid 5913] <... openat resumed>) = 3 [pid 5912] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5910] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... openat resumed>) = 4 [pid 5915] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5913] chdir("./file0" [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5910] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... chdir resumed>) = 0 [pid 5915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5914] <... close resumed>) = 0 [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] mkdir("./file0", 0777 [pid 5913] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 1 [pid 5910] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5916 attached [pid 5915] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5914] <... mkdir resumed>) = 0 [pid 5913] <... futex resumed>) = 1 [pid 5912] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = 0 [pid 5916] set_robust_list(0x5555832d26a0, 24 [pid 5915] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [ 66.391912][ T5912] loop1: detected capacity change from 0 to 1024 [ 66.410995][ T5913] loop0: detected capacity change from 0 to 1024 [ 66.426478][ T5914] loop4: detected capacity change from 0 to 1024 [pid 5914] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5913] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5909] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] ftruncate(4, 33554441 [pid 5910] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 0 [pid 5916] chdir("./5" [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5909] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... chdir resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5913] <... openat resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5916 ./strace-static-x86_64: Process 5917 attached [pid 5916] <... prctl resumed>) = 0 [pid 5917] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5916] setpgid(0, 0 [pid 5915] <... clone3 resumed> => {parent_tid=[5917]}, 88) = 5917 [pid 5913] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... rseq resumed>) = 0 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... futex resumed>) = 0 [pid 5917] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5913] <... futex resumed>) = 1 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = 0 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5909] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5917] memfd_create("syzkaller", 0 [pid 5914] <... mount resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5913] ftruncate(4, 33554441 [pid 5914] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5914] chdir("./file0") = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5914] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5914] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5911] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... openat resumed>) = 4 [pid 5911] <... futex resumed>) = 0 [pid 5911] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5914] ftruncate(4, 33554441 [pid 5911] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5911] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... memfd_create resumed>) = 3 [pid 5916] write(3, "1000", 4) = 4 [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5916] close(3 [pid 5917] <... mmap resumed>) = 0x7f3f93e00000 [pid 5916] <... close resumed>) = 0 [pid 5916] symlink("/dev/binderfs", "./binderfs" [pid 5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5916] <... symlink resumed>) = 0 [pid 5916] write(1, "executing program\n", 18executing program ) = 18 [pid 5916] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5910] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... write resumed>) = 524288 [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5912] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5912] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5909] <... futex resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5917] munmap(0x7f3f93e00000, 138412032 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5913] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5910] <... mprotect resumed>) = 0 [pid 5909] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5917] <... munmap resumed>) = 0 [pid 5916] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5913] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5917] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5916] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5914] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5917] <... openat resumed>) = 4 [pid 5916] <... mprotect resumed>) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5913] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5918 attached [pid 5917] ioctl(4, LOOP_SET_FD, 3 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5911] <... futex resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5911] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... unlinkat resumed>) = 0 [pid 5918] <... rseq resumed>) = 0 [pid 5917] <... ioctl resumed>) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5914] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5918] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5919 attached [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] close(3 [pid 5916] <... clone3 resumed> => {parent_tid=[5919]}, 88) = 5919 [pid 5914] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5920 attached [pid 5919] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] <... close resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] exit_group(0 [pid 5910] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5920] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5919] <... rseq resumed>) = 0 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] close(4 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... futex resumed>) = ? [pid 5911] <... exit_group resumed>) = ? [pid 5910] <... futex resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5916] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] +++ exited with 0 +++ [pid 5910] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] <... rseq resumed>) = 0 [pid 5919] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5918] <... unlinkat resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5911] +++ exited with 0 +++ [pid 5917] <... close resumed>) = 0 [pid 5909] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... futex resumed>) = 1 [pid 5917] mkdir("./file0", 0777 [pid 5910] <... futex resumed>) = 0 [pid 5909] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] exit_group(0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] memfd_create("syzkaller", 0 [pid 5918] <... futex resumed>) = ? [pid 5917] <... mkdir resumed>) = 0 [pid 5912] <... futex resumed>) = ? [pid 5910] <... exit_group resumed>) = ? [pid 5920] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5919] <... memfd_create resumed>) = 3 [pid 5918] +++ exited with 0 +++ [pid 5917] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5912] +++ exited with 0 +++ [pid 5920] <... unlinkat resumed>) = 0 [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] +++ exited with 0 +++ [pid 5920] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5920] <... futex resumed>) = 1 [pid 5919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5917] <... mount resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5920] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5909] exit_group(0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5920] <... futex resumed>) = ? [pid 5913] <... futex resumed>) = ? [pid 5909] <... exit_group resumed>) = ? [pid 5920] +++ exited with 0 +++ [pid 5913] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5919] <... write resumed>) = 524288 [pid 5917] <... openat resumed>) = 3 [pid 5909] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [ 66.569941][ T5917] loop2: detected capacity change from 0 to 1024 [pid 5833] <... openat resumed>) = 3 [pid 5919] munmap(0x7f3f93e00000, 138412032 [pid 5917] chdir("./file0" [pid 5830] unlink("./5/binderfs" [pid 5919] <... munmap resumed>) = 0 [pid 5917] <... chdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] getdents64(3, [pid 5829] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5919] <... openat resumed>) = 4 [pid 5917] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... openat resumed>) = 3 [pid 5917] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5833] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(3, "", [pid 5917] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5829] getdents64(3, [pid 5917] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5915] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5917] <... openat resumed>) = 4 [pid 5833] unlink("./5/binderfs" [pid 5829] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5917] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5917] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5829] unlink("./5/binderfs" [pid 5917] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... unlink resumed>) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] <... futex resumed>) = 0 [pid 5829] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] ftruncate(4, 33554441 [pid 5915] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5919] close(3) = 0 [pid 5919] close(4) = 0 [pid 5919] mkdir("./file0", 0777 [pid 5830] <... umount2 resumed>) = 0 [pid 5919] <... mkdir resumed>) = 0 [pid 5919] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5917] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5915] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] getdents64(4, [pid 5915] <... futex resumed>) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] getdents64(4, [pid 5829] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... umount2 resumed>) = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./5/file0", [pid 5917] <... futex resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5917] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] newfstatat(AT_FDCWD, "./5/file0", [pid 5830] rmdir("./5/file0" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5921 attached [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5921] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5915] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921 [pid 5829] <... openat resumed>) = 4 [pid 5921] <... rseq resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 5921] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5919] <... mount resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5919] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5915] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] <... futex resumed>) = 0 [pid 5830] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5921] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5919] <... openat resumed>) = 3 [pid 5833] newfstatat(4, "", [pid 5830] rmdir("./5" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./5/file0" [pid 5921] <... unlinkat resumed>) = 0 [pid 5919] chdir("./file0" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] mkdir("./6", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5921] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... chdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] <... mkdir resumed>) = 0 [pid 5921] <... futex resumed>) = 1 [pid 5919] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5915] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [ 66.638137][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 66.647265][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 66.647356][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 66.658574][ T5919] loop3: detected capacity change from 0 to 1024 [pid 5921] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] exit_group(0 [pid 5833] getdents64(4, [pid 5829] getdents64(3, [pid 5921] <... futex resumed>) = ? [pid 5919] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = ? [pid 5915] <... exit_group resumed>) = ? [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5921] +++ exited with 0 +++ [pid 5919] <... futex resumed>) = 1 [pid 5917] +++ exited with 0 +++ [pid 5916] <... futex resumed>) = 0 [pid 5833] close(4 [pid 5830] <... openat resumed>) = 3 [pid 5916] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5833] rmdir("./5/file0" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5919] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5916] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5915] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] <... close resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] rmdir("./5" [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./5") = 0 [pid 5830] close(3 [pid 5919] <... openat resumed>) = 4 [pid 5829] mkdir("./6", 0777 [pid 5919] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5833] mkdir("./6", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 5919] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 0 [pid 5919] ftruncate(4, 33554441 [pid 5916] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5922 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./5/binderfs"./strace-static-x86_64: Process 5922 attached ) = 0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] set_robust_list(0x5555832d26a0, 24 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] <... set_robust_list resumed>) = 0 [pid 5922] chdir("./6"./strace-static-x86_64: Process 5923 attached ) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5924 ./strace-static-x86_64: Process 5924 attached [pid 5924] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5924] chdir("./6") = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5923 [pid 5923] set_robust_list(0x5555832d26a0, 24 [pid 5922] <... prctl resumed>) = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5924] setpgid(0, 0) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5924] write(3, "1000", 4) = 4 [pid 5924] close(3executing program ) = 0 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] setpgid(0, 0 [pid 5924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5923] chdir("./6" [pid 5922] <... setpgid resumed>) = 0 [pid 5916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5923] <... chdir resumed>) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] <... openat resumed>) = 3 [pid 5916] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... prctl resumed>) = 0 [pid 5922] write(3, "1000", 4 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5923] setpgid(0, 0 [pid 5922] <... write resumed>) = 4 [pid 5924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5923] <... setpgid resumed>) = 0 [pid 5922] close(3 [pid 5916] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... close resumed>) = 0 [pid 5916] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5923] <... openat resumed>) = 3 [pid 5922] symlink("/dev/binderfs", "./binderfs" [pid 5916] <... mprotect resumed>) = 0 [pid 5924] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5923] write(3, "1000", 4 [pid 5924] <... mprotect resumed>) = 0 [pid 5922] <... symlink resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] <... write resumed>) = 4 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] close(3 [pid 5922] write(1, "executing program\n", 18 [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5922] <... write resumed>) = 18 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5925 attached [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5923] <... close resumed>) = 0 [pid 5922] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5926 attached [pid 5925] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5923] symlink("/dev/binderfs", "./binderfs" [pid 5922] <... futex resumed>) = 0 [pid 5916] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5926] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5925] <... rseq resumed>) = 0 [pid 5924] <... clone3 resumed> => {parent_tid=[5926]}, 88) = 5926 [pid 5923] <... symlink resumed>) = 0 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5916] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5926] <... rseq resumed>) = 0 [pid 5925] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] write(1, "executing program\n", 18 [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] <... write resumed>) = 18 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5916] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5916] <... futex resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5916] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5924] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5923] <... futex resumed>) = 0 [pid 5919] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5926] memfd_create("syzkaller", 0) = 3 [pid 5922] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = 0 [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5922] <... mprotect resumed>) = 0 [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5925] <... unlinkat resumed>) = 0 [pid 5923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] <... futex resumed>) = 0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5919] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5927 attached [ 66.753802][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5925] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5927] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5922] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927 [pid 5831] newfstatat(AT_FDCWD, "./5/file0", [pid 5927] <... rseq resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... futex resumed>) = 0 [pid 5927] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5923] <... mprotect resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] exit_group(0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] <... write resumed>) = 524288 [pid 5925] +++ exited with 0 +++ [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5922] <... futex resumed>) = 0 [pid 5919] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5927] memfd_create("syzkaller", 0 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5922] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] <... openat resumed>) = 4 [pid 5927] <... memfd_create resumed>) = 3 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, ./strace-static-x86_64: Process 5928 attached [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5923] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5832] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] getdents64(4, [pid 5928] <... rseq resumed>) = 0 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5926] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5928] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5926] <... munmap resumed>) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] newfstatat(3, "", [pid 5831] close(4 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5927] <... mmap resumed>) = 0x7f3f93e00000 [pid 5926] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5923] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... close resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5926] <... openat resumed>) = 4 [pid 5923] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] rmdir("./5/file0" [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5928] memfd_create("syzkaller", 0 [pid 5927] <... write resumed>) = 524288 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... rmdir resumed>) = 0 [pid 5928] <... memfd_create resumed>) = 3 [pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5927] munmap(0x7f3f93e00000, 138412032 [pid 5832] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5928] <... mmap resumed>) = 0x7f3f93e00000 [pid 5927] <... munmap resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... ioctl resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5926] close(3 [pid 5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5926] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5831] close(3 [pid 5928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5927] <... openat resumed>) = 4 [pid 5926] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5926] <... close resumed>) = 0 [pid 5832] unlink("./5/binderfs" [pid 5831] rmdir("./5" [pid 5926] mkdir("./file0", 0777) = 0 [pid 5927] ioctl(4, LOOP_SET_FD, 3 [pid 5926] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5928] <... write resumed>) = 524288 [pid 5927] <... ioctl resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5928] munmap(0x7f3f93e00000, 138412032 [pid 5832] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] mkdir("./6", 0777 [pid 5928] <... munmap resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5928] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5927] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5927] <... close resumed>) = 0 [pid 5927] close(4 [pid 5928] <... openat resumed>) = 4 [pid 5927] <... close resumed>) = 0 [pid 5927] mkdir("./file0", 0777 [pid 5831] <... openat resumed>) = 3 [ 66.871277][ T5926] loop4: detected capacity change from 0 to 1024 [ 66.887592][ T5927] loop1: detected capacity change from 0 to 1024 [ 66.900328][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5927] <... mkdir resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5928] ioctl(4, LOOP_SET_FD, 3 [pid 5927] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5928] <... ioctl resumed>) = 0 [pid 5926] <... mount resumed>) = 0 [pid 5831] close(3 [pid 5928] close(3 [pid 5926] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5928] <... close resumed>) = 0 [pid 5926] <... openat resumed>) = 3 [pid 5928] close(4 [pid 5926] chdir("./file0" [pid 5928] <... close resumed>) = 0 [pid 5926] <... chdir resumed>) = 0 [pid 5928] mkdir("./file0", 0777 [pid 5926] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5928] <... mkdir resumed>) = 0 [pid 5926] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5928] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5926] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5926] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555832d2690) = 5929 [pid 5927] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5929 attached [pid 5928] <... mount resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5927] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... umount2 resumed>) = 0 [pid 5924] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] set_robust_list(0x5555832d26a0, 24 [pid 5927] <... openat resumed>) = 3 [pid 5926] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5832] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5929] <... set_robust_list resumed>) = 0 [pid 5928] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5927] chdir("./file0" [pid 5926] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5924] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] chdir("./6" [pid 5928] <... openat resumed>) = 3 [pid 5927] <... chdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./5/file0", [pid 5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5929] <... chdir resumed>) = 0 [pid 5928] chdir("./file0" [pid 5927] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5926] <... openat resumed>) = 4 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... chdir resumed>) = 0 [pid 5927] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5929] <... prctl resumed>) = 0 [pid 5928] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5927] <... futex resumed>) = 1 [pid 5929] setpgid(0, 0 [pid 5928] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 0 [pid 5832] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5929] <... setpgid resumed>) = 0 [pid 5928] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5922] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] <... futex resumed>) = 1 [pid 5926] ftruncate(4, 33554441 [pid 5924] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5928] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... openat resumed>) = 4 [pid 5924] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5929] <... openat resumed>) = 3 [pid 5928] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5923] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] write(3, "1000", 4 [ 66.924138][ T5928] loop0: detected capacity change from 0 to 1024 [pid 5832] newfstatat(4, "", [pid 5929] <... write resumed>) = 4 [pid 5928] <... openat resumed>) = 4 [pid 5927] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5929] close(3 [pid 5927] <... futex resumed>) = 1 [pid 5832] getdents64(4, [pid 5929] <... close resumed>) = 0 [pid 5928] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5928] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5922] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(4, [pid 5929] <... symlink resumed>) = 0 executing program [pid 5928] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] <... futex resumed>) = 1 [pid 5929] write(1, "executing program\n", 18 [pid 5927] <... futex resumed>) = 0 [pid 5923] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5929] <... write resumed>) = 18 [pid 5928] ftruncate(4, 33554441 [pid 5923] <... futex resumed>) = 0 [pid 5929] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] ftruncate(4, 33554441 [pid 5923] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] close(4 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./5/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./5") = 0 [pid 5832] mkdir("./6", 0777 [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5930 [pid 5924] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5930 attached [pid 5929] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5930] set_robust_list(0x5555832d26a0, 24 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5922] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... mprotect resumed>) = 0 [pid 5924] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5922] <... futex resumed>) = 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5930] chdir("./6" [pid 5924] <... mprotect resumed>) = 0 [pid 5923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5922] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5922] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5930] <... chdir resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5926] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5928] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5922] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5931 attached [pid 5930] <... prctl resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5932 attached [pid 5931] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5930] setpgid(0, 0 [pid 5929] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 [pid 5928] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5932] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5931] <... rseq resumed>) = 0 [pid 5930] <... setpgid resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932 [pid 5923] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5923] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5933 attached [pid 5931] <... set_robust_list resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5932] <... rseq resumed>) = 0 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... futex resumed>) = 0 [pid 5924] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5922] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933 [pid 5933] <... rseq resumed>) = 0 [pid 5932] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5924] <... futex resumed>) = 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5922] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5934 attached [pid 5933] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] memfd_create("syzkaller", 0 [pid 5930] <... openat resumed>) = 3 [pid 5924] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] <... memfd_create resumed>) = 3 [pid 5930] write(3, "1000", 4 [pid 5923] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5922] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5934] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5930] <... write resumed>) = 4 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] <... futex resumed>) = 0 [pid 5934] <... rseq resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5931] <... mmap resumed>) = 0x7f3f93e00000 [pid 5930] close(3 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5933] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5930] <... close resumed>) = 0 [pid 5923] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... unlinkat resumed>) = 0 [pid 5930] symlink("/dev/binderfs", "./binderfs" [pid 5923] <... futex resumed>) = 0 [pid 5930] <... symlink resumed>) = 0 [pid 5923] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... unlinkat resumed>) = 0 [pid 5933] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5930] write(1, "executing program\n", 18 [pid 5922] <... futex resumed>) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5933] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] <... write resumed>) = 18 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5932] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5930] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5934] <... unlinkat resumed>) = 0 [pid 5932] <... futex resumed>) = 1 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5924] <... futex resumed>) = 0 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5924] exit_group(0 [pid 5930] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5926] <... futex resumed>) = ? [pid 5924] <... exit_group resumed>) = ? [pid 5934] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5930] <... mprotect resumed>) = 0 [pid 5927] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] +++ exited with 0 +++ [pid 5923] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5932] +++ exited with 0 +++ [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5927] <... futex resumed>) = 0 [pid 5924] +++ exited with 0 +++ [pid 5923] exit_group(0 [pid 5922] exit_group(0 [pid 5928] <... futex resumed>) = ? [pid 5923] <... exit_group resumed>) = ? [pid 5933] <... futex resumed>) = ? [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] +++ exited with 0 +++ [pid 5922] <... exit_group resumed>) = ? [pid 5934] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5931] <... write resumed>) = 524288 [pid 5927] +++ exited with 0 +++ [pid 5923] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5931] munmap(0x7f3f93e00000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] <... munmap resumed>) = 0 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5922] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- ./strace-static-x86_64: Process 5935 attached [pid 5833] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5935] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5930] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5833] newfstatat(3, "", [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5935] <... rseq resumed>) = 0 [pid 5931] <... openat resumed>) = 4 [pid 5935] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5935] memfd_create("syzkaller", 0 [pid 5931] ioctl(4, LOOP_SET_FD, 3 [pid 5930] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5935] <... memfd_create resumed>) = 3 [pid 5833] getdents64(3, [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5931] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5931] close(3 [pid 5833] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5931] <... close resumed>) = 0 [pid 5931] close(4 [pid 5830] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5931] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5931] mkdir("./file0", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5931] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 5833] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5931] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./6/binderfs") = 0 [pid 5935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] unlink("./6/binderfs" [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5829] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5935] <... write resumed>) = 524288 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5935] munmap(0x7f3f93e00000, 138412032 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5935] <... munmap resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5935] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5935] <... openat resumed>) = 4 [pid 5829] unlink("./6/binderfs") = 0 [pid 5829] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 67.109814][ T5931] loop2: detected capacity change from 0 to 1024 [ 67.129379][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 67.137922][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 67.154574][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5935] ioctl(4, LOOP_SET_FD, 3 [pid 5931] <... mount resumed>) = 0 [pid 5931] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5931] chdir("./file0") = 0 [pid 5931] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5931] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5931] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... futex resumed>) = 0 [pid 5929] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... ioctl resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5929] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] close(3) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5935] close(4 [pid 5931] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5935] <... close resumed>) = 0 [pid 5931] <... openat resumed>) = 4 [pid 5931] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5935] mkdir("./file0", 0777 [pid 5929] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] ftruncate(4, 33554441 [pid 5929] <... futex resumed>) = 0 [pid 5935] <... mkdir resumed>) = 0 [pid 5929] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5935] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./6/file0") = 0 [pid 5830] getdents64(3, [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 5935] <... mount resumed>) = 0 [pid 5829] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./6" [pid 5935] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] chdir("./file0" [pid 5829] newfstatat(AT_FDCWD, "./6/file0", [pid 5935] <... chdir resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./6/file0", [pid 5830] mkdir("./7", 0777 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5935] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5935] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5935] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5930] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] <... openat resumed>) = 4 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5830] close(3 [pid 5935] <... openat resumed>) = 4 [ 67.163407][ T5935] loop3: detected capacity change from 0 to 1024 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5935] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(4, "", [pid 5935] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./6/file0") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./6") = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5936 attached [pid 5935] ftruncate(4, 33554441 [pid 5930] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(4, [pid 5833] mkdir("./7", 0777 [pid 5936] set_robust_list(0x5555832d26a0, 24 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5936 [pid 5936] chdir("./7" [pid 5930] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(4, [pid 5936] <... chdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... openat resumed>) = 3 [pid 5936] <... prctl resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5936] setpgid(0, 0 [pid 5929] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5936] <... setpgid resumed>) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] close(4 [pid 5929] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] <... close resumed>) = 0 [pid 5929] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] rmdir("./6/file0" [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... mprotect resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 executing program [pid 5936] <... openat resumed>) = 3 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5936] write(3, "1000", 4 [pid 5829] <... close resumed>) = 0 [pid 5936] <... write resumed>) = 4 [pid 5829] rmdir("./6" [pid 5936] close(3) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs" [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5936] <... symlink resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] mkdir("./7", 0777) = 0 [pid 5936] write(1, "executing program\n", 18 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5936] <... write resumed>) = 18 [pid 5936] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5938 attached ./strace-static-x86_64: Process 5937 attached [pid 5936] <... futex resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5937 [pid 5829] <... ioctl resumed>) = 0 [pid 5929] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5829] close(3 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5937] set_robust_list(0x5555832d26a0, 24 [pid 5936] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5936] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... close resumed>) = 0 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5938] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5937] chdir("./7" [pid 5936] <... mprotect resumed>) = 0 [pid 5931] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... chdir resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... futex resumed>) = 0 [pid 5929] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... futex resumed>) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... rseq resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5937] <... prctl resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5936] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939 [pid 5938] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5937] <... setpgid resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], executing program ./strace-static-x86_64: Process 5940 attached [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5940 [pid 5940] set_robust_list(0x5555832d26a0, 24 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... set_robust_list resumed>) = 0 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5940] chdir("./7" [pid 5937] <... openat resumed>) = 3 [pid 5936] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5939 attached [pid 5937] write(3, "1000", 4 [pid 5936] <... futex resumed>) = 0 [pid 5937] <... write resumed>) = 4 [pid 5936] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5938] <... unlinkat resumed>) = 0 [pid 5939] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5937] close(3 [pid 5939] <... rseq resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5939] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5937] symlink("/dev/binderfs", "./binderfs" [pid 5939] <... set_robust_list resumed>) = 0 [pid 5937] <... symlink resumed>) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] write(1, "executing program\n", 18 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... write resumed>) = 18 [pid 5939] memfd_create("syzkaller", 0 [pid 5937] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... memfd_create resumed>) = 3 [pid 5937] <... futex resumed>) = 0 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5940] <... chdir resumed>) = 0 [pid 5939] <... mmap resumed>) = 0x7f3f93e00000 [pid 5938] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] <... futex resumed>) = 1 [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5930] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5940] <... prctl resumed>) = 0 [pid 5939] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5938] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5930] <... futex resumed>) = 0 [pid 5929] exit_group(0 [pid 5940] setpgid(0, 0 [pid 5939] <... write resumed>) = 524288 [pid 5938] <... futex resumed>) = ? [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5935] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = ? [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... exit_group resumed>) = ? [pid 5940] <... setpgid resumed>) = 0 [pid 5938] +++ exited with 0 +++ [pid 5937] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5931] +++ exited with 0 +++ [pid 5930] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5929] +++ exited with 0 +++ [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5930] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5940] <... openat resumed>) = 3 [pid 5937] <... mprotect resumed>) = 0 [pid 5930] <... mprotect resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5940] write(3, "1000", 4 [pid 5937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5940] <... write resumed>) = 4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5935] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5940] close(3) = 0 [pid 5930] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941 [pid 5940] symlink("/dev/binderfs", "./binderfs" [pid 5930] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5940] <... symlink resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5942 attached ./strace-static-x86_64: Process 5941 attached [pid 5940] write(1, "executing program\n", 18 [pid 5937] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 [pid 5930] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... write resumed>) = 18 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] <... futex resumed>) = 0 [pid 5942] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5941] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5940] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... rseq resumed>) = 0 [pid 5941] <... rseq resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] munmap(0x7f3f93e00000, 138412032 [pid 5937] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5941] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5937] <... futex resumed>) = 0 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5939] <... munmap resumed>) = 0 [pid 5937] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5939] <... openat resumed>) = 4 [pid 5940] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5940] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] <... mprotect resumed>) = 0 [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5831] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] newfstatat(3, "", [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5940] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5941] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5943 attached [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5940] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... unlinkat resumed>) = 0 [pid 5942] memfd_create("syzkaller", 0 [pid 5940] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] unlink("./6/binderfs" [pid 5943] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5831] <... unlink resumed>) = 0 [pid 5943] <... rseq resumed>) = 0 [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5943] memfd_create("syzkaller", 0) = 3 [pid 5942] <... memfd_create resumed>) = 3 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] <... futex resumed>) = 1 [pid 5943] <... mmap resumed>) = 0x7f3f93e00000 [pid 5942] <... mmap resumed>) = 0x7f3f93e00000 [pid 5930] <... futex resumed>) = 0 [pid 5930] exit_group(0 [pid 5935] <... futex resumed>) = ? [pid 5930] <... exit_group resumed>) = ? [pid 5941] +++ exited with 0 +++ [pid 5942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5935] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5939] close(3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5939] <... close resumed>) = 0 [pid 5939] close(4) = 0 [pid 5939] mkdir("./file0", 0777 [pid 5942] <... write resumed>) = 524288 [pid 5939] <... mkdir resumed>) = 0 [pid 5832] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] <... write resumed>) = 524288 [pid 5942] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5942] <... munmap resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5942] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5942] <... openat resumed>) = 4 [pid 5832] getdents64(3, [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [ 67.334970][ T5939] loop1: detected capacity change from 0 to 1024 [ 67.359945][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5943] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5939] <... mount resumed>) = 0 [pid 5832] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] close(3 [pid 5832] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5942] <... close resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5942] close(4 [pid 5939] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5942] <... close resumed>) = 0 [pid 5942] mkdir("./file0", 0777 [pid 5943] <... openat resumed>) = 4 [pid 5942] <... mkdir resumed>) = 0 [pid 5832] unlink("./6/binderfs" [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5942] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] <... unlink resumed>) = 0 [pid 5832] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5939] <... openat resumed>) = 3 [pid 5939] chdir("./file0") = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... mount resumed>) = 0 [pid 5939] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5939] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(AT_FDCWD, "./6/file0", [pid 5942] <... openat resumed>) = 3 [pid 5939] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5942] chdir("./file0" [pid 5939] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... chdir resumed>) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5943] <... ioctl resumed>) = 0 [pid 5942] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] close(3 [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5939] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5936] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... close resumed>) = 0 [pid 5942] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... openat resumed>) = 4 [pid 5943] close(4 [pid 5942] <... futex resumed>) = 1 [pid 5943] <... close resumed>) = 0 [pid 5942] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] mkdir("./file0", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5943] <... mkdir resumed>) = 0 [pid 5939] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5939] <... futex resumed>) = 1 [pid 5937] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5832] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5942] <... futex resumed>) = 0 [pid 5939] ftruncate(4, 33554441 [pid 5937] <... futex resumed>) = 1 [pid 5936] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5942] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5937] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... futex resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./6/file0", [pid 5942] <... openat resumed>) = 4 [pid 5936] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5942] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5942] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5942] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... futex resumed>) = 0 [pid 5831] getdents64(4, [pid 5942] ftruncate(4, 33554441 [pid 5937] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5943] <... mount resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(4 [pid 5943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 5943] <... openat resumed>) = 3 [pid 5943] chdir("./file0") = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] getdents64(4, [pid 5943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5943] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(4, [pid 5943] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5940] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(4 [pid 5943] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5940] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] rmdir("./6/file0" [ 67.394188][ T5942] loop4: detected capacity change from 0 to 1024 [ 67.414610][ T5943] loop0: detected capacity change from 0 to 1024 [ 67.421705][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5943] <... openat resumed>) = 4 [pid 5940] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] rmdir("./6/file0") = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5943] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 5943] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5943] ftruncate(4, 33554441 [pid 5940] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(3 [pid 5940] <... futex resumed>) = 0 [pid 5831] close(3 [pid 5940] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./6" [pid 5832] rmdir("./6" [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./7", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5831] mkdir("./7", 0777 [pid 5936] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... mkdir resumed>) = 0 [pid 5936] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5936] <... futex resumed>) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... openat resumed>) = 3 [pid 5937] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5936] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5937] <... futex resumed>) = 0 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5936] <... mprotect resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5937] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] close(3 [pid 5937] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5937] <... mprotect resumed>) = 0 [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5944 attached [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5944 [pid 5937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5936] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5944] set_robust_list(0x5555832d26a0, 24 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5945 attached [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 5946 attached [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5946] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5945] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5944] chdir("./7" [pid 5943] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] <... rseq resumed>) = 0 [pid 5945] <... rseq resumed>) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5945] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] <... prctl resumed>) = 0 [pid 5943] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5937] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] setpgid(0, 0 [pid 5940] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5947 attached [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5940] <... mprotect resumed>) = 0 [pid 5939] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5945] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] <... futex resumed>) = 0 [pid 5946] <... unlinkat resumed>) = 0 [pid 5945] <... unlinkat resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5947 [pid 5947] set_robust_list(0x5555832d26a0, 24 [pid 5945] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5948 attached [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = 1 [pid 5944] <... openat resumed>) = 3 [pid 5942] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5948] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5947] chdir("./7" [pid 5945] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... clone3 resumed> => {parent_tid=[5948]}, 88) = 5948 [pid 5946] <... futex resumed>) = 1 [pid 5936] exit_group(0 [pid 5937] <... futex resumed>) = 0 [pid 5948] <... rseq resumed>) = 0 [pid 5947] <... chdir resumed>) = 0 [pid 5945] <... futex resumed>) = ? [pid 5944] write(3, "1000", 4 [pid 5942] <... futex resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... futex resumed>) = ? [pid 5937] exit_group(0 [pid 5936] <... exit_group resumed>) = ? [pid 5948] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] +++ exited with 0 +++ [pid 5944] <... write resumed>) = 4 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] +++ exited with 0 +++ [pid 5937] <... exit_group resumed>) = ? [pid 5936] +++ exited with 0 +++ [pid 5948] <... set_robust_list resumed>) = 0 [pid 5942] +++ exited with 0 +++ [pid 5940] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... futex resumed>) = 0 [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5948] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5830] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5947] <... prctl resumed>) = 0 [pid 5944] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] <... close resumed>) = 0 [pid 5947] setpgid(0, 0 [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5947] <... setpgid resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5948] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... symlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5948] <... futex resumed>) = 1 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] write(1, "executing program\n", 18 [pid 5940] <... futex resumed>) = 0 executing program [pid 5830] getdents64(3, [pid 5948] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... openat resumed>) = 3 [pid 5944] <... write resumed>) = 18 [pid 5940] exit_group(0 [pid 5948] <... futex resumed>) = ? [pid 5943] <... futex resumed>) = ? [pid 5940] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5948] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5940] +++ exited with 0 +++ [pid 5830] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5944] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5947] write(3, "1000", 4 [pid 5946] +++ exited with 0 +++ [pid 5944] <... futex resumed>) = 0 [pid 5937] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5947] <... write resumed>) = 4 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] unlink("./7/binderfs" [pid 5947] close(3 [pid 5944] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5947] <... close resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... unlink resumed>) = 0 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5947] <... symlink resumed>) = 0 [pid 5944] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5947] write(1, "executing program\n", 18 [pid 5944] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... write resumed>) = 18 [pid 5947] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... mprotect resumed>) = 0 [pid 5833] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5947] <... futex resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 5947] <... rt_sigaction resumed>NULL, 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5949 attached [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5949] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... clone3 resumed> => {parent_tid=[5949]}, 88) = 5949 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5949] <... rseq resumed>) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] getdents64(3, [pid 5949] <... set_robust_list resumed>) = 0 [pid 5947] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5944] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5944] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... mprotect resumed>) = 0 [pid 5833] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5949] memfd_create("syzkaller", 0 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5949] <... memfd_create resumed>) = 3 [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5949] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] unlink("./7/binderfs" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5950 attached [pid 5947] <... clone3 resumed> => {parent_tid=[5950]}, 88) = 5950 [pid 5829] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5950] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5950] <... rseq resumed>) = 0 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] unlink("./7/binderfs" [pid 5950] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5829] <... unlink resumed>) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5947] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5950] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5947] <... futex resumed>) = 0 [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] memfd_create("syzkaller", 0 [pid 5947] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5950] <... memfd_create resumed>) = 3 [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5949] <... write resumed>) = 524288 [pid 5949] munmap(0x7f3f93e00000, 138412032 [pid 5950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5949] <... munmap resumed>) = 0 [pid 5950] <... write resumed>) = 524288 [pid 5949] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5950] munmap(0x7f3f93e00000, 138412032 [pid 5949] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... umount2 resumed>) = 0 [ 67.587863][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 67.614746][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 67.620417][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5950] <... munmap resumed>) = 0 [pid 5949] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5950] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... umount2 resumed>) = 0 [pid 5949] close(3 [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5949] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] <... openat resumed>) = 4 [pid 5949] close(4 [pid 5833] newfstatat(AT_FDCWD, "./7/file0", [pid 5830] newfstatat(AT_FDCWD, "./7/file0", [pid 5829] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5949] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5949] mkdir("./file0", 0777) = 0 [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5949] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 4 [pid 5950] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] close(3 [pid 5829] newfstatat(AT_FDCWD, "./7/file0", [pid 5950] <... close resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5830] newfstatat(4, "", [pid 5950] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5950] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] close(4 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./7/file0" [pid 5833] rmdir("./7/file0" [pid 5950] mkdir("./file0", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5950] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", [pid 5949] <... mount resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 5830] close(3 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5833] rmdir("./7" [pid 5830] rmdir("./7" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5949] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 5949] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] mkdir("./8", 0777 [pid 5830] mkdir("./8", 0777 [pid 5829] close(4 [pid 5949] chdir("./file0" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5949] <... chdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] rmdir("./7/file0" [pid 5949] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5949] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(3, [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5950] <... mount resumed>) = 0 [pid 5949] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5950] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5949] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5944] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5829] rmdir("./7" [pid 5944] <... futex resumed>) = 0 [pid 5833] close(3 [pid 5830] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5944] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... openat resumed>) = 3 [pid 5949] <... openat resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5829] mkdir("./8", 0777 [pid 5830] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5951 attached [pid 5950] chdir("./file0" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5950] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5951 ./strace-static-x86_64: Process 5952 attached [pid 5951] set_robust_list(0x5555832d26a0, 24 [pid 5950] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 5951] <... set_robust_list resumed>) = 0 [ 67.644409][ T5949] loop3: detected capacity change from 0 to 1024 [ 67.664392][ T5950] loop2: detected capacity change from 0 to 1024 [pid 5950] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] chdir("./8" [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5952] set_robust_list(0x5555832d26a0, 24 [pid 5950] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] chdir("./8" [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5952 [pid 5952] <... chdir resumed>) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5952] setpgid(0, 0) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5952] write(3, "1000", 4 [pid 5951] <... chdir resumed>) = 0 [pid 5950] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5947] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... write resumed>) = 4 [pid 5947] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5949] ftruncate(4, 33554441 [pid 5947] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] close(3 [pid 5950] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] close(3 [pid 5951] <... prctl resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 5952] symlink("/dev/binderfs", "./binderfs" [pid 5950] <... openat resumed>) = 4 executing program [pid 5952] <... symlink resumed>) = 0 [pid 5951] setpgid(0, 0 [pid 5952] write(1, "executing program\n", 18) = 18 [pid 5952] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5951] <... setpgid resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5950] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5950] <... futex resumed>) = 0 [pid 5947] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5951] <... openat resumed>) = 3 [pid 5950] ftruncate(4, 33554441 [pid 5947] <... futex resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5953 attached [pid 5953] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5952] <... clone3 resumed> => {parent_tid=[5953]}, 88) = 5953 [pid 5953] <... rseq resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] <... futex resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5951] write(3, "1000", 4 [pid 5953] memfd_create("syzkaller", 0 [pid 5951] <... write resumed>) = 4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5951] close(3) = 0 ./strace-static-x86_64: Process 5954 attached [pid 5953] <... memfd_create resumed>) = 3 [pid 5951] symlink("/dev/binderfs", "./binderfs" [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5951] <... symlink resumed>) = 0 executing program [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5954 [pid 5951] write(1, "executing program\n", 18 [pid 5953] <... mmap resumed>) = 0x7f3f93e00000 [pid 5951] <... write resumed>) = 18 [pid 5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5954] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5954] chdir("./8" [pid 5951] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... chdir resumed>) = 0 [pid 5951] <... futex resumed>) = 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5951] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5954] setpgid(0, 0) = 0 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5951] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5954] write(3, "1000", 4) = 4 [pid 5954] close(3executing program ) = 0 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5954] write(1, "executing program\n", 18) = 18 [pid 5954] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5954] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5955 attached [pid 5953] <... write resumed>) = 524288 [pid 5951] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5944] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... clone3 resumed> => {parent_tid=[5955]}, 88) = 5955 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5954] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5954] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5955] <... rseq resumed>) = 0 [pid 5953] munmap(0x7f3f93e00000, 138412032 [pid 5955] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] <... munmap resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5944] <... futex resumed>) = 0 [pid 5955] memfd_create("syzkaller", 0 [pid 5953] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5951] <... mprotect resumed>) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] <... memfd_create resumed>) = 3 [pid 5953] <... openat resumed>) = 4 [pid 5947] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5953] ioctl(4, LOOP_SET_FD, 3 [pid 5947] <... futex resumed>) = 0 [pid 5944] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5951] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] <... mmap resumed>) = 0x7f3f93e00000 [pid 5953] <... ioctl resumed>) = 0 [pid 5951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5950] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5944] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5955] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5947] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5944] <... mprotect resumed>) = 0 [pid 5951] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5947] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5956 attached [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... mprotect resumed>) = 0 [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 5956] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5956] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5951] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5957 attached ) = 3 [pid 5953] close(3 [pid 5950] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5957] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5955] <... write resumed>) = 524288 [pid 5953] <... close resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5957] <... rseq resumed>) = 0 [pid 5956] <... mmap resumed>) = 0x7f3f93e00000 [pid 5953] close(4 [pid 5944] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957 ./strace-static-x86_64: Process 5958 attached [pid 5957] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5953] <... close resumed>) = 0 [pid 5949] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5955] munmap(0x7f3f93e00000, 138412032 [pid 5949] <... futex resumed>) = 0 [pid 5947] <... clone3 resumed> => {parent_tid=[5958]}, 88) = 5958 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] <... rseq resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5955] <... munmap resumed>) = 0 [pid 5953] mkdir("./file0", 0777 [pid 5947] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 67.834448][ T5953] loop4: detected capacity change from 0 to 1024 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5953] <... mkdir resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... unlinkat resumed>) = 0 [pid 5947] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5957] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... write resumed>) = 524288 [pid 5955] <... openat resumed>) = 4 [pid 5953] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5958] <... unlinkat resumed>) = 0 [pid 5957] <... futex resumed>) = 1 [pid 5955] ioctl(4, LOOP_SET_FD, 3 [pid 5944] <... futex resumed>) = 0 [pid 5958] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] exit_group(0 [pid 5958] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5944] <... exit_group resumed>) = ? [pid 5957] <... futex resumed>) = ? [pid 5949] <... futex resumed>) = ? [pid 5956] munmap(0x7f3f93e00000, 138412032 [pid 5957] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5956] <... munmap resumed>) = 0 [pid 5947] exit_group(0 [pid 5956] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5950] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5944] +++ exited with 0 +++ [pid 5956] <... openat resumed>) = 4 [pid 5953] <... mount resumed>) = 0 [pid 5950] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5956] ioctl(4, LOOP_SET_FD, 3 [pid 5953] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5953] chdir("./file0" [pid 5955] <... ioctl resumed>) = 0 [pid 5953] <... chdir resumed>) = 0 [pid 5832] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5958] +++ exited with 0 +++ [pid 5947] +++ exited with 0 +++ [pid 5955] close(3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5955] <... close resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5955] close(4) = 0 [pid 5953] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5955] mkdir("./file0", 0777 [pid 5953] <... futex resumed>) = 1 [pid 5832] newfstatat(3, "", [pid 5953] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5955] <... mkdir resumed>) = 0 [pid 5832] getdents64(3, [pid 5955] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5952] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5952] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 1 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5952] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5831] <... restart_syscall resumed>) = 0 [pid 5953] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./7/binderfs") = 0 [pid 5953] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5953] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5831] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5952] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] ftruncate(4, 33554441 [pid 5952] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5956] <... ioctl resumed>) = 0 [pid 5831] getdents64(3, [pid 5956] close(3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5956] <... close resumed>) = 0 [pid 5955] <... mount resumed>) = 0 [pid 5831] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5956] close(4) = 0 [pid 5956] mkdir("./file0", 0777) = 0 [pid 5956] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5955] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5955] chdir("./file0") = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5955] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] unlink("./7/binderfs" [pid 5955] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... unlink resumed>) = 0 [pid 5955] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5955] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [ 67.899760][ T5955] loop0: detected capacity change from 0 to 1024 [ 67.919151][ T5956] loop1: detected capacity change from 0 to 1024 [pid 5955] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5954] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... mount resumed>) = 0 [pid 5956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5956] chdir("./file0" [pid 5955] <... openat resumed>) = 4 [pid 5956] <... chdir resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5956] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = 0 [pid 5951] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = 1 [pid 5956] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5951] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5951] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5956] ftruncate(4, 33554441 [pid 5951] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5952] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] ftruncate(4, 33554441 [pid 5954] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... futex resumed>) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5953] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5952] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = 0 [pid 5952] <... mprotect resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5959 attached [ 67.954843][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 67.954854][ T1100] hfsplus: b-tree write err: -5, ino 4 => {parent_tid=[5959]}, 88) = 5959 [pid 5959] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5959] <... rseq resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5952] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5959] <... set_robust_list resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./7/file0", [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5959] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5953] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] <... unlinkat resumed>) = 0 [pid 5953] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5959] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5951] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 4 [pid 5959] <... futex resumed>) = 1 [pid 5954] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5954] <... futex resumed>) = 0 [pid 5952] exit_group(0 [pid 5951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] <... futex resumed>) = ? [pid 5952] <... exit_group resumed>) = ? [pid 5951] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5954] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5953] +++ exited with 0 +++ [pid 5951] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] getdents64(4, [pid 5951] <... mprotect resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5951] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5954] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] getdents64(4, [pid 5951] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5954] <... mprotect resumed>) = 0 [pid 5951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] close(4 [pid 5959] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ ./strace-static-x86_64: Process 5960 attached [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... close resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5951] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] rmdir("./7/file0" [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5961 attached [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] getdents64(3, [pid 5951] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5960] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5954] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5951] <... futex resumed>) = 0 [pid 5831] close(3 [pid 5961] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5960] <... rseq resumed>) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = 0 [pid 5961] <... rseq resumed>) = 0 [pid 5960] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5961] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5956] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5955] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5954] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] rmdir("./7" [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] newfstatat(3, "", [pid 5832] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5956] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] getdents64(3, [pid 5832] newfstatat(AT_FDCWD, "./7/file0", [pid 5961] <... unlinkat resumed>) = 0 [pid 5960] <... unlinkat resumed>) = 0 [pid 5955] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] mkdir("./8", 0777 [pid 5961] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5961] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5960] <... futex resumed>) = 1 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... mkdir resumed>) = 0 [pid 5961] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] exit_group(0 [pid 5951] exit_group(0 [pid 5833] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5832] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5961] <... futex resumed>) = ? [pid 5960] <... futex resumed>) = ? [pid 5956] <... futex resumed>) = ? [pid 5955] <... futex resumed>) = ? [pid 5954] <... exit_group resumed>) = ? [pid 5951] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5961] +++ exited with 0 +++ [pid 5960] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5954] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5833] unlink("./8/binderfs" [pid 5832] newfstatat(4, "", [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... unlink resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] close(3 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./7/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] rmdir("./7") = 0 [pid 5832] mkdir("./8", 0777 [pid 5830] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(3, "", [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(3 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./8/binderfs" [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5963 attached ./strace-static-x86_64: Process 5962 attached ) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5963] set_robust_list(0x5555832d26a0, 24 [pid 5829] getdents64(3, [pid 5963] <... set_robust_list resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5962] set_robust_list(0x5555832d26a0, 24 [pid 5963] chdir("./8" [pid 5962] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5962 [pid 5829] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] chdir("./8" [pid 5829] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5963] <... prctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] setpgid(0, 0) = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5963] write(3, "1000", 4) = 4 [pid 5963] close(3) = 0 [pid 5963] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5963] write(1, "executing program\n", 18) = 18 [pid 5963] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5963] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] unlink("./8/binderfs" [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... chdir resumed>) = 0 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5963 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5962] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./8/file0", [pid 5829] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] setpgid(0, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5962] <... setpgid resumed>) = 0 [ 68.094435][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 68.111603][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] newfstatat(AT_FDCWD, "./8/file0", ./strace-static-x86_64: Process 5964 attached [pid 5964] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5963] <... clone3 resumed> => {parent_tid=[5964]}, 88) = 5964 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5964] <... rseq resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... futex resumed>) = 0 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5964] memfd_create("syzkaller", 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 4 [pid 5962] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] write(3, "1000", 4 [pid 5833] <... openat resumed>) = 4 [pid 5962] <... write resumed>) = 4 [pid 5962] close(3 [pid 5833] newfstatat(4, "", [pid 5962] <... close resumed>) = 0 [pid 5962] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5964] <... memfd_create resumed>) = 3 [pid 5962] <... symlink resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] newfstatat(4, "", [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5964] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5833] close(4 [pid 5962] write(1, "executing program\n", 18 [pid 5833] <... close resumed>) = 0 executing program [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] rmdir("./8/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 5962] <... write resumed>) = 18 [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./8/file0") = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [pid 5830] rmdir("./8" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5833] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./8" [pid 5829] newfstatat(AT_FDCWD, "./8/file0", [pid 5830] mkdir("./9", 0777 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] mkdir("./9", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5962] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] newfstatat(4, "", [pid 5962] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... ioctl resumed>) = 0 [pid 5962] <... mprotect resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 68.145793][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5964] <... write resumed>) = 524288 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4./strace-static-x86_64: Process 5965 attached ) = 0 [pid 5964] munmap(0x7f3f93e00000, 138412032) = 0 ./strace-static-x86_64: Process 5966 attached [pid 5965] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5962] <... clone3 resumed> => {parent_tid=[5965]}, 88) = 5965 [pid 5833] <... close resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5966 [pid 5829] rmdir("./8/file0" [pid 5965] <... rseq resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5965] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5964] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... rmdir resumed>) = 0 [pid 5966] chdir("./9" [pid 5962] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5829] getdents64(3, ./strace-static-x86_64: Process 5967 attached [pid 5966] <... chdir resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... openat resumed>) = 4 [pid 5962] <... futex resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5967] set_robust_list(0x5555832d26a0, 24 [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] close(3 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5967 [pid 5966] <... prctl resumed>) = 0 [pid 5965] memfd_create("syzkaller", 0 [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] setpgid(0, 0 [pid 5965] <... memfd_create resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5966] <... setpgid resumed>) = 0 [pid 5965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] rmdir("./8" [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5967] chdir("./9" [pid 5966] write(3, "1000", 4 [pid 5965] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] mkdir("./9", 0777) = 0 [pid 5966] <... write resumed>) = 4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5967] <... chdir resumed>) = 0 [pid 5966] close(3 [pid 5965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... openat resumed>) = 3 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... close resumed>) = 0 [pid 5964] <... ioctl resumed>) = 0 [pid 5967] <... prctl resumed>) = 0 [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5964] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5967] setpgid(0, 0 [pid 5966] <... symlink resumed>) = 0 [pid 5964] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5967] <... setpgid resumed>) = 0 [pid 5966] write(1, "executing program\n", 18 [pid 5964] close(4executing program [pid 5829] close(3 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... write resumed>) = 18 [pid 5964] <... close resumed>) = 0 [pid 5964] mkdir("./file0", 0777 [pid 5967] <... openat resumed>) = 3 [pid 5966] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] write(3, "1000", 4 [pid 5966] <... futex resumed>) = 0 [pid 5964] <... mkdir resumed>) = 0 [pid 5967] <... write resumed>) = 4 [pid 5966] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5964] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] <... close resumed>) = 0 [pid 5967] close(3 [pid 5966] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5967] <... close resumed>) = 0 [pid 5966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] symlink("/dev/binderfs", "./binderfs" [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5968 attached [pid 5967] <... symlink resumed>) = 0 executing program [pid 5966] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5965] <... write resumed>) = 524288 [pid 5968] set_robust_list(0x5555832d26a0, 24 [pid 5967] write(1, "executing program\n", 18 [pid 5965] munmap(0x7f3f93e00000, 138412032 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] <... write resumed>) = 18 [pid 5966] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5965] <... munmap resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5968 [pid 5968] chdir("./9" [pid 5967] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... mprotect resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5968] <... chdir resumed>) = 0 [pid 5967] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5969 attached [pid 5968] <... prctl resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... openat resumed>) = 4 [ 68.231301][ T5964] loop2: detected capacity change from 0 to 1024 [pid 5969] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5968] setpgid(0, 0 [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] <... clone3 resumed> => {parent_tid=[5969]}, 88) = 5969 [pid 5965] ioctl(4, LOOP_SET_FD, 3 [pid 5964] <... mount resumed>) = 0 [pid 5969] <... rseq resumed>) = 0 [pid 5968] <... setpgid resumed>) = 0 [pid 5967] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5969] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5969] <... set_robust_list resumed>) = 0 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] <... openat resumed>) = 3 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... openat resumed>) = 3 [pid 5966] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] chdir("./file0" [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] write(3, "1000", 4 [pid 5967] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5966] <... futex resumed>) = 0 [pid 5964] <... chdir resumed>) = 0 [pid 5969] memfd_create("syzkaller", 0 [pid 5968] <... write resumed>) = 4 [pid 5967] <... mprotect resumed>) = 0 [pid 5966] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5964] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5968] close(3 [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5964] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5968] <... close resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5964] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] symlink("/dev/binderfs", "./binderfs" [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5964] <... futex resumed>) = 1 [pid 5968] <... symlink resumed>) = 0 [pid 5964] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] write(1, "executing program\n", 18 [pid 5967] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5968] <... write resumed>) = 18 ./strace-static-x86_64: Process 5970 attached [pid 5969] <... memfd_create resumed>) = 3 [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... futex resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5967] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5967] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5970] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5969] <... mmap resumed>) = 0x7f3f93e00000 [pid 5965] <... ioctl resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5970] <... rseq resumed>) = 0 [pid 5968] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5965] close(3 [pid 5963] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5968] <... mprotect resumed>) = 0 [pid 5965] <... close resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] close(4 [pid 5964] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5963] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] <... close resumed>) = 0 [pid 5964] <... openat resumed>) = 4 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] mkdir("./file0", 0777 [pid 5970] memfd_create("syzkaller", 0 [pid 5969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5965] <... mkdir resumed>) = 0 [pid 5964] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... memfd_create resumed>) = 3 [pid 5968] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... mmap resumed>) = 0x7f3f93e00000 [pid 5968] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5968] <... futex resumed>) = 0 [pid 5965] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5971 attached [pid 5971] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5969] <... write resumed>) = 524288 [pid 5964] <... futex resumed>) = 1 [pid 5971] <... rseq resumed>) = 0 [pid 5971] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5964] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... futex resumed>) = 0 [pid 5963] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... set_robust_list resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [ 68.285778][ T5965] loop3: detected capacity change from 0 to 1024 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] <... write resumed>) = 524288 [pid 5969] munmap(0x7f3f93e00000, 138412032 [pid 5964] ftruncate(4, 33554441 [pid 5963] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] memfd_create("syzkaller", 0) = 3 [pid 5969] <... munmap resumed>) = 0 [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5971] <... mmap resumed>) = 0x7f3f93e00000 [pid 5970] munmap(0x7f3f93e00000, 138412032 [pid 5969] <... openat resumed>) = 4 [pid 5969] ioctl(4, LOOP_SET_FD, 3 [pid 5970] <... munmap resumed>) = 0 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5970] <... openat resumed>) = 4 [pid 5965] <... mount resumed>) = 0 [pid 5970] ioctl(4, LOOP_SET_FD, 3 [pid 5965] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5965] chdir("./file0") = 0 [pid 5971] <... write resumed>) = 524288 [pid 5969] <... ioctl resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5969] close(3) = 0 [pid 5965] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5965] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] munmap(0x7f3f93e00000, 138412032 [pid 5969] close(4) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5965] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5962] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] mkdir("./file0", 0777 [pid 5965] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] <... mkdir resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] ftruncate(4, 33554441 [pid 5971] <... munmap resumed>) = 0 [pid 5969] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5970] <... ioctl resumed>) = 0 [pid 5963] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... openat resumed>) = 4 [pid 5970] close(3 [pid 5963] <... futex resumed>) = 0 [pid 5970] <... close resumed>) = 0 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5971] ioctl(4, LOOP_SET_FD, 3 [pid 5963] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5970] close(4) = 0 [pid 5970] mkdir("./file0", 0777) = 0 [pid 5970] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5963] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5972 attached => {parent_tid=[5972]}, 88) = 5972 [pid 5972] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] <... rseq resumed>) = 0 [pid 5964] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5971] <... ioctl resumed>) = 0 [pid 5969] <... mount resumed>) = 0 [pid 5964] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5963] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] <... openat resumed>) = 3 [pid 5964] <... futex resumed>) = 0 [pid 5972] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5971] close(3 [pid 5969] chdir("./file0" [pid 5972] <... unlinkat resumed>) = 0 [pid 5969] <... chdir resumed>) = 0 [pid 5971] <... close resumed>) = 0 [pid 5969] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5964] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] close(4 [pid 5969] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] <... futex resumed>) = 1 [pid 5971] <... close resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5972] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] mkdir("./file0", 0777 [pid 5969] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] exit_group(0 [pid 5971] <... mkdir resumed>) = 0 [pid 5969] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5963] <... exit_group resumed>) = ? [pid 5972] <... futex resumed>) = ? [pid 5969] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... futex resumed>) = ? [pid 5972] +++ exited with 0 +++ [pid 5970] <... mount resumed>) = 0 [pid 5966] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5970] chdir("./file0") = 0 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5964] +++ exited with 0 +++ [pid 5963] +++ exited with 0 +++ [pid 5971] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [ 68.359609][ T5969] loop1: detected capacity change from 0 to 1024 [ 68.370126][ T5970] loop4: detected capacity change from 0 to 1024 [ 68.392763][ T5971] loop0: detected capacity change from 0 to 1024 [pid 5969] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5970] <... futex resumed>) = 1 [pid 5969] <... openat resumed>) = 4 [pid 5962] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5967] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5967] <... futex resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5971] <... mount resumed>) = 0 [pid 5970] <... openat resumed>) = 4 [pid 5969] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5962] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5971] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5969] <... futex resumed>) = 1 [pid 5965] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... openat resumed>) = 3 [pid 5969] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... openat resumed>) = 3 [pid 5970] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5962] <... mprotect resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5971] chdir("./file0" [pid 5970] ftruncate(4, 33554441 [pid 5969] <... futex resumed>) = 0 [pid 5967] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... chdir resumed>) = 0 [pid 5969] ftruncate(4, 33554441 [pid 5967] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5967] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(3, [pid 5971] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5971] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5971] <... futex resumed>) = 1 [pid 5962] <... clone3 resumed> => {parent_tid=[5973]}, 88) = 5973 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5973 attached [pid 5971] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5973] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5962] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] unlink("./8/binderfs" [pid 5962] <... futex resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5962] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5973] <... rseq resumed>) = 0 [pid 5968] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5971] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5973] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5971] <... openat resumed>) = 4 [pid 5971] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5971] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5971] ftruncate(4, 33554441 [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5973] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] exit_group(0 [pid 5973] <... futex resumed>) = ? [pid 5962] <... exit_group resumed>) = ? [pid 5973] +++ exited with 0 +++ [pid 5965] <... futex resumed>) = ? [pid 5965] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5970] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5967] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5832] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5967] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5966] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5967] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5966] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... openat resumed>) = 3 [pid 5967] <... mprotect resumed>) = 0 [pid 5966] <... mprotect resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5975 attached [pid 5970] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(3, [pid 5970] <... futex resumed>) = 0 [pid 5967] <... clone3 resumed> => {parent_tid=[5974]}, 88) = 5974 [pid 5966] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 ./strace-static-x86_64: Process 5974 attached [pid 5975] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5970] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... umount2 resumed>) = 0 [pid 5974] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5832] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] <... rseq resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5832] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] <... set_robust_list resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] unlink("./8/binderfs" [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rseq resumed>) = 0 [pid 5974] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... unlink resumed>) = 0 [pid 5975] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5967] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 1 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5967] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(AT_FDCWD, "./8/file0", [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5975] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5974] <... unlinkat resumed>) = 0 [pid 5966] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5975] <... unlinkat resumed>) = 0 [pid 5975] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5975] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5968] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5974] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5968] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5967] <... futex resumed>) = 0 [pid 5974] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5968] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5967] exit_group(0 [pid 5970] <... futex resumed>) = ? [pid 5968] <... mprotect resumed>) = 0 [pid 5967] <... exit_group resumed>) = ? [pid 5831] <... openat resumed>) = 4 [pid 5970] +++ exited with 0 +++ [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5976 attached [pid 5974] <... futex resumed>) = ? [pid 5831] newfstatat(4, "", [pid 5976] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5968] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5976] <... rseq resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5976] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5974] +++ exited with 0 +++ [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] +++ exited with 0 +++ [pid 5831] getdents64(4, [pid 5976] <... set_robust_list resumed>) = 0 [pid 5968] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... futex resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... restart_syscall resumed>) = 0 [pid 5976] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5971] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5969] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] getdents64(4, [pid 5976] <... unlinkat resumed>) = 0 [pid 5976] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5833] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 5976] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] rmdir("./8/file0" [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5971] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3 [pid 5971] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] exit_group(0 [pid 5833] unlink("./9/binderfs" [pid 5976] <... futex resumed>) = ? [pid 5969] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... exit_group resumed>) = ? [pid 5966] exit_group(0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5976] +++ exited with 0 +++ [pid 5975] <... futex resumed>) = ? [pid 5971] +++ exited with 0 +++ [pid 5969] <... futex resumed>) = ? [pid 5966] <... exit_group resumed>) = ? [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./8" [pid 5975] +++ exited with 0 +++ [pid 5969] +++ exited with 0 +++ [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./9", 0777 [pid 5966] +++ exited with 0 +++ [pid 5831] <... mkdir resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [ 68.500423][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 68.530529][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5968] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./8/file0", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5830] unlink("./9/binderfs" [pid 5829] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./8/file0" [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./9/file0", [pid 5832] getdents64(3, [pid 5829] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] close(3 [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./8" [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./9/file0", [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 4 [pid 5832] mkdir("./9", 0777 [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5830] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5977 attached [pid 5833] newfstatat(4, "", [pid 5832] <... mkdir resumed>) = 0 [pid 5829] unlink("./9/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(4, "", [pid 5977] set_robust_list(0x5555832d26a0, 24 [pid 5833] getdents64(4, [pid 5829] <... unlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5977 [ 68.566770][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 68.594456][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5829] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5977] chdir("./9" [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] getdents64(4, [pid 5977] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] close(4 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5977] <... prctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(4, [pid 5977] setpgid(0, 0 [pid 5833] rmdir("./9/file0" [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./9/file0" [pid 5977] <... setpgid resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./9") = 0 [pid 5830] mkdir("./10", 0777 [pid 5833] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./9") = 0 [pid 5833] mkdir("./10", 0777 [pid 5830] <... mkdir resumed>) = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5977] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5978 attached [pid 5977] write(3, "1000", 4 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... write resumed>) = 4 [pid 5830] close(3 [pid 5829] newfstatat(AT_FDCWD, "./9/file0", [pid 5978] set_robust_list(0x5555832d26a0, 24 [pid 5977] close(3 [pid 5833] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5978 [pid 5829] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5977] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... symlink resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program ) = 4 [pid 5977] write(1, "executing program\n", 18) = 18 [pid 5829] newfstatat(4, "", [pid 5977] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5829] getdents64(4, [pid 5977] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5978] chdir("./9" [pid 5977] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] close(4 [pid 5977] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... close resumed>) = 0 [pid 5977] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] rmdir("./9/file0" [pid 5977] <... mprotect resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [ 68.629240][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] getdents64(3, [pid 5977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5978] <... chdir resumed>) = 0 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5979 attached [pid 5979] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... clone3 resumed> => {parent_tid=[5979]}, 88) = 5979 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5979] <... rseq resumed>) = 0 [pid 5978] <... prctl resumed>) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5980 [pid 5829] close(3 [pid 5979] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5978] setpgid(0, 0 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... close resumed>) = 0 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] <... setpgid resumed>) = 0 [pid 5977] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5981 attached ./strace-static-x86_64: Process 5980 attached [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] <... futex resumed>) = 0 [pid 5829] rmdir("./9" [pid 5980] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... openat resumed>) = 3 [pid 5977] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... rmdir resumed>) = 0 [pid 5980] chdir("./10" [pid 5979] memfd_create("syzkaller", 0 [pid 5978] write(3, "1000", 4 [pid 5981] set_robust_list(0x5555832d26a0, 24 [pid 5980] <... chdir resumed>) = 0 [pid 5979] <... memfd_create resumed>) = 3 [pid 5978] <... write resumed>) = 4 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5981 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5978] close(3 [pid 5829] mkdir("./10", 0777 [pid 5981] chdir("./10" [pid 5980] <... prctl resumed>) = 0 [pid 5979] <... mmap resumed>) = 0x7f3f93e00000 [pid 5978] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5981] <... chdir resumed>) = 0 [pid 5980] setpgid(0, 0 [pid 5978] symlink("/dev/binderfs", "./binderfs"executing program [pid 5980] <... setpgid resumed>) = 0 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5978] <... symlink resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5978] write(1, "executing program\n", 18 [pid 5981] <... prctl resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] <... write resumed>) = 18 [pid 5829] <... openat resumed>) = 3 [pid 5981] setpgid(0, 0 [pid 5978] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5980] <... openat resumed>) = 3 [pid 5981] <... setpgid resumed>) = 0 [pid 5979] <... write resumed>) = 524288 [pid 5980] write(3, "1000", 4 [pid 5978] <... futex resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... write resumed>) = 4 [pid 5978] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5829] close(3 [pid 5980] close(3 [pid 5978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... close resumed>) = 0 [pid 5981] <... openat resumed>) = 3 [pid 5981] write(3, "1000", 4 [pid 5980] <... close resumed>) = 0 [pid 5979] munmap(0x7f3f93e00000, 138412032 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5981] <... write resumed>) = 4 [pid 5980] symlink("/dev/binderfs", "./binderfs" [pid 5979] <... munmap resumed>) = 0 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5982 attached [pid 5981] close(3 [pid 5980] <... symlink resumed>) = 0 [pid 5978] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5980] write(1, "executing program\n", 18executing program [pid 5978] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5980] <... write resumed>) = 18 [pid 5978] <... mprotect resumed>) = 0 executing program [pid 5981] <... close resumed>) = 0 [pid 5980] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5980] <... futex resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5981] <... symlink resumed>) = 0 [pid 5980] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5979] <... openat resumed>) = 4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5983 attached [pid 5981] write(1, "executing program\n", 18 [pid 5980] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5979] ioctl(4, LOOP_SET_FD, 3 [pid 5983] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5982] set_robust_list(0x5555832d26a0, 24 [pid 5981] <... write resumed>) = 18 [pid 5980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5978] <... clone3 resumed> => {parent_tid=[5983]}, 88) = 5983 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5982 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] chdir("./10" [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... chdir resumed>) = 0 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5982] <... prctl resumed>) = 0 [pid 5982] setpgid(0, 0) = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5982] write(3, "1000", 4) = 4 [pid 5982] close(3) = 0 [pid 5982] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5982] write(1, "executing program\n", 18 [pid 5983] <... rseq resumed>) = 0 [pid 5981] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] <... ioctl resumed>) = 0 [pid 5978] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 5983] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5982] <... write resumed>) = 18 [pid 5981] <... futex resumed>) = 0 [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] close(3 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5980] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5979] <... close resumed>) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] <... futex resumed>) = 0 [pid 5981] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5980] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5979] close(4 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5980] <... mprotect resumed>) = 0 [pid 5979] <... close resumed>) = 0 [pid 5983] memfd_create("syzkaller", 0 [pid 5982] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5979] mkdir("./file0", 0777 [pid 5983] <... memfd_create resumed>) = 3 [pid 5982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5979] <... mkdir resumed>) = 0 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5981] <... mmap resumed>) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5983] <... mmap resumed>) = 0x7f3f93e00000 [pid 5982] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5981] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5979] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"..../strace-static-x86_64: Process 5984 attached [pid 5983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5982] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5984] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5980] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984 [pid 5984] <... rseq resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] <... mprotect resumed>) = 0 [pid 5984] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5982] <... mprotect resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5980] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5985 attached ) = 0 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... clone3 resumed> => {parent_tid=[5985]}, 88) = 5985 [pid 5981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5980] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5985] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5984] memfd_create("syzkaller", 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5985] <... rseq resumed>) = 0 [pid 5984] <... memfd_create resumed>) = 3 [pid 5983] <... write resumed>) = 524288 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5979] <... mount resumed>) = 0 [pid 5985] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5986 attached ) = 0 [pid 5981] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5979] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5986] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... rseq resumed>) = 0 [pid 5979] <... openat resumed>) = 3 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5986] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5981] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] chdir("./file0" [pid 5986] <... set_robust_list resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] <... mmap resumed>) = 0x7f3f93e00000 [pid 5982] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5981] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] <... chdir resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] memfd_create("syzkaller", 0 [pid 5979] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5985] <... memfd_create resumed>) = 3 [pid 5979] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] memfd_create("syzkaller", 0 [pid 5985] <... mmap resumed>) = 0x7f3f93e00000 [ 68.745378][ T5979] loop2: detected capacity change from 0 to 1024 [pid 5979] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... memfd_create resumed>) = 3 [pid 5979] <... futex resumed>) = 1 [pid 5979] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5983] munmap(0x7f3f93e00000, 138412032 [pid 5977] <... futex resumed>) = 0 [pid 5983] <... munmap resumed>) = 0 [pid 5977] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 1 [pid 5983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5979] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5977] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... openat resumed>) = 4 [pid 5986] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5983] <... openat resumed>) = 4 [pid 5979] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5983] ioctl(4, LOOP_SET_FD, 3 [pid 5977] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] ftruncate(4, 33554441 [pid 5977] <... futex resumed>) = 0 [pid 5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5977] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... write resumed>) = 524288 [pid 5984] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5986] <... write resumed>) = 524288 [pid 5983] <... ioctl resumed>) = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5986] munmap(0x7f3f93e00000, 138412032 [pid 5985] <... write resumed>) = 524288 [pid 5983] close(3 [pid 5984] <... ioctl resumed>) = 0 [pid 5986] <... munmap resumed>) = 0 [pid 5985] munmap(0x7f3f93e00000, 138412032 [pid 5983] <... close resumed>) = 0 [pid 5979] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5984] close(3 [pid 5983] close(4 [pid 5979] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... close resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5979] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5984] close(4 [pid 5979] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... close resumed>) = 0 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5984] mkdir("./file0", 0777 [pid 5979] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5977] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... mkdir resumed>) = 0 [pid 5979] <... unlinkat resumed>) = 0 [pid 5984] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5979] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5985] <... munmap resumed>) = 0 [pid 5984] <... mount resumed>) = 0 [pid 5983] mkdir("./file0", 0777 [pid 5986] <... openat resumed>) = 4 [pid 5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5984] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5979] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5983] <... mkdir resumed>) = 0 [pid 5986] ioctl(4, LOOP_SET_FD, 3 [pid 5985] <... openat resumed>) = 4 [pid 5983] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5985] ioctl(4, LOOP_SET_FD, 3 [pid 5977] exit_group(0) = ? [ 68.813867][ T5983] loop3: detected capacity change from 0 to 1024 [ 68.837046][ T5984] loop1: detected capacity change from 0 to 1024 [pid 5984] <... openat resumed>) = 3 [pid 5984] chdir("./file0") = 0 [pid 5979] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5984] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5984] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5984] <... futex resumed>) = 1 [pid 5984] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5980] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5980] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(3, "", [pid 5984] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5984] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5980] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5984] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5984] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5984] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5984] ftruncate(4, 33554441 [pid 5980] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5831] unlink("./9/binderfs" [pid 5980] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5985] <... ioctl resumed>) = 0 [pid 5986] <... ioctl resumed>) = 0 [pid 5983] <... mount resumed>) = 0 [pid 5983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5983] chdir("./file0" [pid 5985] close(3 [pid 5983] <... chdir resumed>) = 0 [pid 5986] close(3 [pid 5985] <... close resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5986] <... close resumed>) = 0 [pid 5985] close(4 [pid 5986] close(4 [pid 5983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] <... close resumed>) = 0 [pid 5986] mkdir("./file0", 0777 [pid 5985] <... close resumed>) = 0 [pid 5983] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... mkdir resumed>) = 0 [pid 5985] mkdir("./file0", 0777 [pid 5983] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5978] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... mkdir resumed>) = 0 [pid 5983] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5978] <... futex resumed>) = 0 [pid 5978] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5985] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5983] <... openat resumed>) = 4 [pid 5983] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5983] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... futex resumed>) = 0 [pid 5983] ftruncate(4, 33554441 [pid 5978] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... umount2 resumed>) = 0 [pid 5980] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5980] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5831] newfstatat(AT_FDCWD, "./9/file0", [pid 5980] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5980] <... mprotect resumed>) = 0 [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... mount resumed>) = 0 [pid 5985] <... mount resumed>) = 0 [pid 5984] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5985] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5984] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5984] <... futex 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5986] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5985] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5987 attached [pid 5984] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... openat resumed>) = 4 [pid 5987] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5980] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 [pid 5987] <... rseq resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] newfstatat(4, "", [pid 5987] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5980] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, [pid 5980] <... futex resumed>) = 0 [ 68.880182][ T5985] loop0: detected capacity change from 0 to 1024 [ 68.887000][ T5986] loop4: detected capacity change from 0 to 1024 [ 68.903666][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... openat resumed>) = 3 [pid 5985] chdir("./file0" [pid 5980] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5986] chdir("./file0" [pid 5985] <... chdir resumed>) = 0 [pid 5986] <... chdir resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5986] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5985] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5985] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5831] getdents64(4, [pid 5987] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5986] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... futex resumed>) = 0 [pid 5981] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5987] <... unlinkat resumed>) = 0 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5982] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] <... futex resumed>) = 0 [pid 5831] close(4 [pid 5986] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5987] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... openat resumed>) = 4 [pid 5985] <... openat resumed>) = 4 [pid 5981] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... close resumed>) = 0 [pid 5987] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5987] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] exit_group(0 [pid 5831] rmdir("./9/file0" [pid 5987] <... futex resumed>) = ? [pid 5985] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... exit_group resumed>) = ? [pid 5987] +++ exited with 0 +++ [pid 5986] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] ftruncate(4, 33554441 [pid 5984] <... futex resumed>) = ? [pid 5982] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5986] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] +++ exited with 0 +++ [pid 5981] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] +++ exited with 0 +++ [pid 5831] getdents64(3, [pid 5981] <... futex resumed>) = 0 [pid 5982] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] close(3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5986] ftruncate(4, 33554441 [pid 5978] <... futex resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5831] rmdir("./9" [pid 5830] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5978] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] mkdir("./10", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5978] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] unlink("./10/binderfs" [pid 5978] <... mprotect resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5983] <... futex resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5983] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5988 attached [pid 5978] <... clone3 resumed> => {parent_tid=[5988]}, 88) = 5988 [pid 5831] close(3 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... close resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5988] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 5988] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5978] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5989 attached [pid 5988] <... unlinkat resumed>) = 0 [pid 5988] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5978] exit_group(0 [pid 5983] <... futex resumed>) = ? [pid 5978] <... exit_group resumed>) = ? [pid 5989] set_robust_list(0x5555832d26a0, 24 [pid 5985] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5983] +++ exited with 0 +++ [pid 5981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 5989 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5981] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] chdir("./10" [pid 5988] +++ exited with 0 +++ [pid 5985] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5981] <... futex resumed>) = 0 [pid 5978] +++ exited with 0 +++ [pid 5989] <... chdir resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] <... prctl resumed>) = 0 [pid 5981] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5989] setpgid(0, 0 [pid 5982] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... setpgid resumed>) = 0 [pid 5985] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5982] <... futex resumed>) = 0 [pid 5981] <... mprotect resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... unlinkat resumed>) = 0 [pid 5982] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5989] <... openat resumed>) = 3 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", ./strace-static-x86_64: Process 5990 attached [pid 5989] write(3, "1000", 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5990] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5989] <... write resumed>) = 4 [pid 5985] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... clone3 resumed> => {parent_tid=[5990]}, 88) = 5990 [pid 5832] getdents64(3, [pid 5990] <... rseq resumed>) = 0 [pid 5989] close(3 [pid 5985] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5990] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5989] <... close resumed>) = 0 [pid 5985] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] exit_group(0 [pid 5832] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5989] symlink("/dev/binderfs", "./binderfs"executing program [pid 5982] <... exit_group resumed>) = ? [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... symlink resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] write(1, "executing program\n", 18 [pid 5985] <... futex resumed>) = ? [pid 5981] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5989] <... write resumed>) = 18 [pid 5832] unlink("./9/binderfs") = 0 [pid 5832] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 69.017009][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5985] +++ exited with 0 +++ [pid 5982] +++ exited with 0 +++ [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5981] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5990] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5990] <... unlinkat resumed>) = 0 [pid 5989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... restart_syscall resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5990] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] newfstatat(AT_FDCWD, "./10/file0", [pid 5829] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5990] <... futex resumed>) = 1 [pid 5989] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5981] <... futex resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5989] <... mprotect resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] newfstatat(4, "", [pid 5829] getdents64(3, ./strace-static-x86_64: Process 5991 attached [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5991] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5989] <... clone3 resumed> => {parent_tid=[5991]}, 88) = 5991 [pid 5829] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5991] <... rseq resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5991] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... futex resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] unlink("./10/binderfs" [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5991] memfd_create("syzkaller", 0 [pid 5830] close(4 [pid 5829] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5991] <... memfd_create resumed>) = 3 [pid 5986] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5986] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] exit_group(0 [pid 5830] rmdir("./10/file0" [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5990] <... futex resumed>) = ? [pid 5986] <... futex resumed>) = ? [pid 5981] <... exit_group resumed>) = ? [pid 5830] <... rmdir resumed>) = 0 [pid 5991] <... mmap resumed>) = 0x7f3f93e00000 [pid 5990] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] close(3) = 0 [pid 5830] rmdir("./10") = 0 [pid 5830] mkdir("./11", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 5991] <... write resumed>) = 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5991] munmap(0x7f3f93e00000, 138412032 [pid 5833] getdents64(3, [pid 5829] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5991] <... munmap resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] newfstatat(AT_FDCWD, "./9/file0", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5991] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5991] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 5991] ioctl(4, LOOP_SET_FD, 3 [ 69.065228][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 69.090277][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5829] newfstatat(4, "", [pid 5833] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5833] unlink("./10/binderfs" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(4, "", [pid 5991] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5992 attached [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] close(4 [pid 5992] set_robust_list(0x5555832d26a0, 24 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5992] <... set_robust_list resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5991] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 5992 [pid 5829] <... close resumed>) = 0 [pid 5992] chdir("./11" [pid 5991] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5829] rmdir("./10/file0" [pid 5992] <... chdir resumed>) = 0 [pid 5991] close(4 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] <... close resumed>) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./9/file0" [pid 5829] getdents64(3, [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5832] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./10" [pid 5832] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5992] <... prctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] mkdir("./11", 0777 [pid 5992] setpgid(0, 0 [pid 5991] mkdir("./file0", 0777 [pid 5832] rmdir("./9" [pid 5829] <... mkdir resumed>) = 0 [pid 5992] <... setpgid resumed>) = 0 [pid 5991] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5992] <... openat resumed>) = 3 [pid 5991] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... umount2 resumed>) = 0 [pid 5832] mkdir("./10", 0777 [pid 5829] <... ioctl resumed>) = 0 [pid 5992] write(3, "1000", 4 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 5992] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5992] close(3) = 0 [pid 5992] symlink("/dev/binderfs", "./binderfs" [pid 5833] newfstatat(AT_FDCWD, "./10/file0", [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5992] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5992] write(1, "executing program\n", 18 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5992] <... write resumed>) = 18 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5992] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(3executing program [pid 5992] <... futex resumed>) = 0 [pid 5992] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5993 attached [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5993] set_robust_list(0x5555832d26a0, 24 [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... openat resumed>) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 5993 [pid 5992] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5993] chdir("./11" [pid 5833] getdents64(4, [pid 5993] <... chdir resumed>) = 0 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5993] <... prctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5993] setpgid(0, 0 [pid 5992] <... mprotect resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5993] <... setpgid resumed>) = 0 [pid 5833] close(4 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 ./strace-static-x86_64: Process 5994 attached [pid 5993] <... openat resumed>) = 3 [pid 5992] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 5994 [pid 5833] rmdir("./10/file0" [pid 5994] set_robust_list(0x5555832d26a0, 24 [pid 5992] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5991] <... mount resumed>) = 0 [pid 5993] write(3, "1000", 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5993] <... write resumed>) = 4 [pid 5993] close(3 [pid 5992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] getdents64(3, [pid 5993] <... close resumed>) = 0 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] symlink("/dev/binderfs", "./binderfs" [pid 5991] <... openat resumed>) = 3 [ 69.127731][ T5991] loop2: detected capacity change from 0 to 1024 [ 69.150857][ T1141] hfsplus: b-tree write err: -5, ino 4 ./strace-static-x86_64: Process 5995 attached [pid 5994] chdir("./10" [pid 5992] <... clone3 resumed> => {parent_tid=[5995]}, 88) = 5995 [pid 5991] chdir("./file0" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 executing program [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5993] <... symlink resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5995] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5993] write(1, "executing program\n", 18 [pid 5992] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... close resumed>) = 0 [pid 5995] <... rseq resumed>) = 0 [pid 5994] <... chdir resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5991] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... write resumed>) = 18 [pid 5833] rmdir("./10" [pid 5995] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5991] <... futex resumed>) = 1 [pid 5994] <... prctl resumed>) = 0 [pid 5991] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] setpgid(0, 0) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5994] write(3, "1000", 4) = 4 [pid 5994] close(3 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... close resumed>) = 0 [pid 5993] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 5989] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] memfd_create("syzkaller", 0 [pid 5994] <... symlink resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5833] mkdir("./11", 0777 [pid 5995] <... memfd_create resumed>) = 3 [pid 5994] write(1, "executing program\n", 18 [pid 5993] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5991] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5989] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5994] <... write resumed>) = 18 [pid 5993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5991] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5991] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5995] <... mmap resumed>) = 0x7f3f93e00000 [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5989] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5989] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5991] ftruncate(4, 33554441 [pid 5994] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 5996 attached [pid 5995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5994] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5994] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5996] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5994] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5996] <... rseq resumed>) = 0 [pid 5996] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5996] memfd_create("syzkaller", 0 [pid 5993] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5996] <... memfd_create resumed>) = 3 [pid 5993] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... ioctl resumed>) = 0 [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5993] <... mprotect resumed>) = 0 [pid 5833] close(3 [pid 5996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... close resumed>) = 0 [pid 5996] munmap(0x7f3f93e00000, 138412032 [pid 5995] <... write resumed>) = 524288 [pid 5996] <... munmap resumed>) = 0 [pid 5996] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5995] munmap(0x7f3f93e00000, 138412032 [pid 5996] ioctl(4, LOOP_SET_FD, 3 [pid 5995] <... munmap resumed>) = 0 [pid 5993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5997 attached ) = 4 [pid 5995] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5998 attached [pid 5993] <... clone3 resumed> => {parent_tid=[5998]}, 88) = 5998 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 5997 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5998] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5993] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] <... rseq resumed>) = 0 [pid 5993] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5998] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5997] set_robust_list(0x5555832d26a0, 24 [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] chdir("./11" [pid 5991] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5989] <... futex resumed>) = 0 [pid 5998] memfd_create("syzkaller", 0 [pid 5991] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] <... memfd_create resumed>) = 3 [pid 5991] <... futex resumed>) = 0 [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... mmap resumed>) = 0x7f3f93e00000 [pid 5997] <... chdir resumed>) = 0 [pid 5989] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5997] <... prctl resumed>) = 0 [pid 5989] <... mprotect resumed>) = 0 [pid 5997] setpgid(0, 0 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5997] <... setpgid resumed>) = 0 [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 5999 attached [pid 5997] <... openat resumed>) = 3 [pid 5997] write(3, "1000", 4 [pid 5989] <... clone3 resumed> => {parent_tid=[5999]}, 88) = 5999 [pid 5997] <... write resumed>) = 4 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] close(3 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... close resumed>) = 0 [pid 5989] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] symlink("/dev/binderfs", "./binderfs" [pid 5989] <... futex resumed>) = 0 [pid 5999] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5997] <... symlink resumed>) = 0 [pid 5989] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... rseq resumed>) = 0 [pid 5997] write(1, "executing program\n", 18 [pid 5999] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5997] <... write resumed>) = 18 executing program [pid 5999] <... set_robust_list resumed>) = 0 [pid 5997] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] <... futex resumed>) = 0 [pid 5996] <... ioctl resumed>) = 0 [pid 5995] <... ioctl resumed>) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5996] close(3 [pid 5995] close(3 [pid 5999] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5996] <... close resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5996] close(4 [pid 5998] <... write resumed>) = 524288 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... close resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5998] munmap(0x7f3f93e00000, 138412032 [pid 5996] mkdir("./file0", 0777 [pid 5999] <... unlinkat resumed>) = 0 [pid 5998] <... munmap resumed>) = 0 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] <... mkdir resumed>) = 0 [ 69.259969][ T5996] loop3: detected capacity change from 0 to 1024 [ 69.271078][ T5995] loop1: detected capacity change from 0 to 1024 [pid 5995] close(4 [pid 5999] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5997] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5996] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5995] <... close resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5998] <... openat resumed>) = 4 [pid 5997] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5989] <... futex resumed>) = 0 [pid 5999] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] ioctl(4, LOOP_SET_FD, 3 [pid 5997] <... mprotect resumed>) = 0 [pid 5995] mkdir("./file0", 0777 [pid 5989] exit_group(0 [pid 5995] <... mkdir resumed>) = 0 [pid 5991] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 5999] <... futex resumed>) = ? [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] +++ exited with 0 +++ [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6000]}, 88) = 6000 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5997] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5997] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5998] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6000 attached [pid 5991] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 6000] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5998] close(3 [pid 5996] <... mount resumed>) = 0 [pid 5995] <... mount resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 6000] <... rseq resumed>) = 0 [pid 6000] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5998] close(4 [pid 5996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5995] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6000] <... set_robust_list resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5995] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] mkdir("./file0", 0777 [pid 5831] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] <... mkdir resumed>) = 0 [pid 5996] chdir("./file0" [pid 5995] chdir("./file0" [pid 5831] <... openat resumed>) = 3 [pid 6000] memfd_create("syzkaller", 0 [pid 5996] <... chdir resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6000] <... memfd_create resumed>) = 3 [pid 5996] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5995] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5998] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] getdents64(3, [pid 6000] <... mmap resumed>) = 0x7f3f93e00000 [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5996] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5996] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5995] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5994] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] unlink("./10/binderfs" [pid 6000] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5996] <... openat resumed>) = 4 [pid 5995] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5996] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [ 69.328470][ T5998] loop0: detected capacity change from 0 to 1024 [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5996] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5996] ftruncate(4, 33554441 [pid 5995] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] <... futex resumed>) = 0 [pid 5995] ftruncate(4, 33554441 [pid 5992] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... write resumed>) = 524288 [pid 5998] <... mount resumed>) = 0 [pid 5998] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5998] chdir("./file0") = 0 [pid 5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5998] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5998] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] munmap(0x7f3f93e00000, 138412032 [pid 5993] <... futex resumed>) = 0 [pid 6000] <... munmap resumed>) = 0 [pid 5993] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6000] ioctl(4, LOOP_SET_FD, 3 [pid 5998] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 1 [pid 5831] <... umount2 resumed>) = 0 [pid 5998] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5993] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5998] <... openat resumed>) = 4 [pid 6000] <... ioctl resumed>) = 0 [pid 5998] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5998] <... futex resumed>) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./10/file0", [pid 5998] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5998] ftruncate(4, 33554441 [pid 5993] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6000] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6000] close(4) = 0 [pid 6000] mkdir("./file0", 0777) = 0 [pid 6000] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5992] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 4 [pid 5994] <... mprotect resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] newfstatat(4, "", [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5994] <... clone3 resumed> => {parent_tid=[6001]}, 88) = 6001 [pid 5992] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6001 attached [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] <... mprotect resumed>) = 0 [pid 5831] getdents64(4, [pid 6001] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] <... rseq resumed>) = 0 [pid 5994] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6001] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5994] <... futex resumed>) = 0 [pid 5992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] getdents64(4, ./strace-static-x86_64: Process 6002 attached [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] <... mount resumed>) = 0 [pid 5994] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6002] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] close(4 [pid 6002] <... rseq resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 6002] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6001] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6000] <... openat resumed>) = 3 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... close resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6000] chdir("./file0" [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... chdir resumed>) = 0 [pid 5992] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./10/file0" [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6002] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6000] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5992] <... futex resumed>) = 0 [pid 6000] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... rmdir resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5831] getdents64(3, [pid 6000] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... unlinkat resumed>) = 0 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6002] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5997] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 69.379522][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 69.404880][ T6000] loop4: detected capacity change from 0 to 1024 [pid 6002] <... futex resumed>) = 1 [pid 6000] <... openat resumed>) = 4 [pid 5992] <... futex resumed>) = 0 [pid 5831] close(3 [pid 6002] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... unlinkat resumed>) = 0 [pid 5996] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... close resumed>) = 0 [pid 6001] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./10" [pid 6001] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5997] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... futex resumed>) = 0 [pid 6000] ftruncate(4, 33554441 [pid 5997] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] exit_group(0 [pid 5831] mkdir("./11", 0777 [pid 5994] <... exit_group resumed>) = ? [pid 5993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6001] +++ exited with 0 +++ [pid 5993] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = ? [pid 5993] <... futex resumed>) = 0 [pid 5996] +++ exited with 0 +++ [pid 5995] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5994] +++ exited with 0 +++ [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5995] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5995] <... futex resumed>) = 0 [pid 5993] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5995] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... mprotect resumed>) = 0 [pid 5992] exit_group(0 [pid 5831] <... openat resumed>) = 3 [pid 5995] <... futex resumed>) = ? [pid 5993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5992] <... exit_group resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5995] +++ exited with 0 +++ [pid 5993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6002] <... futex resumed>) = ? [pid 5831] <... ioctl resumed>) = 0 [pid 5993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] close(3 [pid 5832] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6002] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5832] getdents64(3, [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 6003 attached [pid 5993] <... clone3 resumed> => {parent_tid=[6003]}, 88) = 6003 [pid 5832] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./10/binderfs") = 0 [pid 5832] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6003] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... rseq resumed>) = 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6003] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5993] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6004 attached [pid 6003] <... set_robust_list resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6004] set_robust_list(0x5555832d26a0, 24 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5993] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6004 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6004] chdir("./11" [pid 5830] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] <... chdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] <... unlinkat resumed>) = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6004] <... prctl resumed>) = 0 [pid 5998] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 3 [pid 6003] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = 1 [pid 5998] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] exit_group(0 [pid 6004] setpgid(0, 0 [pid 6003] <... futex resumed>) = ? [pid 5998] <... futex resumed>) = ? [pid 5993] <... exit_group resumed>) = ? [pid 5830] newfstatat(3, "", [pid 6004] <... setpgid resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] +++ exited with 0 +++ [pid 5998] +++ exited with 0 +++ [pid 5993] +++ exited with 0 +++ [pid 5830] getdents64(3, [pid 6004] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5997] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5997] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6004] write(3, "1000", 4 [pid 5997] <... futex resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6004] <... write resumed>) = 4 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6004] close(3 [pid 5997] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] unlink("./11/binderfs" [pid 5829] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6004] <... close resumed>) = 0 [pid 5997] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 5997] <... mprotect resumed>) = 0 [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] <... symlink resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] write(1, "executing program\n", 18 [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] <... write resumed>) = 18 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6004] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 5829] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... openat resumed>) = 3 [pid 6004] <... futex resumed>) = 0 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5997] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5997] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5997] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6004] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6005 attached [], 8) = 0 [pid 5829] newfstatat(3, "", [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6005] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6006 attached ) = 0 [pid 5829] getdents64(3, [pid 6005] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6004] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6006] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... rseq resumed>) = 0 [pid 6005] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6006] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6005] <... unlinkat resumed>) = 0 [pid 6004] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] memfd_create("syzkaller", 0) = 3 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] unlink("./11/binderfs" [pid 6005] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... mmap resumed>) = 0x7f3f93e00000 [pid 6005] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5832] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... unlink resumed>) = 0 [pid 6005] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 69.496905][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 69.529271][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5832] newfstatat(AT_FDCWD, "./10/file0", [pid 6000] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6000] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6000] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5997] exit_group(0 [pid 6005] <... futex resumed>) = ? [pid 6000] <... futex resumed>) = ? [pid 5997] <... exit_group resumed>) = ? [pid 5832] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6005] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6006] <... write resumed>) = 524288 [pid 6000] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 5832] getdents64(4, [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] getdents64(4, [pid 5830] newfstatat(AT_FDCWD, "./11/file0", [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] munmap(0x7f3f93e00000, 138412032 [pid 5832] close(4 [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./10/file0" [pid 6006] <... munmap resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6006] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 6006] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(4 [pid 5833] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] rmdir("./11/file0" [pid 5833] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./11/binderfs") = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3) = 0 [pid 5830] rmdir("./11") = 0 [pid 6006] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./12", 0777 [pid 6006] close(3 [pid 5832] close(3 [pid 6006] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6006] close(4 [pid 5832] rmdir("./10" [pid 6006] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6006] mkdir("./file0", 0777 [pid 5832] mkdir("./11", 0777 [pid 5830] <... close resumed>) = 0 [pid 6006] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6006] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] ioctl(3, LOOP_CLR_FD [ 69.564502][ T35] hfsplus: b-tree write err: -5, ino 4 [ 69.593246][ T6006] loop2: detected capacity change from 0 to 1024 [ 69.601069][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5833] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5829] newfstatat(AT_FDCWD, "./11/file0", [pid 5832] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6007 [pid 5829] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./11/file0"./strace-static-x86_64: Process 6007 attached [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6007] set_robust_list(0x5555832d26a0, 24 [pid 5833] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... rmdir resumed>) = 0 [pid 6007] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 6007] chdir("./12" [pid 5833] newfstatat(4, "", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(3, ./strace-static-x86_64: Process 6008 attached [pid 6007] <... chdir resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6007] setpgid(0, 0) = 0 [pid 6008] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6008 [pid 5829] rmdir("./11" [pid 6007] <... openat resumed>) = 3 [pid 6008] chdir("./11" [pid 6007] write(3, "1000", 4 [pid 5833] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 6007] <... write resumed>) = 4 [pid 6007] close(3 [pid 6006] <... mount resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6007] <... close resumed>) = 0 [pid 6007] symlink("/dev/binderfs", "./binderfs" [pid 6006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] getdents64(4, [pid 5829] mkdir("./12", 0777 [pid 6008] <... chdir resumed>) = 0 [pid 6007] <... symlink resumed>) = 0 [pid 6006] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... mkdir resumed>) = 0 executing program [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] write(1, "executing program\n", 18 [pid 6008] <... prctl resumed>) = 0 [pid 6007] <... write resumed>) = 18 [pid 6008] setpgid(0, 0 [pid 6007] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] close(4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6007] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6007] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] rmdir("./11/file0" [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6008] <... setpgid resumed>) = 0 [pid 6007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6006] chdir("./file0" [pid 5833] <... rmdir resumed>) = 0 [pid 6007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6006] <... chdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] <... ioctl resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6008] <... openat resumed>) = 3 [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(3 [pid 6007] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6006] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 6008] write(3, "1000", 4 [pid 6007] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6006] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] rmdir("./11" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6009 attached [pid 6008] <... write resumed>) = 4 [pid 6007] <... mprotect resumed>) = 0 [pid 6004] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 6009] set_robust_list(0x5555832d26a0, 24 [pid 5833] mkdir("./12", 0777 [pid 6008] close(3 [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6008] <... close resumed>) = 0 [pid 6007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6006] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6009] <... set_robust_list resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6010 attached [pid 6009] chdir("./12" [pid 6007] <... clone3 resumed> => {parent_tid=[6010]}, 88) = 6010 [pid 6006] <... openat resumed>) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6009 [pid 6009] <... chdir resumed>) = 0 [pid 6008] symlink("/dev/binderfs", "./binderfs" [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6010] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] <... symlink resumed>) = 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6007] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6009] <... prctl resumed>) = 0 executing program [pid 6007] <... futex resumed>) = 0 [pid 6006] ftruncate(4, 33554441 [pid 6004] <... futex resumed>) = 0 [pid 6010] <... rseq resumed>) = 0 [pid 6009] setpgid(0, 0 [pid 6008] write(1, "executing program\n", 18 [pid 6007] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6004] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... ioctl resumed>) = 0 [pid 6010] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6009] <... setpgid resumed>) = 0 executing program [pid 6008] <... write resumed>) = 18 [pid 5833] close(3 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6009] write(3, "1000", 4) = 4 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] close(3 [pid 6008] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... close resumed>) = 0 [pid 6009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6009] write(1, "executing program\n", 18) = 18 [pid 6009] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5833] <... close resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6011 attached [pid 6009] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6011] set_robust_list(0x5555832d26a0, 24 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6012 attached [pid 6011] <... set_robust_list resumed>) = 0 [pid 6012] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6011] chdir("./12" [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6011 [pid 6012] <... rseq resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6012] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6011] <... chdir resumed>) = 0 [pid 6009] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] memfd_create("syzkaller", 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... prctl resumed>) = 0 [pid 6010] <... memfd_create resumed>) = 3 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] setpgid(0, 0 [pid 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] memfd_create("syzkaller", 0 [pid 6011] <... setpgid resumed>) = 0 [pid 6010] <... mmap resumed>) = 0x7f3f93e00000 [pid 6009] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6012] <... memfd_create resumed>) = 3 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] <... futex resumed>) = 0 [pid 6012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6011] <... openat resumed>) = 3 [pid 6009] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6012] <... mmap resumed>) = 0x7f3f93e00000 [pid 6011] write(3, "1000", 4 [pid 6008] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6011] <... write resumed>) = 4 [pid 6011] close(3) = 0 [pid 6011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6011] write(1, "executing program\n", 18) = 18 [pid 6011] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6011] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6012] <... write resumed>) = 524288 [pid 6010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6008] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6011] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6012] munmap(0x7f3f93e00000, 138412032 [pid 6011] <... mprotect resumed>) = 0 [pid 6008] <... mprotect resumed>) = 0 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6012] <... munmap resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6013 attached [pid 6012] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6012] <... openat resumed>) = 4 [pid 6011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 6004] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6012] ioctl(4, LOOP_SET_FD, 3 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6014 attached [pid 6013] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6010] <... write resumed>) = 524288 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] <... mprotect resumed>) = 0 [pid 6013] <... rseq resumed>) = 0 [pid 6010] munmap(0x7f3f93e00000, 138412032 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6014] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] <... clone3 resumed> => {parent_tid=[6014]}, 88) = 6014 [pid 6010] <... munmap resumed>) = 0 [pid 6008] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6006] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... futex resumed>) = 0 [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6015 attached [pid 6013] memfd_create("syzkaller", 0 [pid 6011] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6014] <... rseq resumed>) = 0 [pid 6013] <... memfd_create resumed>) = 3 [pid 6012] <... ioctl resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6006] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... clone3 resumed> => {parent_tid=[6015]}, 88) = 6015 [pid 6015] <... rseq resumed>) = 0 [pid 6014] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6012] close(3 [pid 6011] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6010] <... openat resumed>) = 4 [pid 6006] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] <... mmap resumed>) = 0x7f3f93e00000 [pid 6012] <... close resumed>) = 0 [pid 6010] ioctl(4, LOOP_SET_FD, 3 [pid 6006] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6012] close(4 [pid 6004] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6015] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... close resumed>) = 0 [pid 6015] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] memfd_create("syzkaller", 0 [pid 6012] mkdir("./file0", 0777 [pid 6015] <... futex resumed>) = 1 [pid 6012] <... mkdir resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6004] exit_group(0) = ? [pid 6012] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6006] <... futex resumed>) = ? [pid 6006] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 6004] +++ exited with 0 +++ [pid 6014] <... memfd_create resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6014] <... mmap resumed>) = 0x7f3f93e00000 [pid 6012] <... mount resumed>) = 0 [pid 6012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6013] <... write resumed>) = 524288 [pid 6014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6012] <... openat resumed>) = 3 [pid 6010] <... ioctl resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6013] munmap(0x7f3f93e00000, 138412032 [pid 6012] chdir("./file0" [pid 6010] close(3 [pid 6013] <... munmap resumed>) = 0 [pid 6012] <... chdir resumed>) = 0 [pid 6010] <... close resumed>) = 0 [pid 5831] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6014] <... write resumed>) = 524288 [pid 6013] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6012] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6010] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6010] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6012] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 69.750912][ T6012] loop0: detected capacity change from 0 to 1024 [ 69.768929][ T6010] loop1: detected capacity change from 0 to 1024 [pid 6010] mkdir("./file0", 0777) = 0 [pid 6014] munmap(0x7f3f93e00000, 138412032 [pid 6013] <... openat resumed>) = 4 [pid 6012] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] unlink("./11/binderfs" [pid 6013] ioctl(4, LOOP_SET_FD, 3 [pid 6012] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... unlink resumed>) = 0 [pid 6013] <... ioctl resumed>) = 0 [pid 6012] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6009] <... futex resumed>) = 0 [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6014] <... munmap resumed>) = 0 [pid 6012] <... openat resumed>) = 4 [pid 6010] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6012] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6012] <... futex resumed>) = 0 [pid 6009] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... openat resumed>) = 4 [pid 6013] close(3 [pid 6012] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] ioctl(4, LOOP_SET_FD, 3 [pid 6013] <... close resumed>) = 0 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... mount resumed>) = 0 [pid 6009] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(4 [pid 6012] ftruncate(4, 33554441 [pid 6010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... close resumed>) = 0 [pid 6010] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 6013] mkdir("./file0", 0777 [pid 6014] <... ioctl resumed>) = 0 [pid 6014] close(3) = 0 [pid 6014] close(4) = 0 [pid 6014] mkdir("./file0", 0777 [pid 6013] <... mkdir resumed>) = 0 [pid 6013] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6010] chdir("./file0" [pid 6014] <... mkdir resumed>) = 0 [pid 6010] <... chdir resumed>) = 0 [pid 6014] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6010] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(AT_FDCWD, "./11/file0", [pid 6010] <... futex resumed>) = 1 [pid 6010] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6007] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6007] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6010] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6014] <... mount resumed>) = 0 [pid 6010] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, [pid 6014] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6014] <... openat resumed>) = 3 [pid 5831] close(4 [pid 6014] chdir("./file0" [pid 5831] <... close resumed>) = 0 [pid 6014] <... chdir resumed>) = 0 [pid 5831] rmdir("./11/file0" [pid 6010] <... futex resumed>) = 1 [pid 6007] <... futex resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6007] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 6014] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6010] ftruncate(4, 33554441 [pid 6007] <... futex resumed>) = 0 [pid 6014] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(3, [pid 6014] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6014] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 5831] close(3 [pid 6014] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6011] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... close resumed>) = 0 [pid 6014] <... openat resumed>) = 4 [pid 5831] rmdir("./11") = 0 [pid 6014] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... mount resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6011] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6011] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... futex resumed>) = 1 [pid 5831] mkdir("./12", 0777 [pid 6014] ftruncate(4, 33554441 [pid 5831] <... mkdir resumed>) = 0 [pid 6013] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 69.823014][ T6013] loop3: detected capacity change from 0 to 1024 [ 69.831049][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 69.848334][ T6014] loop4: detected capacity change from 0 to 1024 [pid 6013] chdir("./file0" [pid 6009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6013] <... chdir resumed>) = 0 [pid 6009] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6009] <... futex resumed>) = 0 [pid 6013] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... openat resumed>) = 3 [pid 6013] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6009] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6008] <... futex resumed>) = 0 [pid 6008] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6008] <... futex resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6008] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] close(3 [pid 6009] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6013] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6009] <... mprotect resumed>) = 0 [pid 6013] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 6008] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] ftruncate(4, 33554441 [pid 6012] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6009] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] <... close resumed>) = 0 [pid 6010] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6007] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6007] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6016 attached ) = 0 [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6016 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6018 attached ./strace-static-x86_64: Process 6017 attached => {parent_tid=[6017]}, 88) = 6017 [pid 6016] set_robust_list(0x5555832d26a0, 24 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6018] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6017] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6018] <... rseq resumed>) = 0 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] chdir("./12" [pid 6007] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... chdir resumed>) = 0 [pid 6012] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6007] <... futex resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... prctl resumed>) = 0 [pid 6011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6018] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] setpgid(0, 0 [pid 6011] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... setpgid resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6017] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... futex resumed>) = 0 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6017] <... unlinkat resumed>) = 0 [pid 6016] <... openat resumed>) = 3 [pid 6012] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... futex resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] write(3, "1000", 4 [pid 6011] <... mprotect resumed>) = 0 [pid 6010] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6016] <... write resumed>) = 4 [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = 1 [pid 6016] close(3 [pid 6013] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6009] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6019 attached [pid 6018] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6016] <... close resumed>) = 0 [pid 6008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6019] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6018] <... unlinkat resumed>) = 0 [pid 6017] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] symlink("/dev/binderfs", "./binderfs" [pid 6013] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6008] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] exit_group(0 [pid 6019] <... rseq resumed>) = 0 [pid 6016] <... symlink resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] <... futex resumed>) = 0 executing program [pid 6019] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6018] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = ? [pid 6016] write(1, "executing program\n", 18 [pid 6013] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] <... futex resumed>) = ? [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6007] <... exit_group resumed>) = ? [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6017] +++ exited with 0 +++ [pid 6016] <... write resumed>) = 18 [pid 6011] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] +++ exited with 0 +++ [pid 6009] <... futex resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6011] <... futex resumed>) = 0 [pid 6009] exit_group(0 [pid 6008] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6007] +++ exited with 0 +++ [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6019] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6018] <... futex resumed>) = ? [pid 6016] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6012] <... futex resumed>) = ? [pid 6011] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... exit_group resumed>) = ? [pid 6008] <... mprotect resumed>) = 0 [pid 6019] <... unlinkat resumed>) = 0 [pid 6018] +++ exited with 0 +++ [pid 6016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6012] +++ exited with 0 +++ [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] --- 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 6019] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] +++ exited with 0 +++ [pid 6019] <... futex resumed>) = 1 [pid 6016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6011] <... futex resumed>) = 0 [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6020 attached [pid 6019] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6008] <... clone3 resumed> => {parent_tid=[6020]}, 88) = 6020 [pid 5830] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6020] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6016] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... restart_syscall resumed>) = 0 [pid 6016] <... mprotect resumed>) = 0 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6020] <... rseq resumed>) = 0 [pid 6016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6008] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] newfstatat(3, "", [pid 6020] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6014] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6020] <... set_robust_list resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6014] <... futex resumed>) = 0 [pid 6008] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6021 attached [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] exit_group(0 [pid 6021] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... futex resumed>) = ? [pid 6016] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 [pid 6014] <... futex resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... rseq resumed>) = 0 [pid 6020] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6019] +++ exited with 0 +++ [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] +++ exited with 0 +++ [pid 6011] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6021] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6020] <... unlinkat resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] newfstatat(3, "", [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... futex resumed>) = 1 [pid 6016] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] exit_group(0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 6021] memfd_create("syzkaller", 0 [pid 6020] <... futex resumed>) = ? [pid 6013] <... futex resumed>) = ? [pid 6008] <... exit_group resumed>) = ? [pid 5830] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6021] <... memfd_create resumed>) = 3 [pid 6020] +++ exited with 0 +++ [pid 5833] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(3, [pid 5829] unlink("./12/binderfs" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./12/binderfs" [pid 5829] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./12/binderfs") = 0 [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... unlink resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6021] munmap(0x7f3f93e00000, 138412032 [pid 5832] getdents64(3, [pid 6021] <... munmap resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6021] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6021] ioctl(4, LOOP_SET_FD, 3 [pid 5832] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./11/binderfs") = 0 [pid 5832] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6021] close(3 [pid 5829] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6021] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./12/file0", [pid 5832] <... umount2 resumed>) = 0 [pid 6021] mkdir("./file0", 0777 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./11/file0", [pid 5830] newfstatat(AT_FDCWD, "./12/file0", [pid 6021] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 5833] newfstatat(AT_FDCWD, "./12/file0", [pid 5832] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 5833] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] close(4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5833] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./12/file0" [pid 5833] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [ 70.019824][ T35] hfsplus: b-tree write err: -5, ino 4 [ 70.019882][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 70.032372][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 70.045819][ T6021] loop2: detected capacity change from 0 to 1024 [ 70.053814][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5830] rmdir("./12/file0" [pid 5833] rmdir("./12/file0" [pid 5832] close(4 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 5832] rmdir("./11/file0" [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] getdents64(3, [pid 5833] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./12" [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./13", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] close(3 [pid 5829] close(3 [pid 5833] rmdir("./12" [pid 5832] rmdir("./11" [pid 5830] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] mkdir("./13", 0777 [pid 5829] rmdir("./12" [pid 6021] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./12", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6021] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... rmdir resumed>) = 0 [pid 6021] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] mkdir("./13", 0777 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6023 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6022 [pid 5833] close(3 [pid 6021] chdir("./file0"./strace-static-x86_64: Process 6023 attached ./strace-static-x86_64: Process 6022 attached ) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6023] set_robust_list(0x5555832d26a0, 24 [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = 3 [pid 6021] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6021] <... futex resumed>) = 1 [pid 6016] <... futex resumed>) = 0 [pid 6021] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... ioctl resumed>) = 0 [pid 6016] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(3 [pid 6023] <... set_robust_list resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6021] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6021] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6023] chdir("./12" [pid 6022] set_robust_list(0x5555832d26a0, 24 [pid 6021] <... openat resumed>) = 4 [pid 6016] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6024 attached [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 6023] <... chdir resumed>) = 0 [pid 6021] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6024 [pid 6024] set_robust_list(0x5555832d26a0, 24 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] chdir("./13" [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... prctl resumed>) = 0 [pid 6022] <... chdir resumed>) = 0 [pid 6021] ftruncate(4, 33554441 [pid 6016] <... futex resumed>) = 0 [pid 6023] setpgid(0, 0) = 0 [pid 6016] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... close resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6023] write(3, "1000", 4) = 4 [pid 6023] close(3) = 0 [pid 6023] symlink("/dev/binderfs", "./binderfs" [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6025 attached [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] <... symlink resumed>) = 0 [pid 6022] <... prctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6025 [pid 6022] setpgid(0, 0 [pid 6024] chdir("./13" [pid 6022] <... setpgid resumed>) = 0 executing program [pid 6023] write(1, "executing program\n", 18 [pid 6025] set_robust_list(0x5555832d26a0, 24 [pid 6023] <... write resumed>) = 18 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] <... set_robust_list resumed>) = 0 [pid 6023] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] chdir("./13" [pid 6024] <... chdir resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... openat resumed>) = 3 [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] write(3, "1000", 4 [pid 6024] <... prctl resumed>) = 0 [pid 6022] <... write resumed>) = 4 [pid 6024] setpgid(0, 0 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6022] close(3 [pid 6024] <... setpgid resumed>) = 0 [pid 6023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] <... chdir resumed>) = 0 [pid 6022] <... close resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] symlink("/dev/binderfs", "./binderfs" [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... symlink resumed>) = 0 executing program [pid 6024] <... openat resumed>) = 3 [pid 6022] write(1, "executing program\n", 18 [pid 6024] write(3, "1000", 4 [pid 6022] <... write resumed>) = 18 [pid 6024] <... write resumed>) = 4 [pid 6022] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6024] close(3 [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6024] <... close resumed>) = 0 [pid 6022] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6024] symlink("/dev/binderfs", "./binderfs" [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... prctl resumed>) = 0 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6025] setpgid(0, 0 [pid 6024] <... symlink resumed>) = 0 [pid 6023] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6022] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6021] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6022] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6023] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... mprotect resumed>) = 0 [pid 6025] <... setpgid resumed>) = 0 [pid 6023] <... mprotect resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] write(1, "executing program\n", 18 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6025] <... openat resumed>) = 3 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}executing program ./strace-static-x86_64: Process 6026 attached [pid 6025] write(3, "1000", 4) = 4 [pid 6023] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6025] close(3 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] <... close resumed>) = 0 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6021] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6016] <... futex resumed>) = 0 [pid 6024] <... write resumed>) = 18 [pid 6016] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] symlink("/dev/binderfs", "./binderfs" [pid 6024] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6025] <... symlink resumed>) = 0 [pid 6024] <... futex resumed>) = 0 executing program [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6021] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6016] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6025] write(1, "executing program\n", 18 [pid 6023] <... futex resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6026] <... rseq resumed>) = 0 [pid 6025] <... write resumed>) = 18 [pid 6024] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6023] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6021] <... unlinkat resumed>) = 0 ./strace-static-x86_64: Process 6027 attached [pid 6026] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6025] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] memfd_create("syzkaller", 0 [pid 6025] <... futex resumed>) = 0 [pid 6022] <... clone3 resumed> => {parent_tid=[6027]}, 88) = 6027 [pid 6026] <... memfd_create resumed>) = 3 [pid 6025] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... rseq resumed>) = 0 [pid 6026] <... mmap resumed>) = 0x7f3f93e00000 [pid 6025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6021] <... futex resumed>) = 1 [pid 6016] <... futex resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] exit_group(0) = ? [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6025] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... set_robust_list resumed>) = 0 [pid 6025] <... mprotect resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6024] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6021] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 6024] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6024] <... mprotect resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6027] memfd_create("syzkaller", 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6027] <... memfd_create resumed>) = 3 [pid 6022] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6027] <... mmap resumed>) = 0x7f3f93e00000 [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6028 attached [pid 6027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6026] <... write resumed>) = 524288 [pid 6025] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6025] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(3, "", [pid 6025] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6029 attached [pid 6025] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6024] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 5831] getdents64(3, [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6026] munmap(0x7f3f93e00000, 138412032 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6029] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6028] <... rseq resumed>) = 0 [pid 6026] <... munmap resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] <... rseq resumed>) = 0 [pid 6024] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6024] <... futex resumed>) = 0 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6024] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6028] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] <... set_robust_list resumed>) = 0 [pid 6029] memfd_create("syzkaller", 0 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... memfd_create resumed>) = 3 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] memfd_create("syzkaller", 0 [pid 6026] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6028] <... memfd_create resumed>) = 3 [pid 6026] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6029] <... mmap resumed>) = 0x7f3f93e00000 [pid 6028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6026] ioctl(4, LOOP_SET_FD, 3 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6028] <... mmap resumed>) = 0x7f3f93e00000 [pid 6026] <... ioctl resumed>) = 0 [pid 6027] <... write resumed>) = 524288 [pid 6029] <... write resumed>) = 524288 [pid 6027] munmap(0x7f3f93e00000, 138412032 [pid 5831] unlink("./12/binderfs" [pid 6029] munmap(0x7f3f93e00000, 138412032 [pid 6028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6027] <... munmap resumed>) = 0 [pid 6026] close(3 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] <... munmap resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6026] <... close resumed>) = 0 [pid 6027] <... openat resumed>) = 4 [pid 6026] close(4) = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6027] ioctl(4, LOOP_SET_FD, 3 [pid 6026] mkdir("./file0", 0777 [pid 6029] <... openat resumed>) = 4 [pid 6026] <... mkdir resumed>) = 0 [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 6028] <... write resumed>) = 524288 [pid 6028] munmap(0x7f3f93e00000, 138412032 [pid 6026] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6028] <... munmap resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6029] <... ioctl resumed>) = 0 [pid 6026] <... mount resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6028] ioctl(4, LOOP_SET_FD, 3 [pid 6027] <... ioctl resumed>) = 0 [ 70.234617][ T6026] loop3: detected capacity change from 0 to 1024 [ 70.250944][ T35] hfsplus: b-tree write err: -5, ino 4 [ 70.261812][ T6027] loop1: detected capacity change from 0 to 1024 [ 70.271999][ T6029] loop4: detected capacity change from 0 to 1024 [pid 6029] close(3 [pid 6026] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6029] <... close resumed>) = 0 [pid 6027] close(3 [pid 6026] <... openat resumed>) = 3 [pid 5831] getdents64(4, [pid 6027] <... close resumed>) = 0 [pid 6027] close(4) = 0 [pid 6027] mkdir("./file0", 0777 [pid 6029] close(4 [pid 6027] <... mkdir resumed>) = 0 [pid 6026] chdir("./file0" [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6028] <... ioctl resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6027] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6026] <... chdir resumed>) = 0 [pid 5831] close(4 [pid 6029] mkdir("./file0", 0777) = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6028] close(3 [pid 6029] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6028] <... close resumed>) = 0 [pid 6026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] rmdir("./12/file0" [pid 6028] close(4 [pid 6026] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 6028] <... close resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 5831] getdents64(3, [pid 6028] mkdir("./file0", 0777 [pid 6026] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6023] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... mkdir resumed>) = 0 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] close(3 [pid 6028] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6026] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5831] <... close resumed>) = 0 [pid 6027] <... mount resumed>) = 0 [pid 5831] rmdir("./12" [pid 6027] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6026] <... openat resumed>) = 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6027] <... openat resumed>) = 3 [pid 6027] chdir("./file0") = 0 [pid 6027] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6027] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6027] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6022] <... futex resumed>) = 0 [pid 6027] <... openat resumed>) = 4 [pid 6022] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] mkdir("./13", 0777 [pid 6026] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6023] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6026] ftruncate(4, 33554441 [pid 6023] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] ftruncate(4, 33554441 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6029] <... mount resumed>) = 0 [pid 5831] <... close resumed>) = 0 [ 70.293685][ T6028] loop0: detected capacity change from 0 to 1024 [pid 6029] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6029] chdir("./file0") = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6029] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... mount resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6030 ./strace-static-x86_64: Process 6030 attached [pid 6030] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6030] chdir("./13") = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6024] <... futex resumed>) = 0 [pid 6030] setpgid(0, 0) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6030] write(3, "1000", 4) = 4 [pid 6029] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6028] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6024] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] close(3) = 0 executing program [pid 6030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6029] <... openat resumed>) = 4 [pid 6028] <... openat resumed>) = 3 [pid 6024] <... futex resumed>) = 0 [pid 6030] write(1, "executing program\n", 18 [pid 6024] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... write resumed>) = 18 [pid 6029] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] chdir("./file0" [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 0 [pid 6028] <... chdir resumed>) = 0 [pid 6024] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6030] <... futex resumed>) = 0 [pid 6029] ftruncate(4, 33554441 [pid 6028] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6024] <... futex resumed>) = 0 [pid 6023] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6024] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6028] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6022] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6028] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 0 [pid 6023] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6028] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6023] <... mprotect resumed>) = 0 [pid 6022] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6022] <... mprotect resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6030] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6025] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6032 attached ./strace-static-x86_64: Process 6031 attached [pid 6030] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6028] <... futex resumed>) = 0 [pid 6025] <... futex resumed>) = 1 [pid 6023] <... clone3 resumed> => {parent_tid=[6031]}, 88) = 6031 [pid 6032] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6031] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6030] <... mprotect resumed>) = 0 [pid 6028] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6025] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... rseq resumed>) = 0 [pid 6031] <... rseq resumed>) = 0 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6028] <... openat resumed>) = 4 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 6032] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6031] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6028] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] <... set_robust_list resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6028] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6033 attached [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] ftruncate(4, 33554441 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] <... clone3 resumed> => {parent_tid=[6033]}, 88) = 6033 [pid 6025] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6033] <... rseq resumed>) = 0 [pid 6032] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6025] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... unlinkat resumed>) = 0 [pid 6031] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6033] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6032] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] <... futex resumed>) = 1 [pid 6031] <... unlinkat resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6027] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6027] <... futex resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] exit_group(0 [pid 6033] memfd_create("syzkaller", 0 [pid 6032] <... futex resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 6032] +++ exited with 0 +++ [pid 6031] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... memfd_create resumed>) = 3 [pid 6031] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6031] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] exit_group(0 [pid 6033] <... mmap resumed>) = 0x7f3f93e00000 [pid 6031] <... futex resumed>) = ? [pid 6026] <... futex resumed>) = ? [pid 6023] <... exit_group resumed>) = ? [pid 6033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6031] +++ exited with 0 +++ [pid 6027] +++ exited with 0 +++ [pid 6024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6022] +++ exited with 0 +++ [pid 6024] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6024] <... futex resumed>) = 0 [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6026] +++ exited with 0 +++ [pid 6024] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6023] +++ exited with 0 +++ [pid 5830] <... restart_syscall resumed>) = 0 [pid 6024] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6024] <... mprotect resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5830] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6034 attached ) = 3 [pid 6034] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6024] <... clone3 resumed> => {parent_tid=[6034]}, 88) = 6034 [pid 5830] newfstatat(3, "", [pid 6034] <... rseq resumed>) = 0 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6034] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] getdents64(3, [pid 6034] <... set_robust_list resumed>) = 0 [pid 6024] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6024] <... futex resumed>) = 0 [pid 5830] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6024] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6034] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./13/binderfs" [pid 5832] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... unlink resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 6034] <... unlinkat resumed>) = 0 [pid 6029] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6034] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6029] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6034] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] <... futex resumed>) = 0 [pid 6024] exit_group(0 [pid 6029] ???( [pid 6024] <... exit_group resumed>) = ? [pid 6034] <... futex resumed>) = ? [pid 6029] <... ??? resumed>) = ? [pid 6034] +++ exited with 0 +++ [pid 6033] <... write resumed>) = 524288 [pid 6029] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 5832] getdents64(3, [pid 6033] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6033] <... munmap resumed>) = 0 [pid 6028] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6028] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6033] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6033] ioctl(4, LOOP_SET_FD, 3 [pid 5832] unlink("./12/binderfs" [pid 6028] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 0 [pid 6028] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] <... futex resumed>) = 0 [pid 6028] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6025] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... unlinkat resumed>) = 0 [pid 5833] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./13/binderfs") = 0 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6033] <... ioctl resumed>) = 0 [pid 6028] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = 0 [pid 6028] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 0 [pid 6028] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] exit_group(0 [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... futex resumed>) = ? [pid 6025] <... exit_group resumed>) = ? [pid 6033] close(3 [pid 6028] +++ exited with 0 +++ [pid 6033] <... close resumed>) = 0 [pid 6033] close(4 [pid 6025] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./13/file0", [pid 6033] mkdir("./file0", 0777) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6033] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(3, [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5830] rmdir("./13/file0" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5829] unlink("./13/binderfs" [pid 5832] newfstatat(AT_FDCWD, "./12/file0", [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 70.469095][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 70.482511][ T6033] loop2: detected capacity change from 0 to 1024 [ 70.493903][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 70.500531][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6033] <... mount resumed>) = 0 [pid 5830] getdents64(3, [pid 6033] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6033] chdir("./file0") = 0 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] close(3 [pid 6033] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 6033] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./13/file0", [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] close(4 [pid 5830] rmdir("./13" [pid 6033] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6033] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6030] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./12/file0" [pid 6033] <... openat resumed>) = 4 [pid 6030] <... futex resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... rmdir resumed>) = 0 [pid 6033] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 4 [pid 5830] mkdir("./14", 0777 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] newfstatat(4, "", [pid 5832] getdents64(3, [pid 5830] <... mkdir resumed>) = 0 [pid 6030] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6033] ftruncate(4, 33554441 [pid 6030] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] getdents64(4, [pid 5832] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5832] rmdir("./12" [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] close(4) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] rmdir("./13/file0" [pid 5830] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5832] mkdir("./13", 0777 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./13" [pid 5832] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] mkdir("./14", 0777 [pid 5832] close(3 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5829] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6035 attached [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6035 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6035] set_robust_list(0x5555832d26a0, 24 [pid 5829] newfstatat(AT_FDCWD, "./13/file0", [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [ 70.538498][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6036 attached [pid 6035] <... set_robust_list resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6036 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6037 attached [pid 6036] set_robust_list(0x5555832d26a0, 24 [pid 6035] chdir("./14" [pid 6033] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] set_robust_list(0x5555832d26a0, 24 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... chdir resumed>) = 0 [pid 6030] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6037 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] chdir("./13" [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] <... chdir resumed>) = 0 [pid 6035] <... prctl resumed>) = 0 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... openat resumed>) = 4 [pid 6035] setpgid(0, 0 [pid 5829] newfstatat(4, "", [pid 6035] <... setpgid resumed>) = 0 [pid 6030] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6037] chdir("./14" [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] getdents64(4, [pid 6033] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... prctl resumed>) = 0 [pid 6036] setpgid(0, 0) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6037] <... chdir resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 5829] getdents64(4, [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... openat resumed>) = 3 [pid 6035] <... openat resumed>) = 3 [pid 6033] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] <... mprotect resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6035] write(3, "1000", 4 [pid 5829] close(4 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... write resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./13/file0" [pid 6037] <... prctl resumed>) = 0 [pid 6037] setpgid(0, 0 [pid 6036] write(3, "1000", 4 [pid 5829] <... rmdir resumed>) = 0 [pid 6036] <... write resumed>) = 4 [pid 5829] getdents64(3, [pid 6037] <... setpgid resumed>) = 0 [pid 6036] close(3 [pid 6035] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] <... close resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] close(3 [pid 6037] <... openat resumed>) = 3 [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 6035] symlink("/dev/binderfs", "./binderfs"executing program [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6037] write(3, "1000", 4 [pid 6036] <... symlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6037] <... write resumed>) = 4 [pid 6035] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6038 attached [pid 6036] write(1, "executing program\n", 18 [pid 5829] rmdir("./13" [pid 6037] close(3 [pid 6036] <... write resumed>) = 18 [pid 6038] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6037] <... close resumed>) = 0 [pid 6036] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... clone3 resumed> => {parent_tid=[6038]}, 88) = 6038 [pid 5829] <... rmdir resumed>) = 0 [pid 6038] <... rseq resumed>) = 0 [pid 6035] write(1, "executing program\n", 18 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5829] mkdir("./14", 0777 [pid 6038] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... write resumed>) = 18 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6030] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... mkdir resumed>) = 0 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6035] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] symlink("/dev/binderfs", "./binderfs" [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6035] <... futex resumed>) = 0 [pid 6030] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6037] <... symlink resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... openat resumed>) = 3 [pid 6038] <... unlinkat resumed>) = 0 executing program [pid 6037] write(1, "executing program\n", 18 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... write resumed>) = 18 [pid 6036] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6038] <... futex resumed>) = 1 [pid 6037] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6030] <... futex resumed>) = 0 [pid 6038] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... mprotect resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... ioctl resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] exit_group(0 [pid 6038] <... futex resumed>) = ? [pid 6037] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6033] <... futex resumed>) = ? [pid 6030] <... exit_group resumed>) = ? [pid 5829] close(3 [pid 6038] +++ exited with 0 +++ [pid 6037] <... rt_sigaction resumed>NULL, 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6033] +++ exited with 0 +++ ./strace-static-x86_64: Process 6039 attached [pid 6037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6035] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6039] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 6035] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... close resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... mprotect resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] <... futex resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] <... rseq resumed>) = 0 [pid 6037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] +++ exited with 0 +++ [pid 6039] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6037] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6037] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... mprotect resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6040 attached [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6040 [pid 6040] set_robust_list(0x5555832d26a0, 24 [pid 6039] memfd_create("syzkaller", 0 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6040] chdir("./14" [pid 5831] <... restart_syscall resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6039] <... memfd_create resumed>) = 3 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6041 attached [pid 5831] newfstatat(3, "", ./strace-static-x86_64: Process 6042 attached [pid 6035] <... clone3 resumed> => {parent_tid=[6041]}, 88) = 6041 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6037] <... clone3 resumed> => {parent_tid=[6042]}, 88) = 6042 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] getdents64(3, [pid 6040] <... chdir resumed>) = 0 [pid 6041] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6039] <... mmap resumed>) = 0x7f3f93e00000 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6041] <... rseq resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6041] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6037] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... rseq resumed>) = 0 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6035] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6042] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] <... prctl resumed>) = 0 [pid 6037] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] setpgid(0, 0 [pid 5831] unlink("./13/binderfs" [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] <... setpgid resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] memfd_create("syzkaller", 0 [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] memfd_create("syzkaller", 0 [pid 6041] <... memfd_create resumed>) = 3 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] <... memfd_create resumed>) = 3 [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6041] <... mmap resumed>) = 0x7f3f93e00000 [pid 6042] <... mmap resumed>) = 0x7f3f93e00000 [pid 6040] <... openat resumed>) = 3 [pid 6042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6040] write(3, "1000", 4 [pid 6039] <... write resumed>) = 524288 [pid 6040] <... write resumed>) = 4 [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6040] close(3 [pid 6042] <... write resumed>) = 524288 [pid 6041] <... write resumed>) = 524288 [pid 6040] <... close resumed>) = 0 [pid 6039] munmap(0x7f3f93e00000, 138412032executing program [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 6039] <... munmap resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6040] <... symlink resumed>) = 0 [pid 6039] <... openat resumed>) = 4 [pid 6040] write(1, "executing program\n", 18) = 18 [pid 6039] ioctl(4, LOOP_SET_FD, 3 [pid 6040] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... ioctl resumed>) = 0 [pid 6042] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6042] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6042] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6041] munmap(0x7f3f93e00000, 138412032 [pid 6040] <... futex resumed>) = 0 [pid 6039] close(3 [pid 5831] <... umount2 resumed>) = 0 [pid 6042] close(3 [pid 6041] <... munmap resumed>) = 0 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6039] <... close resumed>) = 0 [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] <... close resumed>) = 0 [pid 6041] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6039] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] close(4 [pid 6041] <... openat resumed>) = 4 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6039] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./13/file0", [pid 6042] <... close resumed>) = 0 [pid 6041] ioctl(4, LOOP_SET_FD, 3 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] mkdir("./file0", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... mmap resumed>) = 0x7f3f9c25c000 [ 70.700969][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 70.723610][ T6039] loop3: detected capacity change from 0 to 1024 [ 70.733154][ T6042] loop4: detected capacity change from 0 to 1024 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6040] <... mprotect resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] newfstatat(4, "", [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] getdents64(4, ./strace-static-x86_64: Process 6043 attached 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6043] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6040] <... clone3 resumed> => {parent_tid=[6043]}, 88) = 6043 [pid 5831] getdents64(4, [pid 6043] <... rseq resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6043] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6041] <... ioctl resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] <... mkdir resumed>) = 0 [pid 5831] close(4 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] mkdir("./file0", 0777 [pid 6040] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] <... futex resumed>) = 0 [pid 5831] rmdir("./13/file0" [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6043] memfd_create("syzkaller", 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6043] <... memfd_create resumed>) = 3 [pid 6043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6042] <... mkdir resumed>) = 0 [pid 6039] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./13" [pid 6042] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./14", 0777) = 0 [pid 6043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6041] close(3) = 0 [pid 6041] close(4) = 0 [pid 6041] mkdir("./file0", 0777) = 0 [pid 6041] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6039] <... mount resumed>) = 0 [pid 6039] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6043] <... write resumed>) = 524288 [pid 6042] <... mount resumed>) = 0 [pid 6039] chdir("./file0" [pid 6042] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6039] <... chdir resumed>) = 0 [pid 6042] <... openat resumed>) = 3 [pid 6039] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6042] chdir("./file0") = 0 [pid 6039] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6042] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6039] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6039] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6036] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] <... futex resumed>) = 0 [pid 6042] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6043] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 70.755667][ T6041] loop1: detected capacity change from 0 to 1024 [pid 6043] ioctl(4, LOOP_SET_FD, 3 [pid 6042] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6041] <... mount resumed>) = 0 [pid 6039] <... openat resumed>) = 4 [pid 6037] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6037] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... openat resumed>) = 4 [pid 6041] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6039] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6042] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] chdir("./file0" [pid 6039] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6041] <... chdir resumed>) = 0 [pid 6039] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 1 [pid 6041] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6042] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] <... futex resumed>) = 0 [pid 6036] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] ftruncate(4, 33554441 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6044 attached [pid 6041] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] ftruncate(4, 33554441 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6044 [pid 6041] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6041] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6035] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6044] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6035] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] chdir("./14" [pid 6041] <... openat resumed>) = 4 [pid 6044] <... chdir resumed>) = 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6044] setpgid(0, 0) = 0 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6044] write(3, "1000", 4) = 4 [pid 6041] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] close(3 [pid 6041] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 executing program [pid 6044] <... close resumed>) = 0 [pid 6043] <... ioctl resumed>) = 0 [pid 6044] symlink("/dev/binderfs", "./binderfs" [pid 6043] close(3 [pid 6035] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... symlink resumed>) = 0 [pid 6041] ftruncate(4, 33554441 [pid 6035] <... futex resumed>) = 0 [pid 6044] write(1, "executing program\n", 18) = 18 [pid 6035] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6043] <... close resumed>) = 0 [pid 6044] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6043] close(4 [pid 6044] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6043] <... close resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6043] mkdir("./file0", 0777 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] <... mkdir resumed>) = 0 [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6044] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6044] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6045 attached [pid 6045] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6044] <... clone3 resumed> => {parent_tid=[6045]}, 88) = 6045 [pid 6045] <... rseq resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... futex resumed>) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6045] memfd_create("syzkaller", 0) = 3 [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [ 70.802352][ T6043] loop0: detected capacity change from 0 to 1024 [pid 6045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6037] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] <... mount resumed>) = 0 [pid 6042] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6037] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6036] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6037] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6043] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6036] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6037] <... mprotect resumed>) = 0 [pid 6036] <... mprotect resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6043] <... openat resumed>) = 3 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6046 attached [pid 6043] chdir("./file0" [pid 6037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6043] <... chdir resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] <... clone3 resumed> => {parent_tid=[6046]}, 88) = 6046 [pid 6035] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] openat(AT_FDCWD, "/dev/loop0", O_RDWR [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6047 attached [pid 6043] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6046] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6045] <... write resumed>) = 524288 [pid 6043] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6036] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... rseq resumed>) = 0 [pid 6046] <... rseq resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6042] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... futex resumed>) = 0 [pid 6035] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6047] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6046] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6043] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] <... futex resumed>) = 0 [pid 6040] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6047] <... set_robust_list resumed>) = 0 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] munmap(0x7f3f93e00000, 138412032 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 6037] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] <... munmap resumed>) = 0 [pid 6043] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6041] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6040] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6035] <... mprotect resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] <... openat resumed>) = 4 [pid 6037] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6046] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6045] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6043] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6047] <... unlinkat resumed>) = 0 [pid 6046] <... unlinkat resumed>) = 0 [pid 6041] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6048 attached [pid 6047] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = 0 [pid 6039] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6047] <... futex resumed>) = 1 [pid 6046] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... openat resumed>) = 4 [pid 6043] <... futex resumed>) = 1 [pid 6041] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6035] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 6048] <... rseq resumed>) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6045] ioctl(4, LOOP_SET_FD, 3 [pid 6043] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 0 [pid 6048] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6047] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] exit_group(0 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... exit_group resumed>) = ? [pid 6047] <... futex resumed>) = ? [pid 6048] <... set_robust_list resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] +++ exited with 0 +++ [pid 6046] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] exit_group(0 [pid 6035] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? [pid 6035] <... futex resumed>) = 0 [pid 6048] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6046] +++ exited with 0 +++ [pid 6035] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... futex resumed>) = ? [pid 6048] <... unlinkat resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = ? [pid 6040] <... futex resumed>) = 0 [pid 6039] +++ exited with 0 +++ [pid 6036] +++ exited with 0 +++ [pid 6048] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] ftruncate(4, 33554441 [pid 6042] +++ exited with 0 +++ [pid 6040] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] +++ exited with 0 +++ [pid 6048] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6048] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6041] <... futex resumed>) = ? [pid 6035] <... exit_group resumed>) = ? [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6041] +++ exited with 0 +++ [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6048] <... futex resumed>) = ? [pid 5833] getdents64(3, [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./14/binderfs" [pid 6048] +++ exited with 0 +++ [pid 6035] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 5832] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... ioctl resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6045] close(3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6045] <... close resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... openat resumed>) = 3 [pid 6045] close(4 [pid 5832] newfstatat(3, "", [pid 6045] <... close resumed>) = 0 [pid 6045] mkdir("./file0", 0777) = 0 [pid 6045] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(3, [pid 6045] <... mount resumed>) = 0 [pid 6045] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6045] chdir("./file0") = 0 [pid 6045] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6045] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6045] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6045] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5832] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5830] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 70.913582][ T6045] loop2: detected capacity change from 0 to 1024 [pid 5832] unlink("./13/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6045] <... openat resumed>) = 4 [pid 6044] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6040] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] getdents64(3, [pid 6040] <... futex resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6049 attached [pid 5830] unlink("./14/binderfs" [pid 6045] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6045] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... unlink resumed>) = 0 [pid 6045] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6049] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... futex resumed>) = 0 [pid 6040] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... futex resumed>) = 0 [pid 6045] ftruncate(4, 33554441 [pid 6040] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... rseq resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6049] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6049] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6049] <... unlinkat resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./14/file0", [pid 6043] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6049] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6049] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6043] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6043] <... futex resumed>) = 0 [pid 6040] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6049] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 5833] close(4 [pid 6049] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 6043] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5833] rmdir("./14/file0") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] close(3) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./14") = 0 [ 70.969236][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 70.998738][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 71.011493][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5833] mkdir("./15", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6045] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6044] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... mkdir resumed>) = 0 [pid 5832] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6045] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6045] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6044] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6045] <... unlinkat resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./13/file0", [pid 5829] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./14/file0", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 5832] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 5830] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5832] getdents64(4, [pid 5830] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5832] rmdir("./13/file0" [pid 5830] close(4 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./14/binderfs" [pid 5830] rmdir("./14/file0" [pid 5829] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3) = 0 [pid 6045] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 5832] rmdir("./13" [pid 5830] getdents64(3, [pid 6045] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] exit_group(0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... rmdir resumed>) = 0 [pid 6044] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./14" [pid 5832] mkdir("./14", 0777) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./15", 0777 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3./strace-static-x86_64: Process 6050 attached [pid 6045] <... futex resumed>) = ? [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6050] set_robust_list(0x5555832d26a0, 24 [pid 6045] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6050 [pid 5832] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6050] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 5831] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6050] chdir("./15" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] newfstatat(3, "", [pid 6050] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6051 attached [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] <... prctl resumed>) = 0 [pid 5831] getdents64(3, [pid 6050] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6050] <... setpgid resumed>) = 0 [pid 5831] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6051 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] set_robust_list(0x5555832d26a0, 24 [pid 6050] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6051] <... set_robust_list resumed>) = 0 [pid 6050] write(3, "1000", 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6051] chdir("./14" [pid 5831] unlink("./14/binderfs" [pid 6051] <... chdir resumed>) = 0 [pid 6050] <... write resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] <... prctl resumed>) = 0 [pid 6051] setpgid(0, 0) = 0 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6052 [pid 6051] write(3, "1000", 4) = 4 [pid 6051] close(3./strace-static-x86_64: Process 6052 attached [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... close resumed>) = 0 [ 71.074644][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 6051] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6051] write(1, "executing program\n", 18) = 18 [pid 6051] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6051] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6051] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6051] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] newfstatat(AT_FDCWD, "./14/file0", [pid 6050] close(3 [pid 6052] set_robust_list(0x5555832d26a0, 24 [pid 6050] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] symlink("/dev/binderfs", "./binderfs" [pid 6051] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6053 attached => {parent_tid=[6053]}, 88) = 6053 [pid 6053] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... rseq resumed>) = 0 [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6051] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6051] <... futex resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] memfd_create("syzkaller", 0 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6050] <... symlink resumed>) = 0 [pid 5829] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6053] <... memfd_create resumed>) = 3 [pid 6053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7f3f93e00000 [pid 6052] chdir("./15" [pid 6050] write(1, "executing program\n", 18 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... write resumed>) = 18 [pid 6052] <... chdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6052] setpgid(0, 0 [pid 5829] newfstatat(4, "", [pid 6052] <... setpgid resumed>) = 0 [pid 6050] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6050] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] getdents64(4, [pid 6052] write(3, "1000", 4 [pid 6050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6052] <... write resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6052] close(3 [pid 5829] getdents64(4, [pid 6052] <... close resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6052] symlink("/dev/binderfs", "./binderfs" [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] close(4 [pid 6050] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... close resumed>) = 0 [pid 6052] <... symlink resumed>) = 0 [pid 6050] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = 0 [pid 5829] rmdir("./14/file0" [pid 6052] write(1, "executing program\n", 18 [pid 6050] <... mprotect resumed>) = 0 executing program [pid 5829] <... rmdir resumed>) = 0 [pid 6053] <... write resumed>) = 524288 [pid 6052] <... write resumed>) = 18 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6053] munmap(0x7f3f93e00000, 138412032 [pid 6052] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] <... futex 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] getdents64(3, [pid 6052] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, ./strace-static-x86_64: Process 6054 attached [pid 6053] <... munmap resumed>) = 0 [pid 6052] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6054] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6050] <... clone3 resumed> => {parent_tid=[6054]}, 88) = 6054 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] close(3 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 6052] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6050] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rmdir("./14" [pid 6052] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6054] <... rseq resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 71.121402][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5831] newfstatat(AT_FDCWD, "./14/file0", [pid 6054] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6053] <... openat resumed>) = 4 [pid 6052] <... mprotect resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] ioctl(4, LOOP_SET_FD, 3 [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] mkdir("./15", 0777 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6054] memfd_create("syzkaller", 0 [pid 5831] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... mkdir resumed>) = 0 [pid 6054] <... memfd_create resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 6054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] newfstatat(4, "", [pid 6054] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6053] <... ioctl resumed>) = 0 [pid 6052] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] getdents64(4, [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6053] close(3 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6053] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6055 attached [pid 6054] <... write resumed>) = 524288 [pid 6053] close(4 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6055] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6054] munmap(0x7f3f93e00000, 138412032 [pid 5831] getdents64(4, [pid 6055] <... rseq resumed>) = 0 [pid 6054] <... munmap resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6055] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] close(4 [pid 6055] <... set_robust_list resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] rmdir("./14/file0" [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6055] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... openat resumed>) = 4 [pid 5831] getdents64(3, [pid 6054] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6053] <... close resumed>) = 0 [pid 6052] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 5831] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 6053] mkdir("./file0", 0777 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] close(3 [pid 6053] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./14") = 0 [pid 5831] mkdir("./15", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6053] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(3./strace-static-x86_64: Process 6056 attached [pid 6052] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 6052] <... futex resumed>) = 1 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6056 [pid 6056] set_robust_list(0x5555832d26a0, 24 [pid 6055] <... futex resumed>) = 0 [pid 6052] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6056] <... set_robust_list resumed>) = 0 [pid 6056] chdir("./15" [pid 6055] memfd_create("syzkaller", 0 [pid 6056] <... chdir resumed>) = 0 [pid 6055] <... memfd_create resumed>) = 3 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... mmap resumed>) = 0x7f3f93e00000 [pid 6056] setpgid(0, 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] <... setpgid resumed>) = 0 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6057 attached [pid 6057] set_robust_list(0x5555832d26a0, 24 [pid 6056] <... openat resumed>) = 3 [pid 6055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6053] <... mount resumed>) = 0 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] write(3, "1000", 4) = 4 [pid 6057] chdir("./15" [pid 6055] <... write resumed>) = 524288 [pid 6054] <... ioctl resumed>) = 0 [pid 6053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6057 [pid 6056] close(3) = 0 [pid 6057] <... chdir resumed>) = 0 [pid 6056] symlink("/dev/binderfs", "./binderfs" [pid 6053] <... openat resumed>) = 3 [ 71.184238][ T6053] loop3: detected capacity change from 0 to 1024 [ 71.219563][ T6054] loop4: detected capacity change from 0 to 1024 [pid 6054] close(3 [pid 6053] chdir("./file0" [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] <... symlink resumed>) = 0 [pid 6055] munmap(0x7f3f93e00000, 138412032 [pid 6054] <... close resumed>) = 0 [pid 6053] <... chdir resumed>) = 0 [pid 6055] <... munmap resumed>) = 0 [pid 6054] close(4 [pid 6053] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6054] <... close resumed>) = 0 [pid 6053] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6055] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6054] mkdir("./file0", 0777 [pid 6053] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... openat resumed>) = 4 [pid 6054] <... mkdir resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6053] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6054] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6057] <... prctl resumed>) = 0 [pid 6056] write(1, "executing program\n", 18) = 18 [pid 6057] setpgid(0, 0 [pid 6056] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... setpgid resumed>) = 0 [pid 6056] <... futex resumed>) = 0 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6051] <... futex resumed>) = 0 [pid 6057] <... openat resumed>) = 3 [pid 6056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6051] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] write(3, "1000", 4 [pid 6056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6053] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... write resumed>) = 4 [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6051] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] close(3 [pid 6056] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6057] <... close resumed>) = 0 [pid 6056] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6056] <... mprotect resumed>) = 0 [pid 6053] <... openat resumed>) = 4 executing program [pid 6053] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6053] <... futex resumed>) = 1 [pid 6051] <... futex resumed>) = 0 [pid 6057] write(1, "executing program\n", 18 [pid 6056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6057] <... write resumed>) = 18 [pid 6056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6057] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6058 attached ) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6058] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6051] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6058] <... rseq resumed>) = 0 [pid 6058] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6053] ftruncate(4, 33554441 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6057] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... mprotect resumed>) = 0 [pid 6056] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 0 [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6056] <... futex resumed>) = 1 [pid 6058] memfd_create("syzkaller", 0 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6056] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6055] <... ioctl resumed>) = 0 [pid 6058] <... memfd_create resumed>) = 3 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6055] close(3./strace-static-x86_64: Process 6059 attached [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6055] <... close resumed>) = 0 [pid 6059] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6055] close(4 [pid 6054] <... mount resumed>) = 0 [pid 6057] <... clone3 resumed> => {parent_tid=[6059]}, 88) = 6059 [pid 6059] <... rseq resumed>) = 0 [pid 6058] <... mmap resumed>) = 0x7f3f93e00000 [pid 6055] <... close resumed>) = 0 [pid 6055] mkdir("./file0", 0777) = 0 [ 71.277040][ T6055] loop1: detected capacity change from 0 to 1024 [pid 6055] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6059] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6059] <... set_robust_list resumed>) = 0 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... openat resumed>) = 3 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6059] memfd_create("syzkaller", 0 [pid 6057] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6055] <... mount resumed>) = 0 [pid 6054] chdir("./file0" [pid 6059] <... memfd_create resumed>) = 3 [pid 6055] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6055] <... openat resumed>) = 3 [pid 6059] <... mmap resumed>) = 0x7f3f93e00000 [pid 6055] chdir("./file0") = 0 [pid 6054] <... chdir resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6055] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6055] <... futex resumed>) = 1 [pid 6054] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6052] <... futex resumed>) = 0 [pid 6051] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6052] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6055] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6054] <... futex resumed>) = 1 [pid 6052] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6050] <... futex resumed>) = 0 [pid 6058] <... write resumed>) = 524288 [pid 6051] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6050] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6055] <... openat resumed>) = 4 [pid 6054] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6051] <... mprotect resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6054] <... openat resumed>) = 4 [pid 6051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6050] <... futex resumed>) = 0 [pid 6050] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6060 attached ) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6055] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6051] <... clone3 resumed> => {parent_tid=[6060]}, 88) = 6060 [pid 6050] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] <... futex resumed>) = 0 [pid 6060] <... rseq resumed>) = 0 [pid 6052] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] ftruncate(4, 33554441 [pid 6054] ftruncate(4, 33554441 [pid 6052] <... futex resumed>) = 0 [pid 6052] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6058] ioctl(4, LOOP_SET_FD, 3 [pid 6060] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6059] <... write resumed>) = 524288 [pid 6058] <... ioctl resumed>) = 0 [pid 6053] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6051] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] munmap(0x7f3f93e00000, 138412032 [pid 6058] close(3 [pid 6053] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] <... munmap resumed>) = 0 [pid 6058] <... close resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6051] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6058] close(4 [pid 6060] <... unlinkat resumed>) = 0 [pid 6059] <... openat resumed>) = 4 [pid 6058] <... close resumed>) = 0 [pid 6060] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6058] mkdir("./file0", 0777 [pid 6051] <... futex resumed>) = 0 [pid 6060] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] ioctl(4, LOOP_SET_FD, 3 [pid 6058] <... mkdir resumed>) = 0 [pid 6051] exit_group(0 [pid 6060] <... futex resumed>) = ? [pid 6053] <... futex resumed>) = ? [pid 6051] <... exit_group resumed>) = ? [pid 6060] +++ exited with 0 +++ [pid 6053] +++ exited with 0 +++ [pid 6051] +++ exited with 0 +++ [pid 6058] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 71.366560][ T6058] loop0: detected capacity change from 0 to 1024 [ 71.394149][ T6059] loop2: detected capacity change from 0 to 1024 [pid 6052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] unlink("./14/binderfs" [pid 6052] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... unlink resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 5832] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6054] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6052] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6050] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6052] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6050] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... mount resumed>) = 0 [pid 6050] <... mprotect resumed>) = 0 [pid 6055] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6058] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6055] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6059] <... ioctl resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6055] <... futex resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] close(3 [pid 6058] chdir("./file0" [pid 6055] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6052] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6061 attached [pid 6059] <... close resumed>) = 0 [pid 6058] <... chdir resumed>) = 0 [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 6061] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6052] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] <... rseq resumed>) = 0 [pid 6061] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] close(4 [pid 6058] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6050] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6062 attached [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] <... close resumed>) = 0 [pid 6058] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6052] <... clone3 resumed> => {parent_tid=[6062]}, 88) = 6062 [pid 6050] <... futex resumed>) = 0 [pid 6062] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] mkdir("./file0", 0777 [pid 6058] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... rseq resumed>) = 0 [pid 6061] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6059] <... mkdir resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6054] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6061] <... unlinkat resumed>) = 0 [pid 6059] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6058] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 0 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6056] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... openat resumed>) = 4 [pid 6056] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6061] <... futex resumed>) = 1 [pid 6058] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6062] <... unlinkat resumed>) = 0 [pid 6061] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... futex resumed>) = 0 [pid 6056] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] exit_group(0 [pid 6058] ftruncate(4, 33554441 [pid 6056] <... futex resumed>) = 0 [pid 6062] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6062] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] <... futex resumed>) = ? [pid 6056] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = ? [pid 6052] <... futex resumed>) = 0 [pid 6050] <... exit_group resumed>) = ? [pid 6061] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ [pid 6052] exit_group(0 [pid 6062] <... futex resumed>) = ? [pid 6055] <... futex resumed>) = ? [pid 6052] <... exit_group resumed>) = ? [pid 6062] +++ exited with 0 +++ [pid 6059] <... mount resumed>) = 0 [pid 6055] +++ exited with 0 +++ [pid 6052] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6059] chdir("./file0" [pid 5830] <... openat resumed>) = 3 [pid 6059] <... chdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6059] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(3, [pid 6059] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6059] <... futex resumed>) = 1 [pid 6057] <... futex resumed>) = 0 [pid 5830] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6057] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6057] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6057] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 71.419852][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 6059] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5833] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6059] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(3, "", [pid 5832] newfstatat(AT_FDCWD, "./14/file0", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6059] <... futex resumed>) = 1 [pid 6057] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./15/binderfs" [pid 6059] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [pid 5832] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] ftruncate(4, 33554441 [pid 6057] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./14/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3) = 0 [pid 6058] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6056] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5832] rmdir("./14" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6058] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] unlink("./15/binderfs" [pid 6058] <... futex resumed>) = 0 [pid 6056] <... futex resumed>) = 0 [pid 6058] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6056] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... unlink resumed>) = 0 [pid 5832] mkdir("./15", 0777 [ 71.488918][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6058] <... unlinkat resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6058] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(3 [pid 6059] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6058] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6057] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6057] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... close resumed>) = 0 [pid 6057] <... mprotect resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6056] exit_group(0) = ? [pid 6058] <... futex resumed>) = ? [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6063 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6063 attached [pid 6059] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] +++ exited with 0 +++ [pid 6057] <... clone3 resumed> => {parent_tid=[6064]}, 88) = 6064 [pid 6056] +++ exited with 0 +++ [pid 6059] <... futex resumed>) = 0 [pid 6063] set_robust_list(0x5555832d26a0, 24 [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] <... set_robust_list resumed>) = 0 [pid 6059] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6057] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6057] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6064 attached [pid 6057] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6063] chdir("./15" [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6064] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] unlink("./15/binderfs" [pid 6064] <... rseq resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./15/file0", [pid 5829] <... unlink resumed>) = 0 [pid 6064] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6063] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6063] <... prctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6064] <... set_robust_list resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] setpgid(0, 0 [pid 5830] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] <... setpgid resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6064] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] newfstatat(4, "", [pid 6064] <... unlinkat resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 71.533387][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 6064] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 6064] <... futex resumed>) = 1 [pid 6057] <... futex resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6057] exit_group(0 [pid 5830] getdents64(4, [pid 6057] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./15/file0") = 0 [pid 6064] +++ exited with 0 +++ [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5833] newfstatat(AT_FDCWD, "./15/file0", [pid 6063] write(3, "1000", 4 [pid 6059] <... futex resumed>) = ? [pid 5830] rmdir("./15") = 0 [pid 5830] mkdir("./16", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6059] +++ exited with 0 +++ [pid 6057] +++ exited with 0 +++ [pid 6063] <... write resumed>) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6063] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 6063] <... close resumed>) = 0 [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6063] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6063] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 6063] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6063] <... write resumed>) = 18 [pid 5831] <... openat resumed>) = 3 [pid 6063] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5831] newfstatat(3, "", [pid 6063] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6063] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6063] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] unlink("./15/binderfs") = 0 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 6063] <... mmap resumed>) = 0x7f3f9c25c000 ./strace-static-x86_64: Process 6065 attached [pid 6063] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6065 [pid 5833] getdents64(4, [pid 6063] <... mprotect resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [ 71.579703][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5833] rmdir("./15/file0" [pid 6065] set_robust_list(0x5555832d26a0, 24 [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... rmdir resumed>) = 0 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6065] chdir("./16") = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6065] setpgid(0, 0) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(3, [pid 6063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6065] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6066 attached [pid 5833] close(3 [pid 6066] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6065] write(3, "1000", 4 [pid 5833] <... close resumed>) = 0 [pid 6066] <... rseq resumed>) = 0 [pid 6066] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6065] <... write resumed>) = 4 [pid 5833] rmdir("./15" [pid 6066] <... set_robust_list resumed>) = 0 [pid 6063] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] close(3 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... rmdir resumed>) = 0 [pid 5829] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] <... close resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] mkdir("./16", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] symlink("/dev/binderfs", "./binderfs" [pid 6063] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./15/file0", [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... symlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6066] memfd_create("syzkaller", 0 [pid 6065] write(1, "executing program\n", 18 [pid 6063] <... futex resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6063] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6066] <... memfd_create resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... mmap resumed>) = 0x7f3f93e00000 executing program [pid 5833] close(3 [pid 5829] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6065] <... write resumed>) = 18 [pid 5833] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6065] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(4, "", [pid 6066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6065] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] getdents64(4, [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] getdents64(4, [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6066] <... write resumed>) = 524288 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./15/file0" [pid 6066] munmap(0x7f3f93e00000, 138412032 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6065] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] close(3 [pid 6065] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... close resumed>) = 0 [pid 6065] <... mprotect resumed>) = 0 [ 71.622241][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5829] rmdir("./15" [pid 6066] <... munmap resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... rmdir resumed>) = 0 [pid 6066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6066] ioctl(4, LOOP_SET_FD, 3 [pid 5829] mkdir("./16", 0777) = 0 [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6065] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6065] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6065] <... futex resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6065] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] close(3./strace-static-x86_64: Process 6067 attached ) = 0 [pid 6067] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6067] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6069 attached ./strace-static-x86_64: Process 6068 attached [pid 6067] memfd_create("syzkaller", 0) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6069 [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6069] set_robust_list(0x5555832d26a0, 24 [pid 6068] set_robust_list(0x5555832d26a0, 24 [pid 6067] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6068 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] chdir("./16") = 0 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6069] chdir("./16" [pid 6068] <... prctl resumed>) = 0 [pid 6067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6066] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... chdir resumed>) = 0 [pid 6068] setpgid(0, 0 [pid 5831] newfstatat(AT_FDCWD, "./15/file0", [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] <... setpgid resumed>) = 0 [pid 6066] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6069] <... prctl resumed>) = 0 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6069] setpgid(0, 0 [pid 6066] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... setpgid resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] newfstatat(4, "", [pid 6068] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6069] <... openat resumed>) = 3 [pid 6068] write(3, "1000", 4 [pid 6066] close(4 [pid 5831] getdents64(4, [pid 6069] write(3, "1000", 4 [pid 6068] <... write resumed>) = 4 [pid 6067] <... write resumed>) = 524288 [pid 6066] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6066] mkdir("./file0", 0777 [pid 6069] <... write resumed>) = 4 [pid 6068] close(3 [pid 5831] getdents64(4, [pid 6069] close(3 [pid 6068] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6069] <... close resumed>) = 0 [pid 6068] symlink("/dev/binderfs", "./binderfs" [pid 5831] close(4 [pid 6068] <... symlink resumed>) = 0 [pid 6066] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6069] symlink("/dev/binderfs", "./binderfs" [pid 6068] write(1, "executing program\n", 18 [pid 5831] rmdir("./15/file0"executing program [pid 6069] <... symlink resumed>) = 0 [pid 6068] <... write resumed>) = 18 [pid 6066] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... rmdir resumed>) = 0 [pid 6068] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(3, [pid 6068] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6068] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] close(3 [pid 6068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] rmdir("./15" [pid 6069] write(1, "executing program\n", 18 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5831] <... rmdir resumed>) = 0 [pid 6069] <... write resumed>) = 18 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6069] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6069] <... futex resumed>) = 0 [ 71.683847][ T6066] loop3: detected capacity change from 0 to 1024 [pid 6068] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6069] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6067] munmap(0x7f3f93e00000, 138412032 [pid 5831] mkdir("./16", 0777 [pid 6069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6067] <... munmap resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6070 attached [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6069] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6068] <... clone3 resumed> => {parent_tid=[6070]}, 88) = 6070 [pid 6069] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... openat resumed>) = 4 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6070] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6069] <... mprotect resumed>) = 0 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6070] <... rseq resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6068] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... mount resumed>) = 0 [pid 6070] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... futex resumed>) = 0 [pid 6066] <... openat resumed>) = 3 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6067] <... ioctl resumed>) = 0 [pid 6066] chdir("./file0" [pid 5831] close(3 [pid 6070] memfd_create("syzkaller", 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6071 attached [pid 6070] <... memfd_create resumed>) = 3 [pid 6067] close(3 [pid 6066] <... chdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6069] <... clone3 resumed> => {parent_tid=[6071]}, 88) = 6071 [pid 6067] <... close resumed>) = 0 [pid 6066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6070] <... mmap resumed>) = 0x7f3f93e00000 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] close(4 [pid 6066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] <... rseq resumed>) = 0 [pid 6070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6071] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6069] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6069] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6066] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... close resumed>) = 0 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] memfd_create("syzkaller", 0) = 3 [pid 6067] mkdir("./file0", 0777 [pid 6066] <... futex resumed>) = 1 [pid 6063] <... futex resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6063] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 6072 attached [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6067] <... mkdir resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6071] <... mmap resumed>) = 0x7f3f93e00000 [pid 6066] <... openat resumed>) = 4 [pid 6063] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6072 [pid 6067] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6066] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] set_robust_list(0x5555832d26a0, 24 [pid 6063] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6066] ftruncate(4, 33554441 [pid 6063] <... futex resumed>) = 0 [pid 6072] chdir("./16") = 0 [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6063] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] <... write resumed>) = 524288 [pid 6067] <... mount resumed>) = 0 [pid 6072] <... prctl resumed>) = 0 [pid 6072] setpgid(0, 0) = 0 [pid 6067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] <... openat resumed>) = 3 [pid 6067] chdir("./file0" [pid 6072] <... openat resumed>) = 3 [pid 6070] <... write resumed>) = 524288 [ 71.750310][ T6067] loop1: detected capacity change from 0 to 1024 [pid 6072] write(3, "1000", 4 [pid 6067] <... chdir resumed>) = 0 [pid 6070] munmap(0x7f3f93e00000, 138412032 [pid 6067] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6071] munmap(0x7f3f93e00000, 138412032 [pid 6070] <... munmap resumed>) = 0 [pid 6067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6072] <... write resumed>) = 4 [pid 6071] <... munmap resumed>) = 0 [pid 6070] <... openat resumed>) = 4 [pid 6071] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6070] ioctl(4, LOOP_SET_FD, 3 [pid 6072] close(3 [pid 6071] <... openat resumed>) = 4 [pid 6067] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... close resumed>) = 0 [pid 6071] ioctl(4, LOOP_SET_FD, 3 [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 6067] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 executing program [pid 6065] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6072] <... symlink resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6072] write(1, "executing program\n", 18 [pid 6065] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... write resumed>) = 18 [pid 6070] <... ioctl resumed>) = 0 [pid 6067] <... openat resumed>) = 4 [pid 6067] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] close(3 [pid 6067] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6070] <... close resumed>) = 0 [pid 6067] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6070] close(4 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6070] <... close resumed>) = 0 [pid 6067] ftruncate(4, 33554441 [pid 6065] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] mkdir("./file0", 0777 [pid 6072] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6070] <... mkdir resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6070] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6072] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6072] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6063] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6071] <... ioctl resumed>) = 0 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] close(3 [pid 6072] <... clone3 resumed> => {parent_tid=[6073]}, 88) = 6073 [pid 6071] <... close resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] close(4./strace-static-x86_64: Process 6073 attached [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... close resumed>) = 0 [pid 6072] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] mkdir("./file0", 0777 [pid 6073] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6072] <... futex resumed>) = 0 [pid 6071] <... mkdir resumed>) = 0 [pid 6073] <... rseq resumed>) = 0 [pid 6072] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6071] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6073] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6063] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6073] memfd_create("syzkaller", 0) = 3 [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6070] <... mount resumed>) = 0 [pid 6063] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6063] <... mprotect resumed>) = 0 [pid 6070] chdir("./file0" [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6070] <... chdir resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6074 attached [pid 6073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6070] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6063] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 6074] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... rseq resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6063] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6063] <... futex resumed>) = 0 [ 71.815167][ T6070] loop4: detected capacity change from 0 to 1024 [ 71.822364][ T6071] loop0: detected capacity change from 0 to 1024 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6070] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6068] <... futex resumed>) = 0 [pid 6070] <... openat resumed>) = 4 [pid 6068] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6065] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6065] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6074] unlinkat(AT_FDCWD, "./file0/file1", 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6075 attached [pid 6071] <... mount resumed>) = 0 [pid 6070] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6070] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6065] <... clone3 resumed> => {parent_tid=[6075]}, 88) = 6075 [pid 6075] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6071] <... openat resumed>) = 3 [pid 6070] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6065] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... rseq resumed>) = 0 [pid 6073] <... write resumed>) = 524288 [pid 6071] chdir("./file0" [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6073] munmap(0x7f3f93e00000, 138412032 [pid 6071] <... chdir resumed>) = 0 [pid 6070] ftruncate(4, 33554441 [pid 6065] <... futex resumed>) = 0 [pid 6073] <... munmap resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6071] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6071] <... futex resumed>) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6073] <... openat resumed>) = 4 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6069] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6071] <... openat resumed>) = 4 [pid 6069] <... futex resumed>) = 0 [pid 6074] <... unlinkat resumed>) = 0 [pid 6075] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6073] <... ioctl resumed>) = 0 [pid 6069] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6075] <... unlinkat resumed>) = 0 [pid 6074] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6074] <... futex resumed>) = 1 [pid 6063] <... futex resumed>) = 0 [pid 6074] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] <... futex resumed>) = 0 [pid 6063] exit_group(0) = ? [pid 6074] <... futex resumed>) = ? [pid 6066] +++ exited with 0 +++ [pid 6075] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 1 [pid 6075] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] +++ exited with 0 +++ [pid 6069] <... futex resumed>) = 0 [pid 6067] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] +++ exited with 0 +++ [pid 6069] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6065] exit_group(0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6075] <... futex resumed>) = ? [pid 6071] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6065] <... exit_group resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6075] +++ exited with 0 +++ [pid 6073] close(3 [pid 6071] ftruncate(4, 33554441 [pid 6069] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... futex resumed>) = ? [pid 6073] <... close resumed>) = 0 [pid 6073] close(4) = 0 [pid 6073] mkdir("./file0", 0777) = 0 [pid 6073] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6067] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6068] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6068] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6068] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6068] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] unlink("./15/binderfs" [pid 6068] <... mprotect resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6076]}, 88) = 6076 ./strace-static-x86_64: Process 6076 attached [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [ 71.904569][ T6073] loop2: detected capacity change from 0 to 1024 [pid 6076] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] <... rseq resumed>) = 0 [pid 6068] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6076] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6073] <... mount resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6073] chdir("./file0") = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] getdents64(3, [pid 6073] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6076] <... unlinkat resumed>) = 0 [pid 6070] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6076] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6076] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] exit_group(0 [pid 6076] <... futex resumed>) = ? [pid 6070] <... futex resumed>) = ? [pid 6068] <... exit_group resumed>) = ? [pid 6076] +++ exited with 0 +++ [pid 6070] +++ exited with 0 +++ [pid 6073] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6072] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] +++ exited with 0 +++ [pid 5830] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6072] <... futex resumed>) = 0 [pid 6073] <... openat resumed>) = 4 [pid 6072] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6072] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6072] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] ftruncate(4, 33554441 [pid 6069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6069] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6069] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6077 attached => {parent_tid=[6077]}, 88) = 6077 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6069] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6069] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6077] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5833] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] unlink("./16/binderfs" [pid 5833] newfstatat(3, "", [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 71.951146][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./16/binderfs") = 0 [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6077] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6077] <... futex resumed>) = 1 [pid 6077] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] <... futex resumed>) = 0 [pid 6071] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6073] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6071] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6073] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6069] exit_group(0 [pid 6077] <... futex resumed>) = ? [pid 6069] <... exit_group resumed>) = ? [pid 6077] +++ exited with 0 +++ [pid 6072] <... futex resumed>) = 0 [pid 6072] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6073] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6072] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... futex resumed>) = ? [pid 6073] <... unlinkat resumed>) = 0 [pid 6071] +++ exited with 0 +++ [pid 6069] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6073] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] <... futex resumed>) = 1 [pid 6073] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6072] exit_group(0 [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] <... futex resumed>) = ? [pid 6072] <... exit_group resumed>) = ? [pid 5832] rmdir("./15/file0") = 0 [pid 5832] getdents64(3, [pid 6073] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5831] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./16/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./15" [pid 5831] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 5829] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] newfstatat(AT_FDCWD, "./16/file0", [pid 5832] mkdir("./16", 0777 [pid 5831] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5830] getdents64(4, [pid 5829] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./16/binderfs" [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] unlink("./16/binderfs" [pid 5833] <... openat resumed>) = 4 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [ 72.024625][ T35] hfsplus: b-tree write err: -5, ino 4 [ 72.044613][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5833] newfstatat(4, "", [pid 5832] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5832] close(3 [pid 5829] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./16/file0" [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] close(3 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] rmdir("./16/file0" [pid 5830] rmdir("./16" [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./17", 0777 [pid 5833] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... close resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] rmdir("./16") = 0 [pid 5833] mkdir("./17", 0777) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6078 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3./strace-static-x86_64: Process 6078 attached [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6078] set_robust_list(0x5555832d26a0, 24 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6078] <... set_robust_list resumed>) = 0 [pid 6078] chdir("./16" [pid 5830] <... ioctl resumed>) = 0 [pid 6078] <... chdir resumed>) = 0 [pid 5830] close(3 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6078] <... prctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] setpgid(0, 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6080 attached ./strace-static-x86_64: Process 6079 attached [pid 6078] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6080] set_robust_list(0x5555832d26a0, 24 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6079 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6080] chdir("./17") = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6080 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6080] setpgid(0, 0 [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6078] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] chdir("./17" [pid 6078] write(3, "1000", 4 [pid 5831] newfstatat(AT_FDCWD, "./16/file0", [pid 6079] <... chdir resumed>) = 0 [pid 6078] <... write resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] close(3 [pid 6079] <... prctl resumed>) = 0 [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... close resumed>) = 0 [pid 6079] setpgid(0, 0 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... setpgid resumed>) = 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6078] <... symlink resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] write(1, "executing program\n", 18 [pid 5831] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6080] <... openat resumed>) = 3 [pid 6079] <... openat resumed>) = 3 [pid 6078] <... write resumed>) = 18 [pid 5831] <... openat resumed>) = 4 [pid 6079] write(3, "1000", 4 [pid 6078] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... write resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6079] close(3 [pid 6078] <... futex resumed>) = 0 [pid 6080] write(3, "1000", 4 [pid 6079] <... close resumed>) = 0 [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] getdents64(4, executing program [pid 6080] <... write resumed>) = 4 [pid 6079] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6079] write(1, "executing program\n", 18 [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] getdents64(4, [pid 6079] <... write resumed>) = 18 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6080] close(3 [pid 6079] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] close(4 [pid 6080] <... close resumed>) = 0 executing program [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... close resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6078] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6080] write(1, "executing program\n", 18 [pid 5831] rmdir("./16/file0" [pid 6080] <... write resumed>) = 18 [pid 6079] <... futex resumed>) = 0 [pid 6078] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6080] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6078] <... mprotect resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] close(3 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... close resumed>) = 0 [pid 6079] <... mmap resumed>) = 0x7f3f9c25c000 ./strace-static-x86_64: Process 6081 attached [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] rmdir("./16" [pid 6081] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6079] <... mprotect resumed>) = 0 [pid 6081] <... rseq resumed>) = 0 [ 72.080700][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 72.120240][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6080] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6078] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 5831] <... rmdir resumed>) = 0 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6080] <... mprotect resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] mkdir("./17", 0777 [pid 5829] <... umount2 resumed>) = 0 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6082 attached [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6078] <... futex resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./16/file0", ./strace-static-x86_64: Process 6083 attached [pid 6082] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6083] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6082] <... rseq resumed>) = 0 [pid 6081] memfd_create("syzkaller", 0 [pid 6080] <... clone3 resumed> => {parent_tid=[6083]}, 88) = 6083 [pid 6079] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 6078] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6083] <... rseq resumed>) = 0 [pid 6082] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6081] <... memfd_create resumed>) = 3 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6083] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... mmap resumed>) = 0x7f3f93e00000 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... futex resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] memfd_create("syzkaller", 0 [pid 6082] memfd_create("syzkaller", 0 [pid 6080] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6080] <... futex resumed>) = 0 [pid 5831] close(3 [pid 5829] newfstatat(4, "", [pid 6083] <... memfd_create resumed>) = 3 [pid 6080] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6082] <... memfd_create resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(4, [pid 6082] <... mmap resumed>) = 0x7f3f93e00000 [pid 6083] <... mmap resumed>) = 0x7f3f93e00000 [pid 6082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6085 attached [pid 6083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6081] <... write resumed>) = 524288 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6085 [pid 5829] getdents64(4, [pid 6085] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6085] <... set_robust_list resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6085] chdir("./17" [pid 5829] rmdir("./16/file0" [pid 6082] <... write resumed>) = 524288 [pid 6085] <... chdir resumed>) = 0 [pid 6081] munmap(0x7f3f93e00000, 138412032 [pid 5829] <... rmdir resumed>) = 0 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] munmap(0x7f3f93e00000, 138412032 [pid 6081] <... munmap resumed>) = 0 [pid 5829] getdents64(3, [pid 6085] <... prctl resumed>) = 0 [pid 6085] setpgid(0, 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6085] <... setpgid resumed>) = 0 [pid 6082] <... munmap resumed>) = 0 [pid 5829] close(3 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... close resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] rmdir("./16" [pid 6085] <... openat resumed>) = 3 [pid 6082] <... openat resumed>) = 4 [pid 6081] <... openat resumed>) = 4 [pid 5829] <... rmdir resumed>) = 0 [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 5829] mkdir("./17", 0777 [pid 6083] <... write resumed>) = 524288 [pid 6083] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6083] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6083] ioctl(4, LOOP_SET_FD, 3 [pid 6082] <... ioctl resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6085] write(3, "1000", 4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6085] <... write resumed>) = 4 [pid 6085] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6085] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 6082] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 6085] <... symlink resumed>) = 0 [pid 6083] <... ioctl resumed>) = 0 [pid 6082] <... close resumed>) = 0 [pid 6081] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6085] write(1, "executing program\n", 18 [pid 6082] close(4executing program [pid 6081] close(3 [pid 6085] <... write resumed>) = 18 [pid 6083] close(3 [pid 6082] <... close resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6085] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [ 72.243134][ T6082] loop1: detected capacity change from 0 to 1024 [ 72.248287][ T6083] loop4: detected capacity change from 0 to 1024 [ 72.250385][ T6081] loop3: detected capacity change from 0 to 1024 [pid 6082] mkdir("./file0", 0777 [pid 6083] <... close resumed>) = 0 [pid 6082] <... mkdir resumed>) = 0 [pid 6082] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6085] <... futex resumed>) = 0 [pid 6081] close(4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] close(4 [pid 6081] <... close resumed>) = 0 ./strace-static-x86_64: Process 6086 attached [pid 6081] mkdir("./file0", 0777 [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6086 [pid 6083] <... close resumed>) = 0 [pid 6081] <... mkdir resumed>) = 0 [pid 6086] set_robust_list(0x5555832d26a0, 24 [pid 6085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6083] mkdir("./file0", 0777 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6083] <... mkdir resumed>) = 0 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] chdir("./17" [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6083] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6086] <... chdir resumed>) = 0 [pid 6085] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6082] <... mount resumed>) = 0 [pid 6081] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6086] <... prctl resumed>) = 0 [pid 6085] <... mprotect resumed>) = 0 [pid 6086] setpgid(0, 0 [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6086] <... setpgid resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6082] <... openat resumed>) = 3 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] chdir("./file0") = 0 [pid 6086] <... openat resumed>) = 3 [pid 6082] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6087 attached [pid 6086] write(3, "1000", 4 [pid 6082] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... mount resumed>) = 0 [pid 6087] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6086] <... write resumed>) = 4 [pid 6085] <... clone3 resumed> => {parent_tid=[6087]}, 88) = 6087 [pid 6082] <... futex resumed>) = 1 [pid 6081] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6079] <... futex resumed>) = 0 [pid 6087] <... rseq resumed>) = 0 [pid 6086] close(3 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6086] <... close resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... openat resumed>) = 3 [pid 6079] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] symlink("/dev/binderfs", "./binderfs" [pid 6085] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6081] chdir("./file0" [pid 6079] <... futex resumed>) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... futex resumed>) = 0 [pid 6079] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] <... symlink resumed>) = 0 [pid 6082] <... openat resumed>) = 4 [pid 6081] <... chdir resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6086] write(1, "executing program\n", 18 [pid 6087] memfd_create("syzkaller", 0 [pid 6086] <... write resumed>) = 18 [pid 6087] <... memfd_create resumed>) = 3 [pid 6086] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... mount resumed>) = 0 [pid 6082] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 1 [pid 6081] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = 0 [pid 6086] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6082] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... mmap resumed>) = 0x7f3f93e00000 [pid 6086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6082] ftruncate(4, 33554441 [pid 6081] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6078] <... futex resumed>) = 0 [pid 6083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6081] <... openat resumed>) = 4 [pid 6078] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... openat resumed>) = 3 [pid 6086] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6083] chdir("./file0" [pid 6086] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6081] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... mprotect resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6081] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6083] <... chdir resumed>) = 0 [pid 6081] ftruncate(4, 33554441 [pid 6078] <... futex resumed>) = 0 [pid 6086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] openat(AT_FDCWD, "/dev/loop4", O_RDWR [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6083] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6083] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6088 attached [pid 6083] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6080] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... clone3 resumed> => {parent_tid=[6088]}, 88) = 6088 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] <... openat resumed>) = 4 [pid 6080] <... futex resumed>) = 0 [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6086] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... rseq resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6088] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6086] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6083] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6080] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] memfd_create("syzkaller", 0 [pid 6083] ftruncate(4, 33554441 [pid 6088] <... memfd_create resumed>) = 3 [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] <... write resumed>) = 524288 [pid 6079] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6087] munmap(0x7f3f93e00000, 138412032 [pid 6079] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6087] <... munmap resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... openat resumed>) = 4 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6089 attached [pid 6082] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6080] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6080] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6090 attached => {parent_tid=[6090]}, 88) = 6090 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6078] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6090] <... rseq resumed>) = 0 [pid 6089] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6088] <... write resumed>) = 524288 [pid 6087] ioctl(4, LOOP_SET_FD, 3 [pid 6080] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6089] <... rseq resumed>) = 0 [pid 6088] munmap(0x7f3f93e00000, 138412032 [pid 6082] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6090] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6089] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6088] <... munmap resumed>) = 0 [pid 6087] <... ioctl resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6080] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6090] <... set_robust_list resumed>) = 0 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6087] close(3 [pid 6082] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] <... openat resumed>) = 4 [pid 6087] <... close resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6081] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6079] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6091 attached [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] ioctl(4, LOOP_SET_FD, 3 [pid 6087] close(4 [pid 6081] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6090] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6089] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6090] <... unlinkat resumed>) = 0 [pid 6090] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6090] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6091] <... rseq resumed>) = 0 [pid 6089] <... unlinkat resumed>) = 0 [pid 6088] <... ioctl resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6078] <... clone3 resumed> => {parent_tid=[6091]}, 88) = 6091 [pid 6091] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6089] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] close(3 [pid 6087] mkdir("./file0", 0777 [pid 6083] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] exit_group(0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] <... futex resumed>) = ? [pid 6089] <... futex resumed>) = 1 [pid 6088] <... close resumed>) = 0 [pid 6087] <... mkdir resumed>) = 0 [pid 6083] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6079] <... futex resumed>) = 0 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] +++ exited with 0 +++ [pid 6089] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] close(4 [pid 6083] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 6079] exit_group(0 [pid 6078] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] <... futex resumed>) = ? [pid 6088] <... close resumed>) = 0 [pid 6087] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6082] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? [pid 6078] <... futex resumed>) = 0 [pid 6091] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6089] +++ exited with 0 +++ [pid 6082] +++ exited with 0 +++ [pid 6078] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] mkdir("./file0", 0777 [pid 6079] +++ exited with 0 +++ [pid 6091] <... unlinkat resumed>) = 0 [pid 6088] <... mkdir resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6091] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6091] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6091] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] exit_group(0 [pid 6081] <... futex resumed>) = ? [pid 6078] <... exit_group resumed>) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6081] +++ exited with 0 +++ [pid 6091] <... futex resumed>) = ? [pid 6087] <... mount resumed>) = 0 [pid 6087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 72.435487][ T6087] loop2: detected capacity change from 0 to 1024 [ 72.454493][ T6088] loop0: detected capacity change from 0 to 1024 [pid 5830] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6087] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 6087] chdir("./file0" [pid 5830] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6087] <... chdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] getdents64(3, [pid 6087] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6091] +++ exited with 0 +++ [pid 6087] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6078] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6087] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6087] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6088] <... mount resumed>) = 0 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6087] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6085] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] unlink("./17/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] <... openat resumed>) = 3 [pid 6087] <... openat resumed>) = 4 [pid 5833] <... unlink resumed>) = 0 [pid 5830] unlink("./17/binderfs" [pid 6088] chdir("./file0" [pid 6087] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... chdir resumed>) = 0 [pid 6087] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6087] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6087] ftruncate(4, 33554441 [pid 6085] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./16/binderfs") = 0 [pid 5832] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6088] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6086] <... futex resumed>) = 0 [pid 6088] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6086] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6088] <... openat resumed>) = 4 [pid 6086] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6088] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = 0 [pid 6085] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6086] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6085] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6088] ftruncate(4, 33554441 [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6092 attached => {parent_tid=[6092]}, 88) = 6092 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6092] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6085] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6085] <... futex resumed>) = 0 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6085] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] unlinkat(AT_FDCWD, "./file0/file1", 0 [ 72.541297][ T35] hfsplus: b-tree write err: -5, ino 4 [ 72.545390][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 72.568947][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6092] <... unlinkat resumed>) = 0 [pid 6087] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6092] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./17/file0", [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6092] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6092] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./17/file0", [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5830] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(4, "", [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5833] close(4) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] rmdir("./17/file0" [pid 5830] getdents64(4, [pid 5832] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, [pid 5830] close(4 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] close(3 [pid 5830] rmdir("./17/file0" [pid 5833] <... close resumed>) = 0 [pid 6087] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] rmdir("./17" [pid 5832] newfstatat(AT_FDCWD, "./16/file0", [pid 5830] <... rmdir resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6085] exit_group(0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(3, [pid 6092] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 6092] +++ exited with 0 +++ [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] mkdir("./18", 0777 [pid 5832] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6087] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] rmdir("./17" [pid 5833] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] newfstatat(4, "", [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] mkdir("./18", 0777 [pid 6088] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] close(3 [pid 5832] getdents64(4, [pid 5831] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... mkdir resumed>) = 0 [pid 6088] <... futex resumed>) = 0 [pid 6086] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6086] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6088] <... unlinkat resumed>) = 0 [pid 6086] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] close(4 [pid 5831] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./16/file0" [pid 5830] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6088] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] rmdir("./16") = 0 [pid 6088] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... ioctl resumed>) = 0 [pid 6086] exit_group(0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 6086] <... exit_group resumed>) = ? [pid 6088] +++ exited with 0 +++ [pid 6086] +++ exited with 0 +++ [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6093 attached [pid 5832] mkdir("./17", 0777./strace-static-x86_64: Process 6094 attached [pid 6093] set_robust_list(0x5555832d26a0, 24 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] unlink("./17/binderfs" [pid 6093] <... set_robust_list resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 6093] chdir("./18" [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6094 [pid 6093] <... chdir resumed>) = 0 [pid 6094] set_robust_list(0x5555832d26a0, 24 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] <... prctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6093 [pid 6093] setpgid(0, 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6093] <... setpgid resumed>) = 0 [pid 5829] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6094] chdir("./18" [pid 5829] newfstatat(3, "", [pid 6094] <... chdir resumed>) = 0 [pid 6093] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] write(3, "1000", 4 [pid 6094] <... prctl resumed>) = 0 [pid 6093] <... write resumed>) = 4 [pid 5829] getdents64(3, [pid 6094] setpgid(0, 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6094] <... setpgid resumed>) = 0 [pid 6093] close(3 [pid 5829] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 5829] newfstatat(AT_FDCWD, "./17/binderfs", executing program [pid 6094] <... openat resumed>) = 3 [pid 6093] <... symlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6094] write(3, "1000", 4 [pid 6093] write(1, "executing program\n", 18 [pid 5829] unlink("./17/binderfs" [pid 6094] <... write resumed>) = 4 [pid 6093] <... write resumed>) = 18 [pid 6094] close(3 [pid 6093] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... unlink resumed>) = 0 [pid 6094] <... close resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 5829] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6094] symlink("/dev/binderfs", "./binderfs" [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, executing program ./strace-static-x86_64: Process 6095 attached [pid 6094] <... symlink resumed>) = 0 [pid 6093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6094] write(1, "executing program\n", 18 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] set_robust_list(0x5555832d26a0, 24 [pid 6094] <... write resumed>) = 18 [pid 6093] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] chdir("./17" [pid 6094] <... futex resumed>) = 0 [pid 6093] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... umount2 resumed>) = 0 [pid 6095] <... chdir resumed>) = 0 [pid 6094] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6093] <... mprotect resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6095 [pid 5829] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... prctl resumed>) = 0 [pid 6094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6095] setpgid(0, 0 [pid 6094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... setpgid resumed>) = 0 [pid 6094] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] newfstatat(AT_FDCWD, "./17/file0", [pid 6094] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6094] <... mprotect resumed>) = 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6096 attached [pid 6094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6093] <... clone3 resumed> => {parent_tid=[6096]}, 88) = 6096 [pid 5829] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6096] <... rseq resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5829] <... openat resumed>) = 4 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] <... openat resumed>) = 3 [pid 6093] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(4, "", [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] write(3, "1000", 4 [pid 6094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... write resumed>) = 4 [pid 6094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6093] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] getdents64(4, [pid 6096] memfd_create("syzkaller", 0 [pid 6095] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6097 attached [pid 6096] <... memfd_create resumed>) = 3 [pid 6095] <... close resumed>) = 0 [pid 6094] <... clone3 resumed> => {parent_tid=[6097]}, 88) = 6097 [pid 5829] getdents64(4, [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6096] <... mmap resumed>) = 0x7f3f93e00000 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] close(4 [pid 6097] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6095] <... symlink resumed>) = 0 [pid 6097] <... rseq resumed>) = 0 [pid 6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 6097] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5829] rmdir("./17/file0" [pid 6097] <... set_robust_list resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6097] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] getdents64(3, [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6095] write(1, "executing program\n", 18 [pid 6094] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] memfd_create("syzkaller", 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6094] <... futex resumed>) = 0 [pid 5829] close(3 [pid 6095] <... write resumed>) = 18 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./17" [pid 6095] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... rmdir resumed>) = 0 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] mkdir("./18", 0777 [pid 6095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6097] <... memfd_create resumed>) = 3 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... mkdir resumed>) = 0 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6095] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... openat resumed>) = 3 [pid 6096] <... write resumed>) = 524288 [ 72.722854][ T35] hfsplus: b-tree write err: -5, ino 4 [ 72.722854][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6096] munmap(0x7f3f93e00000, 138412032 [pid 6095] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6096] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6095] <... mprotect resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] close(3 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... close resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6096] <... openat resumed>) = 4 [pid 6095] <... clone3 resumed> => {parent_tid=[6098]}, 88) = 6098 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] ioctl(4, LOOP_SET_FD, 3 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] newfstatat(AT_FDCWD, "./17/file0", ./strace-static-x86_64: Process 6098 attached [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5831] getdents64(4, ./strace-static-x86_64: Process 6099 attached [pid 6098] <... rseq resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6098] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] getdents64(4, [pid 6098] <... set_robust_list resumed>) = 0 [pid 6099] set_robust_list(0x5555832d26a0, 24 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... write resumed>) = 524288 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6099 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6098] memfd_create("syzkaller", 0 [pid 6099] chdir("./18" [pid 5831] close(4 [pid 6099] <... chdir resumed>) = 0 [pid 6097] munmap(0x7f3f93e00000, 138412032 [pid 5831] <... close resumed>) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... munmap resumed>) = 0 [pid 5831] rmdir("./17/file0" [pid 6099] <... prctl resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 6099] setpgid(0, 0 [pid 6097] <... openat resumed>) = 4 [pid 5831] getdents64(3, [pid 6099] <... setpgid resumed>) = 0 [pid 6097] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] <... memfd_create resumed>) = 3 [pid 5831] close(3 [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] <... openat resumed>) = 3 [pid 6098] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] <... close resumed>) = 0 [pid 6099] write(3, "1000", 4 [pid 5831] rmdir("./17" [pid 6099] <... write resumed>) = 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6099] close(3 [pid 5831] mkdir("./18", 0777 [pid 6099] <... close resumed>) = 0 [pid 6096] <... ioctl resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs" [pid 6096] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6099] <... symlink resumed>) = 0 [pid 6096] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6099] write(1, "executing program\n", 18 [pid 6096] close(4 executing program [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6099] <... write resumed>) = 18 [pid 6096] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6099] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] mkdir("./file0", 0777 [pid 5831] close(3 [pid 6099] <... futex resumed>) = 0 [pid 6096] <... mkdir resumed>) = 0 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6096] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... close resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6097] <... ioctl resumed>) = 0 [pid 6096] <... mount resumed>) = 0 [pid 6099] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6097] close(3 [pid 6096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] <... close resumed>) = 0 [pid 6096] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6097] close(4 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6096] chdir("./file0"./strace-static-x86_64: Process 6100 attached [pid 6097] <... close resumed>) = 0 [pid 6097] mkdir("./file0", 0777 [pid 6096] <... chdir resumed>) = 0 [pid 6100] set_robust_list(0x5555832d26a0, 24 [pid 6099] <... clone3 resumed> => {parent_tid=[6101]}, 88) = 6101 [pid 6097] <... mkdir resumed>) = 0 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6100] chdir("./18" [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6100 [pid 6100] <... chdir resumed>) = 0 [pid 6099] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6096] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6101 attached [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] <... futex resumed>) = 0 [pid 6099] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6100] <... prctl resumed>) = 0 [pid 6096] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] setpgid(0, 0 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6101] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6100] <... setpgid resumed>) = 0 [pid 6096] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6093] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... openat resumed>) = 4 [pid 6101] <... rseq resumed>) = 0 [pid 6100] <... openat resumed>) = 3 [ 72.804167][ T6096] loop4: detected capacity change from 0 to 1024 [ 72.816600][ T6097] loop1: detected capacity change from 0 to 1024 [pid 6100] write(3, "1000", 4 [pid 6101] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6098] <... write resumed>) = 524288 [pid 6097] <... mount resumed>) = 0 [pid 6096] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6098] munmap(0x7f3f93e00000, 138412032 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] <... munmap resumed>) = 0 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] <... write resumed>) = 4 [pid 6097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6101] memfd_create("syzkaller", 0 [pid 6097] <... openat resumed>) = 3 [pid 6093] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] close(3 [pid 6097] chdir("./file0" [pid 6093] <... futex resumed>) = 0 [pid 6100] <... close resumed>) = 0 [pid 6097] <... chdir resumed>) = 0 [pid 6096] ftruncate(4, 33554441 [pid 6093] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... memfd_create resumed>) = 3 [pid 6100] symlink("/dev/binderfs", "./binderfs" [pid 6097] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6098] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... symlink resumed>) = 0 [pid 6098] <... openat resumed>) = 4 [pid 6097] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6097] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6094] <... futex resumed>) = 0 [pid 6097] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6094] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... mmap resumed>) = 0x7f3f93e00000 [pid 6098] ioctl(4, LOOP_SET_FD, 3 [pid 6097] <... openat resumed>) = 4 [pid 6094] <... futex resumed>) = 0 [pid 6094] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] write(1, "executing program\n", 18 [pid 6097] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... write resumed>) = 18 [pid 6100] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 1 [pid 6094] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6094] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6097] ftruncate(4, 33554441 [pid 6094] <... futex resumed>) = 0 [pid 6094] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6100] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], executing program [], 8) = 0 [pid 6100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6102 attached => {parent_tid=[6102]}, 88) = 6102 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6100] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... rseq resumed>) = 0 [pid 6102] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] <... write resumed>) = 524288 [pid 6098] <... ioctl resumed>) = 0 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] memfd_create("syzkaller", 0) = 3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6101] munmap(0x7f3f93e00000, 138412032 [pid 6098] close(3) = 0 [pid 6098] close(4) = 0 [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6101] <... munmap resumed>) = 0 [pid 6098] mkdir("./file0", 0777 [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6093] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6093] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6101] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6098] <... mkdir resumed>) = 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6101] <... openat resumed>) = 4 [pid 6098] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [ 72.888029][ T6098] loop3: detected capacity change from 0 to 1024 [pid 6101] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6103 attached [pid 6102] <... write resumed>) = 524288 [pid 6094] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6094] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] <... clone3 resumed> => {parent_tid=[6103]}, 88) = 6103 [pid 6103] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6103] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6093] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] <... futex resumed>) = 0 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6093] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6094] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6103] <... unlinkat resumed>) = 0 [pid 6094] <... mprotect resumed>) = 0 [pid 6103] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6103] <... futex resumed>) = 1 [pid 6094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6103] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6104 attached => {parent_tid=[6104]}, 88) = 6104 [pid 6094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6094] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] munmap(0x7f3f93e00000, 138412032 [pid 6094] <... futex resumed>) = 0 [pid 6102] <... munmap resumed>) = 0 [pid 6094] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6104] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6102] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] <... openat resumed>) = 4 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6098] <... mount resumed>) = 0 [pid 6104] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6104] <... unlinkat resumed>) = 0 [pid 6101] <... ioctl resumed>) = 0 [pid 6097] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6096] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6098] <... openat resumed>) = 3 [pid 6098] chdir("./file0") = 0 [pid 6101] close(3 [pid 6098] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6101] <... close resumed>) = 0 [pid 6097] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] close(4 [pid 6097] <... futex resumed>) = 0 [pid 6096] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... close resumed>) = 0 [pid 6097] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... futex resumed>) = 0 [pid 6098] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... futex resumed>) = 1 [pid 6104] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... futex resumed>) = 0 [pid 6094] exit_group(0 [pid 6093] exit_group(0) = ? [pid 6103] <... futex resumed>) = ? [pid 6103] +++ exited with 0 +++ [pid 6094] <... exit_group resumed>) = ? [pid 6104] <... futex resumed>) = ? [pid 6104] +++ exited with 0 +++ [pid 6097] <... futex resumed>) = ? [pid 6102] <... ioctl resumed>) = 0 [pid 6101] mkdir("./file0", 0777 [pid 6098] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6101] <... mkdir resumed>) = 0 [pid 6102] close(3 [pid 6101] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6098] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6097] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 6095] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6102] <... close resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6102] close(4 [pid 6095] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6102] <... close resumed>) = 0 [pid 6102] mkdir("./file0", 0777 [pid 6098] <... openat resumed>) = 4 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6102] <... mkdir resumed>) = 0 [pid 6102] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6098] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6101] <... mount resumed>) = 0 [pid 6098] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6101] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6098] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... openat resumed>) = 3 [pid 5833] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6101] chdir("./file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6101] <... chdir resumed>) = 0 [pid 6095] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6101] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6098] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6098] ftruncate(4, 33554441 [pid 6095] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6101] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 6101] <... futex resumed>) = 1 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6101] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] getdents64(3, [pid 6099] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] newfstatat(3, "", [pid 6099] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 6101] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6099] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6101] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./18/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 72.946917][ T6101] loop0: detected capacity change from 0 to 1024 [ 72.969887][ T6102] loop2: detected capacity change from 0 to 1024 [pid 6101] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6102] <... mount resumed>) = 0 [pid 6101] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6101] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... openat resumed>) = 3 [pid 6099] <... futex resumed>) = 0 [pid 6102] chdir("./file0" [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... chdir resumed>) = 0 [pid 5830] unlink("./18/binderfs" [pid 6102] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6101] ftruncate(4, 33554441 [pid 5830] <... unlink resumed>) = 0 [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6102] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6100] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... openat resumed>) = 4 [pid 6102] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6098] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6102] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] ftruncate(4, 33554441 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6098] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6098] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6095] exit_group(0) = ? [pid 6098] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6099] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./17/binderfs") = 0 [ 73.036387][ T35] hfsplus: b-tree write err: -5, ino 4 [ 73.052091][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5832] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] <... futex resumed>) = 0 [pid 6101] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6101] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6101] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6099] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] newfstatat(AT_FDCWD, "./18/file0", [pid 6099] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6099] <... mprotect resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6100] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6102] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] <... futex resumed>) = 0 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./18/file0", ./strace-static-x86_64: Process 6105 attached [pid 6102] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6099] <... clone3 resumed> => {parent_tid=[6105]}, 88) = 6105 [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... rseq resumed>) = 0 [pid 6100] <... mprotect resumed>) = 0 [pid 6099] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6099] <... futex resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 6105] <... set_robust_list resumed>) = 0 [pid 6099] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... openat resumed>) = 4 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] getdents64(4, [pid 5830] newfstatat(4, "", [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = 0 [pid 6105] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6106 attached [pid 6100] <... clone3 resumed> => {parent_tid=[6106]}, 88) = 6106 [pid 5833] getdents64(4, [pid 5832] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 6106] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6105] <... unlinkat resumed>) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6106] <... rseq resumed>) = 0 [pid 6105] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] close(4 [pid 5832] newfstatat(AT_FDCWD, "./17/file0", [pid 5830] getdents64(4, [pid 6106] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6105] <... futex resumed>) = 1 [pid 6100] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... futex resumed>) = 0 [pid 6099] exit_group(0 [pid 5833] rmdir("./18/file0" [pid 5832] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] <... futex resumed>) = ? [pid 6101] <... futex resumed>) = ? [pid 6100] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... exit_group resumed>) = ? [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] +++ exited with 0 +++ [pid 5833] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] rmdir("./18/file0" [pid 6106] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 6106] <... unlinkat resumed>) = 0 [pid 6105] +++ exited with 0 +++ [pid 6099] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5832] newfstatat(4, "", [pid 5830] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6106] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 0 [pid 5833] close(3 [pid 5832] getdents64(4, [pid 5830] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6106] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] <... futex resumed>) = ? [pid 6102] <... futex resumed>) = ? [pid 6100] <... exit_group resumed>) = ? [pid 5833] rmdir("./18" [pid 5830] rmdir("./18" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] +++ exited with 0 +++ [pid 6102] +++ exited with 0 +++ [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5833] mkdir("./19", 0777 [pid 5829] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./19", 0777 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] close(4 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6100] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./17/file0" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] getdents64(3, [pid 5832] getdents64(3, [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] close(3 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./17" [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] mkdir("./18", 0777 [pid 5829] unlink("./18/binderfs" [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [ 73.092870][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6107 attached [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6107 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6107] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6107] chdir("./19" [pid 5831] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6108 attached [pid 6107] <... chdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6108 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./18/binderfs") = 0 [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] set_robust_list(0x5555832d26a0, 24 [pid 6107] setpgid(0, 0 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6109 attached [pid 6108] chdir("./19" [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6109 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6108] <... chdir resumed>) = 0 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] <... openat resumed>) = 3 [pid 6108] <... prctl resumed>) = 0 [pid 6107] write(3, "1000", 4 [pid 6109] set_robust_list(0x5555832d26a0, 24 [pid 6108] setpgid(0, 0 [pid 6107] <... write resumed>) = 4 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6109] chdir("./18") = 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 6108] <... setpgid resumed>) = 0 [pid 6107] close(3) = 0 [pid 6107] symlink("/dev/binderfs", "./binderfs" [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] <... symlink resumed>) = 0 [pid 6109] write(3, "1000", 4) = 4 [pid 6109] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 6109] <... close resumed>) = 0 [pid 6109] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6109] write(1, "executing program\n", 18) = 18 [pid 6109] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6109] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6107] write(1, "executing program\n", 18 [pid 6109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6109] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6110 attached executing program => {parent_tid=[6110]}, 88) = 6110 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6107] <... write resumed>) = 18 [pid 5829] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... openat resumed>) = 3 [pid 6107] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6108] write(3, "1000", 4 [pid 6107] <... futex resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./18/file0", [pid 6108] <... write resumed>) = 4 [pid 6110] <... rseq resumed>) = 0 [pid 6109] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] close(3 [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6110] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6109] <... futex resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 6107] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6108] symlink("/dev/binderfs", "./binderfs" [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... symlink resumed>) = 0 [pid 6110] memfd_create("syzkaller", 0 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... openat resumed>) = 4 [pid 6110] <... memfd_create resumed>) = 3 [pid 6110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 6108] write(1, "executing program\n", 18 [pid 6107] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] newfstatat(4, "", [pid 6110] <... mmap resumed>) = 0x7f3f93e00000 [pid 6108] <... write resumed>) = 18 [pid 6107] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6108] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... mprotect resumed>) = 0 [pid 5829] getdents64(4, [pid 6108] <... futex resumed>) = 0 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6108] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6108] <... rt_sigaction resumed>NULL, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 6108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] <... clone3 resumed> => {parent_tid=[6111]}, 88) = 6111 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(4 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] newfstatat(AT_FDCWD, "./18/file0", [pid 6108] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 6108] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6107] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] rmdir("./18/file0"./strace-static-x86_64: Process 6111 attached [ 73.166895][ T35] hfsplus: b-tree write err: -5, ino 4 [ 73.187111][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6107] <... futex resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6111] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6108] <... mprotect resumed>) = 0 [pid 5829] getdents64(3, [pid 6111] <... rseq resumed>) = 0 [pid 6110] <... write resumed>) = 524288 [pid 6107] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6111] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5829] close(3 [pid 5831] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6111] <... set_robust_list resumed>) = 0 [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... close resumed>) = 0 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] rmdir("./18" [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(4, "", [pid 6111] memfd_create("syzkaller", 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5829] mkdir("./19", 0777 [pid 6111] <... memfd_create resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5831] getdents64(4, [pid 5829] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6112 attached [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6112] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6110] munmap(0x7f3f93e00000, 138412032 [pid 5831] close(4 [pid 6112] <... rseq resumed>) = 0 [pid 6110] <... munmap resumed>) = 0 [pid 6108] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 5831] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6112] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] rmdir("./18/file0" [pid 6112] <... set_robust_list resumed>) = 0 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6110] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6108] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6112] memfd_create("syzkaller", 0 [pid 6110] <... openat resumed>) = 4 [pid 6108] <... futex resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6112] <... memfd_create resumed>) = 3 [pid 6110] ioctl(4, LOOP_SET_FD, 3 [pid 6108] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] getdents64(3, [pid 5829] close(3 [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6112] <... mmap resumed>) = 0x7f3f93e00000 [pid 6111] <... write resumed>) = 524288 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./18") = 0 [pid 5831] mkdir("./19", 0777 [pid 5829] <... close resumed>) = 0 [pid 6112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6111] munmap(0x7f3f93e00000, 138412032 [pid 6110] <... ioctl resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6111] <... munmap resumed>) = 0 [pid 6110] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6110] <... close resumed>) = 0 ./strace-static-x86_64: Process 6113 attached [pid 6111] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6110] close(4 [pid 5831] <... openat resumed>) = 3 [pid 6113] set_robust_list(0x5555832d26a0, 24 [pid 6112] <... write resumed>) = 524288 [pid 6111] <... openat resumed>) = 4 [pid 6110] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6113 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6111] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6110] mkdir("./file0", 0777) = 0 [pid 6110] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] close(3 [pid 6113] chdir("./19" [pid 6112] munmap(0x7f3f93e00000, 138412032 [pid 6111] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6113] <... chdir resumed>) = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... munmap resumed>) = 0 [pid 6111] close(3 [pid 6113] <... prctl resumed>) = 0 [pid 6113] setpgid(0, 0) = 0 [pid 6111] <... close resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6111] close(4 [pid 6113] <... openat resumed>) = 3 [pid 6112] <... openat resumed>) = 4 [pid 6111] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6114 attached [pid 6113] write(3, "1000", 4 [pid 6112] ioctl(4, LOOP_SET_FD, 3 [pid 6111] mkdir("./file0", 0777 [pid 6114] set_robust_list(0x5555832d26a0, 24 [pid 6113] <... write resumed>) = 4 [pid 6111] <... mkdir resumed>) = 0 [pid 6111] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6110] <... mount resumed>) = 0 [pid 6110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 73.269000][ T6110] loop3: detected capacity change from 0 to 1024 [ 73.297579][ T6111] loop4: detected capacity change from 0 to 1024 [pid 6110] chdir("./file0" [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6114 [pid 6110] <... chdir resumed>) = 0 [pid 6110] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6110] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6110] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = 0 [pid 6110] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6109] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... openat resumed>) = 4 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] close(3 [pid 6110] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] chdir("./19" [pid 6113] <... close resumed>) = 0 [pid 6112] <... ioctl resumed>) = 0 [pid 6111] <... mount resumed>) = 0 [pid 6114] <... chdir resumed>) = 0 [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6111] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6110] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] <... symlink resumed>) = 0 [pid 6112] close(3 [pid 6111] <... openat resumed>) = 3 executing program [pid 6109] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... prctl resumed>) = 0 [pid 6113] write(1, "executing program\n", 18 [pid 6112] <... close resumed>) = 0 [pid 6111] chdir("./file0" [pid 6109] <... futex resumed>) = 0 executing program [pid 6110] ftruncate(4, 33554441 [pid 6114] setpgid(0, 0 [pid 6113] <... write resumed>) = 18 [pid 6112] close(4 [pid 6111] <... chdir resumed>) = 0 [pid 6109] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... setpgid resumed>) = 0 [pid 6113] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] <... futex resumed>) = 0 [pid 6111] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6111] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... openat resumed>) = 3 [pid 6113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6111] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6107] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] write(3, "1000", 4 [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6111] <... openat resumed>) = 4 [pid 6114] <... write resumed>) = 4 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] close(3 [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6114] <... close resumed>) = 0 [pid 6113] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6111] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] symlink("/dev/binderfs", "./binderfs" [pid 6113] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6114] <... symlink resumed>) = 0 [pid 6113] <... mprotect resumed>) = 0 [pid 6111] ftruncate(4, 33554441 [pid 6107] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] write(1, "executing program\n", 18 [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6114] <... write resumed>) = 18 [pid 6114] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [ 73.317016][ T6112] loop1: detected capacity change from 0 to 1024 [pid 6114] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6112] <... close resumed>) = 0 ./strace-static-x86_64: Process 6115 attached [pid 6114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6113] <... clone3 resumed> => {parent_tid=[6115]}, 88) = 6115 [pid 6112] mkdir("./file0", 0777 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6113] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... mkdir resumed>) = 0 [pid 6115] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6114] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6113] <... futex resumed>) = 0 [pid 6115] <... rseq resumed>) = 0 [pid 6114] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6115] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6112] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6115] <... set_robust_list resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6115] memfd_create("syzkaller", 0 [pid 6114] <... mprotect resumed>) = 0 [pid 6113] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6115] <... memfd_create resumed>) = 3 [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6116 attached [pid 6114] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] <... mmap resumed>) = 0x7f3f93e00000 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6114] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6116] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6114] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6116] <... rseq resumed>) = 0 [pid 6109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6109] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6116] memfd_create("syzkaller", 0) = 3 [pid 6116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6110] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6109] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6107] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6112] <... mount resumed>) = 0 [pid 6110] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6115] <... write resumed>) = 524288 [pid 6112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6111] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6110] <... futex resumed>) = 0 [pid 6109] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6107] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... openat resumed>) = 3 [pid 6107] <... futex resumed>) = 0 [pid 6109] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6110] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... mprotect resumed>) = 0 [pid 6107] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6107] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6115] munmap(0x7f3f93e00000, 138412032 [pid 6112] chdir("./file0" [pid 6109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6112] <... chdir resumed>) = 0 [pid 6115] <... munmap resumed>) = 0 [pid 6112] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6111] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6118 attached ./strace-static-x86_64: Process 6117 attached [pid 6112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] <... futex resumed>) = 0 [pid 6118] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6112] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 6107] <... clone3 resumed> => {parent_tid=[6117]}, 88) = 6117 [pid 6118] <... rseq resumed>) = 0 [pid 6117] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6116] <... write resumed>) = 524288 [pid 6115] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6112] <... futex resumed>) = 1 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6117] <... rseq resumed>) = 0 [pid 6112] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6115] <... openat resumed>) = 4 [pid 6109] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6107] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] ioctl(4, LOOP_SET_FD, 3 [pid 6109] <... futex resumed>) = 0 [pid 6108] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] <... futex resumed>) = 0 [pid 6109] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... futex resumed>) = 1 [pid 6107] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6116] munmap(0x7f3f93e00000, 138412032 [pid 6108] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] <... unlinkat resumed>) = 0 [pid 6116] <... munmap resumed>) = 0 [pid 6117] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6117] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6112] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6107] exit_group(0 [pid 6111] <... futex resumed>) = ? [pid 6107] <... exit_group resumed>) = ? [pid 6111] +++ exited with 0 +++ [pid 6118] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6117] +++ exited with 0 +++ [pid 6118] <... unlinkat resumed>) = 0 [pid 6107] +++ exited with 0 +++ [pid 6118] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... openat resumed>) = 4 [pid 6115] <... ioctl resumed>) = 0 [pid 6112] <... openat resumed>) = 4 [pid 6116] ioctl(4, LOOP_SET_FD, 3 [pid 6118] <... futex resumed>) = 1 [pid 5833] --- 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 6109] <... futex resumed>) = 0 [pid 6118] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] close(3 [pid 6112] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] exit_group(0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6118] <... futex resumed>) = ? [pid 6115] <... close resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6109] <... exit_group resumed>) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 6115] close(4 [pid 6112] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] <... futex resumed>) = ? [pid 6118] +++ exited with 0 +++ [pid 6108] <... futex resumed>) = 0 [pid 6108] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6108] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... futex resumed>) = 0 [pid 6112] ftruncate(4, 33554441 [pid 6115] <... close resumed>) = 0 [pid 6110] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 5833] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6115] mkdir("./file0", 0777 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6115] <... mkdir resumed>) = 0 [pid 6115] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6116] <... ioctl resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6116] close(3 [pid 6115] <... mount resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 6116] <... close resumed>) = 0 [ 73.434701][ T6115] loop0: detected capacity change from 0 to 1024 [ 73.450118][ T6116] loop2: detected capacity change from 0 to 1024 [pid 6115] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 6115] <... openat resumed>) = 3 [pid 5833] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] chdir("./file0" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... chdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5832] getdents64(3, [pid 6115] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6116] close(4 [pid 5833] unlink("./19/binderfs" [pid 6115] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6116] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6115] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6116] mkdir("./file0", 0777) = 0 [pid 6116] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6115] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6115] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6113] <... futex resumed>) = 0 [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6115] <... openat resumed>) = 4 [pid 6113] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] unlink("./18/binderfs") = 0 [pid 5832] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6108] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6108] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6119]}, 88) = 6119 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6108] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6119 attached [pid 6115] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6108] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] ftruncate(4, 33554441 [pid 6113] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6116] <... mount resumed>) = 0 [pid 6119] <... rseq resumed>) = 0 [pid 6116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6119] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6116] <... openat resumed>) = 3 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6116] chdir("./file0" [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... chdir resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6119] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6116] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6113] <... futex resumed>) = 0 [pid 6119] <... unlinkat resumed>) = 0 [pid 6116] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6116] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 0 [pid 6114] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6114] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6112] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = 1 [pid 6116] <... openat resumed>) = 4 [pid 6112] <... futex resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6119] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] exit_group(0 [pid 6119] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = ? [pid 6108] <... exit_group resumed>) = ? [pid 6119] +++ exited with 0 +++ [pid 6114] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] +++ exited with 0 +++ [pid 6108] +++ exited with 0 +++ [pid 6114] <... futex resumed>) = 0 [pid 6114] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6116] ftruncate(4, 33554441 [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [ 73.498844][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 73.506963][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5830] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6115] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6115] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 5830] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6113] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./19/file0", [pid 5830] unlink("./19/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6115] <... unlinkat resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./18/file0", [pid 6113] exit_group(0 [pid 6115] ???( [pid 6113] <... exit_group resumed>) = ? [pid 6115] <... ??? resumed>) = ? [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6115] +++ exited with 0 +++ [pid 6113] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... openat resumed>) = 4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(4, "", [pid 5833] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./19/binderfs") = 0 [pid 5829] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] rmdir("./19/file0" [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./18/file0") = 0 [pid 5833] getdents64(3, [pid 5832] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5832] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5833] rmdir("./19" [pid 5832] rmdir("./18" [pid 6114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... rmdir resumed>) = 0 [pid 6114] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6114] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] mkdir("./19", 0777 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6120 attached [pid 5833] <... rmdir resumed>) = 0 [pid 6114] <... clone3 resumed> => {parent_tid=[6120]}, 88) = 6120 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5833] mkdir("./20", 0777 [pid 6120] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6116] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6114] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 6120] <... rseq resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6120] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6114] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6116] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 6120] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6120] <... unlinkat resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6120] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6120] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = 0 [pid 6114] exit_group(0 [pid 5832] close(3 [pid 6120] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = ? [pid 6114] <... exit_group resumed>) = ? [pid 5832] <... close resumed>) = 0 [pid 6120] +++ exited with 0 +++ [pid 6116] +++ exited with 0 +++ [pid 6114] +++ exited with 0 +++ [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6121 attached [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] set_robust_list(0x5555832d26a0, 24 [pid 5831] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6122 attached ) = -1 EINVAL (Invalid argument) [pid 6121] <... set_robust_list resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6121] chdir("./20" [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6121 [pid 5831] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6122 [pid 5831] newfstatat(3, "", [pid 6122] set_robust_list(0x5555832d26a0, 24 [pid 6121] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] getdents64(3, [pid 6121] <... prctl resumed>) = 0 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6121] <... setpgid resumed>) = 0 [ 73.577904][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 73.590026][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5831] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] chdir("./19" [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6121] write(3, "1000", 4) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6121] close(3 [pid 5831] unlink("./19/binderfs" [pid 6122] <... chdir resumed>) = 0 [pid 6121] <... close resumed>) = 0 [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] <... symlink resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6122] <... prctl resumed>) = 0 [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] setpgid(0, 0 [pid 6121] write(1, "executing program\n", 18 [pid 6122] <... setpgid resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./19/file0", [pid 6121] <... write resumed>) = 18 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] newfstatat(AT_FDCWD, "./19/file0", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6121] <... futex resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 6121] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] newfstatat(4, "", [pid 6121] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6123]}, 88) = 6123 [pid 5829] getdents64(4, ./strace-static-x86_64: Process 6123 attached [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6122] <... openat resumed>) = 3 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6122] write(3, "1000", 4 [pid 5829] getdents64(4, [pid 5830] getdents64(4, [pid 6122] <... write resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6122] close(3 [pid 5829] close(4 [pid 6122] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./19/file0" [pid 5830] close(4 [pid 6123] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6123] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6123] memfd_create("syzkaller", 0 [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6123] <... memfd_create resumed>) = 3 [pid 6123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6122] <... symlink resumed>) = 0 [pid 5830] rmdir("./19/file0" [pid 5829] getdents64(3, [pid 6123] <... mmap resumed>) = 0x7f3f93e00000 executing program [pid 6122] write(1, "executing program\n", 18 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6122] <... write resumed>) = 18 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 6122] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] close(3 [pid 5829] rmdir("./19" [pid 6122] <... futex resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6122] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] rmdir("./19" [pid 5829] <... rmdir resumed>) = 0 [pid 6122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... rmdir resumed>) = 0 [pid 5829] mkdir("./20", 0777 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] mkdir("./20", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6122] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... openat resumed>) = 3 [pid 6122] <... mprotect resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... ioctl resumed>) = 0 [pid 6122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] close(3 [pid 6123] <... write resumed>) = 524288 [pid 6122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6123] munmap(0x7f3f93e00000, 138412032 [pid 6122] <... clone3 resumed> => {parent_tid=[6124]}, 88) = 6124 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6123] <... munmap resumed>) = 0 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6122] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] close(3./strace-static-x86_64: Process 6125 attached [pid 6124] <... rseq resumed>) = 0 [pid 6123] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6122] <... futex resumed>) = 0 [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 6124] set_robust_list(0x7f3f9c27c9a0, 24 [ 73.658727][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 6122] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6125] set_robust_list(0x5555832d26a0, 24 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/file0", [pid 6123] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6125 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6124] memfd_create("syzkaller", 0) = 3 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6126 ./strace-static-x86_64: Process 6126 attached [pid 6125] <... set_robust_list resumed>) = 0 [pid 6123] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6126] set_robust_list(0x5555832d26a0, 24 [pid 6125] chdir("./20" [pid 6123] close(3 [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... chdir resumed>) = 0 [pid 6123] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] chdir("./20" [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] close(4 [pid 5831] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] <... close resumed>) = 0 [pid 6125] <... prctl resumed>) = 0 [pid 6123] mkdir("./file0", 0777 [pid 5831] <... openat resumed>) = 4 [pid 6124] <... write resumed>) = 524288 [pid 6126] <... chdir resumed>) = 0 [pid 6125] setpgid(0, 0 [pid 6123] <... mkdir resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6125] <... setpgid resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6126] <... prctl resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] munmap(0x7f3f93e00000, 138412032 [pid 6123] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] getdents64(4, [pid 6126] setpgid(0, 0 [pid 6125] <... openat resumed>) = 3 [pid 6124] <... munmap resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6126] <... setpgid resumed>) = 0 [pid 6125] write(3, "1000", 4 [pid 5831] getdents64(4, [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6125] <... write resumed>) = 4 [pid 6124] <... openat resumed>) = 4 [pid 6126] <... openat resumed>) = 3 [pid 6125] close(3 [ 73.723810][ T6123] loop4: detected capacity change from 0 to 1024 [pid 5831] close(4 [pid 6125] <... close resumed>) = 0 [pid 6124] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... close resumed>) = 0 [pid 6126] write(3, "1000", 4 [pid 6125] symlink("/dev/binderfs", "./binderfs" [pid 6123] <... mount resumed>) = 0 [pid 5831] rmdir("./19/file0" [pid 6126] <... write resumed>) = 4 [pid 6125] <... symlink resumed>) = 0 [pid 6123] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORYexecuting program [pid 5831] <... rmdir resumed>) = 0 [pid 6126] close(3 [pid 6125] write(1, "executing program\n", 18 [pid 6123] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 6126] <... close resumed>) = 0 [pid 6125] <... write resumed>) = 18 [pid 6123] chdir("./file0" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6126] symlink("/dev/binderfs", "./binderfs" [pid 6125] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... chdir resumed>) = 0 [pid 5831] close(3 [pid 6126] <... symlink resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6123] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6125] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6124] <... ioctl resumed>) = 0 [pid 6123] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] rmdir("./19"executing program [pid 6126] write(1, "executing program\n", 18 [pid 6125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6124] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 6126] <... write resumed>) = 18 [pid 6125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6124] <... close resumed>) = 0 [pid 6123] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] mkdir("./20", 0777 [pid 6126] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] close(4 [pid 6123] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] <... close resumed>) = 0 [pid 6123] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... mkdir resumed>) = 0 [pid 6126] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6125] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6126] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6125] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6123] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6121] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6125] <... mprotect resumed>) = 0 [pid 6124] mkdir("./file0", 0777 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] <... mkdir resumed>) = 0 [pid 6123] <... openat resumed>) = 4 [pid 6126] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6124] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6126] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... ioctl resumed>) = 0 [pid 6126] <... mprotect resumed>) = 0 [pid 6125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6123] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5831] close(3./strace-static-x86_64: Process 6127 attached [pid 6126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6123] ftruncate(4, 33554441 [pid 6121] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6121] <... futex resumed>) = 0 [pid 6126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6121] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... rseq resumed>) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6125] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 6127] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6128 attached [pid 6127] <... set_robust_list resumed>) = 0 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 6125] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... rseq resumed>) = 0 [pid 6124] <... mount resumed>) = 0 [pid 6124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6128] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6124] <... openat resumed>) = 3 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6128] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] <... futex resumed>) = 0 [pid 6127] memfd_create("syzkaller", 0 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6124] chdir("./file0" [pid 6126] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6126] <... futex resumed>) = 1 [pid 6124] <... chdir resumed>) = 0 [pid 6126] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6127] <... memfd_create resumed>) = 3 [pid 6128] memfd_create("syzkaller", 0 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6124] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6128] <... memfd_create resumed>) = 3 [pid 6127] <... mmap resumed>) = 0x7f3f93e00000 [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6124] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... close resumed>) = 0 [pid 6128] <... mmap resumed>) = 0x7f3f93e00000 [pid 6124] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6129 attached [ 73.771866][ T6124] loop3: detected capacity change from 0 to 1024 [pid 6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6127] <... write resumed>) = 524288 [pid 6124] <... futex resumed>) = 1 [pid 6122] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6129 [pid 6127] munmap(0x7f3f93e00000, 138412032 [pid 6122] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... munmap resumed>) = 0 [pid 6124] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6122] <... futex resumed>) = 0 [pid 6129] set_robust_list(0x5555832d26a0, 24 [pid 6127] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6129] <... set_robust_list resumed>) = 0 [pid 6127] <... openat resumed>) = 4 [pid 6129] chdir("./20" [pid 6127] ioctl(4, LOOP_SET_FD, 3 [pid 6124] <... openat resumed>) = 4 [pid 6122] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] <... write resumed>) = 524288 [pid 6124] <... futex resumed>) = 0 [pid 6122] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] munmap(0x7f3f93e00000, 138412032 [pid 6124] ftruncate(4, 33554441 [pid 6122] <... futex resumed>) = 0 [pid 6129] <... chdir resumed>) = 0 [pid 6128] <... munmap resumed>) = 0 [pid 6122] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] <... futex resumed>) = 0 [pid 6129] <... prctl resumed>) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6129] setpgid(0, 0 [pid 6128] <... openat resumed>) = 4 [pid 6129] <... setpgid resumed>) = 0 [pid 6121] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] ioctl(4, LOOP_SET_FD, 3 [pid 6121] <... mprotect resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6129] <... openat resumed>) = 3 [pid 6121] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6121] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] write(3, "1000", 4) = 4 [pid 6129] close(3) = 0 [pid 6129] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6127] <... ioctl resumed>) = 0 [pid 6129] write(1, "executing program\n", 18) = 18 [pid 6129] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(3 [pid 6129] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = 0 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6127] close(4 [pid 6129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6127] <... close resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6127] mkdir("./file0", 0777 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... mkdir resumed>) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6129] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6127] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"..../strace-static-x86_64: Process 6130 attached [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6123] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6130] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6130] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6129] <... rt_sigprocmask resumed>[], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6131 attached => {parent_tid=[6131]}, 88) = 6131 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6129] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6131] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6129] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6123] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... rseq resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6127] <... mount resumed>) = 0 [pid 6131] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6127] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6131] <... set_robust_list resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6127] chdir("./file0" [pid 6131] memfd_create("syzkaller", 0) = 3 [pid 6127] <... chdir resumed>) = 0 [pid 6131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6131] <... mmap resumed>) = 0x7f3f93e00000 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6128] <... ioctl resumed>) = 0 [pid 6127] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6127] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] <... unlinkat resumed>) = 0 [pid 6128] close(3) = 0 [pid 6130] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6130] <... futex resumed>) = 1 [pid 6128] close(4 [pid 6121] <... futex resumed>) = 0 [pid 6121] exit_group(0 [pid 6123] <... futex resumed>) = ? [pid 6121] <... exit_group resumed>) = ? [pid 6123] +++ exited with 0 +++ [pid 6131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6128] <... close resumed>) = 0 [pid 6127] <... openat resumed>) = 4 [pid 6127] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... futex resumed>) = 1 [pid 6127] ftruncate(4, 33554441 [pid 6130] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6128] mkdir("./file0", 0777) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 6128] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6122] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6122] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6132 attached [pid 5833] <... openat resumed>) = 3 [pid 6122] <... clone3 resumed> => {parent_tid=[6132]}, 88) = 6132 [ 73.846876][ T6127] loop0: detected capacity change from 0 to 1024 [ 73.872808][ T6128] loop1: detected capacity change from 0 to 1024 [pid 5833] newfstatat(3, "", [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6132] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] getdents64(3, [pid 6132] <... rseq resumed>) = 0 [pid 6131] <... write resumed>) = 524288 [pid 6122] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6122] <... futex resumed>) = 0 [pid 5833] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./20/binderfs") = 0 [pid 6132] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... set_robust_list resumed>) = 0 [pid 6132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6131] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6131] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6132] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... openat resumed>) = 4 [pid 6132] <... futex resumed>) = 1 [pid 6122] <... futex resumed>) = 0 [pid 6131] ioctl(4, LOOP_SET_FD, 3 [pid 6132] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... ioctl resumed>) = 0 [pid 6127] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6124] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6131] close(3 [pid 6127] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = 0 [pid 6131] close(4 [pid 6127] <... futex resumed>) = 1 [pid 6131] <... close resumed>) = 0 [pid 6127] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] mkdir("./file0", 0777) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] <... mount resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6125] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... futex resumed>) = 0 [pid 6128] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6127] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6124] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6122] exit_group(0 [pid 6132] <... futex resumed>) = ? [pid 6128] <... openat resumed>) = 3 [pid 6127] <... unlinkat resumed>) = 0 [pid 6124] <... futex resumed>) = ? [pid 6122] <... exit_group resumed>) = ? [pid 6132] +++ exited with 0 +++ [pid 6128] chdir("./file0" [pid 6124] +++ exited with 0 +++ [pid 6131] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6128] <... chdir resumed>) = 0 [pid 6122] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6127] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6128] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6127] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] exit_group(0 [pid 6128] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] <... exit_group resumed>) = ? [pid 6128] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6127] <... futex resumed>) = ? [pid 6126] <... futex resumed>) = 0 [pid 6126] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6131] <... mount resumed>) = 0 [pid 6128] <... openat resumed>) = 4 [pid 6127] +++ exited with 0 +++ [pid 6126] <... futex resumed>) = 0 [pid 6125] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 6131] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 73.940689][ T6131] loop2: detected capacity change from 0 to 1024 [ 73.947860][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6126] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... openat resumed>) = 3 [pid 6128] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6131] chdir("./file0") = 0 [pid 6128] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6131] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6128] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./20/file0", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6131] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6126] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] ftruncate(4, 33554441 [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 6131] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6129] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6131] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5832] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 6131] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", [pid 6131] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6131] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] unlink("./19/binderfs" [pid 6131] ftruncate(4, 33554441 [pid 6129] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] close(4 [pid 5832] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] rmdir("./20/file0" [pid 5829] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5833] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] unlink("./20/binderfs" [pid 5833] rmdir("./20") = 0 [pid 6131] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6128] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] mkdir("./21", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6131] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5832] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6131] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6126] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6128] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6126] <... futex resumed>) = 0 [pid 6128] <... unlinkat resumed>) = 0 [pid 6126] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6131] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6129] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./19/file0", [pid 6128] <... futex resumed>) = 1 [pid 6131] <... unlinkat resumed>) = 0 [pid 6128] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6131] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6131] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6131] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] exit_group(0 [pid 5832] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6126] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6126] exit_group(0 [pid 6128] <... futex resumed>) = ? [pid 6126] <... exit_group resumed>) = ? [pid 6131] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6126] +++ exited with 0 +++ [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] --- 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 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] getdents64(4, [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(4 [pid 5829] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6133 attached [pid 5832] rmdir("./19/file0" [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./20/file0", [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6133 [pid 5832] <... rmdir resumed>) = 0 [pid 6133] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6133] <... set_robust_list resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] chdir("./21" [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] <... chdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] rmdir("./19" [pid 5831] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 6133] <... prctl resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", [pid 5829] <... openat resumed>) = 4 [pid 6133] setpgid(0, 0 [pid 5832] mkdir("./20", 0777 [pid 5831] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(4, "", [pid 6133] <... setpgid resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] getdents64(3, [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 6133] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] write(3, "1000", 4 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6133] <... write resumed>) = 4 [pid 5832] close(3 [ 74.023541][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 74.057376][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5831] unlink("./20/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(4, [pid 6133] close(3 [pid 5832] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6133] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(4 [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./20/binderfs" [pid 6133] <... symlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./20/file0"executing program [pid 6133] write(1, "executing program\n", 18 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6133] <... write resumed>) = 18 [pid 6133] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] getdents64(3, [pid 6133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] close(3 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6134 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6134 attached [pid 6133] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./20" [pid 6133] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... rmdir resumed>) = 0 [pid 6133] <... mprotect resumed>) = 0 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] mkdir("./21", 0777 [pid 6133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6134] set_robust_list(0x5555832d26a0, 24./strace-static-x86_64: Process 6135 attached ) = 0 [pid 6135] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6133] <... clone3 resumed> => {parent_tid=[6135]}, 88) = 6135 [pid 6135] <... rseq resumed>) = 0 [pid 6135] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6135] memfd_create("syzkaller", 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6135] <... memfd_create resumed>) = 3 [pid 6133] <... futex resumed>) = 0 [pid 5829] close(3 [pid 6135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6134] chdir("./20" [pid 6133] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... close resumed>) = 0 [pid 6135] <... mmap resumed>) = 0x7f3f93e00000 [pid 6135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6134] <... chdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6136 attached [pid 6135] <... write resumed>) = 524288 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6136 [pid 6134] <... prctl resumed>) = 0 [pid 6136] set_robust_list(0x5555832d26a0, 24 [pid 6135] munmap(0x7f3f93e00000, 138412032 [pid 6134] setpgid(0, 0 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] <... munmap resumed>) = 0 [pid 6136] chdir("./21") = 0 [pid 6135] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6134] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... openat resumed>) = 4 [pid 6134] <... openat resumed>) = 3 [pid 6136] <... prctl resumed>) = 0 [pid 6134] write(3, "1000", 4) = 4 [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] setpgid(0, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] <... setpgid resumed>) = 0 [pid 6134] close(3 [pid 5831] newfstatat(AT_FDCWD, "./20/file0", [pid 6134] <... close resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] ioctl(4, LOOP_SET_FD, 3 [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = 0 [ 74.122362][ T11] hfsplus: b-tree write err: -5, ino 4 [ 74.138190][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 6134] <... symlink resumed>) = 0 [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] <... openat resumed>) = 3 [pid 6134] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] write(3, "1000", 4 [pid 5831] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6136] <... write resumed>) = 4 [pid 5831] <... openat resumed>) = 4 [pid 6134] <... write resumed>) = 18 [pid 5830] newfstatat(AT_FDCWD, "./20/file0", [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6134] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] <... futex resumed>) = 0 [pid 6136] close(3 [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6136] <... close resumed>) = 0 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 6134] <... mmap resumed>) = 0x7f3f9c25c000 executing program [pid 6136] <... symlink resumed>) = 0 [pid 6134] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6134] <... mprotect resumed>) = 0 [pid 5830] getdents64(4, [pid 6136] write(1, "executing program\n", 18 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... write resumed>) = 18 [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6136] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 6136] <... futex resumed>) = 0 [pid 5831] rmdir("./20/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6137 attached [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6134] <... clone3 resumed> => {parent_tid=[6137]}, 88) = 6137 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] close(4 [pid 6137] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] getdents64(3, [pid 6137] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... close resumed>) = 0 [pid 6134] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5830] rmdir("./20/file0" [pid 6134] <... futex resumed>) = 0 [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] close(3 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6134] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6135] <... ioctl resumed>) = 0 [pid 5830] getdents64(3, [pid 6137] memfd_create("syzkaller", 0 [pid 6136] <... mprotect resumed>) = 0 [pid 6135] close(3 [pid 5831] rmdir("./20" [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6137] <... memfd_create resumed>) = 3 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6135] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6135] close(4 [pid 5831] mkdir("./21", 0777 [pid 5830] close(3 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6135] <... close resumed>) = 0 ./strace-static-x86_64: Process 6138 attached [pid 6135] mkdir("./file0", 0777 [pid 6136] <... clone3 resumed> => {parent_tid=[6138]}, 88) = 6138 [pid 6135] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6138] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6138] <... rseq resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7f3f93e00000 [pid 6136] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6138] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6136] <... futex resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6138] <... set_robust_list resumed>) = 0 [pid 6136] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... ioctl resumed>) = 0 [pid 5830] rmdir("./20" [pid 6138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6138] memfd_create("syzkaller", 0) = 3 [pid 6138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./21", 0777 [pid 6138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 6135] <... mount resumed>) = 0 [pid 6135] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6135] chdir("./file0") = 0 [ 74.176463][ T6135] loop4: detected capacity change from 0 to 1024 [pid 6135] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6138] <... write resumed>) = 524288 [pid 6137] <... write resumed>) = 524288 [pid 5831] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] munmap(0x7f3f93e00000, 138412032 [pid 6135] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] <... munmap resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6139 [pid 6135] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6133] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... openat resumed>) = 4 [pid 6133] <... futex resumed>) = 0 [pid 6138] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6133] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... openat resumed>) = 4 [pid 6138] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6140 ./strace-static-x86_64: Process 6140 attached ./strace-static-x86_64: Process 6139 attached [pid 6137] munmap(0x7f3f93e00000, 138412032 [pid 6140] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6139] set_robust_list(0x5555832d26a0, 24 [pid 6137] <... munmap resumed>) = 0 [pid 6135] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6140] chdir("./21" [pid 6133] <... futex resumed>) = 0 [pid 6140] <... chdir resumed>) = 0 [pid 6139] chdir("./21" [pid 6137] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... chdir resumed>) = 0 [pid 6140] <... prctl resumed>) = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] <... openat resumed>) = 4 [pid 6135] ftruncate(4, 33554441 [pid 6133] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] setpgid(0, 0 [pid 6139] <... prctl resumed>) = 0 [pid 6137] ioctl(4, LOOP_SET_FD, 3 [pid 6139] setpgid(0, 0 [pid 6133] <... futex resumed>) = 0 [pid 6133] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... setpgid resumed>) = 0 [pid 6139] <... setpgid resumed>) = 0 [pid 6137] <... ioctl resumed>) = 0 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6140] <... openat resumed>) = 3 [pid 6139] write(3, "1000", 4) = 4 [pid 6140] write(3, "1000", 4 [pid 6139] close(3 [pid 6138] <... ioctl resumed>) = 0 [pid 6140] <... write resumed>) = 4 [pid 6140] close(3 [pid 6139] <... close resumed>) = 0 [pid 6140] <... close resumed>) = 0 [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 6139] <... symlink resumed>) = 0 [pid 6138] close(3executing program executing program [pid 6140] <... symlink resumed>) = 0 [pid 6138] <... close resumed>) = 0 [pid 6140] write(1, "executing program\n", 18 [pid 6139] write(1, "executing program\n", 18 [pid 6138] close(4 [pid 6137] close(3 [pid 6140] <... write resumed>) = 18 [pid 6139] <... write resumed>) = 18 [pid 6137] <... close resumed>) = 0 [pid 6140] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... futex resumed>) = 0 [pid 6137] close(4 [pid 6139] <... futex resumed>) = 0 [pid 6140] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6139] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6137] <... close resumed>) = 0 [pid 6140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6137] mkdir("./file0", 0777 [pid 6138] <... close resumed>) = 0 [pid 6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6138] mkdir("./file0", 0777 [pid 6137] <... mkdir resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... mkdir resumed>) = 0 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6140] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6137] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6140] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6139] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6140] <... mprotect resumed>) = 0 [pid 6139] <... mprotect resumed>) = 0 [ 74.250721][ T6138] loop0: detected capacity change from 0 to 1024 [ 74.265504][ T6137] loop3: detected capacity change from 0 to 1024 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6137] <... mount resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6137] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6141 attached [pid 6137] chdir("./file0" [pid 6140] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6137] <... chdir resumed>) = 0 [pid 6141] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6137] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6141] <... rseq resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6137] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6141] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6140] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6142 attached [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6139] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6138] <... mount resumed>) = 0 [pid 6137] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6134] <... futex resumed>) = 0 [pid 6142] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] <... openat resumed>) = 3 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6142] <... rseq resumed>) = 0 [pid 6138] chdir("./file0" [pid 6133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6142] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6141] memfd_create("syzkaller", 0 [pid 6138] <... chdir resumed>) = 0 [pid 6133] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6138] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6133] <... futex resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6137] <... openat resumed>) = 4 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6141] <... memfd_create resumed>) = 3 [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6142] memfd_create("syzkaller", 0 [pid 6138] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6133] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6142] <... memfd_create resumed>) = 3 [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6139] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6138] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... mprotect resumed>) = 0 [pid 6142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6141] <... mmap resumed>) = 0x7f3f93e00000 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6135] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6134] <... futex resumed>) = 0 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6137] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6142] <... mmap resumed>) = 0x7f3f93e00000 [pid 6133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6137] ftruncate(4, 33554441 [pid 6134] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6138] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6136] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... openat resumed>) = 4 [pid 6133] <... clone3 resumed> => {parent_tid=[6143]}, 88) = 6143 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6133] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6143 attached [pid 6138] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6136] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] ftruncate(4, 33554441 [pid 6136] <... futex resumed>) = 0 [pid 6136] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6143] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] <... write resumed>) = 524288 [pid 6143] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6142] munmap(0x7f3f93e00000, 138412032 [pid 6141] <... write resumed>) = 524288 [pid 6143] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6143] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] <... munmap resumed>) = 0 [pid 6141] munmap(0x7f3f93e00000, 138412032 [pid 6133] exit_group(0 [pid 6143] <... futex resumed>) = ? [pid 6142] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6141] <... munmap resumed>) = 0 [pid 6135] <... futex resumed>) = ? [pid 6133] <... exit_group resumed>) = ? [pid 6143] +++ exited with 0 +++ [pid 6142] <... openat resumed>) = 4 [pid 6135] +++ exited with 0 +++ [pid 6141] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6138] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6142] ioctl(4, LOOP_SET_FD, 3 [pid 6141] <... openat resumed>) = 4 [pid 6138] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6133] +++ exited with 0 +++ [pid 6142] <... ioctl resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6142] close(3 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6138] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6142] <... close resumed>) = 0 [pid 6138] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6137] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] close(4 [pid 6137] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6142] <... close resumed>) = 0 [pid 6141] <... ioctl resumed>) = 0 [pid 6138] <... unlinkat resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 6141] close(3 [pid 6138] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] exit_group(0 [pid 5833] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6141] <... close resumed>) = 0 [pid 6138] <... futex resumed>) = ? [pid 6136] <... exit_group resumed>) = ? [pid 6134] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 6142] mkdir("./file0", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6142] <... mkdir resumed>) = 0 [pid 6141] close(4 [pid 6138] +++ exited with 0 +++ [pid 6137] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6136] +++ exited with 0 +++ [pid 6134] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 6142] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6141] <... close resumed>) = 0 [pid 6137] <... unlinkat resumed>) = 0 [pid 6134] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6141] mkdir("./file0", 0777 [pid 5833] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./21/binderfs" [pid 6141] <... mkdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6141] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6137] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6137] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6134] exit_group(0) = ? [pid 5829] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6137] <... futex resumed>) = ? [pid 5829] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] <... mount resumed>) = 0 [pid 6137] +++ exited with 0 +++ [pid 6134] +++ exited with 0 +++ [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6141] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6141] chdir("./file0") = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] unlink("./21/binderfs" [ 74.385418][ T6142] loop1: detected capacity change from 0 to 1024 [ 74.393625][ T6141] loop2: detected capacity change from 0 to 1024 [ 74.411661][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 6141] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... unlink resumed>) = 0 [pid 6141] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6141] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6141] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6140] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... openat resumed>) = 4 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6141] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./20/binderfs") = 0 [pid 5832] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] <... futex resumed>) = 1 [pid 6142] <... mount resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6142] chdir("./file0") = 0 [pid 6141] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6141] ftruncate(4, 33554441 [pid 6140] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = 0 [pid 6142] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6142] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6142] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6139] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./21/file0", [pid 5832] newfstatat(AT_FDCWD, "./20/file0", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6142] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5829] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6142] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 5833] close(4 [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./21/file0", [pid 6142] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5832] rmdir("./20/file0" [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6142] ftruncate(4, 33554441 [ 74.432136][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 74.440657][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6139] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] rmdir("./21/file0" [pid 5832] <... rmdir resumed>) = 0 [pid 5829] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5833] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./20" [pid 5833] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./21") = 0 [pid 5832] mkdir("./21", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] mkdir("./22", 0777 [pid 5829] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] getdents64(4, [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5833] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] getdents64(4, [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5833] close(3 [pid 5829] close(4 [pid 6140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6140] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rmdir("./21/file0" [pid 6140] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6140] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] getdents64(3, [pid 6140] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6141] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6140] <... mprotect resumed>) = 0 [pid 5829] close(3 [pid 6141] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... close resumed>) = 0 [pid 6141] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] rmdir("./21" [pid 6141] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6144]}, 88) = 6144 ./strace-static-x86_64: Process 6144 attached [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... rmdir resumed>) = 0 [pid 6144] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] mkdir("./22", 0777 [pid 6144] <... rseq resumed>) = 0 [pid 6140] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6140] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 [pid 6144] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6144] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6144] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6146 attached ./strace-static-x86_64: Process 6145 attached [pid 6144] <... unlinkat resumed>) = 0 [pid 6142] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... ioctl resumed>) = 0 [pid 6146] set_robust_list(0x5555832d26a0, 24 [pid 6144] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(3 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] set_robust_list(0x5555832d26a0, 24 [pid 6144] <... futex resumed>) = 1 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6145 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6140] exit_group(0 [pid 6139] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6146 [pid 6145] chdir("./22" [pid 6142] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6141] <... futex resumed>) = ? [pid 6140] <... exit_group resumed>) = ? [pid 6139] <... futex resumed>) = 0 [pid 6146] chdir("./21" [pid 6145] <... chdir resumed>) = 0 [pid 6141] +++ exited with 0 +++ [pid 6146] <... chdir resumed>) = 0 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] <... prctl resumed>) = 0 [pid 6146] <... prctl resumed>) = 0 [pid 6146] setpgid(0, 0 [pid 6145] setpgid(0, 0 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] <... setpgid resumed>) = 0 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6144] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [pid 6145] write(3, "1000", 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6145] <... write resumed>) = 4 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6145] close(3) = 0 [pid 6145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6145] write(1, "executing program\n", 18executing program ) = 18 executing program [pid 6145] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... openat resumed>) = 3 [pid 6142] <... unlinkat resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6146] write(3, "1000", 4 [pid 6142] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... write resumed>) = 4 [pid 6142] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6146] close(3 [pid 6142] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] exit_group(0 [pid 6146] <... close resumed>) = 0 [pid 6142] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 6146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6146] write(1, "executing program\n", 18 [pid 5831] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] <... write resumed>) = 18 [pid 6145] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6147 attached [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6147] set_robust_list(0x5555832d26a0, 24 [pid 6146] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6142] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 5831] <... openat resumed>) = 3 [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(3, "", [pid 5830] --- 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 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6147 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] getdents64(3, [pid 6147] chdir("./22" [pid 6146] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6145] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6147] <... chdir resumed>) = 0 [pid 6146] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6145] <... mprotect resumed>) = 0 [pid 5831] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] <... mprotect resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... restart_syscall resumed>) = 0 [pid 6147] <... prctl resumed>) = 0 [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6146] <... rt_sigprocmask resumed>[], 8) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6148 attached [pid 6147] setpgid(0, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] unlink("./21/binderfs" [pid 5830] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6148] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6145] <... clone3 resumed> => {parent_tid=[6148]}, 88) = 6148 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] <... rseq resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6148] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6145] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] newfstatat(3, "", [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] <... futex resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] getdents64(3, [pid 6148] memfd_create("syzkaller", 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6148] <... memfd_create resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./21/binderfs", [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6148] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] unlink("./21/binderfs") = 0 ./strace-static-x86_64: Process 6149 attached [pid 6148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6147] <... setpgid resumed>) = 0 [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] <... clone3 resumed> => {parent_tid=[6149]}, 88) = 6149 [pid 6149] <... rseq resumed>) = 0 [pid 6147] <... openat resumed>) = 3 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6147] write(3, "1000", 4 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6147] <... write resumed>) = 4 [pid 6146] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] close(3 [pid 6146] <... futex resumed>) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6147] <... close resumed>) = 0 [pid 6149] memfd_create("syzkaller", 0 [pid 6148] <... write resumed>) = 524288 [pid 6147] symlink("/dev/binderfs", "./binderfs" [pid 6149] <... memfd_create resumed>) = 3 [pid 6147] <... symlink resumed>) = 0 [pid 6149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6147] write(1, "executing program\n", 18executing program [pid 6149] <... mmap resumed>) = 0x7f3f93e00000 [pid 6148] munmap(0x7f3f93e00000, 138412032 [pid 6147] <... write resumed>) = 18 [pid 6148] <... munmap resumed>) = 0 [pid 6148] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 74.579356][ T11] hfsplus: b-tree write err: -5, ino 4 [ 74.593748][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 6148] ioctl(4, LOOP_SET_FD, 3 [pid 6149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6147] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6147] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6147] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6149] <... write resumed>) = 524288 [pid 6148] <... ioctl resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] munmap(0x7f3f93e00000, 138412032 [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] close(3 [pid 6147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6150 attached [pid 5831] <... umount2 resumed>) = 0 [pid 6147] <... clone3 resumed> => {parent_tid=[6150]}, 88) = 6150 [pid 6150] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] <... rseq resumed>) = 0 [pid 6149] <... munmap resumed>) = 0 [pid 6148] <... close resumed>) = 0 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6149] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6148] close(4 [pid 6147] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... close resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] mkdir("./file0", 0777 [pid 6147] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] <... openat resumed>) = 4 [pid 6150] memfd_create("syzkaller", 0 [pid 6149] ioctl(4, LOOP_SET_FD, 3 [pid 6148] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... memfd_create resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./21/file0", [pid 6150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./21/file0", [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(4 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5831] rmdir("./21/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5831] close(3 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./21/file0") = 0 [pid 5831] rmdir("./21") = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5831] mkdir("./22", 0777 [pid 5830] rmdir("./21" [pid 6148] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6150] <... write resumed>) = 524288 [pid 6148] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... mkdir resumed>) = 0 [pid 6148] <... openat resumed>) = 3 [pid 6148] chdir("./file0" [pid 5830] mkdir("./22", 0777 [pid 6148] <... chdir resumed>) = 0 [pid 6148] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6149] <... ioctl resumed>) = 0 [pid 6148] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6148] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] close(3 [pid 6148] <... futex resumed>) = 1 [pid 6149] <... close resumed>) = 0 [pid 6148] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] close(4 [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 6145] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6145] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6145] <... futex resumed>) = 1 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6150] munmap(0x7f3f93e00000, 138412032 [pid 6145] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] close(3 [pid 5830] close(3 [pid 6150] <... munmap resumed>) = 0 [pid 6149] <... close resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6149] mkdir("./file0", 0777 [pid 6148] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6149] <... mkdir resumed>) = 0 [pid 6150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6149] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6148] <... openat resumed>) = 4 [ 74.626659][ T6148] loop4: detected capacity change from 0 to 1024 [ 74.657552][ T6149] loop3: detected capacity change from 0 to 1024 [pid 6150] ioctl(4, LOOP_SET_FD, 3 [pid 6148] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6148] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6145] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6148] ftruncate(4, 33554441./strace-static-x86_64: Process 6151 attached [pid 6145] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] set_robust_list(0x5555832d26a0, 24 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6151 [pid 6151] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6152 attached [pid 6151] chdir("./22") = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6152 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] <... mount resumed>) = 0 [pid 6152] set_robust_list(0x5555832d26a0, 24 [pid 6149] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] <... prctl resumed>) = 0 [pid 6149] <... openat resumed>) = 3 [pid 6152] chdir("./22" [pid 6151] setpgid(0, 0 [pid 6149] chdir("./file0" [pid 6151] <... setpgid resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6151] write(3, "1000", 4) = 4 executing program [pid 6151] close(3) = 0 [pid 6151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6151] write(1, "executing program\n", 18) = 18 [pid 6149] <... chdir resumed>) = 0 [pid 6152] <... chdir resumed>) = 0 [pid 6151] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6151] <... futex resumed>) = 0 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6150] <... ioctl resumed>) = 0 [pid 6149] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] <... prctl resumed>) = 0 [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6150] close(3 [pid 6149] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6150] <... close resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] close(4 [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... close resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6150] mkdir("./file0", 0777 [pid 6151] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... mkdir resumed>) = 0 [pid 6151] <... mprotect resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] setpgid(0, 0 [pid 6150] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6149] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6152] <... setpgid resumed>) = 0 [pid 6149] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6146] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6149] <... openat resumed>) = 4 [pid 6146] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6149] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6153 attached [pid 6152] <... openat resumed>) = 3 [pid 6149] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6152] write(3, "1000", 4 [pid 6149] ftruncate(4, 33554441 [pid 6146] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... write resumed>) = 4 [pid 6146] <... futex resumed>) = 0 [pid 6152] close(3) = 0 [pid 6151] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6146] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... symlink resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 74.698617][ T6150] loop0: detected capacity change from 0 to 1024 executing program [pid 6153] <... rseq resumed>) = 0 [pid 6152] write(1, "executing program\n", 18 [pid 6151] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6152] <... write resumed>) = 18 [pid 6151] <... futex resumed>) = 0 [pid 6152] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6152] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6145] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] memfd_create("syzkaller", 0 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6152] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6145] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6152] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... mount resumed>) = 0 [pid 6145] <... mprotect resumed>) = 0 [pid 6150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6150] chdir("./file0") = 0 [pid 6150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6152] <... mprotect resumed>) = 0 [pid 6150] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = 0 [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6147] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6147] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6154 attached [pid 6153] <... memfd_create resumed>) = 3 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6147] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6154] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6150] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6155 attached [pid 6154] <... rseq resumed>) = 0 [pid 6153] <... mmap resumed>) = 0x7f3f93e00000 [pid 6150] <... openat resumed>) = 4 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] <... clone3 resumed> => {parent_tid=[6155]}, 88) = 6155 [pid 6155] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6150] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... rseq resumed>) = 0 [pid 6154] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6145] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6154] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6152] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6155] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6154] <... unlinkat resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] <... futex resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6155] memfd_create("syzkaller", 0 [pid 6153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6150] ftruncate(4, 33554441 [pid 6148] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] <... memfd_create resumed>) = 3 [pid 6155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6146] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... write resumed>) = 524288 [pid 6146] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] exit_group(0 [pid 6155] <... write resumed>) = 524288 [pid 6148] <... futex resumed>) = ? [pid 6146] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6145] <... exit_group resumed>) = ? [pid 6154] +++ exited with 0 +++ [pid 6148] +++ exited with 0 +++ [pid 6146] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6145] +++ exited with 0 +++ [pid 6153] munmap(0x7f3f93e00000, 138412032 [pid 6149] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6146] <... mprotect resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6153] <... munmap resumed>) = 0 [pid 6146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6155] munmap(0x7f3f93e00000, 138412032 [pid 6153] openat(AT_FDCWD, "/dev/loop1", O_RDWR [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6155] <... munmap resumed>) = 0 [pid 6149] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6149] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... openat resumed>) = 4 [pid 6146] <... clone3 resumed> => {parent_tid=[6156]}, 88) = 6156 [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6156 attached [pid 6155] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6146] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... openat resumed>) = 4 [pid 6146] <... futex resumed>) = 0 [pid 5833] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6153] <... ioctl resumed>) = 0 [pid 6147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6156] <... rseq resumed>) = 0 [pid 6147] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 3 [pid 6156] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6147] <... futex resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 6156] <... set_robust_list resumed>) = 0 [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] getdents64(3, [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6147] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6156] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6150] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6147] <... mprotect resumed>) = 0 [pid 5833] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] close(3 [pid 6155] <... ioctl resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] unlink("./22/binderfs"./strace-static-x86_64: Process 6157 attached [pid 6155] close(3 [pid 6153] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6157] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6156] <... unlinkat resumed>) = 0 [pid 6153] close(4 [pid 6150] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... clone3 resumed> => {parent_tid=[6157]}, 88) = 6157 [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] <... rseq resumed>) = 0 [pid 6156] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6157] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6156] <... futex resumed>) = 1 [pid 6150] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] exit_group(0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] <... futex resumed>) = ? [pid 6149] <... futex resumed>) = ? [pid 6147] <... futex resumed>) = 0 [pid 6146] <... exit_group resumed>) = ? [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 6147] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] +++ exited with 0 +++ [pid 6157] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6157] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... close resumed>) = 0 [pid 6153] <... close resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6153] mkdir("./file0", 0777 [pid 6157] <... futex resumed>) = 1 [pid 6155] close(4 [pid 6153] <... mkdir resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6153] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6147] exit_group(0 [pid 6155] mkdir("./file0", 0777 [pid 6147] <... exit_group resumed>) = ? [pid 6155] <... mkdir resumed>) = 0 [pid 6155] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6150] <... futex resumed>) = ? [pid 6150] +++ exited with 0 +++ [pid 6157] +++ exited with 0 +++ [pid 6147] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6147, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5829] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] <... mount resumed>) = 0 [pid 5832] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] <... openat resumed>) = 3 [pid 6155] <... openat resumed>) = 3 [pid 6155] chdir("./file0" [pid 5829] newfstatat(3, "", [pid 6155] <... chdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6155] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6155] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6155] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6155] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6152] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] unlink("./21/binderfs" [pid 5829] unlink("./22/binderfs" [pid 6155] <... openat resumed>) = 4 [pid 6152] <... futex resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6152] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6155] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... mount resumed>) = 0 [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6155] <... futex resumed>) = 1 [pid 6153] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6152] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 74.842253][ T6153] loop1: detected capacity change from 0 to 1024 [ 74.850949][ T6155] loop2: detected capacity change from 0 to 1024 [ 74.866574][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6155] ftruncate(4, 33554441 [pid 6153] <... openat resumed>) = 3 [pid 6152] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] chdir("./file0" [pid 6152] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./22/file0", [pid 6153] <... chdir resumed>) = 0 [pid 6153] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6152] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6151] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 6153] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6151] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./22/file0") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./22") = 0 [pid 5833] mkdir("./23", 0777 [pid 6153] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 6153] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6153] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6153] ftruncate(4, 33554441 [pid 6151] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555832d2690) = 6158 ./strace-static-x86_64: Process 6158 attached [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6158] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... set_robust_list resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6158] chdir("./23" [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [ 74.922414][ T35] hfsplus: b-tree write err: -5, ino 4 [ 74.929601][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5829] close(4) = 0 [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] rmdir("./22/file0" [pid 6152] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6152] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6152] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... rmdir resumed>) = 0 [pid 6152] <... mprotect resumed>) = 0 [pid 5829] getdents64(3, [pid 6158] <... chdir resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] close(3 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6159 attached [pid 5829] rmdir("./22" [pid 6152] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 5829] <... rmdir resumed>) = 0 [pid 6159] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] mkdir("./23", 0777 [pid 6159] <... rseq resumed>) = 0 [pid 6155] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6159] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6152] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6152] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6159] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... openat resumed>) = 3 [pid 6159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] setpgid(0, 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6159] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6159] <... unlinkat resumed>) = 0 [pid 6158] <... setpgid resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] close(3 [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6159] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... openat resumed>) = 3 [pid 6155] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6159] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6159] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] exit_group(0 [pid 6155] <... futex resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 6155] +++ exited with 0 +++ [pid 6159] <... futex resumed>) = ? [pid 6159] +++ exited with 0 +++ [pid 6158] write(3, "1000", 4 [pid 6152] +++ exited with 0 +++ [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] newfstatat(AT_FDCWD, "./21/file0", [pid 6158] <... write resumed>) = 4 [pid 6151] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6158] close(3 [pid 6151] <... futex resumed>) = 0 [pid 5832] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6158] <... close resumed>) = 0 [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] symlink("/dev/binderfs", "./binderfs" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6160 attached [pid 6160] set_robust_list(0x5555832d26a0, 24 [pid 6158] <... symlink resumed>) = 0 [pid 6153] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6151] <... mmap resumed>) = 0x7f3f9c23b000 executing program [pid 5832] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... restart_syscall resumed>) = 0 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6158] write(1, "executing program\n", 18 [pid 6151] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6158] <... write resumed>) = 18 [pid 5832] <... openat resumed>) = 4 [pid 6151] <... mprotect resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6158] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6160] chdir("./23" [pid 6158] <... futex resumed>) = 0 [pid 6153] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] getdents64(4, [pid 5831] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6160 [pid 6160] <... chdir resumed>) = 0 [pid 6158] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6153] <... futex resumed>) = 0 [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6161 attached [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6153] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] getdents64(4, [pid 5831] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6161] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6160] <... prctl resumed>) = 0 [pid 6158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6151] <... clone3 resumed> => {parent_tid=[6161]}, 88) = 6161 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6161] <... rseq resumed>) = 0 [pid 6160] setpgid(0, 0 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] close(4 [pid 6161] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6161] <... set_robust_list resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6161] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6151] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] rmdir("./21/file0" [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6151] <... futex resumed>) = 0 [pid 6160] <... setpgid resumed>) = 0 [pid 6151] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... rmdir resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6161] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] <... mprotect resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6161] <... unlinkat resumed>) = 0 [pid 6160] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, [pid 6161] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] write(3, "1000", 4 [pid 6158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] close(3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... write resumed>) = 4 [pid 6158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6151] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] close(3 [pid 6158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6151] exit_group(0 [pid 5832] rmdir("./21" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6162 attached [pid 6160] <... close resumed>) = 0 [pid 6153] <... futex resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 5832] <... rmdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6162] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6161] <... futex resumed>) = ? [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6158] <... clone3 resumed> => {parent_tid=[6162]}, 88) = 6162 [pid 6153] +++ exited with 0 +++ [pid 5832] mkdir("./22", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6162] <... rseq resumed>) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 5831] unlink("./22/binderfs"executing program [pid 6162] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6161] +++ exited with 0 +++ [pid 6160] write(1, "executing program\n", 18 [pid 6151] +++ exited with 0 +++ [pid 5831] <... unlink resumed>) = 0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6160] <... write resumed>) = 18 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... mkdir resumed>) = 0 [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6158] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 6162] memfd_create("syzkaller", 0 [pid 6160] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6162] <... memfd_create resumed>) = 3 [pid 6160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6158] <... futex resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6158] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6160] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6160] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6163 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(3, "", [pid 6163] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6160] <... clone3 resumed> => {parent_tid=[6163]}, 88) = 6163 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6163] <... rseq resumed>) = 0 [pid 6162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] getdents64(3, [pid 6163] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6160] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] <... futex resumed>) = 0 [pid 5830] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] memfd_create("syzkaller", 0 [pid 6160] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./22/binderfs", [pid 6163] <... memfd_create resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5830] unlink("./22/binderfs" [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6164 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6164 attached [pid 6163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6164] set_robust_list(0x5555832d26a0, 24 [pid 6162] <... write resumed>) = 524288 [pid 6162] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6162] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6164] <... set_robust_list resumed>) = 0 [pid 6162] <... openat resumed>) = 4 [pid 6164] chdir("./22" [pid 6163] <... write resumed>) = 524288 [pid 6162] ioctl(4, LOOP_SET_FD, 3 [pid 6164] <... chdir resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6164] setpgid(0, 0) = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 75.060757][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6164] write(3, "1000", 4) = 4 [pid 6164] close(3 [pid 6163] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6163] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6164] <... close resumed>) = 0 [pid 6162] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs" [pid 6163] close(3 [pid 6162] close(3 [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] <... symlink resumed>) = 0 [pid 6163] <... close resumed>) = 0 [pid 6162] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6164] write(1, "executing program\n", 18 [pid 6163] close(4 [pid 6162] close(4 [pid 5831] newfstatat(AT_FDCWD, "./22/file0", [pid 6164] <... write resumed>) = 18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] newfstatat(AT_FDCWD, "./22/file0", [pid 6164] <... futex resumed>) = 0 [pid 6163] <... close resumed>) = 0 [pid 6162] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6164] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6163] mkdir("./file0", 0777 [pid 6162] mkdir("./file0", 0777 [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6163] <... mkdir resumed>) = 0 [pid 6162] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6162] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6163] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6164] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] getdents64(4, [pid 6164] <... mprotect resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 4 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] newfstatat(4, "", [pid 6164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6165 attached [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 6165] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6164] <... clone3 resumed> => {parent_tid=[6165]}, 88) = 6165 [pid 6165] <... rseq resumed>) = 0 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6165] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] getdents64(4, [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6164] <... futex resumed>) = 0 [pid 5830] close(4 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... close resumed>) = 0 [pid 6165] memfd_create("syzkaller", 0 [pid 5831] close(4 [pid 5830] rmdir("./22/file0" [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./22/file0") = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./22") = 0 [pid 5831] mkdir("./23", 0777 [pid 6165] <... memfd_create resumed>) = 3 [pid 6162] <... mount resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 75.103357][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 75.111086][ T6162] loop4: detected capacity change from 0 to 1024 [ 75.125012][ T6163] loop0: detected capacity change from 0 to 1024 [pid 6162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] getdents64(3, [pid 6165] <... mmap resumed>) = 0x7f3f93e00000 [pid 6163] <... mount resumed>) = 0 [pid 6162] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6162] chdir("./file0" [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6163] <... openat resumed>) = 3 [pid 6162] <... chdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] rmdir("./22" [pid 6163] chdir("./file0" [pid 6162] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6163] <... chdir resumed>) = 0 [pid 6162] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... ioctl resumed>) = 0 [pid 6163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6162] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(3 [pid 6163] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6163] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 1 [pid 6162] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6163] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6163] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6160] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... futex resumed>) = 1 [pid 6163] <... openat resumed>) = 4 [pid 6158] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] mkdir("./23", 0777 [pid 6162] <... futex resumed>) = 0 [pid 6163] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6163] <... futex resumed>) = 1 [pid 6162] <... openat resumed>) = 4 [pid 6160] <... futex resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6163] ftruncate(4, 33554441 [pid 6160] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6166 attached [pid 6162] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6162] <... futex resumed>) = 1 [pid 6160] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6166 [pid 5830] <... openat resumed>) = 3 [pid 6158] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] set_robust_list(0x5555832d26a0, 24 [pid 6165] <... write resumed>) = 524288 [pid 6162] ftruncate(4, 33554441 [pid 6158] <... futex resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6166] <... set_robust_list resumed>) = 0 [pid 6158] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] chdir("./23") = 0 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6166] setpgid(0, 0) = 0 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... ioctl resumed>) = 0 [pid 6166] <... openat resumed>) = 3 [pid 6166] write(3, "1000", 4) = 4 [pid 6166] close(3) = 0 [pid 6166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] close(3executing program [pid 6166] write(1, "executing program\n", 18) = 18 [pid 6166] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] munmap(0x7f3f93e00000, 138412032 [pid 5830] <... close resumed>) = 0 [pid 6166] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6165] <... munmap resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6166] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6167 attached => {parent_tid=[6167]}, 88) = 6167 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6168 attached [pid 6165] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6167] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... rseq resumed>) = 0 [pid 6166] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... openat resumed>) = 4 [pid 6167] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] memfd_create("syzkaller", 0) = 3 [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6168] set_robust_list(0x5555832d26a0, 24 [pid 6163] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6168 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6168] chdir("./23") = 0 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6168] setpgid(0, 0) = 0 [pid 6160] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... futex resumed>) = 0 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] <... futex resumed>) = 0 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6168] <... openat resumed>) = 3 [pid 6163] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6168] write(3, "1000", 4 [pid 6165] <... ioctl resumed>) = 0 [pid 6160] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6158] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... write resumed>) = 4 [pid 6165] close(3 [pid 6160] <... mprotect resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6168] close(3 [pid 6165] <... close resumed>) = 0 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] <... close resumed>) = 0 [pid 6165] close(4 [pid 6168] symlink("/dev/binderfs", "./binderfs" [pid 6158] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6165] <... close resumed>) = 0 [pid 6168] <... symlink resumed>) = 0 [pid 6167] <... write resumed>) = 524288 [pid 6165] mkdir("./file0", 0777 [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6158] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6168] write(1, "executing program\n", 18 [pid 6167] munmap(0x7f3f93e00000, 138412032 [pid 6165] <... mkdir resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6168] <... write resumed>) = 18 [pid 6167] <... munmap resumed>) = 0 [pid 6165] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6158] <... mprotect resumed>) = 0 [pid 6158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] <... clone3 resumed> => {parent_tid=[6169]}, 88) = 6169 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6160] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6160] <... futex resumed>) = 0 [ 75.236646][ T6165] loop3: detected capacity change from 0 to 1024 ./strace-static-x86_64: Process 6169 attached [pid 6167] <... openat resumed>) = 4 [pid 6160] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] ioctl(4, LOOP_SET_FD, 3 [pid 6169] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6168] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6169] <... rseq resumed>) = 0 [pid 6169] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6168] <... futex resumed>) = 0 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6162] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6158] <... clone3 resumed> => {parent_tid=[6170]}, 88) = 6170 ./strace-static-x86_64: Process 6170 attached [pid 6170] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6169] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] <... rseq resumed>) = 0 [pid 6169] <... unlinkat resumed>) = 0 [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6158] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6162] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6162] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6158] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6169] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... mprotect resumed>) = 0 [pid 6165] <... mount resumed>) = 0 [pid 6169] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6169] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] exit_group(0 [pid 6170] <... unlinkat resumed>) = 0 [pid 6170] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = ? [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6163] <... futex resumed>) = ? [pid 6160] <... exit_group resumed>) = ? [pid 6170] <... futex resumed>) = 1 [pid 6169] +++ exited with 0 +++ [pid 6168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6165] <... openat resumed>) = 3 [pid 6163] +++ exited with 0 +++ [pid 6158] <... futex resumed>) = 0 [pid 6170] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6165] chdir("./file0" [pid 6158] exit_group(0./strace-static-x86_64: Process 6171 attached [pid 6167] <... ioctl resumed>) = 0 [pid 6165] <... chdir resumed>) = 0 [pid 6162] <... futex resumed>) = ? [pid 6170] <... futex resumed>) = ? [pid 6158] <... exit_group resumed>) = ? [pid 6171] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6170] +++ exited with 0 +++ [pid 6168] <... clone3 resumed> => {parent_tid=[6171]}, 88) = 6171 [pid 6167] close(3 [pid 6165] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6162] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 6158] +++ exited with 0 +++ [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... close resumed>) = 0 [pid 6165] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] close(4 [pid 6165] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6171] <... rseq resumed>) = 0 [pid 6168] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 5833] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6171] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6168] <... futex resumed>) = 0 [pid 6167] mkdir("./file0", 0777 [pid 6165] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... set_robust_list resumed>) = 0 [pid 6168] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6167] <... mkdir resumed>) = 0 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6165] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6164] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6171] memfd_create("syzkaller", 0) = 3 [pid 5829] <... openat resumed>) = 3 [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 6171] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6165] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(3, [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6164] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] ftruncate(4, 33554441 [pid 6167] <... mount resumed>) = 0 [pid 6167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6167] chdir("./file0") = 0 [pid 6167] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6167] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6166] <... futex resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5829] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6167] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6166] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 5829] unlink("./23/binderfs" [pid 6171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6167] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6166] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 75.286762][ T6167] loop2: detected capacity change from 0 to 1024 [pid 5833] getdents64(3, [pid 6167] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... unlink resumed>) = 0 [pid 5833] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6167] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6167] ftruncate(4, 33554441 [pid 6166] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] <... futex resumed>) = 0 [pid 6166] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./23/binderfs" [pid 6171] <... write resumed>) = 524288 [pid 5833] <... unlink resumed>) = 0 [pid 6171] munmap(0x7f3f93e00000, 138412032 [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... munmap resumed>) = 0 [pid 6165] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6171] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6164] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6164] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6172 attached => {parent_tid=[6172]}, 88) = 6172 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6164] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6164] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6172] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6172] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6172] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6165] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] exit_group(0 [pid 6166] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6164] <... exit_group resumed>) = ? [pid 6166] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6165] <... futex resumed>) = ? [pid 6166] <... mprotect resumed>) = 0 [pid 6171] <... ioctl resumed>) = 0 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6172] +++ exited with 0 +++ [pid 6171] close(3 [pid 6166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6171] <... close resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6173 attached [pid 5829] <... umount2 resumed>) = 0 [pid 6171] close(4 [pid 6166] <... clone3 resumed> => {parent_tid=[6173]}, 88) = 6173 [pid 6173] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6171] <... close resumed>) = 0 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] <... rseq resumed>) = 0 [pid 6171] mkdir("./file0", 0777 [pid 6165] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 5829] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6171] <... mkdir resumed>) = 0 [pid 6166] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... set_robust_list resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] newfstatat(AT_FDCWD, "./23/file0", [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6171] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... unlinkat resumed>) = 0 [pid 6167] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... mount resumed>) = 0 [pid 6167] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6173] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./23/file0", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 75.351243][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 75.376880][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 75.387328][ T6171] loop1: detected capacity change from 0 to 1024 [pid 6171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6167] <... futex resumed>) = 0 [pid 6166] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 6173] <... futex resumed>) = ? [pid 6171] <... openat resumed>) = 3 [pid 6166] <... exit_group resumed>) = ? [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5829] newfstatat(4, "", [pid 6173] +++ exited with 0 +++ [pid 6167] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5832] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] getdents64(4, [pid 5832] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(4 [pid 6171] chdir("./file0" [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5829] <... close resumed>) = 0 [pid 6166] +++ exited with 0 +++ [pid 6171] <... chdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] rmdir("./23/file0" [pid 6171] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] getdents64(4, [pid 5832] unlink("./22/binderfs" [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6171] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] getdents64(4, [pid 5831] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] close(3 [pid 5831] newfstatat(3, "", [pid 5829] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] rmdir("./23" [pid 5831] getdents64(3, [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./23/binderfs" [pid 5829] mkdir("./24", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... mkdir resumed>) = 0 [pid 6171] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6171] <... futex resumed>) = 1 [pid 5833] close(4) = 0 [pid 6171] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... futex resumed>) = 0 [pid 5833] rmdir("./23/file0" [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 6168] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6171] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 5833] getdents64(3, [pid 5832] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6168] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... openat resumed>) = 4 [pid 5833] close(3 [pid 5832] newfstatat(AT_FDCWD, "./22/file0", [pid 6171] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 5833] rmdir("./23" [pid 5832] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] ftruncate(4, 33554441 [pid 6168] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6168] <... futex resumed>) = 0 [pid 5833] mkdir("./24", 0777 [pid 5832] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6168] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] close(4./strace-static-x86_64: Process 6174 attached [pid 5833] <... mkdir resumed>) = 0 [pid 6174] set_robust_list(0x5555832d26a0, 24 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6174 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] rmdir("./22/file0" [pid 5833] <... ioctl resumed>) = 0 [pid 6174] <... set_robust_list resumed>) = 0 [pid 5833] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 6174] chdir("./24" [ 75.444784][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 75.451731][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5832] getdents64(3, [pid 6174] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] close(3 [pid 6174] <... prctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6174] setpgid(0, 0 [pid 5832] rmdir("./22" [pid 6174] <... setpgid resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] mkdir("./23", 0777) = 0 [pid 6174] <... openat resumed>) = 3 [pid 6174] write(3, "1000", 4) = 4 [pid 6174] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6174] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... openat resumed>) = 3 [pid 6174] symlink("/dev/binderfs", "./binderfs" [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6174] <... symlink resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6174] write(1, "executing program\n", 18 [pid 5832] close(3./strace-static-x86_64: Process 6175 attached [pid 6174] <... write resumed>) = 18 [pid 5831] <... umount2 resumed>) = 0 [pid 6174] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6174] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(AT_FDCWD, "./23/file0", [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... mprotect resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... openat resumed>) = 4 [pid 6175] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6175 [pid 5831] newfstatat(4, "", [pid 6175] <... set_robust_list resumed>) = 0 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6175] chdir("./24" [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6176 attached [pid 6175] <... chdir resumed>) = 0 [pid 6174] <... clone3 resumed> => {parent_tid=[6176]}, 88) = 6176 [pid 5831] getdents64(4, [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6177 attached [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] close(4 [pid 6174] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 5831] rmdir("./23/file0" [pid 6175] <... prctl resumed>) = 0 [pid 6174] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6171] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... rmdir resumed>) = 0 [pid 6176] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6177] set_robust_list(0x5555832d26a0, 24 [pid 6175] setpgid(0, 0 [pid 6177] <... set_robust_list resumed>) = 0 [pid 6175] <... setpgid resumed>) = 0 [pid 6177] chdir("./23" [pid 6176] <... rseq resumed>) = 0 [pid 6176] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6177 [pid 6177] <... chdir resumed>) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... openat resumed>) = 3 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] write(3, "1000", 4 [pid 6177] <... prctl resumed>) = 0 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] setpgid(0, 0 [pid 6176] memfd_create("syzkaller", 0 [pid 6175] <... write resumed>) = 4 [pid 6171] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(3, [pid 6177] <... setpgid resumed>) = 0 [pid 6176] <... memfd_create resumed>) = 3 [pid 6175] close(3 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6175] <... close resumed>) = 0 [pid 6171] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(3 [pid 6177] <... openat resumed>) = 3 [pid 6176] <... mmap resumed>) = 0x7f3f93e00000 [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6177] write(3, "1000", 4 [pid 6175] <... symlink resumed>) = 0 [pid 6171] unlinkat(AT_FDCWD, "./file0/file1", 0executing program [pid 6168] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... write resumed>) = 4 [pid 6175] write(1, "executing program\n", 18 [pid 6171] <... unlinkat resumed>) = 0 [pid 5831] rmdir("./23" [pid 6177] close(3 [pid 6175] <... write resumed>) = 18 [pid 6177] <... close resumed>) = 0 [pid 6175] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 6177] symlink("/dev/binderfs", "./binderfs" [pid 6175] <... futex resumed>) = 0 [pid 6177] <... symlink resumed>) = 0 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6171] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 executing program [pid 6177] write(1, "executing program\n", 18 [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6171] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] exit_group(0 [pid 5831] mkdir("./24", 0777 [pid 6177] <... write resumed>) = 18 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] <... futex resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 6177] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6171] +++ exited with 0 +++ [pid 6168] +++ exited with 0 +++ [pid 6177] <... futex resumed>) = 0 [pid 6175] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6177] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6175] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6175] <... mprotect resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 6177] <... mmap resumed>) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6178 attached [pid 6177] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5830] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6177] <... mprotect resumed>) = 0 [pid 6175] <... clone3 resumed> => {parent_tid=[6178]}, 88) = 6178 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... ioctl resumed>) = 0 [pid 5830] unlink("./23/binderfs" [pid 6178] <... rseq resumed>) = 0 [pid 6177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 6178] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6175] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6179 attached [pid 6178] <... set_robust_list resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6179] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] <... rseq resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 [pid 6179] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6178] memfd_create("syzkaller", 0 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] <... set_robust_list resumed>) = 0 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6178] <... memfd_create resumed>) = 3 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] memfd_create("syzkaller", 0 [pid 6178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6177] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6178] <... mmap resumed>) = 0x7f3f93e00000 [pid 6177] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] <... memfd_create resumed>) = 3 [pid 6178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6176] <... write resumed>) = 524288 [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6176] munmap(0x7f3f93e00000, 138412032 [pid 6179] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6178] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6180 attached [pid 6179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6176] <... munmap resumed>) = 0 [pid 6178] munmap(0x7f3f93e00000, 138412032 [pid 6176] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6180 [pid 6178] <... munmap resumed>) = 0 [pid 6176] <... openat resumed>) = 4 [pid 6178] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6176] ioctl(4, LOOP_SET_FD, 3 [pid 6178] <... openat resumed>) = 4 [pid 6180] set_robust_list(0x5555832d26a0, 24 [pid 6179] <... write resumed>) = 524288 [ 75.583343][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 75.619280][ T6176] loop0: detected capacity change from 0 to 1024 [pid 6178] ioctl(4, LOOP_SET_FD, 3 [pid 6180] <... set_robust_list resumed>) = 0 executing program [pid 6180] chdir("./24") = 0 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6180] setpgid(0, 0) = 0 [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6180] write(3, "1000", 4) = 4 [pid 6180] close(3) = 0 [pid 6180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6180] write(1, "executing program\n", 18) = 18 [pid 6180] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6180] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6180] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6176] <... ioctl resumed>) = 0 [pid 6180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6179] munmap(0x7f3f93e00000, 138412032 [pid 6176] close(3 [pid 6179] <... munmap resumed>) = 0 [pid 6176] <... close resumed>) = 0 [pid 6180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6176] close(4 [pid 6180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6176] <... close resumed>) = 0 ./strace-static-x86_64: Process 6181 attached [pid 6176] mkdir("./file0", 0777 [pid 6180] <... clone3 resumed> => {parent_tid=[6181]}, 88) = 6181 [pid 6176] <... mkdir resumed>) = 0 [pid 6181] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6178] <... ioctl resumed>) = 0 [pid 6176] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6181] <... rseq resumed>) = 0 [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... openat resumed>) = 4 [pid 6181] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6180] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] ioctl(4, LOOP_SET_FD, 3 [pid 6178] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6180] <... futex resumed>) = 0 [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6180] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6181] memfd_create("syzkaller", 0 [pid 6178] <... close resumed>) = 0 [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6181] <... memfd_create resumed>) = 3 [pid 6178] close(4 [pid 5830] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6178] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] newfstatat(4, "", [pid 6181] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6178] mkdir("./file0", 0777 [pid 5830] getdents64(4, [pid 6176] <... mount resumed>) = 0 [pid 6176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6176] chdir("./file0") = 0 [pid 6176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6176] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6174] <... futex resumed>) = 0 [pid 6176] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] <... ioctl resumed>) = 0 [pid 6181] <... write resumed>) = 524288 [pid 6178] <... mkdir resumed>) = 0 [pid 6174] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] getdents64(4, [pid 6176] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = 1 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6181] munmap(0x7f3f93e00000, 138412032 [pid 6179] close(3 [pid 6178] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6176] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6174] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] close(4 [pid 6181] <... munmap resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6179] close(4 [pid 6176] <... openat resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./23/file0" [pid 6179] <... close resumed>) = 0 [ 75.630898][ T6178] loop4: detected capacity change from 0 to 1024 [ 75.651675][ T6179] loop3: detected capacity change from 0 to 1024 [pid 6179] mkdir("./file0", 0777 [pid 6181] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6179] <... mkdir resumed>) = 0 [pid 6181] <... openat resumed>) = 4 [pid 6179] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6181] ioctl(4, LOOP_SET_FD, 3 [pid 6179] <... mount resumed>) = 0 [pid 6178] <... mount resumed>) = 0 [pid 6176] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6179] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6179] chdir("./file0") = 0 [pid 6179] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6179] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... futex resumed>) = 0 [pid 6177] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 0 [pid 6177] <... futex resumed>) = 1 [pid 6179] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6177] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6179] ftruncate(4, 33554441 [pid 6177] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6177] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 5830] close(3 [pid 6178] <... openat resumed>) = 3 [pid 6176] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = 0 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 6176] ftruncate(4, 33554441 [pid 6174] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] rmdir("./23" [pid 6178] chdir("./file0" [pid 6177] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... ioctl resumed>) = 0 [pid 6178] <... chdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6181] close(3 [pid 6178] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] mkdir("./24", 0777 [pid 6181] <... close resumed>) = 0 [pid 6178] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6181] close(4 [pid 6178] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... mkdir resumed>) = 0 [pid 6181] <... close resumed>) = 0 [pid 6181] mkdir("./file0", 0777) = 0 [pid 6181] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6178] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6178] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 6175] <... futex resumed>) = 1 [ 75.694969][ T6181] loop2: detected capacity change from 0 to 1024 [pid 6175] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... futex resumed>) = 0 [pid 6178] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6181] <... mount resumed>) = 0 [pid 6181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6181] chdir("./file0") = 0 [pid 6181] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6181] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6181] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6181] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6180] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... openat resumed>) = 4 [pid 6178] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6175] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6182 attached [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6177] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] set_robust_list(0x5555832d26a0, 24 [pid 6181] ftruncate(4, 33554441 [pid 6178] ftruncate(4, 33554441 [pid 6175] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... futex resumed>) = 0 [pid 6180] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... futex resumed>) = 0 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6177] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6174] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6182 [pid 6177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6174] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6182] chdir("./24") = 0 [pid 6177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6174] <... mprotect resumed>) = 0 [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6182] setpgid(0, 0 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] <... setpgid resumed>) = 0 [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] <... clone3 resumed> => {parent_tid=[6183]}, 88) = 6183 ./strace-static-x86_64: Process 6184 attached [pid 6182] <... openat resumed>) = 3 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6183 attached [pid 6182] write(3, "1000", 4 [pid 6179] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] <... clone3 resumed> => {parent_tid=[6184]}, 88) = 6184 [pid 6184] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6184] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6182] <... write resumed>) = 4 [pid 6177] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] close(3 [pid 6183] <... rseq resumed>) = 0 [pid 6183] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] <... close resumed>) = 0 [pid 6176] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] symlink("/dev/binderfs", "./binderfs" [pid 6174] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6184] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... symlink resumed>) = 0 [pid 6184] <... unlinkat resumed>) = 0 [pid 6183] unlinkat(AT_FDCWD, "./file0/file1", 0executing program [pid 6176] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] write(1, "executing program\n", 18 [pid 6184] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... unlinkat resumed>) = 0 [pid 6179] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... write resumed>) = 18 [pid 6184] <... futex resumed>) = 0 [pid 6182] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] <... futex resumed>) = 0 [pid 6174] exit_group(0 [pid 6184] <... futex resumed>) = ? [pid 6183] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6179] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = ? [pid 6174] <... exit_group resumed>) = ? [pid 6184] +++ exited with 0 +++ [pid 6183] <... futex resumed>) = 1 [pid 6182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6179] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6177] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6183] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6180] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] +++ exited with 0 +++ [pid 6180] <... futex resumed>) = 0 [pid 6177] exit_group(0 [pid 6183] <... futex resumed>) = ? [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6179] <... futex resumed>) = ? [pid 6177] <... exit_group resumed>) = ? [pid 6183] +++ exited with 0 +++ [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6178] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] +++ exited with 0 +++ [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6175] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6182] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6178] <... futex resumed>) = 0 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6180] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6179] +++ exited with 0 +++ [pid 6178] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6182] <... mprotect resumed>) = 0 [pid 6180] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6177] +++ exited with 0 +++ [pid 6175] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6180] <... mprotect resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6175] <... mprotect resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6185 attached [pid 6180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6186 attached [pid 6185] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6182] <... clone3 resumed> => {parent_tid=[6185]}, 88) = 6185 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] newfstatat(3, "", [pid 6185] <... rseq resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6180] <... clone3 resumed> => {parent_tid=[6186]}, 88) = 6186 ./strace-static-x86_64: Process 6187 attached [pid 6186] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6185] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6187] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6186] <... rseq resumed>) = 0 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6182] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] <... clone3 resumed> => {parent_tid=[6187]}, 88) = 6187 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6187] <... rseq resumed>) = 0 [pid 6186] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] getdents64(3, [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6187] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] memfd_create("syzkaller", 0 [pid 6182] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6181] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 0 [pid 6175] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... memfd_create resumed>) = 3 [pid 6181] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6175] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6187] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6185] <... mmap resumed>) = 0x7f3f93e00000 [pid 5832] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] <... unlinkat resumed>) = 0 [pid 6186] <... unlinkat resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 6186] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6180] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] unlink("./24/binderfs" [pid 6186] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] exit_group(0 [pid 5832] getdents64(3, [pid 6186] <... futex resumed>) = ? [pid 6181] <... futex resumed>) = ? [pid 6180] <... exit_group resumed>) = ? [pid 5829] <... unlink resumed>) = 0 [pid 6187] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6180] +++ exited with 0 +++ [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 5832] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6180, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6187] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] exit_group(0 [pid 5832] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5831] <... restart_syscall resumed>) = 0 [pid 6185] <... write resumed>) = 524288 [pid 6187] <... futex resumed>) = ? [pid 6178] <... futex resumed>) = ? [pid 6175] <... exit_group resumed>) = ? [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 6185] munmap(0x7f3f93e00000, 138412032 [pid 6178] +++ exited with 0 +++ [pid 5832] unlink("./23/binderfs" [pid 5831] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./24/file0", [pid 6185] <... munmap resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(3, "", [pid 5829] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... openat resumed>) = 4 [pid 5832] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5829] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6185] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6185] <... ioctl resumed>) = 0 [pid 6175] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] close(3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6185] <... close resumed>) = 0 [pid 6185] close(4 [pid 5833] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6185] mkdir("./file0", 0777 [pid 5833] <... openat resumed>) = 3 [pid 6185] <... mkdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5831] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5829] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... close resumed>) = 0 [pid 6185] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] getdents64(3, [pid 5831] unlink("./24/binderfs" [pid 5829] rmdir("./24/file0" [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5833] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 5833] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5829] <... close resumed>) = 0 [ 75.874710][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 75.906799][ T6185] loop1: detected capacity change from 0 to 1024 [ 75.913951][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] rmdir("./24" [pid 5833] unlink("./24/binderfs" [pid 5829] <... rmdir resumed>) = 0 [pid 6185] <... mount resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] mkdir("./25", 0777 [pid 6185] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6185] chdir("./file0") = 0 [pid 6185] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6185] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = 3 [pid 6185] <... futex resumed>) = 1 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6185] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6182] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./23/file0", [pid 6182] <... futex resumed>) = 1 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6185] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6188 attached [pid 6185] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5832] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6185] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, [pid 6188] set_robust_list(0x5555832d26a0, 24 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6185] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6188] chdir("./25" [pid 5832] <... close resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 5832] rmdir("./23/file0" [pid 6188] <... chdir resumed>) = 0 [pid 6185] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6188] <... prctl resumed>) = 0 [pid 6185] ftruncate(4, 33554441 [pid 6182] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] setpgid(0, 0) = 0 [pid 5831] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6188 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [ 75.929118][ T35] hfsplus: b-tree write err: -5, ino 4 [ 75.948504][ T1100] hfsplus: b-tree write err: -5, ino 4 executing program [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 5831] newfstatat(4, "", [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./23" [pid 5831] getdents64(4, [pid 6188] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 6188] write(3, "1000", 4 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6188] <... write resumed>) = 4 [pid 5831] close(4 [pid 6188] close(3 [pid 5832] mkdir("./24", 0777 [pid 5831] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] rmdir("./24/file0" [pid 6188] <... close resumed>) = 0 [pid 6188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6188] write(1, "executing program\n", 18) = 18 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6188] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 6188] <... futex resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... ioctl resumed>) = 0 [pid 5831] close(3) = 0 [pid 6188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] close(3 [pid 5831] rmdir("./24" [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] <... close resumed>) = 0 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] mkdir("./25", 0777./strace-static-x86_64: Process 6189 attached [pid 6188] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] newfstatat(AT_FDCWD, "./24/file0", [pid 5831] <... mkdir resumed>) = 0 [pid 6188] <... mprotect resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6189 [pid 5831] <... openat resumed>) = 3 [pid 6189] set_robust_list(0x5555832d26a0, 24 [pid 6188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6190 attached [pid 6189] chdir("./24" [pid 5833] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(3 [pid 6190] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6189] <... chdir resumed>) = 0 [pid 6188] <... clone3 resumed> => {parent_tid=[6190]}, 88) = 6190 [pid 6185] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... openat resumed>) = 4 [pid 6190] <... rseq resumed>) = 0 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 6189] <... prctl resumed>) = 0 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6190] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6189] setpgid(0, 0 [pid 6188] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] getdents64(4, [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6190] <... set_robust_list resumed>) = 0 [pid 6189] <... setpgid resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6182] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6191 attached [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6182] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6189] <... openat resumed>) = 3 [pid 6182] <... mprotect resumed>) = 0 [pid 6191] set_robust_list(0x5555832d26a0, 24 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] write(3, "1000", 4 [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] getdents64(4, [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6191 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] memfd_create("syzkaller", 0 [pid 6189] <... write resumed>) = 4 [pid 6182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6191] chdir("./25" [pid 6190] <... memfd_create resumed>) = 3 [pid 6189] close(3 [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6192 attached [pid 6190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] close(4 executing program [pid 6190] <... mmap resumed>) = 0x7f3f93e00000 [pid 6189] <... close resumed>) = 0 [pid 6182] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 5833] <... close resumed>) = 0 [pid 6192] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6191] <... chdir resumed>) = 0 [pid 6189] symlink("/dev/binderfs", "./binderfs" [pid 6192] <... rseq resumed>) = 0 [pid 6191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6189] <... symlink resumed>) = 0 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] rmdir("./24/file0" [pid 6192] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6191] <... prctl resumed>) = 0 [pid 6189] write(1, "executing program\n", 18 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6191] setpgid(0, 0 [pid 6189] <... write resumed>) = 18 [pid 6182] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] <... setpgid resumed>) = 0 [pid 6189] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] <... futex resumed>) = 0 [pid 6182] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] close(3 [pid 6192] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6191] <... openat resumed>) = 3 [pid 6190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6189] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... close resumed>) = 0 [pid 6192] <... unlinkat resumed>) = 0 [pid 6191] write(3, "1000", 4 [pid 6189] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] rmdir("./24" [pid 6192] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... rmdir resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5833] mkdir("./25", 0777 [pid 6192] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] <... write resumed>) = 4 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] exit_group(0 [pid 5833] <... mkdir resumed>) = 0 [pid 6192] <... futex resumed>) = ? [pid 6189] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6185] <... futex resumed>) = ? [pid 6182] <... exit_group resumed>) = ? [pid 6192] +++ exited with 0 +++ [pid 6191] close(3 [pid 6190] <... write resumed>) = 524288 [pid 6189] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6185] +++ exited with 0 +++ [pid 6182] +++ exited with 0 +++ [pid 6191] <... close resumed>) = 0 [pid 6189] <... mprotect resumed>) = 0 [pid 6191] symlink("/dev/binderfs", "./binderfs" [pid 6189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6191] <... symlink resumed>) = 0 [pid 6189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6191] write(1, "executing program\n", 18 executing program [pid 6190] munmap(0x7f3f93e00000, 138412032 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... openat resumed>) = 3 [pid 6191] <... write resumed>) = 18 [pid 6190] <... munmap resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6193 attached [pid 6191] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6189] <... clone3 resumed> => {parent_tid=[6193]}, 88) = 6193 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6191] <... futex resumed>) = 0 [pid 6190] <... openat resumed>) = 4 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6193] <... rseq resumed>) = 0 [pid 6191] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6190] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6193] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6191] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6189] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6193] <... set_robust_list resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] getdents64(3, [pid 6193] memfd_create("syzkaller", 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6193] <... memfd_create resumed>) = 3 [pid 5830] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./24/binderfs" [pid 6189] <... futex resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6189] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6194 attached [pid 6193] <... write resumed>) = 524288 [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6194] set_robust_list(0x5555832d26a0, 24 [pid 6191] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6194 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6191] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6194] chdir("./25") = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6194] setpgid(0, 0) = 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6191] <... mprotect resumed>) = 0 [pid 6190] <... ioctl resumed>) = 0 [pid 6191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6190] close(3 [pid 6194] <... openat resumed>) = 3 [pid 6191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6190] <... close resumed>) = 0 [pid 6194] write(3, "1000", 4 [pid 6193] munmap(0x7f3f93e00000, 138412032 [pid 6191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6190] close(4) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6190] mkdir("./file0", 0777 [pid 6195] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6191] <... clone3 resumed> => {parent_tid=[6195]}, 88) = 6195 [pid 6190] <... mkdir resumed>) = 0 [pid 6195] <... rseq resumed>) = 0 [pid 6194] <... write resumed>) = 4 [pid 6193] <... munmap resumed>) = 0 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6195] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6194] close(3 [pid 6193] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... close resumed>) = 0 [pid 6193] <... openat resumed>) = 4 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 6191] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] <... symlink resumed>) = 0 [pid 6191] <... futex resumed>) = 0 [ 76.096064][ T6190] loop0: detected capacity change from 0 to 1024 [ 76.109038][ T11] hfsplus: b-tree write err: -5, ino 4 executing program [pid 6195] memfd_create("syzkaller", 0 [pid 6194] write(1, "executing program\n", 18 [pid 6193] ioctl(4, LOOP_SET_FD, 3 [pid 6191] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6195] <... memfd_create resumed>) = 3 [pid 6194] <... write resumed>) = 18 [pid 6195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6194] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... mmap resumed>) = 0x7f3f93e00000 [pid 6194] <... futex resumed>) = 0 [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6194] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6196 attached => {parent_tid=[6196]}, 88) = 6196 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6194] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6194] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6196] <... rseq resumed>) = 0 [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6196] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6190] <... mount resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] newfstatat(4, "", [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 6193] <... ioctl resumed>) = 0 [pid 6190] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6193] close(3 [pid 6190] chdir("./file0" [pid 5830] getdents64(4, [pid 6196] memfd_create("syzkaller", 0 [pid 6193] <... close resumed>) = 0 [pid 6190] <... chdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6196] <... memfd_create resumed>) = 3 [pid 6193] close(4 [pid 6190] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] getdents64(4, [pid 6196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6193] <... close resumed>) = 0 [pid 6190] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6196] <... mmap resumed>) = 0x7f3f93e00000 [pid 6193] mkdir("./file0", 0777 [pid 5830] close(4) = 0 [pid 5830] rmdir("./24/file0" [pid 6193] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 6193] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6190] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6195] <... write resumed>) = 524288 [pid 6190] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6188] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] close(3 [pid 6190] <... openat resumed>) = 4 [pid 6188] <... futex resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6188] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] rmdir("./24") = 0 [pid 5830] mkdir("./25", 0777 [pid 6190] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... mkdir resumed>) = 0 [pid 6195] munmap(0x7f3f93e00000, 138412032 [pid 6190] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6190] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] ftruncate(4, 33554441 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 76.146958][ T6193] loop3: detected capacity change from 0 to 1024 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6196] <... write resumed>) = 524288 [pid 5830] close(3) = 0 [pid 6196] munmap(0x7f3f93e00000, 138412032 [pid 6195] <... munmap resumed>) = 0 [pid 6193] <... mount resumed>) = 0 [pid 6196] <... munmap resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6193] chdir("./file0") = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6196] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6193] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6197 attached [pid 6196] <... openat resumed>) = 4 [pid 6195] <... openat resumed>) = 4 [pid 6193] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6193] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6195] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... futex resumed>) = 0 [pid 6193] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] ioctl(4, LOOP_SET_FD, 3 [pid 6193] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6197] set_robust_list(0x5555832d26a0, 24 [pid 6195] <... ioctl resumed>) = 0 [pid 6193] <... openat resumed>) = 4 [pid 6189] <... futex resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6197 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6193] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] chdir("./25" [pid 6193] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... chdir resumed>) = 0 [pid 6193] ftruncate(4, 33554441 [pid 6189] <... futex resumed>) = 0 [pid 6189] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6190] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6197] setpgid(0, 0 [pid 6195] close(3 [pid 6190] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6197] <... setpgid resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 6188] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] close(4 [pid 6190] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6197] <... openat resumed>) = 3 [pid 6195] <... close resumed>) = 0 [pid 6190] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6188] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] write(3, "1000", 4 [pid 6190] <... unlinkat resumed>) = 0 [pid 6197] <... write resumed>) = 4 [pid 6190] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] close(3 [pid 6190] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6197] <... close resumed>) = 0 [pid 6195] mkdir("./file0", 0777 [pid 6190] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] exit_group(0 [pid 6197] symlink("/dev/binderfs", "./binderfs" [pid 6190] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 6197] <... symlink resumed>) = 0 [pid 6195] <... mkdir resumed>) = 0 [pid 6190] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 6195] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6197] write(1, "executing program\n", 18) = 18 [pid 6197] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6197] <... futex resumed>) = 0 [pid 5829] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] <... mount resumed>) = 0 [pid 5829] unlink("./25/binderfs" [pid 6195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 76.234806][ T6195] loop2: detected capacity change from 0 to 1024 [ 76.235555][ T6196] loop4: detected capacity change from 0 to 1024 [pid 6195] <... openat resumed>) = 3 [pid 5829] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6196] <... ioctl resumed>) = 0 [pid 6197] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6195] chdir("./file0" [pid 6196] close(3 [pid 6195] <... chdir resumed>) = 0 [pid 6197] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6195] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6197] <... mprotect resumed>) = 0 [pid 6196] <... close resumed>) = 0 [pid 6195] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6196] close(4 [pid 6195] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... close resumed>) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 0 [pid 6196] mkdir("./file0", 0777 [pid 6195] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6191] <... futex resumed>) = 0 [pid 6196] <... mkdir resumed>) = 0 [pid 6191] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... openat resumed>) = 4 [pid 6196] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6195] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6197] <... rt_sigprocmask resumed>[], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6198]}, 88) = 6198 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6198 attached [pid 6197] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 0 [pid 6189] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6195] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = 0 [pid 6198] <... rseq resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... futex resumed>) = 0 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6198] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6195] ftruncate(4, 33554441 [pid 6191] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] <... set_robust_list resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... futex resumed>) = 0 [pid 6189] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6197] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6189] <... mprotect resumed>) = 0 [pid 6189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6198] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6199 attached ) = 3 [pid 6196] <... mount resumed>) = 0 [pid 6189] <... clone3 resumed> => {parent_tid=[6199]}, 88) = 6199 [pid 5829] <... umount2 resumed>) = 0 [pid 6199] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6198] <... mmap resumed>) = 0x7f3f93e00000 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] <... openat resumed>) = 3 [pid 6189] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6189] <... futex resumed>) = 0 [pid 6196] chdir("./file0") = 0 [pid 6189] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6196] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(AT_FDCWD, "./25/file0", [pid 6199] <... rseq resumed>) = 0 [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6199] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6196] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6194] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] <... set_robust_list resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] <... openat resumed>) = 4 [pid 6194] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6193] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6193] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6199] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6196] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 5829] getdents64(4, [pid 6193] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6199] <... unlinkat resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./25/file0") = 0 [ 76.285290][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5829] getdents64(3, [pid 6199] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... write resumed>) = 524288 [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 1 [pid 6194] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = 0 [pid 6199] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] ftruncate(4, 33554441 [pid 6194] <... futex resumed>) = 0 [pid 6189] exit_group(0 [pid 6194] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = ? [pid 6189] <... exit_group resumed>) = ? [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6199] <... futex resumed>) = ? [pid 6193] +++ exited with 0 +++ [pid 6198] munmap(0x7f3f93e00000, 138412032 [pid 5829] close(3) = 0 [pid 5829] rmdir("./25") = 0 [pid 5829] mkdir("./26", 0777 [pid 6199] +++ exited with 0 +++ [pid 6198] <... munmap resumed>) = 0 [pid 6191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6189] +++ exited with 0 +++ [pid 5829] <... mkdir resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6191] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6189, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6198] <... openat resumed>) = 4 [pid 6191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6198] ioctl(4, LOOP_SET_FD, 3 [pid 6195] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6191] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6191] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6191] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6200]}, 88) = 6200 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6200 attached [pid 6191] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6191] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6195] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... rseq resumed>) = 0 [pid 6200] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6200] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6200] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... ioctl resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6200] <... futex resumed>) = 1 [pid 6198] close(3 [pid 6195] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] <... futex resumed>) = 0 [pid 5832] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6196] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... ioctl resumed>) = 0 [pid 6200] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] <... close resumed>) = 0 [pid 6196] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 6200] <... futex resumed>) = ? [pid 6198] close(4 [pid 6196] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = ? [pid 6194] <... futex resumed>) = 0 [pid 6191] <... exit_group resumed>) = ? [pid 5832] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6200] +++ exited with 0 +++ [pid 6198] <... close resumed>) = 0 [pid 6196] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6195] +++ exited with 0 +++ [pid 6194] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6198] mkdir("./file0", 0777 [pid 5832] newfstatat(3, "", [pid 6198] <... mkdir resumed>) = 0 [pid 6196] <... unlinkat resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6191, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6198] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] getdents64(3, [pid 6194] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6196] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] unlink("./24/binderfs" [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] exit_group(0 [pid 5832] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... exit_group resumed>) = ? [pid 5831] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6201 ./strace-static-x86_64: Process 6201 attached [pid 5831] getdents64(3, [pid 6201] set_robust_list(0x5555832d26a0, 24 [pid 6196] +++ exited with 0 +++ [pid 6194] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [ 76.368772][ T6198] loop1: detected capacity change from 0 to 1024 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5833] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./25/binderfs" [pid 5833] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6198] <... mount resumed>) = 0 [pid 5833] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6201] chdir("./26" [pid 6198] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] <... chdir resumed>) = 0 [pid 6198] chdir("./file0" [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6198] <... chdir resumed>) = 0 [pid 6201] <... prctl resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6201] setpgid(0, 0 [pid 6198] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6201] <... setpgid resumed>) = 0 [pid 6198] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6198] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6198] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] unlink("./25/binderfs" [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... openat resumed>) = 3 [pid 6198] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6197] <... futex resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6197] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6201] write(3, "1000", 4 [pid 6198] <... openat resumed>) = 4 [pid 6198] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6198] ftruncate(4, 33554441 [pid 6197] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6197] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... write resumed>) = 4 [pid 6201] close(3) = 0 [ 76.419823][ T35] hfsplus: b-tree write err: -5, ino 4 [ 76.425936][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] <... umount2 resumed>) = 0 executing program [pid 6201] write(1, "executing program\n", 18 [pid 5832] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6201] <... write resumed>) = 18 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(AT_FDCWD, "./24/file0", [pid 6201] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6198] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6198] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./25/file0", [pid 6201] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6198] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] newfstatat(AT_FDCWD, "./25/file0", [pid 5832] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6201] <... mprotect resumed>) = 0 [pid 6197] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6197] <... mprotect resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6202 attached [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] <... openat resumed>) = 4 [pid 5832] close(4 [pid 5831] newfstatat(4, "", ./strace-static-x86_64: Process 6203 attached [pid 6202] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6201] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 5833] newfstatat(4, "", [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6203] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6202] <... rseq resumed>) = 0 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./24/file0" [pid 5831] getdents64(4, [pid 6203] <... rseq resumed>) = 0 [pid 6202] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] getdents64(4, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6203] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(3, [pid 5831] getdents64(4, [pid 6201] <... futex resumed>) = 0 [pid 6197] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6201] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6197] <... futex resumed>) = 0 [pid 5832] close(3 [pid 6197] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./24" [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] getdents64(4, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] mkdir("./25", 0777 [pid 5831] close(4 [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] memfd_create("syzkaller", 0 [pid 5833] close(4 [pid 5832] <... mkdir resumed>) = 0 [pid 6203] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [ 76.463457][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6202] <... memfd_create resumed>) = 3 [pid 5831] rmdir("./25/file0" [pid 6203] <... unlinkat resumed>) = 0 [pid 5833] rmdir("./25/file0" [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 6202] <... mmap resumed>) = 0x7f3f93e00000 [pid 6203] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] getdents64(3, [pid 6203] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6203] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6203] <... futex resumed>) = ? [pid 6198] <... futex resumed>) = ? [pid 6197] <... exit_group resumed>) = ? [pid 5833] close(3 [pid 5832] close(3 [pid 5831] <... close resumed>) = 0 [pid 6203] +++ exited with 0 +++ [pid 6198] +++ exited with 0 +++ [pid 6197] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 6202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] rmdir("./25" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] rmdir("./25" [pid 5831] <... rmdir resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6202] <... write resumed>) = 524288 [pid 5832] <... close resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6202] munmap(0x7f3f93e00000, 138412032 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6202] <... munmap resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] mkdir("./26", 0777 [pid 6202] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6204 attached ) = -1 EINVAL (Invalid argument) [pid 6204] set_robust_list(0x5555832d26a0, 24 [pid 6202] <... openat resumed>) = 4 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6204] <... set_robust_list resumed>) = 0 [pid 5833] mkdir("./26", 0777 [pid 5830] <... openat resumed>) = 3 [pid 6204] chdir("./25" [pid 6202] ioctl(4, LOOP_SET_FD, 3 [pid 5830] newfstatat(3, "", [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6204 [pid 5831] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5833] close(3 [pid 5831] <... close resumed>) = 0 [pid 6204] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... ioctl resumed>) = 0 [pid 5830] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6204] <... prctl resumed>) = 0 [pid 6202] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] setpgid(0, 0 [pid 5830] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6204] <... setpgid resumed>) = 0 [pid 6202] <... close resumed>) = 0 [pid 6202] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6202] <... close resumed>) = 0 [pid 6202] mkdir("./file0", 0777 [pid 5830] unlink("./25/binderfs" [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6204] <... openat resumed>) = 3 [pid 6202] <... mkdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6205 attached [pid 6204] write(3, "1000", 4 [pid 6202] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6205] set_robust_list(0x5555832d26a0, 24 [pid 6204] <... write resumed>) = 4 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6205 [pid 6204] <... close resumed>) = 0 [pid 6205] chdir("./26" [pid 6204] symlink("/dev/binderfs", "./binderfs" [pid 6205] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6206 attached [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] <... symlink resumed>) = 0 [pid 6206] set_robust_list(0x5555832d26a0, 24 [pid 6205] <... prctl resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6206] chdir("./26" [pid 6205] setpgid(0, 0 [pid 6204] write(1, "executing program\n", 18executing program [pid 6206] <... chdir resumed>) = 0 [pid 6205] <... setpgid resumed>) = 0 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] <... write resumed>) = 18 [pid 6206] <... prctl resumed>) = 0 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] setpgid(0, 0 [pid 6204] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6206 [pid 6204] <... futex resumed>) = 0 [pid 6206] <... setpgid resumed>) = 0 [pid 6204] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6205] <... openat resumed>) = 3 [pid 6204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6205] write(3, "1000", 4 [pid 6204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6205] <... write resumed>) = 4 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] close(3 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] <... close resumed>) = 0 [pid 6204] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6205] symlink("/dev/binderfs", "./binderfs" [pid 6204] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6202] <... mount resumed>) = 0 [pid 6206] <... openat resumed>) = 3 [pid 6205] <... symlink resumed>) = 0 [pid 6204] <... mprotect resumed>) = 0 [pid 6202] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6206] write(3, "1000", 4) = 4 [pid 6206] close(3) = 0 [pid 6206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6206] write(1, "executing program\n", 18 [pid 6204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6202] <... openat resumed>) = 3 executing program [pid 6206] <... write resumed>) = 18 [pid 6206] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6206] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 76.569604][ T6202] loop0: detected capacity change from 0 to 1024 [ 76.595716][ T3026] hfsplus: b-tree write err: -5, ino 4 executing program [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] write(1, "executing program\n", 18 [pid 6204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6202] chdir("./file0" [pid 6205] <... write resumed>) = 18 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6202] <... chdir resumed>) = 0 [pid 6205] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6207 attached [pid 6206] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6205] <... futex resumed>) = 0 [pid 6202] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6207] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6205] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6207] <... rseq resumed>) = 0 [pid 6205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6204] <... clone3 resumed> => {parent_tid=[6207]}, 88) = 6207 [pid 6207] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6202] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... mprotect resumed>) = 0 [pid 6205] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6204] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] memfd_create("syzkaller", 0 [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6205] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6204] <... futex resumed>) = 0 [pid 6202] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6201] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] <... memfd_create resumed>) = 3 [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6204] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] newfstatat(AT_FDCWD, "./25/file0", [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6205] <... mprotect resumed>) = 0 [pid 6202] <... openat resumed>) = 4 [pid 6201] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6208 attached [pid 6207] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6206] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 6205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 76.625179][ T971] cfg80211: failed to load regulatory.db [pid 6208] <... rseq resumed>) = 0 [pid 6207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6202] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6206] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 4 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6201] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] newfstatat(4, "", [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] <... futex resumed>) = 0 [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] ftruncate(4, 33554441 [pid 6201] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6208] memfd_create("syzkaller", 0 [pid 6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] getdents64(4, ./strace-static-x86_64: Process 6209 attached [pid 6209] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6205] <... clone3 resumed> => {parent_tid=[6209]}, 88) = 6209 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6209] <... rseq resumed>) = 0 [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6205] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 6205] <... futex resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6205] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6209] memfd_create("syzkaller", 0) = 3 [pid 6209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6208] <... memfd_create resumed>) = 3 [pid 6207] <... write resumed>) = 524288 [pid 5830] getdents64(4, [pid 6208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6209] <... mmap resumed>) = 0x7f3f93e00000 [pid 6208] <... mmap resumed>) = 0x7f3f93e00000 [pid 6207] munmap(0x7f3f93e00000, 138412032 [pid 5830] <... close resumed>) = 0 [pid 6209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6207] <... munmap resumed>) = 0 [pid 6202] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5830] rmdir("./25/file0" [pid 6208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6207] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 6207] ioctl(4, LOOP_SET_FD, 3 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 6208] <... write resumed>) = 524288 [pid 5830] rmdir("./25") = 0 [pid 5830] mkdir("./26", 0777 [pid 6209] <... write resumed>) = 524288 [pid 6208] munmap(0x7f3f93e00000, 138412032 [pid 6207] <... ioctl resumed>) = 0 [pid 6202] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... mkdir resumed>) = 0 [pid 6209] munmap(0x7f3f93e00000, 138412032 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6208] <... munmap resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6209] <... munmap resumed>) = 0 [pid 6208] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6207] close(3 [pid 6202] <... futex resumed>) = 1 [pid 6209] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6202] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] <... openat resumed>) = 4 [pid 6207] <... close resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6208] <... openat resumed>) = 4 [pid 6207] close(4 [pid 6201] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6202] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6201] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... unlinkat resumed>) = 0 [pid 6202] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6201] exit_group(0) = ? [pid 6202] +++ exited with 0 +++ [pid 6201] +++ exited with 0 +++ [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6210 attached , child_tidptr=0x5555832d2690) = 6210 [pid 6210] set_robust_list(0x5555832d26a0, 24) = 0 executing program [pid 6209] <... ioctl resumed>) = 0 [pid 6208] ioctl(4, LOOP_SET_FD, 3 [pid 6207] <... close resumed>) = 0 [pid 6210] chdir("./26") = 0 [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6210] setpgid(0, 0) = 0 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6210] write(3, "1000", 4) = 4 [pid 6210] close(3) = 0 [pid 6210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6210] write(1, "executing program\n", 18) = 18 [pid 6210] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6210] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6207] mkdir("./file0", 0777 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6209] close(3) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6210] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6207] <... mkdir resumed>) = 0 [pid 6209] close(4 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6210] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6211 attached => {parent_tid=[6211]}, 88) = 6211 [pid 6211] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] <... rseq resumed>) = 0 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... close resumed>) = 0 [pid 6208] <... ioctl resumed>) = 0 [pid 6207] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6211] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6210] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] mkdir("./file0", 0777 [pid 6208] close(3 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] <... mkdir resumed>) = 0 [pid 6208] <... close resumed>) = 0 [pid 5829] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6209] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6208] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6208] mkdir("./file0", 0777 [pid 5829] <... openat resumed>) = 3 [pid 6211] memfd_create("syzkaller", 0 [pid 6208] <... mkdir resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6211] <... memfd_create resumed>) = 3 [pid 6207] <... mount resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6208] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6207] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6207] chdir("./file0" [pid 5829] unlink("./26/binderfs" [pid 6209] <... mount resumed>) = 0 [pid 6207] <... chdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6207] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6207] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6209] <... openat resumed>) = 3 [pid 6207] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6209] chdir("./file0" [pid 6207] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [ 76.711690][ T6207] loop3: detected capacity change from 0 to 1024 [ 76.723929][ T6209] loop2: detected capacity change from 0 to 1024 [ 76.741649][ T6208] loop4: detected capacity change from 0 to 1024 [pid 6209] <... chdir resumed>) = 0 [pid 6207] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6204] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6207] <... openat resumed>) = 4 [pid 6204] <... futex resumed>) = 0 [pid 6209] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6204] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6209] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6205] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 0 [pid 6205] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6204] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] ftruncate(4, 33554441 [pid 6204] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... openat resumed>) = 4 [pid 6209] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6209] ftruncate(4, 33554441 [pid 6205] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... write resumed>) = 524288 [pid 6205] <... futex resumed>) = 0 [pid 6208] <... mount resumed>) = 0 [pid 6205] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6208] chdir("./file0") = 0 [pid 6208] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6211] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6211] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6208] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6211] <... openat resumed>) = 4 [pid 6208] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] ioctl(4, LOOP_SET_FD, 3 [pid 6208] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6206] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6206] <... futex resumed>) = 0 [pid 6206] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... openat resumed>) = 4 [pid 6211] <... ioctl resumed>) = 0 [pid 6208] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(3 [pid 6208] <... futex resumed>) = 1 [pid 6211] <... close resumed>) = 0 [pid 6208] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = 0 [pid 6211] close(4 [pid 6206] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6206] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... close resumed>) = 0 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] ftruncate(4, 33554441 [pid 6211] mkdir("./file0", 0777 [pid 6204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6204] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6211] <... mkdir resumed>) = 0 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6204] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6211] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6205] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6205] <... futex 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6212 attached [pid 6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6204] <... clone3 resumed> => {parent_tid=[6212]}, 88) = 6212 [pid 6205] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 6205] <... mprotect resumed>) = 0 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6212] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [ 76.781262][ T11] hfsplus: b-tree write err: -5, ino 4 [ 76.818348][ T6211] loop1: detected capacity change from 0 to 1024 [pid 6205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6204] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6212] <... rseq resumed>) = 0 [pid 6205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6204] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6212] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... clone3 resumed> => {parent_tid=[6213]}, 88) = 6213 [pid 5829] newfstatat(AT_FDCWD, "./26/file0", [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6205] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6212] <... set_robust_list resumed>) = 0 [pid 6205] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6213 attached [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] <... mount resumed>) = 0 [pid 6207] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6205] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = 4 [pid 6211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6213] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 5829] newfstatat(4, "", [pid 6213] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6211] <... openat resumed>) = 3 [pid 6207] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6212] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] getdents64(4, [pid 6213] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6207] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6213] <... unlinkat resumed>) = 0 [pid 6212] <... unlinkat resumed>) = 0 [pid 6211] chdir("./file0" [pid 6206] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(4, [pid 6211] <... chdir resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6212] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] close(4 [pid 6211] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6206] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6212] <... futex resumed>) = 1 [pid 6206] <... mprotect resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6211] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6212] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6204] exit_group(0 [pid 5829] rmdir("./26/file0" [pid 6212] <... futex resumed>) = ? [pid 6211] <... futex resumed>) = 1 [pid 6210] <... 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6204] <... exit_group resumed>) = ? [pid 5829] <... rmdir resumed>) = 0 [pid 6212] +++ exited with 0 +++ [pid 6207] <... futex resumed>) = ? [pid 6210] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 6214 attached [pid 6210] <... futex resumed>) = 0 [pid 6206] <... clone3 resumed> => {parent_tid=[6214]}, 88) = 6214 [pid 5829] getdents64(3, [pid 6211] <... openat resumed>) = 4 [pid 6210] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6214] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6211] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... rseq resumed>) = 0 [pid 6206] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6214] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6211] ftruncate(4, 33554441 [pid 6210] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = 0 [pid 5829] close(3 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6206] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... close resumed>) = 0 [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] rmdir("./26" [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... rmdir resumed>) = 0 [pid 6214] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6209] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... unlinkat resumed>) = 0 [pid 5829] mkdir("./27", 0777 [pid 6209] <... futex resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6209] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] +++ exited with 0 +++ [pid 6213] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6204] +++ exited with 0 +++ [pid 6214] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] exit_group(0 [pid 5832] --- 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 6214] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = ? [pid 6206] <... futex resumed>) = 0 [pid 6205] <... exit_group resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6214] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] +++ exited with 0 +++ [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6213] +++ exited with 0 +++ [pid 6205] +++ exited with 0 +++ [pid 5829] <... ioctl resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6205, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] close(3 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./25/binderfs") = 0 [pid 5832] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555832d2690) = 6215 ./strace-static-x86_64: Process 6215 attached [pid 6215] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6215] chdir("./27") = 0 [pid 6208] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6215] setpgid(0, 0) = 0 [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6215] write(3, "1000", 4 [pid 6208] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] <... write resumed>) = 4 [pid 6208] <... futex resumed>) = 0 [pid 6206] exit_group(0 [pid 6215] close(3 [pid 6214] <... futex resumed>) = ? [pid 6206] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... close resumed>) = 0 [pid 6214] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6215] write(1, "executing program\n", 18executing program [pid 6210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6215] <... write resumed>) = 18 [pid 6210] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] +++ exited with 0 +++ [pid 6206] +++ exited with 0 +++ [pid 5831] <... openat resumed>) = 3 [pid 6215] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] newfstatat(3, "", [pid 6215] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6210] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6210] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6210] <... mprotect resumed>) = 0 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] getdents64(3, [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6215] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6215] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6216 attached [pid 6215] <... mprotect resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6216] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6210] <... clone3 resumed> => {parent_tid=[6216]}, 88) = 6216 [pid 5833] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] <... rseq resumed>) = 0 [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... openat resumed>) = 3 [pid 5831] unlink("./26/binderfs" [pid 6216] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] newfstatat(3, "", [pid 6216] <... set_robust_list resumed>) = 0 [pid 6210] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6217 attached [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] <... clone3 resumed> => {parent_tid=[6217]}, 88) = 6217 [pid 6210] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6210] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6217] <... rseq resumed>) = 0 [pid 6216] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... unlinkat resumed>) = 0 [pid 6215] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6215] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6216] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6216] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6211] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6211] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6217] memfd_create("syzkaller", 0 [pid 6210] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... memfd_create resumed>) = 3 [pid 6216] <... futex resumed>) = ? [pid 6211] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 5833] unlink("./26/binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6216] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 6217] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./25/file0", [pid 6217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6211] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 76.943220][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 76.974903][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5832] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6217] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./26/binderfs") = 0 [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] munmap(0x7f3f93e00000, 138412032 [pid 5832] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6217] <... munmap resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... openat resumed>) = 4 [pid 6217] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(AT_FDCWD, "./26/file0", [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/file0", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] <... ioctl resumed>) = 0 [pid 5832] getdents64(4, [pid 6217] close(3 [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6217] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 6217] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(4 [pid 5830] newfstatat(AT_FDCWD, "./26/file0", [pid 6217] mkdir("./file0", 0777 [pid 5833] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./25/file0" [pid 5831] newfstatat(4, "", [pid 6217] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6217] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] getdents64(4, [pid 5831] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(4, "", [pid 5833] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] rmdir("./26/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5833] getdents64(3, [pid 5830] rmdir("./26/file0" [pid 5831] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 6217] <... mount resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] close(4 [pid 5830] getdents64(3, [pid 6217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6217] <... openat resumed>) = 3 [pid 5833] rmdir("./26" [pid 6217] chdir("./file0" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] rmdir("./26/file0" [pid 6217] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6217] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 6217] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] mkdir("./27", 0777 [pid 5832] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6217] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] rmdir("./25" [pid 5830] rmdir("./26" [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 6217] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6215] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6215] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] mkdir("./26", 0777 [pid 5830] mkdir("./27", 0777 [pid 6217] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 6217] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... mkdir resumed>) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6217] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./26" [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6215] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6217] ftruncate(4, 33554441 [pid 5833] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] mkdir("./27", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [ 77.004227][ T35] hfsplus: b-tree write err: -5, ino 4 [ 77.010168][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 77.027294][ T6217] loop0: detected capacity change from 0 to 1024 [pid 5830] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6218 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6220 ./strace-static-x86_64: Process 6220 attached ./strace-static-x86_64: Process 6219 attached [pid 6220] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6220] chdir("./27") = 0 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6219] set_robust_list(0x5555832d26a0, 24 [pid 6220] <... prctl resumed>) = 0 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6220] setpgid(0, 0 [pid 6219] chdir("./27" [pid 6220] <... setpgid resumed>) = 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] <... chdir resumed>) = 0 [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6220] <... openat resumed>) = 3 [pid 6219] <... prctl resumed>) = 0 [pid 6219] setpgid(0, 0 [pid 6220] write(3, "1000", 4 [pid 6219] <... setpgid resumed>) = 0 [pid 6220] <... write resumed>) = 4 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6219 ./strace-static-x86_64: Process 6218 attached [pid 6220] close(3) = 0 [pid 6219] <... openat resumed>) = 3 [pid 6218] set_robust_list(0x5555832d26a0, 24 [pid 5831] close(3 [pid 6220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6219] write(3, "1000", 4executing program [pid 6220] write(1, "executing program\n", 18 [pid 6219] <... write resumed>) = 4 [pid 6218] <... set_robust_list resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6220] <... write resumed>) = 18 [pid 6219] close(3 [pid 6218] chdir("./26" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] <... chdir resumed>) = 0 [pid 6220] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... close resumed>) = 0 [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6220] <... futex resumed>) = 0 [pid 6219] symlink("/dev/binderfs", "./binderfs" [pid 6218] <... prctl resumed>) = 0 [pid 6220] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6219] <... symlink resumed>) = 0 [pid 6218] setpgid(0, 0 [pid 6215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6218] <... setpgid resumed>) = 0 [pid 6215] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6219] write(1, "executing program\n", 18 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6221 [pid 6220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6219] <... write resumed>) = 18 ./strace-static-x86_64: Process 6221 attached [pid 6219] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... openat resumed>) = 3 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6221] set_robust_list(0x5555832d26a0, 24 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6218] write(3, "1000", 4 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6218] <... write resumed>) = 4 [pid 6215] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6221] chdir("./27" [pid 6220] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] close(3 [pid 6215] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6221] <... chdir resumed>) = 0 [pid 6220] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6218] <... close resumed>) = 0 [pid 6221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6220] <... mprotect resumed>) = 0 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] symlink("/dev/binderfs", "./binderfs" [pid 6215] <... mprotect resumed>) = 0 [pid 6221] <... prctl resumed>) = 0 [pid 6220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6221] setpgid(0, 0 [pid 6220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6219] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6218] write(1, "executing program\n", 18 [pid 6217] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6221] <... setpgid resumed>) = 0 [pid 6220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6219] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6218] <... write resumed>) = 18 [pid 6217] <... futex resumed>) = 0 [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}executing program ./strace-static-x86_64: Process 6222 attached [pid 6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] <... mprotect resumed>) = 0 [pid 6218] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6221] <... openat resumed>) = 3 [pid 6218] <... futex resumed>) = 0 [pid 6215] <... clone3 resumed> => {parent_tid=[6222]}, 88) = 6222 [pid 6222] <... rseq resumed>) = 0 [pid 6221] write(3, "1000", 4 [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6222] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6221] <... write resumed>) = 4 [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] close(3 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] <... close resumed>) = 0 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] symlink("/dev/binderfs", "./binderfs" [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6215] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6221] <... symlink resumed>) = 0 [pid 6218] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6222] <... unlinkat resumed>) = 0 [pid 6221] write(1, "executing program\n", 18) = 18 [pid 6221] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6218] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6221] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] <... mprotect resumed>) = 0 [pid 6222] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6222] <... futex resumed>) = 1 [pid 6221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] <... futex resumed>) = 0 [pid 6222] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6215] exit_group(0 [pid 6222] <... futex resumed>) = ? [pid 6221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6217] <... futex resumed>) = ? [pid 6215] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6223 attached [pid 6222] +++ exited with 0 +++ [pid 6221] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6217] +++ exited with 0 +++ ./strace-static-x86_64: Process 6224 attached [pid 6223] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6221] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6223] <... rseq resumed>) = 0 [pid 6221] <... mprotect resumed>) = 0 [pid 6218] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 6215] +++ exited with 0 +++ [pid 6223] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6223] <... set_robust_list resumed>) = 0 [pid 6221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6218] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6225 attached [pid 6223] memfd_create("syzkaller", 0 [pid 6218] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6223] <... memfd_create resumed>) = 3 [pid 6221] <... clone3 resumed> => {parent_tid=[6225]}, 88) = 6225 [pid 6225] <... rseq resumed>) = 0 [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6223] <... mmap resumed>) = 0x7f3f93e00000 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6221] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... clone3 resumed> => {parent_tid=[6224]}, 88) = 6224 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6224] <... rseq resumed>) = 0 [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... clone3 resumed> => {parent_tid=[6226]}, 88) = 6226 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6220] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6220] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6226 attached [pid 6225] memfd_create("syzkaller", 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6220] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6225] <... memfd_create resumed>) = 3 [pid 6223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6226] <... rseq resumed>) = 0 [pid 6225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6224] memfd_create("syzkaller", 0 [pid 6219] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6225] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6219] <... futex resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... set_robust_list resumed>) = 0 [pid 6224] <... memfd_create resumed>) = 3 [pid 6219] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] newfstatat(AT_FDCWD, "./27/binderfs", [pid 6226] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] unlink("./27/binderfs" [pid 6226] memfd_create("syzkaller", 0 [pid 5829] <... unlink resumed>) = 0 [pid 6224] <... mmap resumed>) = 0x7f3f93e00000 [pid 6226] <... memfd_create resumed>) = 3 [pid 6225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 6225] <... write resumed>) = 524288 [pid 6226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6223] <... write resumed>) = 524288 [pid 6223] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6223] ioctl(4, LOOP_SET_FD, 3 [pid 6224] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6224] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6224] ioctl(4, LOOP_SET_FD, 3 [pid 6225] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6225] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6225] ioctl(4, LOOP_SET_FD, 3 [pid 6224] <... ioctl resumed>) = 0 [pid 6224] close(3) = 0 [ 77.187846][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 77.201727][ T6223] loop3: detected capacity change from 0 to 1024 [ 77.216529][ T6224] loop4: detected capacity change from 0 to 1024 [ 77.217966][ T6225] loop2: detected capacity change from 0 to 1024 [pid 6226] <... write resumed>) = 524288 [pid 6224] close(4 [pid 6226] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6224] <... close resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6226] ioctl(4, LOOP_SET_FD, 3 [pid 6224] mkdir("./file0", 0777 [pid 6223] <... ioctl resumed>) = 0 [pid 6223] close(3) = 0 [pid 6223] close(4 [pid 6226] <... ioctl resumed>) = 0 [pid 6224] <... mkdir resumed>) = 0 [pid 6225] <... ioctl resumed>) = 0 [pid 6223] <... close resumed>) = 0 [pid 6224] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] <... umount2 resumed>) = 0 [pid 6223] mkdir("./file0", 0777 [pid 5829] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6223] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./27/file0", [pid 6223] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6226] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6226] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 6225] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6226] close(4 [pid 6225] <... close resumed>) = 0 [pid 5829] close(4 [pid 6226] <... close resumed>) = 0 [pid 6225] close(4 [pid 5829] <... close resumed>) = 0 [pid 6226] mkdir("./file0", 0777 [pid 6225] <... close resumed>) = 0 [pid 5829] rmdir("./27/file0" [pid 6226] <... mkdir resumed>) = 0 [pid 6225] mkdir("./file0", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 6226] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6225] <... mkdir resumed>) = 0 [pid 5829] getdents64(3, [pid 6225] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./27") = 0 [pid 5829] mkdir("./28", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [ 77.234522][ T6226] loop1: detected capacity change from 0 to 1024 [pid 5829] close(3 [pid 6224] <... mount resumed>) = 0 [pid 6223] <... mount resumed>) = 0 [pid 6224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6224] <... openat resumed>) = 3 [pid 6223] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6224] chdir("./file0" [pid 6223] chdir("./file0") = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6223] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6224] <... chdir resumed>) = 0 [pid 6223] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6227 attached [pid 6223] <... futex resumed>) = 1 [pid 6223] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] set_robust_list(0x5555832d26a0, 24 [pid 6223] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6218] <... futex resumed>) = 0 [pid 6227] <... set_robust_list resumed>) = 0 [pid 6224] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6223] <... openat resumed>) = 4 [pid 6218] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] chdir("./28" [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6227 [pid 6227] <... chdir resumed>) = 0 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6223] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... prctl resumed>) = 0 [pid 6226] <... mount resumed>) = 0 [pid 6225] <... mount resumed>) = 0 [pid 6224] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6227] setpgid(0, 0 [pid 6226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6224] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6223] ftruncate(4, 33554441 [pid 6220] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... setpgid resumed>) = 0 executing program [pid 6226] <... openat resumed>) = 3 [pid 6225] <... openat resumed>) = 3 [pid 6220] <... futex resumed>) = 0 [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] <... openat resumed>) = 4 [pid 6220] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... futex resumed>) = 0 [pid 6227] <... openat resumed>) = 3 [pid 6218] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] write(3, "1000", 4) = 4 [pid 6227] close(3) = 0 [pid 6227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6226] chdir("./file0") = 0 [pid 6225] chdir("./file0") = 0 [pid 6224] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] write(1, "executing program\n", 18 [pid 6226] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6225] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6227] <... write resumed>) = 18 [pid 6226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6227] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6225] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6226] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 1 [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6226] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] ftruncate(4, 33554441 [pid 6221] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6225] <... futex resumed>) = 0 [pid 6221] <... futex resumed>) = 1 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] <... openat resumed>) = 4 [pid 6225] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6221] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6226] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6226] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6219] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... mprotect resumed>) = 0 [pid 6226] ftruncate(4, 33554441 [pid 6219] <... futex resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6219] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... openat resumed>) = 4 [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6228]}, 88) = 6228 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6221] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6228 attached [pid 6227] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] ftruncate(4, 33554441 [pid 6221] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6221] <... futex resumed>) = 0 [pid 6227] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6221] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6228] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6228] memfd_create("syzkaller", 0) = 3 [pid 6228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6218] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6218] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6229 attached => {parent_tid=[6229]}, 88) = 6229 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6218] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6218] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6220] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6229] <... rseq resumed>) = 0 [pid 6220] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6229] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6220] <... mprotect resumed>) = 0 [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 6220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6229] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6230 attached [pid 6219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6230] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6220] <... clone3 resumed> => {parent_tid=[6230]}, 88) = 6230 [pid 6219] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] <... futex resumed>) = 0 [pid 6230] <... rseq resumed>) = 0 [pid 6223] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6219] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6220] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6230] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6229] <... unlinkat resumed>) = 0 [pid 6228] <... write resumed>) = 524288 [pid 6220] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... mprotect resumed>) = 0 [pid 6229] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] munmap(0x7f3f93e00000, 138412032 [pid 6229] <... futex resumed>) = 1 [pid 6228] <... munmap resumed>) = 0 [pid 6229] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6218] <... futex resumed>) = 0 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6228] ioctl(4, LOOP_SET_FD, 3 [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6224] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6231 attached [pid 6230] <... unlinkat resumed>) = 0 [pid 6226] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6224] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] exit_group(0) = ? [pid 6231] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6230] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... clone3 resumed> => {parent_tid=[6231]}, 88) = 6231 [pid 6231] <... rseq resumed>) = 0 [pid 6230] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6231] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6230] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] <... futex resumed>) = ? [pid 6228] <... ioctl resumed>) = 0 [pid 6226] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... futex resumed>) = ? [pid 6221] <... futex resumed>) = 0 [pid 6220] exit_group(0 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6229] +++ exited with 0 +++ [pid 6224] <... futex resumed>) = ? [pid 6230] <... futex resumed>) = ? [pid 6223] +++ exited with 0 +++ [pid 6220] <... exit_group resumed>) = ? [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] +++ exited with 0 +++ [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] close(3 [pid 6224] +++ exited with 0 +++ [pid 6221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6228] <... close resumed>) = 0 [pid 6221] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6228] close(4 [pid 6221] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] +++ exited with 0 +++ [pid 6228] <... close resumed>) = 0 [pid 6221] <... mprotect resumed>) = 0 [pid 6220] +++ exited with 0 +++ [pid 6219] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6228] mkdir("./file0", 0777 [pid 6225] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6219] <... futex resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... unlinkat resumed>) = 0 [pid 6228] <... mkdir resumed>) = 0 [pid 6225] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6219] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6231] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6225] <... futex resumed>) = 0 [pid 6221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6232 attached [pid 6231] <... futex resumed>) = 0 [pid 6225] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] exit_group(0 [pid 5832] newfstatat(3, "", [pid 6232] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6226] <... futex resumed>) = ? [pid 6221] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 6219] <... exit_group resumed>) = ? [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6232] <... rseq resumed>) = 0 [pid 6231] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(3, [pid 6232] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6221] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6219, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] <... futex resumed>) = 0 [pid 5833] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./26/binderfs", [pid 6232] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] unlink("./26/binderfs" [pid 6232] <... unlinkat resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] <... unlink resumed>) = 0 [pid 5830] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [ 77.404099][ T6228] loop0: detected capacity change from 0 to 1024 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./27/binderfs") = 0 [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./27/binderfs", [pid 6232] <... futex resumed>) = 1 [pid 6221] <... futex resumed>) = 0 [pid 6232] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] <... mount resumed>) = 0 [pid 6221] exit_group(0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6232] <... futex resumed>) = ? [pid 6228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6221] <... exit_group resumed>) = ? [pid 6228] <... openat resumed>) = 3 [pid 5830] unlink("./27/binderfs" [pid 6228] chdir("./file0" [pid 6232] +++ exited with 0 +++ [pid 6228] <... chdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6228] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6228] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] <... futex resumed>) = ? [pid 6228] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6227] <... futex resumed>) = 0 [pid 6225] +++ exited with 0 +++ [pid 6221] +++ exited with 0 +++ [pid 6228] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6221, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... futex resumed>) = 0 [pid 6228] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6227] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... openat resumed>) = 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6228] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/binderfs", [pid 6228] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6227] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] unlink("./27/binderfs" [pid 6228] ftruncate(4, 33554441 [pid 6227] <... futex resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6227] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6228] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6228] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6228] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(4, "", [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6228] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6227] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 6228] <... unlinkat resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./26/file0") = 0 [pid 5832] getdents64(3, [pid 6228] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] close(3) = 0 [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./26" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6228] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] exit_group(0 [pid 5830] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6228] <... futex resumed>) = ? [pid 6227] <... exit_group resumed>) = ? [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] mkdir("./27", 0777 [pid 5830] <... openat resumed>) = 4 [pid 6228] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./27/file0", [pid 5830] newfstatat(4, "", [pid 6227] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(4, [pid 5829] --- 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 5831] <... umount2 resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... openat resumed>) = 4 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5833] newfstatat(4, "", [pid 5832] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 77.450200][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 77.456236][ T11] hfsplus: b-tree write err: -5, ino 4 [ 77.470796][ T35] hfsplus: b-tree write err: -5, ino 4 [ 77.481846][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5830] rmdir("./27/file0" [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./27/file0" [pid 5831] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6233 attached [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6233 [pid 5831] <... openat resumed>) = 4 [pid 5830] getdents64(3, [pid 5829] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6233] set_robust_list(0x5555832d26a0, 24 [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6233] <... set_robust_list resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6233] chdir("./27" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6233] <... chdir resumed>) = 0 [pid 5831] getdents64(4, [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6233] <... prctl resumed>) = 0 [pid 5831] getdents64(4, [pid 6233] setpgid(0, 0 [pid 5833] close(3 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6233] <... setpgid resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] close(4 [pid 5830] rmdir("./27" [pid 5833] rmdir("./27" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 5831] rmdir("./27/file0" [pid 5833] mkdir("./28", 0777 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] getdents64(3, [pid 6233] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] mkdir("./28", 0777 [pid 5829] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6233] write(3, "1000", 4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... write resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6233] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] rmdir("./27" [pid 6233] symlink("/dev/binderfs", "./binderfs" [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] unlink("./28/binderfs" [pid 5831] <... rmdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... unlink resumed>) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] mkdir("./28", 0777 [pid 6233] write(1, "executing program\n", 18 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6233] <... write resumed>) = 18 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 6233] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6233] <... futex resumed>) = 0 [pid 6233] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6234 [pid 6233] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] <... ioctl resumed>) = 0 [pid 6233] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] close(3./strace-static-x86_64: Process 6234 attached [pid 6234] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6234] chdir("./28" [pid 6233] <... mprotect resumed>) = 0 [pid 6234] <... chdir resumed>) = 0 [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] <... close resumed>) = 0 [pid 6234] setpgid(0, 0) = 0 [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6234] <... openat resumed>) = 3 [pid 6233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6234] write(3, "1000", 4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6235 attached ./strace-static-x86_64: Process 6237 attached ./strace-static-x86_64: Process 6236 attached [pid 6235] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6233] <... clone3 resumed> => {parent_tid=[6237]}, 88) = 6237 [pid 6235] chdir("./28" [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] <... chdir resumed>) = 0 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6235 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6233] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6235] <... prctl resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6237] <... rseq resumed>) = 0 [pid 6235] setpgid(0, 0 [pid 6233] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6237] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6236] set_robust_list(0x5555832d26a0, 24 [pid 6234] <... write resumed>) = 4 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6236 [pid 5829] <... umount2 resumed>) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] close(3executing program [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] chdir("./28" [pid 6235] <... setpgid resumed>) = 0 [pid 6234] <... close resumed>) = 0 [pid 5829] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] <... symlink resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./28/file0", [pid 6236] <... chdir resumed>) = 0 [pid 6234] write(1, "executing program\n", 18 [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6234] <... write resumed>) = 18 [pid 6236] <... prctl resumed>) = 0 [pid 5829] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] setpgid(0, 0 [pid 6235] <... openat resumed>) = 3 [pid 6234] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] memfd_create("syzkaller", 0 [ 77.591186][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6236] <... setpgid resumed>) = 0 [pid 6235] write(3, "1000", 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6237] <... memfd_create resumed>) = 3 [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6235] <... write resumed>) = 4 [pid 6234] <... futex resumed>) = 0 [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... openat resumed>) = 3 [pid 6235] close(3 [pid 5829] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6237] <... mmap resumed>) = 0x7f3f93e00000 [pid 6236] write(3, "1000", 4 [pid 6235] <... close resumed>) = 0 [pid 6234] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6235] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... openat resumed>) = 4 [pid 6235] <... symlink resumed>) = 0 [pid 5829] newfstatat(4, "", executing program executing program [pid 6236] <... write resumed>) = 4 [pid 6234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6236] close(3 [pid 6235] write(1, "executing program\n", 18 [pid 6234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] getdents64(4, [pid 6236] <... close resumed>) = 0 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6235] <... write resumed>) = 18 [pid 6236] <... symlink resumed>) = 0 [pid 6236] write(1, "executing program\n", 18 [pid 6235] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] getdents64(4, [pid 6236] <... write resumed>) = 18 [pid 6235] <... futex resumed>) = 0 [pid 6234] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6235] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6234] <... mprotect resumed>) = 0 [pid 5829] close(4 [pid 6235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6236] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... close resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 5829] rmdir("./28/file0" [pid 6236] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6236] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6235] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... rmdir resumed>) = 0 [pid 6236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6235] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] getdents64(3, [pid 6237] <... write resumed>) = 524288 [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... mprotect resumed>) = 0 [pid 6234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6237] munmap(0x7f3f93e00000, 138412032 [pid 6236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6238 attached [pid 6236] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] close(3 [pid 6238] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6236] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6234] <... clone3 resumed> => {parent_tid=[6238]}, 88) = 6238 ./strace-static-x86_64: Process 6239 attached [pid 6238] <... rseq resumed>) = 0 [pid 6236] <... mprotect resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... close resumed>) = 0 [pid 6238] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6239] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6235] <... clone3 resumed> => {parent_tid=[6239]}, 88) = 6239 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] rmdir("./28" [pid 6239] <... rseq resumed>) = 0 [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... rmdir resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] <... futex resumed>) = 0 [pid 6234] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] mkdir("./29", 0777 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... munmap resumed>) = 0 [pid 6235] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6234] <... futex resumed>) = 1 [pid 6239] memfd_create("syzkaller", 0 [pid 6238] memfd_create("syzkaller", 0 [pid 6237] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6234] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... mkdir resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6237] <... openat resumed>) = 4 [pid 6238] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6240 attached [pid 6239] <... memfd_create resumed>) = 3 [pid 6237] ioctl(4, LOOP_SET_FD, 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6236] <... clone3 resumed> => {parent_tid=[6240]}, 88) = 6240 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6236] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6240] <... rseq resumed>) = 0 [pid 6239] <... mmap resumed>) = 0x7f3f93e00000 [pid 6238] <... mmap resumed>) = 0x7f3f93e00000 [pid 6237] <... ioctl resumed>) = 0 [pid 6236] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6240] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6237] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6237] close(4 [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6237] <... close resumed>) = 0 [pid 5829] close(3 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] mkdir("./file0", 0777) = 0 [pid 6240] memfd_create("syzkaller", 0 [pid 6239] <... write resumed>) = 524288 [pid 5829] <... close resumed>) = 0 [pid 6237] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6238] <... write resumed>) = 524288 [pid 6240] <... memfd_create resumed>) = 3 [pid 6239] munmap(0x7f3f93e00000, 138412032 [pid 6237] <... mount resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6238] munmap(0x7f3f93e00000, 138412032./strace-static-x86_64: Process 6241 attached [pid 6240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6239] <... munmap resumed>) = 0 [pid 6238] <... munmap resumed>) = 0 [pid 6237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6241 [pid 6241] set_robust_list(0x5555832d26a0, 24 [pid 6240] <... mmap resumed>) = 0x7f3f93e00000 [ 77.700786][ T6237] loop3: detected capacity change from 0 to 1024 [pid 6239] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6238] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6237] <... openat resumed>) = 3 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6237] chdir("./file0" [pid 6241] chdir("./29" [pid 6237] <... chdir resumed>) = 0 [pid 6241] <... chdir resumed>) = 0 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6241] <... prctl resumed>) = 0 [pid 6239] <... openat resumed>) = 4 [pid 6238] <... openat resumed>) = 4 [pid 6241] setpgid(0, 0 [pid 6239] ioctl(4, LOOP_SET_FD, 3 [pid 6238] ioctl(4, LOOP_SET_FD, 3 [pid 6237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6241] <... setpgid resumed>) = 0 [pid 6240] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6237] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6237] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6240] <... write resumed>) = 524288 [pid 6239] <... ioctl resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6241] <... openat resumed>) = 3 [pid 6240] munmap(0x7f3f93e00000, 138412032 [pid 6239] close(3 [pid 6233] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] write(3, "1000", 4 [pid 6240] <... munmap resumed>) = 0 [pid 6239] <... close resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 6241] <... write resumed>) = 4 [pid 6240] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6239] close(4 [pid 6238] <... ioctl resumed>) = 0 [pid 6237] <... futex resumed>) = 0 [pid 6233] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] close(3 [pid 6240] <... openat resumed>) = 4 [pid 6239] <... close resumed>) = 0 [pid 6238] close(3 [pid 6237] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6241] <... close resumed>) = 0 [pid 6240] ioctl(4, LOOP_SET_FD, 3 [pid 6239] mkdir("./file0", 0777 [pid 6241] symlink("/dev/binderfs", "./binderfs"executing program [pid 6238] <... close resumed>) = 0 [pid 6237] <... openat resumed>) = 4 [pid 6241] <... symlink resumed>) = 0 [pid 6238] close(4 [pid 6241] write(1, "executing program\n", 18) = 18 [pid 6241] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6241] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6241] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6238] <... close resumed>) = 0 [pid 6237] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6239] <... mkdir resumed>) = 0 [pid 6241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6239] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6238] mkdir("./file0", 0777 [pid 6237] <... futex resumed>) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6233] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6242 attached [pid 6238] <... mkdir resumed>) = 0 [pid 6237] ftruncate(4, 33554441 [pid 6233] <... futex resumed>) = 0 [pid 6233] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... clone3 resumed> => {parent_tid=[6242]}, 88) = 6242 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6241] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6242] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6241] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6242] <... rseq resumed>) = 0 [pid 6242] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6242] memfd_create("syzkaller", 0) = 3 [pid 6242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6240] <... ioctl resumed>) = 0 [pid 6240] close(3) = 0 [pid 6240] close(4) = 0 [pid 6240] mkdir("./file0", 0777 [pid 6242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6240] <... mkdir resumed>) = 0 [pid 6240] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6242] <... write resumed>) = 524288 [pid 6239] <... mount resumed>) = 0 [pid 6238] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6239] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6239] chdir("./file0" [pid 6242] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6239] <... chdir resumed>) = 0 [pid 6239] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6239] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6242] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 77.765174][ T6239] loop2: detected capacity change from 0 to 1024 [ 77.767623][ T6238] loop4: detected capacity change from 0 to 1024 [ 77.782270][ T6240] loop1: detected capacity change from 0 to 1024 [pid 6239] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... openat resumed>) = 4 [pid 6240] <... mount resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6240] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6235] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] ioctl(4, LOOP_SET_FD, 3 [pid 6240] <... openat resumed>) = 3 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... mount resumed>) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6239] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6240] chdir("./file0") = 0 [pid 6240] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6239] <... openat resumed>) = 4 [pid 6240] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6235] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6240] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 6238] <... openat resumed>) = 3 [pid 6239] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] chdir("./file0" [pid 6240] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... chdir resumed>) = 0 [pid 6235] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6239] ftruncate(4, 33554441 [pid 6238] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6233] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6236] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6238] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6238] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6233] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6238] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6238] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6234] <... futex resumed>) = 0 [pid 6233] <... mprotect resumed>) = 0 [pid 6237] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6240] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6236] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] ftruncate(4, 33554441 [pid 6238] <... openat resumed>) = 4 [pid 6236] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... ioctl resumed>) = 0 [pid 6238] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = 0 [pid 6233] <... rt_sigprocmask resumed>[], 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6238] <... futex resumed>) = 1 [pid 6237] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... futex resumed>) = 0 [pid 6234] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6243 attached [pid 6238] ftruncate(4, 33554441 [pid 6234] <... futex resumed>) = 0 [pid 6234] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... clone3 resumed> => {parent_tid=[6243]}, 88) = 6243 [pid 6242] close(3 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6233] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = 0 [pid 6243] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6242] close(4 [pid 6233] <... futex resumed>) = 0 [pid 6243] <... rseq resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6233] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6242] mkdir("./file0", 0777 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] <... mkdir resumed>) = 0 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6243] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6243] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] exit_group(0) = ? [pid 6243] <... futex resumed>) = ? [pid 6237] <... futex resumed>) = ? [pid 6237] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 6233] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [ 77.846621][ T6242] loop0: detected capacity change from 0 to 1024 [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6235] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6235] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6235] <... clone3 resumed> => {parent_tid=[6244]}, 88) = 6244 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6244 attached NULL, 8) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6235] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6235] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6244] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 5832] newfstatat(3, "", [pid 6244] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] getdents64(3, [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6240] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6240] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] <... unlinkat resumed>) = 0 [pid 6240] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6236] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(AT_FDCWD, "./27/binderfs", [pid 6244] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6244] <... futex resumed>) = 1 [pid 6240] <... unlinkat resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 5832] unlink("./27/binderfs" [pid 6244] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... unlink resumed>) = 0 [pid 5832] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6240] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... mount resumed>) = 0 [pid 6239] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6239] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] chdir("./file0" [pid 6239] <... futex resumed>) = 0 [pid 6242] <... chdir resumed>) = 0 [pid 6239] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6240] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6242] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] exit_group(0 [pid 6235] exit_group(0 [pid 6244] <... futex resumed>) = ? [pid 6242] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = ? [pid 6236] <... exit_group resumed>) = ? [pid 6235] <... exit_group resumed>) = ? [pid 6244] +++ exited with 0 +++ [pid 6242] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] +++ exited with 0 +++ [pid 6235] +++ exited with 0 +++ [pid 6234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6241] <... futex resumed>) = 0 [pid 6240] +++ exited with 0 +++ [pid 6236] +++ exited with 0 +++ [pid 6234] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6241] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6236, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6238] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6242] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6241] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6242] <... openat resumed>) = 4 [pid 6238] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6242] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6234] <... mprotect resumed>) = 0 [pid 5831] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6238] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] ftruncate(4, 33554441 [pid 6241] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6241] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6245 attached [pid 5831] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6245] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6234] <... clone3 resumed> => {parent_tid=[6245]}, 88) = 6245 [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6245] <... rseq resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] newfstatat(3, "", [pid 6245] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6234] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6234] <... futex resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] getdents64(3, [pid 6234] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6245] <... unlinkat resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./28/binderfs" [pid 5830] unlink("./28/binderfs" [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [ 77.922153][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5832] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6245] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6234] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6234] exit_group(0 [pid 6245] ???( [pid 6234] <... exit_group resumed>) = ? [pid 6245] <... ??? resumed>) = ? [pid 6238] <... futex resumed>) = ? [pid 6245] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 6234] +++ exited with 0 +++ [pid 5832] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6234, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./27/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./27") = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] mkdir("./28", 0777 [pid 5833] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5832] <... mkdir resumed>) = 0 [pid 6242] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./28/binderfs") = 0 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6242] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6241] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6241] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6242] <... unlinkat resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 77.969812][ T35] hfsplus: b-tree write err: -5, ino 4 [ 77.979758][ T11] hfsplus: b-tree write err: -5, ino 4 ./strace-static-x86_64: Process 6246 attached [pid 6242] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(4, [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6246] chdir("./28" [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = 0 [pid 6242] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] exit_group(0 [pid 6246] <... chdir resumed>) = 0 [pid 5831] getdents64(4, [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6246] <... prctl resumed>) = 0 [pid 5831] close(4 [pid 6246] setpgid(0, 0 [pid 5831] <... close resumed>) = 0 [pid 6246] <... setpgid resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6246 [pid 5831] rmdir("./28/file0" [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... rmdir resumed>) = 0 [pid 6246] <... openat resumed>) = 3 [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./28" [pid 6246] write(3, "1000", 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6246] <... write resumed>) = 4 [pid 5831] mkdir("./29", 0777 [pid 6246] close(3 [pid 6242] <... futex resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 5831] <... mkdir resumed>) = 0 [pid 6246] <... close resumed>) = 0 [pid 6242] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6246] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... openat resumed>) = 3 [pid 6246] <... symlink resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3executing program [pid 6241] +++ exited with 0 +++ [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6246] write(1, "executing program\n", 18 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./28/file0", [pid 5829] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6246] <... write resumed>) = 18 [pid 5829] newfstatat(3, "", [pid 6246] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6246] <... futex resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(3, [pid 6246] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6246] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] unlink("./29/binderfs"./strace-static-x86_64: Process 6247 attached [pid 6246] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6247 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] set_robust_list(0x5555832d26a0, 24 [pid 6246] <... mprotect resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] newfstatat(4, "", [pid 6246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6247] chdir("./29" [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6248 attached [pid 6246] <... clone3 resumed> => {parent_tid=[6248]}, 88) = 6248 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6248] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6246] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... rseq resumed>) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6248] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6246] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] <... chdir resumed>) = 0 [pid 5830] getdents64(4, [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] getdents64(4, [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] <... prctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6248] memfd_create("syzkaller", 0 [pid 6247] setpgid(0, 0 [pid 5830] close(4 [pid 6248] <... memfd_create resumed>) = 3 [pid 6248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [ 78.025727][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6247] <... setpgid resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./28/file0" [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 6247] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6247] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = 0 executing program [pid 5830] close(3 [pid 6248] <... write resumed>) = 524288 [pid 6247] <... write resumed>) = 4 [pid 6247] close(3 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 6247] <... close resumed>) = 0 [pid 6247] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./28" [pid 5833] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] mkdir("./29", 0777 [pid 6247] write(1, "executing program\n", 18 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... mkdir resumed>) = 0 [pid 6247] <... write resumed>) = 18 [pid 5833] getdents64(4, [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6247] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6247] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6247] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] rmdir("./28/file0" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6248] munmap(0x7f3f93e00000, 138412032 [pid 6247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6248] <... munmap resumed>) = 0 [pid 6247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] getdents64(3, [pid 5830] <... ioctl resumed>) = 0 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] close(3 [pid 6248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 6248] <... openat resumed>) = 4 [pid 5833] rmdir("./28") = 0 [pid 6248] ioctl(4, LOOP_SET_FD, 3 [pid 5833] mkdir("./29", 0777) = 0 [pid 6247] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6247] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 6247] <... mprotect resumed>) = 0 [pid 6247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 [pid 6247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6250 attached [pid 6247] <... clone3 resumed> => {parent_tid=[6249]}, 88) = 6249 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] set_robust_list(0x5555832d26a0, 24 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6250 [pid 5833] <... close resumed>) = 0 [pid 6247] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6249 attached [pid 6249] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6248] <... ioctl resumed>) = 0 [pid 6249] memfd_create("syzkaller", 0 [pid 6248] close(3./strace-static-x86_64: Process 6251 attached ) = 0 [pid 6248] close(4 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6251 [pid 6249] <... memfd_create resumed>) = 3 [pid 6248] <... close resumed>) = 0 [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6248] mkdir("./file0", 0777 [pid 6249] <... mmap resumed>) = 0x7f3f93e00000 [pid 6248] <... mkdir resumed>) = 0 [pid 6251] set_robust_list(0x5555832d26a0, 24 [pid 6249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [ 78.075495][ T35] hfsplus: b-tree write err: -5, ino 4 [ 78.102937][ T6248] loop3: detected capacity change from 0 to 1024 [pid 6248] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] <... set_robust_list resumed>) = 0 [pid 6249] <... write resumed>) = 524288 [pid 6247] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... umount2 resumed>) = 0 [pid 6251] chdir("./29" [pid 6250] chdir("./29" [pid 6251] <... chdir resumed>) = 0 [pid 6250] <... chdir resumed>) = 0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] <... prctl resumed>) = 0 [pid 6251] setpgid(0, 0 [pid 6250] setpgid(0, 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... setpgid resumed>) = 0 [pid 6251] <... setpgid resumed>) = 0 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] munmap(0x7f3f93e00000, 138412032 [pid 5829] newfstatat(AT_FDCWD, "./29/file0", [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6251] <... openat resumed>) = 3 [pid 6249] <... munmap resumed>) = 0 [pid 5829] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6251] write(3, "1000", 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6251] <... write resumed>) = 4 [pid 6251] close(3 [pid 5829] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6251] <... close resumed>) = 0 [pid 6250] write(3, "1000", 4 [pid 5829] <... openat resumed>) = 4 [pid 6251] symlink("/dev/binderfs", "./binderfs" [pid 6250] <... write resumed>) = 4 [pid 6249] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6248] <... mount resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6251] <... symlink resumed>) = 0 [pid 6250] close(3executing program [pid 6249] <... openat resumed>) = 4 [pid 6248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6251] write(1, "executing program\n", 18 [pid 6249] ioctl(4, LOOP_SET_FD, 3 [pid 6248] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6251] <... write resumed>) = 18 [pid 6250] <... close resumed>) = 0 [pid 6248] chdir("./file0" [pid 5829] getdents64(4, [pid 6251] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... chdir resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6248] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(4, [pid 6251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6248] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6248] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 5829] close(4 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] symlink("/dev/binderfs", "./binderfs" [pid 6248] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = 0 [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 5829] rmdir("./29/file0" [pid 6251] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6250] <... symlink resumed>) = 0 [pid 6248] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6246] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... rmdir resumed>) = 0 [pid 6251] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] getdents64(3, [pid 6251] <... mprotect resumed>) = 0 [pid 6250] write(1, "executing program\n", 18executing program [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6250] <... write resumed>) = 18 [pid 6249] <... ioctl resumed>) = 0 [pid 6248] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6250] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] close(3 [pid 6248] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6250] <... futex resumed>) = 0 [pid 6249] <... close resumed>) = 0 [pid 6248] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6252 attached [pid 6250] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6249] close(4 [pid 6248] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rmdir("./29" [pid 6252] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6251] <... clone3 resumed> => {parent_tid=[6252]}, 88) = 6252 [pid 6250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6249] <... close resumed>) = 0 [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6252] <... rseq resumed>) = 0 [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6249] mkdir("./file0", 0777 [pid 6248] ftruncate(4, 33554441 [pid 6246] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] mkdir("./30", 0777 [pid 6252] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... mkdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6250] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6251] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6251] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] memfd_create("syzkaller", 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6252] <... memfd_create resumed>) = 3 [pid 5829] close(3 [pid 6250] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6250] <... mprotect resumed>) = 0 [pid 6250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6253 attached [pid 5829] <... close resumed>) = 0 [pid 6253] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6250] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 6249] <... mount resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6253] <... rseq resumed>) = 0 [pid 6253] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6253] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6254 attached [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] chdir("./file0" [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... chdir resumed>) = 0 [pid 6250] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6250] <... futex resumed>) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6249] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] memfd_create("syzkaller", 0 [pid 6250] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6249] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... memfd_create resumed>) = 3 [pid 6254] set_robust_list(0x5555832d26a0, 24 [ 78.181418][ T6249] loop2: detected capacity change from 0 to 1024 [pid 6253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6254 [pid 6254] chdir("./30" [pid 6249] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6247] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6249] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6247] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6249] <... openat resumed>) = 4 [pid 6254] <... chdir resumed>) = 0 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6252] <... write resumed>) = 524288 [pid 6254] <... prctl resumed>) = 0 [pid 6254] setpgid(0, 0) = 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... openat resumed>) = 3 [pid 6249] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6249] ftruncate(4, 33554441 [pid 6247] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6247] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] write(3, "1000", 4 [pid 6252] munmap(0x7f3f93e00000, 138412032 [pid 6254] <... write resumed>) = 4 [pid 6252] <... munmap resumed>) = 0 [pid 6254] close(3) = 0 [pid 6252] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6252] <... openat resumed>) = 4 [pid 6252] ioctl(4, LOOP_SET_FD, 3executing program [pid 6254] write(1, "executing program\n", 18 [pid 6246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6254] <... write resumed>) = 18 [pid 6246] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... write resumed>) = 524288 [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] <... futex resumed>) = 0 [pid 6246] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6246] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6253] munmap(0x7f3f93e00000, 138412032 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6253] <... munmap resumed>) = 0 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6255 attached [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6246] <... clone3 resumed> => {parent_tid=[6255]}, 88) = 6255 [pid 6253] <... openat resumed>) = 4 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6246] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6246] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6253] ioctl(4, LOOP_SET_FD, 3 [pid 6255] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6254] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6255] <... rseq resumed>) = 0 [pid 6254] <... mprotect resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6255] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6252] <... ioctl resumed>) = 0 [pid 6248] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] unlinkat(AT_FDCWD, "./file0/file1", 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6252] close(3) = 0 [pid 6254] <... clone3 resumed> => {parent_tid=[6256]}, 88) = 6256 [pid 6252] close(4 [pid 6255] <... unlinkat resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] <... close resumed>) = 0 ./strace-static-x86_64: Process 6256 attached [pid 6255] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] mkdir("./file0", 0777 [pid 6256] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6255] <... futex resumed>) = 1 [pid 6254] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... mkdir resumed>) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6255] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] <... futex resumed>) = 0 [pid 6252] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6254] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6256] <... rseq resumed>) = 0 [pid 6248] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6248] <... futex resumed>) = 0 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6248] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6246] exit_group(0 [pid 6256] memfd_create("syzkaller", 0) = 3 [pid 6255] <... futex resumed>) = ? [pid 6248] <... futex resumed>) = ? [pid 6246] <... exit_group resumed>) = ? [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6255] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 6256] <... mmap resumed>) = 0x7f3f93e00000 [pid 6253] <... ioctl resumed>) = 0 [pid 6247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6246] +++ exited with 0 +++ [pid 6247] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6246, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6247] <... futex resumed>) = 0 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5832] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] close(3 [pid 6247] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6253] close(4 [pid 6252] <... mount resumed>) = 0 [pid 6247] <... mprotect resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6253] <... close resumed>) = 0 [pid 6247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] newfstatat(3, "", [pid 6253] mkdir("./file0", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6253] <... mkdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6252] <... openat resumed>) = 3 [pid 5832] unlink("./28/binderfs" [pid 6252] chdir("./file0" [pid 6247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6252] <... chdir resumed>) = 0 [pid 6247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6257 attached [ 78.263506][ T6252] loop4: detected capacity change from 0 to 1024 [ 78.286417][ T6253] loop1: detected capacity change from 0 to 1024 [pid 6257] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6247] <... clone3 resumed> => {parent_tid=[6257]}, 88) = 6257 [pid 6257] <... rseq resumed>) = 0 [pid 6249] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6252] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6257] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6256] <... write resumed>) = 524288 [pid 6252] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6249] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6247] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] <... futex resumed>) = 0 [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6252] <... futex resumed>) = 1 [pid 6252] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] <... futex resumed>) = 0 [pid 6251] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 1 [pid 6252] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6257] <... unlinkat resumed>) = 0 [pid 6252] <... openat resumed>) = 4 [pid 6251] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6253] <... mount resumed>) = 0 [pid 6251] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6251] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] munmap(0x7f3f93e00000, 138412032 [pid 6253] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6257] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... munmap resumed>) = 0 [pid 6253] <... openat resumed>) = 3 [pid 6252] ftruncate(4, 33554441 [pid 6253] chdir("./file0") = 0 [pid 6253] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6253] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6253] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] <... futex resumed>) = 0 [pid 6256] ioctl(4, LOOP_SET_FD, 3 [pid 6257] <... futex resumed>) = 1 [pid 6250] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6257] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6247] exit_group(0 [pid 6257] <... futex resumed>) = ? [pid 6250] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... exit_group resumed>) = ? [pid 6249] <... futex resumed>) = ? [pid 6253] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6249] +++ exited with 0 +++ [pid 6253] <... openat resumed>) = 4 [pid 6253] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6253] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6253] ftruncate(4, 33554441 [pid 6250] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] +++ exited with 0 +++ [pid 6247] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6247, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6256] <... ioctl resumed>) = 0 [pid 5831] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6256] close(3 [pid 5831] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6256] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6256] close(4 [pid 5831] unlink("./29/binderfs") = 0 [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6256] <... close resumed>) = 0 [ 78.324646][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 78.347744][ T6256] loop0: detected capacity change from 0 to 1024 [pid 6256] mkdir("./file0", 0777) = 0 [pid 6251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6256] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6251] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6251] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6251] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6258]}, 88) = 6258 [pid 6251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6251] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6251] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6258 attached [pid 5832] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 6258] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6258] <... rseq resumed>) = 0 [pid 6256] <... mount resumed>) = 0 [pid 5832] getdents64(4, [pid 6258] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6258] <... set_robust_list resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6258] rt_sigprocmask(SIG_SETMASK, [], [pid 6256] <... openat resumed>) = 3 [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] getdents64(4, [pid 6258] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6258] <... unlinkat resumed>) = 0 [pid 6256] chdir("./file0" [pid 6258] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... chdir resumed>) = 0 [pid 6250] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(4 [pid 6258] <... futex resumed>) = 1 [pid 6256] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6251] <... futex resumed>) = 0 [pid 6258] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... close resumed>) = 0 [pid 6256] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = 0 [pid 5832] rmdir("./28/file0" [pid 6256] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6256] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 6256] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6254] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6256] <... openat resumed>) = 4 [pid 6250] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] close(3 [pid 6250] <... mprotect resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./28") = 0 [pid 6252] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] mkdir("./29", 0777 [pid 6256] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... mkdir resumed>) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6254] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6259 attached [pid 6254] <... futex resumed>) = 0 [pid 6253] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6259] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6254] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... clone3 resumed> => {parent_tid=[6259]}, 88) = 6259 [pid 5832] <... ioctl resumed>) = 0 [pid 6259] <... rseq resumed>) = 0 [ 78.385914][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 6256] ftruncate(4, 33554441 [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] close(3 [pid 6259] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6253] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6252] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] <... futex resumed>) = 0 [pid 6252] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] exit_group(0 [pid 5831] <... umount2 resumed>) = 0 [pid 6258] <... futex resumed>) = ? [pid 6252] <... futex resumed>) = ? [pid 6251] <... exit_group resumed>) = ? [pid 6258] +++ exited with 0 +++ [pid 6252] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6260 attached [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] set_robust_list(0x5555832d26a0, 24 [pid 6259] <... unlinkat resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6259] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6259] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] exit_group(0 [pid 6259] <... futex resumed>) = ? [pid 6253] <... futex resumed>) = ? [pid 6259] +++ exited with 0 +++ [pid 5833] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] +++ exited with 0 +++ [pid 6250] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6250] +++ exited with 0 +++ [pid 5833] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6260 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... set_robust_list resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6250, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6260] chdir("./29" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] unlink("./29/binderfs" [pid 5831] newfstatat(4, "", [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6260] <... chdir resumed>) = 0 [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5830] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./29/file0" [pid 5830] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6260] <... prctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6260] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6260] <... setpgid resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] getdents64(3, [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./29/binderfs", [pid 6260] write(3, "1000", 4 [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] rmdir("./29" [pid 6260] <... write resumed>) = 4 [pid 6254] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] close(3 [pid 6254] <... futex resumed>) = 0 [pid 5831] mkdir("./30", 0777 [pid 5830] unlink("./29/binderfs" [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6254] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6260] <... close resumed>) = 0 [pid 6254] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... unlink resumed>) = 0 [pid 6260] symlink("/dev/binderfs", "./binderfs" [pid 6254] <... mprotect resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] <... symlink resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 5831] close(3 [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 6260] write(1, "executing program\n", 18) = 18 [pid 6260] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6260] <... futex resumed>) = 0 [pid 6260] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [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) = 0x7f3f9c25c000 [pid 6260] mprotect(0x7f3f9c25d000, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6261 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6261] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6260] <... clone3 resumed> => {parent_tid=[6261]}, 88) = 6261 [pid 6256] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6261] <... rseq resumed>) = 0 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6263 attached [pid 6263] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6263] chdir("./30" [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] <... chdir resumed>) = 0 [pid 6260] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6263] <... prctl resumed>) = 0 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6263] setpgid(0, 0 [pid 6261] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] <... clone3 resumed> => {parent_tid=[6262]}, 88) = 6262 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6263 [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6262 attached [pid 6261] memfd_create("syzkaller", 0 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... setpgid resumed>) = 0 [pid 6261] <... memfd_create resumed>) = 3 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6256] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... openat resumed>) = 3 [pid 6261] <... mmap resumed>) = 0x7f3f93e00000 [pid 6256] <... futex resumed>) = 0 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] write(3, "1000", 4 [pid 6262] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6256] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... write resumed>) = 4 [pid 6263] close(3) = 0 [pid 6262] <... rseq resumed>) = 0 [pid 6261] <... write resumed>) = 524288 [pid 6254] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] symlink("/dev/binderfs", "./binderfs" [pid 6262] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6254] <... futex resumed>) = 0 executing program [pid 6263] <... symlink resumed>) = 0 [pid 6262] <... set_robust_list resumed>) = 0 [pid 6254] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] write(1, "executing program\n", 18 [pid 6261] munmap(0x7f3f93e00000, 138412032 [pid 6263] <... write resumed>) = 18 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 6261] <... munmap resumed>) = 0 [pid 6263] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6262] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6261] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6261] <... openat resumed>) = 4 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6262] <... unlinkat resumed>) = 0 [pid 6261] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = 0 [pid 6263] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6262] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [ 78.481122][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 78.509277][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6262] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6262] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... ioctl resumed>) = 0 [pid 6254] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6262] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./29/file0", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6262] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./29/file0", [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6264 attached [pid 5833] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6264] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6263] <... clone3 resumed> => {parent_tid=[6264]}, 88) = 6264 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6264] <... rseq resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6256] <... futex resumed>) = ? [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 6264] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6261] close(3 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6261] close(4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6261] <... close resumed>) = 0 [pid 6256] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 5833] close(4 [pid 6263] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6264] memfd_create("syzkaller", 0 [pid 5833] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6264] <... memfd_create resumed>) = 3 [pid 5833] rmdir("./29/file0" [pid 6264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6261] mkdir("./file0", 0777 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6264] <... mmap resumed>) = 0x7f3f93e00000 [pid 6261] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] <... restart_syscall resumed>) = 0 [pid 6264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./29") = 0 [pid 5830] getdents64(4, [pid 5829] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] mkdir("./30", 0777 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5830] close(4 [pid 5829] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6264] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./29/file0" [pid 5833] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(3, [pid 5829] newfstatat(3, "", [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 5829] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5830] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./29") = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] mkdir("./30", 0777 [pid 5829] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./30/binderfs" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... unlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 78.551658][ T6261] loop3: detected capacity change from 0 to 1024 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6264] munmap(0x7f3f93e00000, 138412032 [pid 5830] <... ioctl resumed>) = 0 [pid 6264] <... munmap resumed>) = 0 [pid 5830] close(3 [pid 6264] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 ./strace-static-x86_64: Process 6265 attached [pid 6264] <... openat resumed>) = 4 [pid 6261] <... mount resumed>) = 0 [pid 6264] ioctl(4, LOOP_SET_FD, 3 [pid 6265] set_robust_list(0x5555832d26a0, 24 [pid 6261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6265 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6261] <... openat resumed>) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] chdir("./30" [pid 6261] chdir("./file0") = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6266 [pid 6265] <... chdir resumed>) = 0 [pid 6261] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6265] <... prctl resumed>) = 0 [pid 6261] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] setpgid(0, 0) = 0 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6265] write(3, "1000", 4) = 4 [pid 6265] close(3) = 0 [pid 6265] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6266 attached [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6260] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program [pid 6265] write(1, "executing program\n", 18 [pid 6261] <... openat resumed>) = 4 [pid 6260] <... futex resumed>) = 0 [pid 6260] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] set_robust_list(0x5555832d26a0, 24 [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6265] <... write resumed>) = 18 [pid 6265] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] ftruncate(4, 33554441 [pid 6260] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6266] chdir("./30" [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6260] <... futex resumed>) = 0 [pid 6266] <... chdir resumed>) = 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] <... ioctl resumed>) = 0 [pid 6260] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... umount2 resumed>) = 0 [pid 6266] <... prctl resumed>) = 0 [pid 5829] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6266] setpgid(0, 0) = 0 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] newfstatat(AT_FDCWD, "./30/file0", [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6264] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 78.603464][ T35] hfsplus: b-tree write err: -5, ino 4 [ 78.617951][ T6264] loop2: detected capacity change from 0 to 1024 [pid 6266] <... openat resumed>) = 3 [pid 6265] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6264] <... close resumed>) = 0 [pid 5829] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6266] write(3, "1000", 4 [pid 6265] <... mprotect resumed>) = 0 [pid 6264] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6266] <... write resumed>) = 4 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6264] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6266] close(3 [pid 6264] mkdir("./file0", 0777 [pid 5829] <... openat resumed>) = 4 [pid 6266] <... close resumed>) = 0 [pid 6264] <... mkdir resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6266] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6264] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] getdents64(4, [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 ./strace-static-x86_64: Process 6267 attached [pid 6265] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 executing program [pid 6266] write(1, "executing program\n", 18 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] rmdir("./30/file0" [pid 6266] <... write resumed>) = 18 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... rmdir resumed>) = 0 [pid 6267] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6267] <... rseq resumed>) = 0 [pid 6266] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6265] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] getdents64(3, [pid 6267] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6266] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6267] <... set_robust_list resumed>) = 0 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6264] <... mount resumed>) = 0 [pid 6264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6267] memfd_create("syzkaller", 0 [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6264] <... openat resumed>) = 3 [pid 5829] close(3 [pid 6267] <... memfd_create resumed>) = 3 [pid 6266] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... close resumed>) = 0 [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6266] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] rmdir("./30" [pid 6266] <... mprotect resumed>) = 0 [pid 6264] chdir("./file0" [pid 6267] <... mmap resumed>) = 0x7f3f93e00000 [pid 6266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6264] <... chdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./31", 0777 [pid 6266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6264] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6261] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... mkdir resumed>) = 0 [pid 6264] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6268 attached [pid 6264] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6268] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6266] <... clone3 resumed> => {parent_tid=[6268]}, 88) = 6268 [pid 6260] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... rseq resumed>) = 0 [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 6260] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6268] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6268] <... set_robust_list resumed>) = 0 [pid 6266] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... ioctl resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6260] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] close(3 [pid 6266] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6264] <... futex resumed>) = 1 [pid 6260] <... mprotect resumed>) = 0 [pid 6264] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6261] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... futex resumed>) = 0 [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6263] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 1 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6264] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6263] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6269 attached [pid 6264] <... openat resumed>) = 4 [pid 6260] <... clone3 resumed> => {parent_tid=[6269]}, 88) = 6269 [pid 6264] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6264] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 6264] ftruncate(4, 33554441 [pid 6263] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] <... rseq resumed>) = 0 [pid 6268] memfd_create("syzkaller", 0 [pid 6260] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = 0 [pid 6260] <... futex resumed>) = 0 [pid 6269] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6260] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6270 attached [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] set_robust_list(0x5555832d26a0, 24 [pid 6269] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6268] <... mmap resumed>) = 0x7f3f93e00000 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6270] chdir("./31") = 0 [pid 6269] <... unlinkat resumed>) = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6270] setpgid(0, 0) = 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6267] <... write resumed>) = 524288 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6270 [pid 6269] <... futex resumed>) = 1 [pid 6269] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] <... futex resumed>) = 0 [pid 6270] <... openat resumed>) = 3 [pid 6270] write(3, "1000", 4) = 4 [pid 6270] close(3) = 0 [pid 6270] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6270] write(1, "executing program\n", 18) = 18 [pid 6270] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6267] munmap(0x7f3f93e00000, 138412032 [pid 6260] exit_group(0) = ? [pid 6269] <... futex resumed>) = ? [pid 6269] +++ exited with 0 +++ [pid 6267] <... munmap resumed>) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6261] <... futex resumed>) = ? [pid 6270] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6261] +++ exited with 0 +++ [pid 6260] +++ exited with 0 +++ [pid 6267] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6270] mprotect(0x7f3f9c25d000, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6271 attached [pid 6271] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6270] <... clone3 resumed> => {parent_tid=[6271]}, 88) = 6271 [pid 6271] <... rseq resumed>) = 0 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] <... write resumed>) = 524288 [pid 6267] <... openat resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6267] ioctl(4, LOOP_SET_FD, 3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] <... futex resumed>) = 0 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6271] memfd_create("syzkaller", 0) = 3 [pid 6271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6263] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6263] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6264] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6263] <... mprotect resumed>) = 0 [pid 6268] munmap(0x7f3f93e00000, 138412032 [pid 6267] <... ioctl resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... restart_syscall resumed>) = 0 [pid 6263] <... rt_sigprocmask resumed>[], 8) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6272 attached [pid 6268] <... munmap resumed>) = 0 [pid 6272] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6264] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 [pid 6264] <... futex resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6264] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] <... rseq resumed>) = 0 [pid 6263] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6263] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6263] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6268] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6267] close(3 [pid 5832] <... openat resumed>) = 3 [pid 6272] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6268] <... openat resumed>) = 4 [pid 5832] newfstatat(3, "", [pid 6268] ioctl(4, LOOP_SET_FD, 3 [pid 6267] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6272] <... unlinkat resumed>) = 0 [pid 6271] <... write resumed>) = 524288 [pid 6272] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 0 [pid 6263] exit_group(0 [pid 6264] <... futex resumed>) = ? [pid 6263] <... exit_group resumed>) = ? [pid 6264] +++ exited with 0 +++ [pid 6272] <... futex resumed>) = ? [pid 6272] +++ exited with 0 +++ [pid 6271] munmap(0x7f3f93e00000, 138412032 [pid 6268] <... ioctl resumed>) = 0 [pid 6267] close(4 [pid 6263] +++ exited with 0 +++ [pid 5832] getdents64(3, [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6263, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6268] close(3) = 0 [pid 6271] <... munmap resumed>) = 0 [pid 6268] close(4 [pid 6267] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6268] <... close resumed>) = 0 [pid 5831] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] mkdir("./file0", 0777 [pid 6267] mkdir("./file0", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... mkdir resumed>) = 0 [pid 6267] <... mkdir resumed>) = 0 [pid 5832] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 6271] <... openat resumed>) = 4 [pid 6268] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6267] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5831] newfstatat(3, "", [pid 6271] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6271] <... ioctl resumed>) = 0 [pid 5831] getdents64(3, [pid 5832] unlink("./29/binderfs") = 0 [pid 5832] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [ 78.774112][ T6267] loop4: detected capacity change from 0 to 1024 [ 78.794434][ T6268] loop1: detected capacity change from 0 to 1024 [ 78.813584][ T6271] loop0: detected capacity change from 0 to 1024 [pid 5831] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6271] close(3 [pid 6268] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6268] chdir("./file0" [pid 5831] unlink("./30/binderfs" [pid 6268] <... chdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6268] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] <... close resumed>) = 0 [pid 6271] close(4 [pid 6268] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6271] <... close resumed>) = 0 [pid 6271] mkdir("./file0", 0777) = 0 [pid 6271] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6268] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6268] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 0 [pid 6266] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... futex resumed>) = 0 [pid 6268] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6266] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... openat resumed>) = 4 [pid 6268] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... mount resumed>) = 0 [pid 6268] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6266] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... openat resumed>) = 3 [pid 6266] <... futex resumed>) = 0 [pid 6267] chdir("./file0" [pid 6266] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... chdir resumed>) = 0 [pid 6268] ftruncate(4, 33554441 [pid 6267] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6267] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6271] <... mount resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 4 [pid 6271] chdir("./file0" [pid 6267] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6265] <... futex resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6265] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./29/file0") = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./29" [pid 6271] <... chdir resumed>) = 0 [pid 6267] <... openat resumed>) = 4 [pid 6271] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6267] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] <... futex resumed>) = 1 [pid 6271] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] <... futex resumed>) = 1 [pid 6271] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [ 78.822423][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 78.832097][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6270] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 5832] mkdir("./30", 0777 [pid 6271] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6267] ftruncate(4, 33554441 [pid 6270] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... mkdir resumed>) = 0 [pid 6271] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6271] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6271] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... umount2 resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 1 [pid 6271] ftruncate(4, 33554441 [pid 6270] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6273 attached [pid 6273] set_robust_list(0x5555832d26a0, 24 [pid 6266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6273 [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6266] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] chdir("./30" [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6273] <... chdir resumed>) = 0 [pid 6266] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... openat resumed>) = 4 [pid 6266] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] newfstatat(4, "", [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6273] setpgid(0, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6266] <... mprotect resumed>) = 0 [pid 6273] <... setpgid resumed>) = 0 [pid 6266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] getdents64(4, [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6273] write(3, "1000", 4) = 4 [pid 6273] close(3) = 0 [pid 6273] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6273] write(1, "executing program\n", 18executing program ) = 18 [pid 6273] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6273] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6268] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6274]}, 88) = 6274 ./strace-static-x86_64: Process 6274 attached [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... rseq resumed>) = 0 [pid 6266] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6266] <... futex resumed>) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6266] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6274] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... unlinkat resumed>) = 0 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6274] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6274] <... futex resumed>) = 1 [pid 6273] <... mprotect resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6274] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6273] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 5831] close(4 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 6275 attached [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./30/file0" [pid 6275] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6273] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 0 [pid 6275] <... rseq resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6275] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6273] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6270] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6268] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(3, [pid 6270] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] exit_group(0 [pid 6265] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = ? [pid 6266] <... exit_group resumed>) = ? [pid 6265] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] close(3 [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6268] +++ exited with 0 +++ [pid 6265] <... mprotect resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] <... futex resumed>) = ? [pid 6270] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] rmdir("./30" [pid 6275] memfd_create("syzkaller", 0 [pid 6270] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6267] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6275] <... memfd_create resumed>) = 3 [pid 6274] +++ exited with 0 +++ [pid 6271] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6270] <... mprotect resumed>) = 0 [pid 6266] +++ exited with 0 +++ [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6276 attached [pid 6275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6266, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6265] <... clone3 resumed> => {parent_tid=[6276]}, 88) = 6276 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6276] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6265] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6277 attached [pid 6276] <... rseq resumed>) = 0 [pid 6275] <... mmap resumed>) = 0x7f3f93e00000 [pid 6267] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] mkdir("./31", 0777 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6277] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6276] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6271] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6276] <... set_robust_list resumed>) = 0 [pid 6265] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] <... clone3 resumed> => {parent_tid=[6277]}, 88) = 6277 [pid 6265] <... futex resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... openat resumed>) = 3 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] newfstatat(3, "", [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6276] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6270] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] getdents64(3, [pid 6277] <... rseq resumed>) = 0 [pid 6276] <... unlinkat resumed>) = 0 [pid 6275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6267] <... futex resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6277] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6271] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] <... set_robust_list resumed>) = 0 [pid 6276] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5831] close(3 [pid 5830] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./30/binderfs" [pid 6277] <... unlinkat resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6277] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6278 attached [pid 6277] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] <... futex resumed>) = 1 [pid 6270] exit_group(0 [pid 6265] <... futex resumed>) = 0 [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] <... futex resumed>) = ? [pid 6276] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... write resumed>) = 524288 [pid 6271] <... futex resumed>) = ? [pid 6270] <... exit_group resumed>) = ? [pid 6265] exit_group(0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6278 [pid 6277] +++ exited with 0 +++ [pid 6271] +++ exited with 0 +++ [pid 6265] <... exit_group resumed>) = ? [pid 6276] <... futex resumed>) = ? [pid 6276] +++ exited with 0 +++ [pid 6278] set_robust_list(0x5555832d26a0, 24 [pid 6275] munmap(0x7f3f93e00000, 138412032 [pid 6270] +++ exited with 0 +++ [pid 6267] <... futex resumed>) = ? [pid 6278] <... set_robust_list resumed>) = 0 [pid 6278] chdir("./31" [pid 6275] <... munmap resumed>) = 0 [pid 6267] +++ exited with 0 +++ [pid 6265] +++ exited with 0 +++ [pid 6278] <... chdir resumed>) = 0 [pid 6275] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6275] <... openat resumed>) = 4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6278] setpgid(0, 0 [pid 6275] ioctl(4, LOOP_SET_FD, 3 [pid 6278] <... setpgid resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5833] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5833] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5833] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./31/binderfs" [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] unlink("./30/binderfs" [pid 5829] <... unlink resumed>) = 0 [pid 6278] <... openat resumed>) = 3 [pid 5833] <... unlink resumed>) = 0 [pid 5829] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6275] <... ioctl resumed>) = 0 [pid 6278] write(3, "1000", 4 [pid 6275] close(3 [pid 6278] <... write resumed>) = 4 [pid 6275] <... close resumed>) = 0 [pid 6275] close(4 [pid 6278] close(3 [pid 6275] <... close resumed>) = 0 [pid 6278] <... close resumed>) = 0 [pid 6275] mkdir("./file0", 0777 [pid 6278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6275] <... mkdir resumed>) = 0 executing program [pid 6278] write(1, "executing program\n", 18 [pid 6275] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] <... umount2 resumed>) = 0 [pid 6278] <... write resumed>) = 18 [pid 6278] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6278] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 79.003328][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 79.014750][ T6275] loop3: detected capacity change from 0 to 1024 [ 79.028434][ T11] hfsplus: b-tree write err: -5, ino 4 [ 79.046244][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6275] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6275] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] <... openat resumed>) = 3 [pid 6278] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6275] chdir("./file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6275] <... chdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./30/file0", [pid 6278] <... mprotect resumed>) = 0 [pid 6275] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 6275] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5829] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6275] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6275] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./31/file0", ./strace-static-x86_64: Process 6279 attached [pid 6275] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6273] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6279] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6278] <... clone3 resumed> => {parent_tid=[6279]}, 88) = 6279 [pid 6273] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5829] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6273] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] close(4 [pid 5829] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6279] <... rseq resumed>) = 0 [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 6279] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5830] rmdir("./30/file0" [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 5830] <... rmdir resumed>) = 0 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] <... futex resumed>) = 0 [pid 5833] close(4 [pid 5829] getdents64(4, [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6275] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6279] memfd_create("syzkaller", 0 [pid 6275] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] rmdir("./30/file0" [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6279] <... memfd_create resumed>) = 3 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] getdents64(4, [pid 6279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] ftruncate(4, 33554441 [pid 6273] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6279] <... mmap resumed>) = 0x7f3f93e00000 [pid 5830] rmdir("./30" [pid 5829] close(4) = 0 [pid 5829] rmdir("./31/file0" [pid 6279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] mkdir("./31", 0777 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./30" [pid 5830] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] rmdir("./31" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] mkdir("./31", 0777) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] mkdir("./32", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5833] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] <... close resumed>) = 0 [pid 6279] <... write resumed>) = 524288 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(3./strace-static-x86_64: Process 6280 attached ./strace-static-x86_64: Process 6281 attached [pid 6279] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6280] set_robust_list(0x5555832d26a0, 24 [pid 6281] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6279] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 6281] chdir("./31" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... chdir resumed>) = 0 [pid 6279] <... openat resumed>) = 4 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6281 [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6280 ./strace-static-x86_64: Process 6282 attached [pid 6281] <... prctl resumed>) = 0 [pid 6280] chdir("./31" [pid 6275] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6281] setpgid(0, 0 [pid 6280] <... chdir resumed>) = 0 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... prctl resumed>) = 0 [pid 6273] <... futex resumed>) = 0 [pid 6280] setpgid(0, 0 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6281] <... setpgid resumed>) = 0 [pid 6280] <... setpgid resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6282 [pid 6282] set_robust_list(0x5555832d26a0, 24 [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6273] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6280] <... openat resumed>) = 3 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] write(3, "1000", 4 [pid 6282] chdir("./32" [pid 6273] <... mprotect resumed>) = 0 [pid 6282] <... chdir resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6282] <... prctl resumed>) = 0 [pid 6273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6283 attached [pid 6282] setpgid(0, 0 [pid 6280] <... write resumed>) = 4 [pid 6283] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6281] <... openat resumed>) = 3 [pid 6280] close(3 [pid 6275] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... clone3 resumed> => {parent_tid=[6283]}, 88) = 6283 [pid 6283] <... rseq resumed>) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6281] write(3, "1000", 4 [pid 6280] <... close resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6283] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6281] <... write resumed>) = 4 [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 6275] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] <... set_robust_list resumed>) = 0 [pid 6281] close(3 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] <... close resumed>) = 0 [pid 6280] <... symlink resumed>) = 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] symlink("/dev/binderfs", "./binderfs" [pid 6280] write(1, "executing program\n", 18 [pid 6273] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6283] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6282] <... openat resumed>) = 3 [pid 6280] <... write resumed>) = 18 [pid 6273] <... futex resumed>) = 0 [pid 6282] write(3, "1000", 4 [pid 6273] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... write resumed>) = 4 [pid 6279] <... ioctl resumed>) = 0 [pid 6282] close(3 [pid 6279] close(3 [pid 6283] <... unlinkat resumed>) = 0 [pid 6282] <... close resumed>) = 0 [pid 6280] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = 0 [pid 6282] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 6279] close(4 [pid 6282] <... symlink resumed>) = 0 [pid 6281] <... symlink resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6279] <... close resumed>) = 0 [pid 6282] write(1, "executing program\n", 18 [pid 6281] write(1, "executing program\n", 18 [pid 6280] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6279] mkdir("./file0", 0777 [pid 6282] <... write resumed>) = 18 [pid 6281] <... write resumed>) = 18 [pid 6280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6282] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mkdir resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6283] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6281] <... futex resumed>) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6283] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6281] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6273] exit_group(0 [pid 6283] <... futex resumed>) = ? [pid 6282] <... mprotect resumed>) = 0 [pid 6280] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6275] <... futex resumed>) = ? [pid 6273] <... exit_group resumed>) = ? [pid 6283] +++ exited with 0 +++ [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6280] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6275] +++ exited with 0 +++ [pid 6273] +++ exited with 0 +++ [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6280] <... mprotect resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6284 attached [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6281] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5832] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6281] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6280] <... clone3 resumed> => {parent_tid=[6284]}, 88) = 6284 [pid 6284] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6281] <... mprotect resumed>) = 0 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... rseq resumed>) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6280] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6285 attached [pid 6284] <... set_robust_list resumed>) = 0 [pid 6282] <... clone3 resumed> => {parent_tid=[6285]}, 88) = 6285 [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6280] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... openat resumed>) = 3 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] newfstatat(3, "", [pid 6284] memfd_create("syzkaller", 0 [pid 6282] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6284] <... memfd_create resumed>) = 3 [pid 6282] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 6285] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6282] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6279] <... mount resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6285] <... rseq resumed>) = 0 [pid 6279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6284] <... mmap resumed>) = 0x7f3f93e00000 [pid 5832] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6279] <... openat resumed>) = 3 [ 79.148493][ T6279] loop2: detected capacity change from 0 to 1024 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6286 attached [pid 6285] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6279] chdir("./file0" [pid 5832] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6286] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6279] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] <... rseq resumed>) = 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] unlink("./30/binderfs" [pid 6286] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... unlink resumed>) = 0 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] memfd_create("syzkaller", 0 [pid 6279] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] <... memfd_create resumed>) = 3 [pid 6281] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6279] <... futex resumed>) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6286] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... mmap resumed>) = 0x7f3f93e00000 [pid 6284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6278] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] <... openat resumed>) = 4 [pid 6278] <... futex resumed>) = 0 [pid 6281] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = 1 [pid 6278] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6278] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6278] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] memfd_create("syzkaller", 0 [pid 6281] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] ftruncate(4, 33554441 [pid 6286] <... memfd_create resumed>) = 3 [pid 6284] <... write resumed>) = 524288 [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6284] munmap(0x7f3f93e00000, 138412032 [pid 6286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6285] <... write resumed>) = 524288 [pid 6284] <... munmap resumed>) = 0 [pid 6284] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6285] munmap(0x7f3f93e00000, 138412032 [pid 6284] <... openat resumed>) = 4 [pid 6285] <... munmap resumed>) = 0 [pid 6284] ioctl(4, LOOP_SET_FD, 3 [pid 6285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6285] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6286] <... write resumed>) = 524288 [pid 6284] <... ioctl resumed>) = 0 [pid 6278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6278] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6286] munmap(0x7f3f93e00000, 138412032 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6286] <... munmap resumed>) = 0 [pid 6285] close(3 [pid 6284] close(3 [pid 6278] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] <... umount2 resumed>) = 0 [pid 6278] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6285] <... close resumed>) = 0 [pid 6278] <... mprotect resumed>) = 0 [ 79.219667][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 79.256656][ T6285] loop0: detected capacity change from 0 to 1024 [ 79.257592][ T6284] loop4: detected capacity change from 0 to 1024 [pid 6286] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6285] close(4 [pid 6284] <... close resumed>) = 0 [pid 6278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6286] <... openat resumed>) = 4 [pid 6285] <... close resumed>) = 0 [pid 6284] close(4 [pid 6279] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] ioctl(4, LOOP_SET_FD, 3 [pid 6285] mkdir("./file0", 0777 [pid 6284] <... close resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6287 attached [pid 6285] <... mkdir resumed>) = 0 [pid 6287] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6278] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 6287] <... rseq resumed>) = 0 [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6287] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6285] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6278] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] <... futex resumed>) = 0 [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6287] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6286] <... ioctl resumed>) = 0 [pid 6285] <... mount resumed>) = 0 [pid 6284] mkdir("./file0", 0777 [pid 6279] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... futex resumed>) = 0 [pid 6278] exit_group(0 [pid 5832] newfstatat(AT_FDCWD, "./30/file0", [pid 6287] <... futex resumed>) = ? [pid 6284] <... mkdir resumed>) = 0 [pid 6278] <... exit_group resumed>) = ? [pid 6287] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] close(3 [pid 6285] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6284] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6279] +++ exited with 0 +++ [pid 6278] +++ exited with 0 +++ [pid 5832] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] <... close resumed>) = 0 [pid 6285] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6278, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6286] close(4 [pid 6285] chdir("./file0" [pid 5832] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6286] <... close resumed>) = 0 [pid 6285] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6286] mkdir("./file0", 0777 [pid 6285] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] newfstatat(4, "", [pid 6286] <... mkdir resumed>) = 0 [pid 6285] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6285] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(4 [pid 6286] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6285] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./30/file0" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6285] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6282] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... openat resumed>) = 3 [pid 6285] <... openat resumed>) = 4 [pid 6282] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(3, "", [pid 6284] <... mount resumed>) = 0 [pid 5832] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6285] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] rmdir("./30" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6285] <... futex resumed>) = 1 [pid 6284] <... openat resumed>) = 3 [pid 6282] <... futex resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6285] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] chdir("./file0" [pid 6282] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] mkdir("./31", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... chdir resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6285] ftruncate(4, 33554441 [pid 6284] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6282] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6284] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = 3 [pid 5831] unlink("./31/binderfs" [pid 6284] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... unlink resumed>) = 0 [pid 6284] <... futex resumed>) = 1 [pid 6280] <... futex resumed>) = 0 [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] <... futex resumed>) = 0 [pid 6284] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6280] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6286] <... mount resumed>) = 0 [pid 6286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6284] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [ 79.316523][ T6286] loop1: detected capacity change from 0 to 1024 [pid 6286] chdir("./file0" [pid 6284] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6280] <... futex resumed>) = 0 [pid 6280] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6284] ftruncate(4, 33554441 [pid 6280] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... chdir resumed>) = 0 [pid 6286] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6286] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6286] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6286] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6286] ftruncate(4, 33554441 [pid 6285] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6281] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... futex resumed>) = 0 [pid 6281] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6285] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6288 attached [pid 6282] <... futex resumed>) = 0 [pid 6282] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6288 [pid 6282] <... futex resumed>) = 1 [pid 6282] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... futex resumed>) = 0 [pid 6285] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6288] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6285] <... unlinkat resumed>) = 0 [pid 6285] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] chdir("./31" [pid 6285] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 6282] exit_group(0 [pid 6288] <... chdir resumed>) = 0 [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] <... exit_group resumed>) = ? [pid 6288] <... prctl resumed>) = 0 [pid 6288] setpgid(0, 0) = 0 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 6288] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6288] write(3, "1000", 4) = 4 [pid 6288] close(3) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6288] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6288] write(1, "executing program\n", 18 [pid 6280] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... write resumed>) = 18 [pid 6288] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6288] <... futex resumed>) = 0 [pid 6288] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6280] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6280] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [ 79.376121][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6284] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6280] <... mprotect resumed>) = 0 [pid 6288] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6284] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6288] <... mprotect resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] getdents64(3, [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6289 attached [pid 6284] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6289] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5829] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6289] <... rseq resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] <... clone3 resumed> => {parent_tid=[6289]}, 88) = 6289 [pid 5829] newfstatat(AT_FDCWD, "./32/binderfs", [pid 6281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6290 attached [pid 6289] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [pid 6290] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] <... clone3 resumed> => {parent_tid=[6290]}, 88) = 6290 [pid 6281] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] unlink("./32/binderfs" [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] <... futex resumed>) = 0 [pid 6280] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... unlink resumed>) = 0 [pid 6290] <... rseq resumed>) = 0 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6280] <... futex resumed>) = 0 [pid 5829] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6289] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6288] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6280] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] <... unlinkat resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6281] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = 0 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 6288] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] <... mprotect resumed>) = 0 [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] newfstatat(AT_FDCWD, "./31/file0", [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6291 attached [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6281] <... clone3 resumed> => {parent_tid=[6291]}, 88) = 6291 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6290] memfd_create("syzkaller", 0 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6289] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6291] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6290] <... memfd_create resumed>) = 3 [pid 6289] <... futex resumed>) = 1 [pid 6281] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6291] <... rseq resumed>) = 0 [pid 6290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6289] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = 0 [pid 6280] exit_group(0 [pid 6286] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6291] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6290] <... mmap resumed>) = 0x7f3f93e00000 [pid 6289] <... futex resumed>) = ? [pid 6284] <... futex resumed>) = ? [pid 6281] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... exit_group resumed>) = ? [pid 5831] getdents64(4, [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6289] +++ exited with 0 +++ [pid 6286] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] +++ exited with 0 +++ [pid 5831] getdents64(4, [pid 6286] <... futex resumed>) = 0 [pid 5829] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6286] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./32/file0", [pid 5831] rmdir("./31/file0" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6280, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] getdents64(3, [pid 5833] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6291] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = 4 [pid 6290] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 5831] rmdir("./31" [pid 5833] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6291] <... futex resumed>) = 1 [ 79.451718][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6290] munmap(0x7f3f93e00000, 138412032 [pid 6291] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... munmap resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 6281] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] mkdir("./32", 0777 [pid 6291] <... futex resumed>) = ? [pid 6290] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6286] <... futex resumed>) = ? [pid 6281] <... exit_group resumed>) = ? [pid 5833] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6291] +++ exited with 0 +++ [pid 6290] <... openat resumed>) = 4 [pid 6286] +++ exited with 0 +++ [pid 6290] ioctl(4, LOOP_SET_FD, 3 [pid 6281] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] getdents64(4, [pid 5833] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5829] close(4 [pid 5833] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] rmdir("./32/file0" [pid 6290] <... ioctl resumed>) = 0 [pid 5833] unlink("./31/binderfs" [pid 5831] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6290] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6290] <... close resumed>) = 0 [pid 6290] close(4) = 0 [pid 6290] mkdir("./file0", 0777) = 0 [pid 6290] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6292 attached [pid 5829] close(3 [pid 6292] set_robust_list(0x5555832d26a0, 24 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6292 [pid 5829] <... close resumed>) = 0 [pid 6292] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./32" [pid 6292] chdir("./32" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] mkdir("./33", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6292] <... chdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6290] <... mount resumed>) = 0 [pid 6290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] <... ioctl resumed>) = 0 [pid 6292] setpgid(0, 0 [pid 6290] <... openat resumed>) = 3 [pid 5830] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 6290] chdir("./file0") = 0 [pid 6290] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6290] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6288] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6288] <... futex resumed>) = 0 [pid 6290] <... openat resumed>) = 4 [pid 6288] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 6292] <... setpgid resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6290] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = 1 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6292] <... openat resumed>) = 3 [pid 6290] ftruncate(4, 33554441 [pid 6288] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] write(3, "1000", 4 [pid 5830] unlink("./31/binderfs" [pid 6292] <... write resumed>) = 4 [pid 5830] <... unlink resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] close(3 [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6292] <... close resumed>) = 0 ./strace-static-x86_64: Process 6293 attached [pid 6292] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = 0 [ 79.498716][ T6290] loop3: detected capacity change from 0 to 1024 [ 79.511339][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6292] <... symlink resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6293 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6293] set_robust_list(0x5555832d26a0, 24 [pid 5833] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] write(1, "executing program\n", 18 [pid 6293] chdir("./33" [pid 6292] <... write resumed>) = 18 [pid 5833] <... openat resumed>) = 4 [pid 6293] <... chdir resumed>) = 0 [pid 6292] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6292] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] newfstatat(4, "", [pid 6293] setpgid(0, 0 [pid 6292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6293] <... setpgid resumed>) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./31/file0" [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6293] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6292] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6293] write(3, "1000", 4 [pid 6292] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6293] <... write resumed>) = 4 [pid 6292] <... mprotect resumed>) = 0 [pid 5833] close(3 [pid 6293] close(3 [pid 6292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6290] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... close resumed>) = 0 [pid 6293] <... close resumed>) = 0 [pid 6292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] rmdir("./31") = 0 [pid 6292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6293] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6294 attached ) = 0 [pid 6288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] mkdir("./32", 0777 [pid 6288] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6294] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6293] write(1, "executing program\n", 18executing program [pid 6292] <... clone3 resumed> => {parent_tid=[6294]}, 88) = 6294 [pid 6290] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... openat resumed>) = 3 [pid 6294] <... rseq resumed>) = 0 [pid 6293] <... write resumed>) = 18 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6290] <... futex resumed>) = 0 [pid 6294] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6293] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6290] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... ioctl resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6292] <... futex resumed>) = 0 [pid 6288] <... mprotect resumed>) = 0 [pid 5833] close(3 [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6292] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6295 attached => {parent_tid=[6295]}, 88) = 6295 [pid 6294] memfd_create("syzkaller", 0 [pid 6288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6295] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6288] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... rseq resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6295] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6294] <... memfd_create resumed>) = 3 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 79.565135][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6288] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6295] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6294] <... mmap resumed>) = 0x7f3f93e00000 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6295] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6288] exit_group(0./strace-static-x86_64: Process 6296 attached ) = ? [pid 6290] <... futex resumed>) = ? [pid 6295] +++ exited with 0 +++ [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6296 [pid 6296] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6296] chdir("./32" [pid 6294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6293] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6290] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6296] <... chdir resumed>) = 0 [pid 6293] <... mprotect resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6288, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] newfstatat(AT_FDCWD, "./31/file0", [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6296] <... prctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 6296] setpgid(0, 0) = 0 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6296] write(3, "1000", 4) = 4 [pid 6296] close(3) = 0 [pid 6296] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6296] write(1, "executing program\n", 18) = 18 [pid 6296] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6296] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6294] <... write resumed>) = 524288 [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6296] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6297 attached [pid 6297] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6296] <... clone3 resumed> => {parent_tid=[6297]}, 88) = 6297 [pid 6297] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6296] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6297] memfd_create("syzkaller", 0 [pid 6296] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6297] <... memfd_create resumed>) = 3 [pid 6294] munmap(0x7f3f93e00000, 138412032 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6298 attached [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] <... munmap resumed>) = 0 [pid 5832] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 6298] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6297] <... mmap resumed>) = 0x7f3f93e00000 [pid 6294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6293] <... clone3 resumed> => {parent_tid=[6298]}, 88) = 6298 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 6298] <... rseq resumed>) = 0 [pid 6294] <... openat resumed>) = 4 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6298] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6294] ioctl(4, LOOP_SET_FD, 3 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 6293] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6293] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6293] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] close(4) = 0 [pid 5832] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./31/file0" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./31/binderfs" [pid 5830] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6294] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6298] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6294] close(3 [pid 5830] <... close resumed>) = 0 [pid 6298] memfd_create("syzkaller", 0 [pid 6297] <... write resumed>) = 524288 [pid 6298] <... memfd_create resumed>) = 3 [pid 6297] munmap(0x7f3f93e00000, 138412032 [pid 6294] <... close resumed>) = 0 [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6297] <... munmap resumed>) = 0 [pid 6294] close(4 [pid 6298] <... mmap resumed>) = 0x7f3f93e00000 [pid 6297] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6294] <... close resumed>) = 0 [pid 6298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6297] <... openat resumed>) = 4 [pid 6294] mkdir("./file0", 0777 [pid 5830] rmdir("./31" [pid 6298] <... write resumed>) = 524288 [pid 6297] ioctl(4, LOOP_SET_FD, 3 [pid 6294] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./32", 0777 [pid 6294] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] <... mkdir resumed>) = 0 [pid 6298] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6298] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5832] <... umount2 resumed>) = 0 [pid 6298] <... ioctl resumed>) = 0 [pid 6297] <... ioctl resumed>) = 0 [pid 6297] close(3 [pid 6294] <... mount resumed>) = 0 [pid 6297] <... close resumed>) = 0 [pid 6294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6297] close(4 [pid 6294] <... openat resumed>) = 3 [pid 6297] <... close resumed>) = 0 [pid 6294] chdir("./file0" [pid 6297] mkdir("./file0", 0777 [pid 6294] <... chdir resumed>) = 0 [pid 6297] <... mkdir resumed>) = 0 [pid 6294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6297] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6294] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6298] close(3) = 0 [pid 6294] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] close(4 [pid 6294] <... futex resumed>) = 1 [pid 6298] <... close resumed>) = 0 [pid 6294] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] mkdir("./file0", 0777) = 0 [pid 6298] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./31/file0" [pid 6292] <... futex resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6298] <... mount resumed>) = 0 [pid 6297] <... mount resumed>) = 0 [pid 6292] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = 0 [pid 6297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6294] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 1 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6297] <... openat resumed>) = 3 [pid 6294] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6292] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6297] chdir("./file0" [pid 6294] <... openat resumed>) = 4 [ 79.673327][ T6294] loop2: detected capacity change from 0 to 1024 [ 79.681570][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 79.699453][ T6297] loop4: detected capacity change from 0 to 1024 [ 79.711502][ T6298] loop0: detected capacity change from 0 to 1024 [pid 5832] getdents64(3, ./strace-static-x86_64: Process 6299 attached [pid 6298] <... openat resumed>) = 3 [pid 6297] <... chdir resumed>) = 0 [pid 6294] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6299] set_robust_list(0x5555832d26a0, 24 [pid 6298] chdir("./file0" [pid 6297] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6294] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6299] <... set_robust_list resumed>) = 0 [pid 6298] <... chdir resumed>) = 0 [pid 6297] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6294] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(3 [pid 6299] chdir("./32" [pid 6298] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6297] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6299] <... chdir resumed>) = 0 [pid 6298] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6294] ftruncate(4, 33554441 [pid 6292] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] rmdir("./31" [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6299 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = 1 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6298] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6297] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6296] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... prctl resumed>) = 0 [pid 6297] <... openat resumed>) = 4 [pid 6293] <... futex resumed>) = 0 [pid 6293] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] setpgid(0, 0 [pid 6298] <... openat resumed>) = 4 [pid 6299] <... setpgid resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6298] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] mkdir("./32", 0777 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] <... futex resumed>) = 1 [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6299] <... openat resumed>) = 3 [pid 6296] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] ftruncate(4, 33554441 [pid 6296] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6299] write(3, "1000", 4 [pid 6296] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6299] <... write resumed>) = 4 [pid 6298] ftruncate(4, 33554441 [pid 6293] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = 3 [pid 6299] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6299] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] close(3) = 0 [pid 6299] write(1, "executing program\n", 18executing program ) = 18 [pid 6299] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6299] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6300 attached [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6300 [pid 6299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6292] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6292] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6300] set_robust_list(0x5555832d26a0, 24 [pid 6292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] chdir("./32" [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6301]}, 88) = 6301 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6300] <... chdir resumed>) = 0 [pid 6292] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] <... futex resumed>) = 0 [pid 6300] <... prctl resumed>) = 0 [pid 6292] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6301 attached [pid 6300] setpgid(0, 0) = 0 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6300] <... openat resumed>) = 3 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6294] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6301] <... rseq resumed>) = 0 [pid 6300] write(3, "1000", 4 [pid 6296] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6300] <... write resumed>) = 4 [pid 6296] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] close(3 [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] <... close resumed>) = 0 [pid 6296] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6299] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6299] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6301] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6299] <... mprotect resumed>) = 0 [pid 6297] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6296] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6293] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6301] <... unlinkat resumed>) = 0 [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6293] <... mprotect resumed>) = 0 [pid 6296] <... mprotect resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6300] <... symlink resumed>) = 0 [pid 6296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6296] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}executing program [pid 6300] write(1, "executing program\n", 18 [pid 6293] <... clone3 resumed> => {parent_tid=[6302]}, 88) = 6302 [pid 6300] <... write resumed>) = 18 [pid 6296] <... clone3 resumed> => {parent_tid=[6303]}, 88) = 6303 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6303 attached [pid 6301] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6302 attached [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... futex resumed>) = 0 [pid 6302] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6301] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6296] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 0 [pid 6302] <... rseq resumed>) = 0 [pid 6300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6293] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6296] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... set_robust_list resumed>) = 0 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6300] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6302] unlinkat(AT_FDCWD, "./file0/file1", 0./strace-static-x86_64: Process 6304 attached [pid 6303] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6302] <... unlinkat resumed>) = 0 [pid 6300] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6304] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6303] <... rseq resumed>) = 0 [pid 6300] <... mprotect resumed>) = 0 [pid 6299] <... clone3 resumed> => {parent_tid=[6304]}, 88) = 6304 [pid 6304] <... rseq resumed>) = 0 [pid 6303] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 6294] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6297] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6292] exit_group(0 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... futex resumed>) = ? [pid 6300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6299] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6305 attached [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] +++ exited with 0 +++ [pid 6299] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 0 [pid 6305] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6300] <... clone3 resumed> => {parent_tid=[6305]}, 88) = 6305 [pid 6299] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] +++ exited with 0 +++ [pid 6292] +++ exited with 0 +++ [pid 6305] <... rseq resumed>) = 0 [pid 6304] memfd_create("syzkaller", 0 [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 6298] <... futex resumed>) = 0 [pid 6293] exit_group(0 [pid 6305] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6302] <... futex resumed>) = ? [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... exit_group resumed>) = ? [pid 6303] <... unlinkat resumed>) = 0 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] <... memfd_create resumed>) = 3 [pid 6302] +++ exited with 0 +++ [pid 6300] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] <... mmap resumed>) = 0x7f3f93e00000 [pid 6303] <... futex resumed>) = 1 [pid 6300] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6296] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6305] memfd_create("syzkaller", 0 [pid 6303] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] exit_group(0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6305] <... memfd_create resumed>) = 3 [pid 6297] <... futex resumed>) = ? [pid 6296] <... exit_group resumed>) = ? [pid 6305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] <... futex resumed>) = ? [pid 6297] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6305] <... mmap resumed>) = 0x7f3f93e00000 [pid 6305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6303] +++ exited with 0 +++ [pid 6296] +++ exited with 0 +++ [pid 5829] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6296, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] newfstatat(3, "", [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5831] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5831] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] unlink("./33/binderfs" [pid 5831] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5833] unlink("./32/binderfs" [pid 5831] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5829] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6305] <... write resumed>) = 524288 [pid 5831] unlink("./32/binderfs" [pid 6305] munmap(0x7f3f93e00000, 138412032 [pid 6304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] <... munmap resumed>) = 0 [pid 6304] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = 0 [pid 6305] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6305] ioctl(4, LOOP_SET_FD, 3 [pid 5829] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6304] munmap(0x7f3f93e00000, 138412032 [pid 5829] <... openat resumed>) = 4 [pid 6304] <... munmap resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] getdents64(4, [pid 6304] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6304] ioctl(4, LOOP_SET_FD, 3 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6305] <... ioctl resumed>) = 0 [pid 6304] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6305] close(3 [pid 6304] close(3 [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] <... close resumed>) = 0 [pid 6304] <... close resumed>) = 0 [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./33/file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] close(4 [pid 6304] close(4 [pid 5833] newfstatat(AT_FDCWD, "./32/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 6304] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./32/file0", [pid 6304] mkdir("./file0", 0777 [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6305] <... close resumed>) = 0 [pid 6304] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 6305] mkdir("./file0", 0777 [pid 5833] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6304] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... openat resumed>) = 4 [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 6305] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 5829] rmdir("./33" [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(4, "", [pid 5829] <... rmdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] mkdir("./34", 0777 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(4, [pid 5829] <... mkdir resumed>) = 0 [pid 5833] close(4 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] rmdir("./32/file0" [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] close(4 [pid 5829] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./32/file0" [pid 5833] getdents64(3, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5829] close(3 [pid 5833] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [ 79.888201][ T11] hfsplus: b-tree write err: -5, ino 4 [ 79.894452][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 79.903100][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 79.917677][ T6305] loop3: detected capacity change from 0 to 1024 [ 79.930073][ T6304] loop1: detected capacity change from 0 to 1024 [pid 5833] rmdir("./32" [pid 6305] <... mount resumed>) = 0 [pid 6304] <... mount resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] getdents64(3, [pid 6305] chdir("./file0" [pid 6304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6304] <... openat resumed>) = 3 [pid 5831] close(3 [pid 6304] chdir("./file0" [pid 5833] mkdir("./33", 0777 [pid 5831] <... close resumed>) = 0 [pid 6304] <... chdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] rmdir("./32" [pid 6304] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 6304] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] mkdir("./33", 0777 [pid 6304] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6304] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6305] <... chdir resumed>) = 0 [pid 6299] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6305] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6299] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6299] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 6306 attached [pid 6305] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6304] <... openat resumed>) = 4 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6305] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6306 [pid 6306] set_robust_list(0x5555832d26a0, 24 [pid 6305] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(3 [pid 6306] chdir("./34" [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6306] <... chdir resumed>) = 0 [pid 6305] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6304] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6299] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6305] <... openat resumed>) = 4 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6307 attached [pid 6306] <... prctl resumed>) = 0 [pid 6304] ftruncate(4, 33554441 [pid 6306] setpgid(0, 0) = 0 [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6307 [pid 6306] <... openat resumed>) = 3 [pid 6307] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6307] chdir("./33" [pid 6306] write(3, "1000", 4 [pid 6307] <... chdir resumed>) = 0 [pid 6306] <... write resumed>) = 4 [pid 6306] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] <... close resumed>) = 0 [pid 6305] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] set_robust_list(0x5555832d26a0, 24 [pid 6307] <... prctl resumed>) = 0 [pid 6305] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6300] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6300] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] setpgid(0, 0 [pid 6306] symlink("/dev/binderfs", "./binderfs" [pid 6307] <... setpgid resumed>) = 0 [pid 6306] <... symlink resumed>) = 0 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6306] write(1, "executing program\n", 18 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6308 [pid 6307] <... openat resumed>) = 3 [pid 6306] <... write resumed>) = 18 [pid 6305] ftruncate(4, 33554441 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6306] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6307] write(3, "1000", 4 [pid 6306] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6308] chdir("./33" [pid 6307] <... write resumed>) = 4 [pid 6307] close(3 [pid 6306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6308] <... chdir resumed>) = 0 [pid 6307] <... close resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6307] symlink("/dev/binderfs", "./binderfs" [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6306] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6307] <... symlink resumed>) = 0 [pid 6306] <... mprotect resumed>) = 0 [pid 6308] <... prctl resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6307] write(1, "executing program\n", 18) = 18 [pid 6306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6307] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6309 attached [pid 6307] <... futex resumed>) = 0 [pid 6307] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6306] <... clone3 resumed> => {parent_tid=[6309]}, 88) = 6309 [pid 6308] setpgid(0, 0 [pid 6307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6308] <... setpgid resumed>) = 0 [pid 6307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] <... futex resumed>) = 0 [pid 6307] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6306] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] <... rseq resumed>) = 0 [pid 6309] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6308] <... openat resumed>) = 3 [pid 6307] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6309] <... rt_sigprocmask resumed>NULL, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6309] memfd_create("syzkaller", 0 [pid 6307] <... clone3 resumed> => {parent_tid=[6310]}, 88) = 6310 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6307] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... memfd_create resumed>) = 3 [pid 6307] <... futex resumed>) = 0 [pid 6309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] <... mmap resumed>) = 0x7f3f93e00000 ./strace-static-x86_64: Process 6310 attached [pid 6308] write(3, "1000", 4 [pid 6299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6310] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6308] <... write resumed>) = 4 [pid 6310] <... rseq resumed>) = 0 [pid 6308] close(3 [pid 6310] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6308] <... close resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6299] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6310] memfd_create("syzkaller", 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] <... memfd_create resumed>) = 3 [pid 6299] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6308] symlink("/dev/binderfs", "./binderfs" [pid 6299] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6310] <... mmap resumed>) = 0x7f3f93e00000 [pid 6308] <... symlink resumed>) = 0 [pid 6299] <... mprotect resumed>) = 0 [pid 6309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}executing program ./strace-static-x86_64: Process 6311 attached [pid 6310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6308] write(1, "executing program\n", 18 [pid 6311] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6299] <... clone3 resumed> => {parent_tid=[6311]}, 88) = 6311 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 6308] <... write resumed>) = 18 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6299] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... rseq resumed>) = 0 [pid 6311] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6308] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6309] <... write resumed>) = 524288 [pid 6308] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6300] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6300] <... futex resumed>) = 0 [pid 6311] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6311] <... unlinkat resumed>) = 0 [pid 6308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6300] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6311] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6300] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6311] <... futex resumed>) = 1 [pid 6309] munmap(0x7f3f93e00000, 138412032 [pid 6304] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6300] <... mprotect resumed>) = 0 [pid 6299] <... futex resumed>) = 0 [pid 6311] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6309] <... munmap resumed>) = 0 [pid 6300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6312 attached [pid 6312] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6300] <... clone3 resumed> => {parent_tid=[6312]}, 88) = 6312 [pid 6312] <... rseq resumed>) = 0 [pid 6309] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6304] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] exit_group(0 [pid 6312] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6311] <... futex resumed>) = ? [pid 6309] <... openat resumed>) = 4 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6304] <... futex resumed>) = ? [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] <... exit_group resumed>) = ? [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] +++ exited with 0 +++ [pid 6309] ioctl(4, LOOP_SET_FD, 3 [pid 6304] +++ exited with 0 +++ [pid 6308] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6300] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6310] <... write resumed>) = 524288 [pid 6308] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6312] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6300] <... futex resumed>) = 0 [pid 6312] <... unlinkat resumed>) = 0 [pid 6300] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6312] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6312] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6310] munmap(0x7f3f93e00000, 138412032 [pid 6305] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6313 attached [pid 6310] <... munmap resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6300] exit_group(0 [pid 5830] newfstatat(3, "", [pid 6312] <... futex resumed>) = ? [pid 6310] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6308] <... clone3 resumed> => {parent_tid=[6313]}, 88) = 6313 [pid 6300] <... exit_group resumed>) = ? [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6313] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6312] +++ exited with 0 +++ [pid 6310] <... openat resumed>) = 4 [pid 6309] <... ioctl resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] +++ exited with 0 +++ [pid 6300] +++ exited with 0 +++ [pid 5830] getdents64(3, [pid 6313] <... rseq resumed>) = 0 [pid 6309] close(3 [pid 6313] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6309] <... close resumed>) = 0 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6309] close(4 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] <... close resumed>) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6300, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6309] mkdir("./file0", 0777 [pid 6308] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] memfd_create("syzkaller", 0 [pid 6309] <... mkdir resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] <... memfd_create resumed>) = 3 [pid 6309] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6308] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 80.077261][ T6309] loop0: detected capacity change from 0 to 1024 [pid 6310] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./32/binderfs", [pid 6313] <... mmap resumed>) = 0x7f3f93e00000 [pid 5832] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6310] <... ioctl resumed>) = 0 [pid 6309] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] unlink("./32/binderfs" [pid 6309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] getdents64(3, [pid 6313] <... write resumed>) = 524288 [pid 6310] close(3 [pid 6309] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 6309] chdir("./file0" [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6310] <... close resumed>) = 0 [pid 6310] close(4) = 0 [pid 6309] <... chdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6310] mkdir("./file0", 0777 [pid 5832] newfstatat(AT_FDCWD, "./32/binderfs", [pid 6310] <... mkdir resumed>) = 0 [pid 6310] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6309] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6309] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] unlink("./32/binderfs" [pid 6309] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... unlink resumed>) = 0 [pid 6313] <... munmap resumed>) = 0 [pid 6309] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 5832] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6309] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6306] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... openat resumed>) = 4 [pid 6306] <... futex resumed>) = 0 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6306] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] <... ioctl resumed>) = 0 [pid 6309] <... openat resumed>) = 4 [pid 6313] close(3 [pid 6309] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... close resumed>) = 0 [pid 6310] <... mount resumed>) = 0 [pid 6313] close(4 [pid 6310] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6309] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6313] <... close resumed>) = 0 [pid 6310] <... openat resumed>) = 3 [pid 6309] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] mkdir("./file0", 0777 [pid 6310] chdir("./file0" [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 0 [pid 6313] <... mkdir resumed>) = 0 [pid 6310] <... chdir resumed>) = 0 [pid 6306] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6310] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6309] ftruncate(4, 33554441 [pid 6310] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6310] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [ 80.120013][ T6310] loop4: detected capacity change from 0 to 1024 [ 80.147633][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 80.157410][ T35] hfsplus: b-tree write err: -5, ino 4 [ 80.158411][ T6313] loop2: detected capacity change from 0 to 1024 [pid 6313] <... mount resumed>) = 0 [pid 6310] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6307] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6310] <... openat resumed>) = 4 [pid 6313] <... openat resumed>) = 3 [pid 6313] chdir("./file0") = 0 [pid 6310] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6310] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6313] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] ftruncate(4, 33554441 [pid 6307] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 6313] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./32/file0", [pid 6313] <... futex resumed>) = 0 [pid 6313] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6313] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = 0 [pid 6313] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6308] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] ftruncate(4, 33554441 [pid 5832] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./32/file0", [pid 5832] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5830] getdents64(4, [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] getdents64(4, [pid 6306] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6306] <... futex resumed>) = 0 [pid 5830] close(4 [pid 6306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6306] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] rmdir("./32/file0" [pid 6306] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] rmdir("./32/file0" [pid 6309] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6306] <... mprotect resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] getdents64(3, [pid 6306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] getdents64(3, [pid 6309] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6309] <... futex resumed>) = 0 [pid 5832] close(3 [pid 5830] close(3 [pid 6309] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... close resumed>) = 0 ./strace-static-x86_64: Process 6314 attached [pid 5830] <... close resumed>) = 0 [pid 6310] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] rmdir("./32" [pid 6310] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... clone3 resumed> => {parent_tid=[6314]}, 88) = 6314 [pid 5830] rmdir("./32" [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6314] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6314] <... rseq resumed>) = 0 [pid 6307] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... futex resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6314] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6307] <... futex resumed>) = 0 [pid 6310] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6306] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] mkdir("./33", 0777 [pid 5830] mkdir("./33", 0777 [pid 6306] <... futex resumed>) = 0 [pid 6314] <... set_robust_list resumed>) = 0 [pid 6307] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... mkdir resumed>) = 0 [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6314] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6310] <... unlinkat resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6314] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6314] <... futex resumed>) = 1 [pid 6313] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6306] <... futex resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6310] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6314] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6306] exit_group(0 [pid 5832] close(3 [pid 6307] exit_group(0 [pid 5830] <... ioctl resumed>) = 0 [pid 6314] <... futex resumed>) = ? [pid 6313] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = ? [pid 6308] <... futex resumed>) = 0 [pid 6307] <... exit_group resumed>) = ? [pid 6306] <... exit_group resumed>) = ? [pid 6314] +++ exited with 0 +++ [pid 6313] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] +++ exited with 0 +++ [pid 6309] +++ exited with 0 +++ [pid 6308] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] close(3 [pid 6308] <... futex resumed>) = 0 [pid 6307] +++ exited with 0 +++ [pid 6306] +++ exited with 0 +++ [pid 5832] <... close resumed>) = 0 [pid 6308] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6306, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5833] --- 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 5833] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./33/binderfs") = 0 [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... unlinkat resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6313] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] newfstatat(3, "", [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6315 ./strace-static-x86_64: Process 6315 attached [pid 6315] set_robust_list(0x5555832d26a0, 24./strace-static-x86_64: Process 6316 attached [pid 6313] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6316] set_robust_list(0x5555832d26a0, 24 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6313] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] exit_group(0 [pid 5829] getdents64(3, [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] chdir("./33" [pid 6313] <... futex resumed>) = ? [pid 6308] <... exit_group resumed>) = ? [pid 6316] chdir("./33" [pid 6315] <... chdir resumed>) = 0 [pid 6313] +++ exited with 0 +++ [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6316] <... chdir resumed>) = 0 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6308] +++ exited with 0 +++ [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6316 [pid 5829] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./34/binderfs", [pid 6316] <... prctl resumed>) = 0 [pid 6315] <... prctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] setpgid(0, 0 [pid 6315] setpgid(0, 0 [pid 5829] unlink("./34/binderfs" [pid 6316] <... setpgid resumed>) = 0 [pid 6315] <... setpgid resumed>) = 0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... unlink resumed>) = 0 [pid 6316] <... openat resumed>) = 3 [pid 6315] <... openat resumed>) = 3 [pid 5829] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] write(3, "1000", 4) = 4 [pid 6315] write(3, "1000", 4 [pid 6316] close(3 [pid 6315] <... write resumed>) = 4 [pid 6316] <... close resumed>) = 0 [pid 6316] symlink("/dev/binderfs", "./binderfs" [pid 6315] close(3) = 0 [pid 6316] <... symlink resumed>) = 0 [pid 6315] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6316] write(1, "executing program\n", 18executing program ) = 18 [pid 6315] write(1, "executing program\n", 18 [pid 6316] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... write resumed>) = 18 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6315] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] <... futex resumed>) = 0 [pid 6315] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(3, "", [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6315] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 6316] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6315] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6316] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6315] <... mprotect resumed>) = 0 [pid 5831] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] <... mprotect resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] newfstatat(AT_FDCWD, "./33/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./33/binderfs", [pid 6316] <... rt_sigprocmask resumed>[], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6317 attached [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./33/binderfs" [pid 6316] <... clone3 resumed> => {parent_tid=[6318]}, 88) = 6318 [pid 6315] <... clone3 resumed> => {parent_tid=[6317]}, 88) = 6317 [pid 5833] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... openat resumed>) = 4 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(4, "", [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6316] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6317] <... rseq resumed>) = 0 [pid 6316] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6315] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 80.287240][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 80.318786][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6317] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5833] getdents64(4, ./strace-static-x86_64: Process 6318 attached [pid 6317] <... set_robust_list resumed>) = 0 [pid 6318] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6317] memfd_create("syzkaller", 0) = 3 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6317] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] close(4 [pid 6318] <... rseq resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./33/file0") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./33") = 0 [pid 5833] mkdir("./34", 0777 [pid 6318] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... mkdir resumed>) = 0 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6318] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... umount2 resumed>) = 0 [pid 6318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6318] memfd_create("syzkaller", 0) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6317] <... write resumed>) = 524288 [pid 5833] <... close resumed>) = 0 [pid 5829] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6318] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] munmap(0x7f3f93e00000, 138412032) = 0 [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./33/file0", [pid 6317] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 80.351748][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 6318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... openat resumed>) = 4 [pid 5829] newfstatat(AT_FDCWD, "./34/file0", [pid 5831] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(4 [pid 5829] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] rmdir("./33/file0" [pid 5829] newfstatat(4, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6319 attached [pid 5829] getdents64(4, [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] close(3 [pid 5829] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./33" [pid 5829] close(4 [pid 6319] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6319 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6319] <... set_robust_list resumed>) = 0 [pid 5829] rmdir("./34/file0" [pid 6319] chdir("./34" [pid 5829] <... rmdir resumed>) = 0 [pid 6319] <... chdir resumed>) = 0 [pid 5829] getdents64(3, [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] mkdir("./34", 0777 [pid 6319] <... prctl resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6319] setpgid(0, 0 [pid 6317] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./34" [pid 6319] <... setpgid resumed>) = 0 [pid 6317] close(3 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6317] close(4 [pid 6319] <... openat resumed>) = 3 [pid 6317] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] mkdir("./35", 0777 [pid 6319] write(3, "1000", 4 [pid 6317] mkdir("./file0", 0777 [pid 5831] <... openat resumed>) = 3 [pid 6319] <... write resumed>) = 4 [pid 5829] <... mkdir resumed>) = 0 [pid 6319] close(3 [pid 6317] <... mkdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6319] <... close resumed>) = 0 [pid 6319] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6319] <... symlink resumed>) = 0 [pid 5831] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6318] <... write resumed>) = 524288 [pid 6317] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6319] write(1, "executing program\n", 18 [pid 6318] munmap(0x7f3f93e00000, 138412032 [pid 5829] close(3executing program [pid 6319] <... write resumed>) = 18 [pid 6319] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 5829] <... close resumed>) = 0 [pid 6319] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6320 attached [pid 6319] <... mprotect resumed>) = 0 [pid 6318] <... munmap resumed>) = 0 [pid 6317] <... mount resumed>) = 0 [pid 6320] set_robust_list(0x5555832d26a0, 24 [pid 6318] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6320 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6318] <... openat resumed>) = 4 [pid 6320] chdir("./35" [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6317] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6317] <... openat resumed>) = 3 [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6321 attached [pid 6317] chdir("./file0" [pid 6320] <... chdir resumed>) = 0 [pid 6318] ioctl(4, LOOP_SET_FD, 3 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6317] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6322 attached [pid 6321] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6320] setpgid(0, 0 [pid 6319] <... clone3 resumed> => {parent_tid=[6321]}, 88) = 6321 [pid 6317] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6321] <... rseq resumed>) = 0 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6317] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6321] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... set_robust_list resumed>) = 0 [ 80.409627][ T6317] loop3: detected capacity change from 0 to 1024 [pid 6319] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6322 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] <... futex resumed>) = 0 [pid 6317] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6315] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6317] <... openat resumed>) = 4 [pid 6315] <... futex resumed>) = 0 [pid 6321] memfd_create("syzkaller", 0 [pid 6315] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... memfd_create resumed>) = 3 [pid 6320] <... setpgid resumed>) = 0 [pid 6321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... openat resumed>) = 3 [pid 6322] set_robust_list(0x5555832d26a0, 24 [pid 6317] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6317] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6317] ftruncate(4, 33554441 [pid 6315] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] <... set_robust_list resumed>) = 0 [pid 6320] write(3, "1000", 4 [pid 6322] chdir("./34" [pid 6320] <... write resumed>) = 4 [pid 6322] <... chdir resumed>) = 0 [pid 6321] <... write resumed>) = 524288 [pid 6320] close(3 [pid 6318] <... ioctl resumed>) = 0 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] <... close resumed>) = 0 [pid 6318] close(3 [pid 6322] <... prctl resumed>) = 0 [pid 6320] symlink("/dev/binderfs", "./binderfs" [pid 6322] setpgid(0, 0 [pid 6320] <... symlink resumed>) = 0 [pid 6318] <... close resumed>) = 0 [pid 6322] <... setpgid resumed>) = 0 [pid 6321] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6321] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6320] write(1, "executing program\n", 18 [pid 6318] close(4 [pid 6322] write(3, "1000", 4 [pid 6318] <... close resumed>) = 0 [pid 6322] <... write resumed>) = 4 [pid 6320] <... write resumed>) = 18 [pid 6322] close(3 [pid 6320] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... close resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6322] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6321] <... openat resumed>) = 4 [pid 6320] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6318] mkdir("./file0", 0777 [pid 6322] write(1, "executing program\n", 18 [pid 6320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6322] <... write resumed>) = 18 [ 80.464501][ T6318] loop1: detected capacity change from 0 to 1024 [pid 6321] ioctl(4, LOOP_SET_FD, 3 [pid 6322] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... ioctl resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6318] <... mkdir resumed>) = 0 [pid 6321] close(3 [pid 6322] <... futex resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6318] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6317] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6315] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6317] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6317] <... futex resumed>) = 0 [pid 6315] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6321] <... close resumed>) = 0 [pid 6320] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6317] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6321] close(4 [pid 6320] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6315] <... mprotect resumed>) = 0 [pid 6322] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6321] <... close resumed>) = 0 [pid 6318] <... mount resumed>) = 0 [pid 6320] <... mprotect resumed>) = 0 [pid 6322] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6321] mkdir("./file0", 0777 [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6323 attached [pid 6322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6321] <... mkdir resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6318] <... openat resumed>) = 3 [pid 6323] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6318] chdir("./file0" [pid 6315] <... clone3 resumed> => {parent_tid=[6323]}, 88) = 6323 ./strace-static-x86_64: Process 6324 attached [pid 6323] <... rseq resumed>) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6318] <... chdir resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6324] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6323] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6322] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6320] <... clone3 resumed> => {parent_tid=[6324]}, 88) = 6324 [pid 6318] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6324] <... rseq resumed>) = 0 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6318] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6315] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6323] rt_sigprocmask(SIG_SETMASK, [], [pid 6322] <... mprotect resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6318] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = 0 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6321] <... mount resumed>) = 0 [pid 6320] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6315] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] rt_sigprocmask(SIG_SETMASK, [], [pid 6323] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6320] <... futex resumed>) = 0 [pid 6318] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] <... unlinkat resumed>) = 0 [pid 6322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6321] <... openat resumed>) = 3 [pid 6320] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6324] memfd_create("syzkaller", 0 [pid 6323] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6321] chdir("./file0" [pid 6318] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6316] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6325 attached [pid 6324] <... memfd_create resumed>) = 3 [pid 6323] <... futex resumed>) = 1 [pid 6321] <... chdir resumed>) = 0 [pid 6318] <... openat resumed>) = 4 [pid 6315] <... futex resumed>) = 0 [pid 6324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6323] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] exit_group(0 [pid 6325] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6324] <... mmap resumed>) = 0x7f3f93e00000 [pid 6323] <... futex resumed>) = ? [pid 6322] <... clone3 resumed> => {parent_tid=[6325]}, 88) = 6325 [pid 6321] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6318] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = ? [pid 6316] <... futex resumed>) = 0 [pid 6315] <... exit_group resumed>) = ? [pid 6321] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6318] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] +++ exited with 0 +++ [pid 6316] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [ 80.515778][ T6321] loop4: detected capacity change from 0 to 1024 [pid 6325] <... rseq resumed>) = 0 [pid 6322] rt_sigprocmask(SIG_SETMASK, [], [pid 6321] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 1 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6322] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6322] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6323] +++ exited with 0 +++ [pid 6315] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6318] ftruncate(4, 33554441 [pid 6316] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6325] memfd_create("syzkaller", 0 [pid 6321] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = 3 [pid 6325] <... memfd_create resumed>) = 3 [pid 6321] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6319] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(3, "", [pid 6325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6321] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6325] <... mmap resumed>) = 0x7f3f93e00000 [pid 6321] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6319] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] ftruncate(4, 33554441 [pid 6319] <... futex resumed>) = 0 [pid 6319] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] getdents64(3, [pid 6325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6324] <... write resumed>) = 524288 [pid 5832] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./33/binderfs", [pid 6324] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./33/binderfs" [pid 6324] <... munmap resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6324] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6325] <... write resumed>) = 524288 [pid 6324] <... openat resumed>) = 4 [pid 5832] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6324] ioctl(4, LOOP_SET_FD, 3 [pid 6325] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6325] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6325] ioctl(4, LOOP_SET_FD, 3 [pid 6324] <... ioctl resumed>) = 0 [pid 6318] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6325] <... ioctl resumed>) = 0 [pid 6324] close(3 [pid 6318] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6318] <... futex resumed>) = 0 [pid 6316] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... close resumed>) = 0 [pid 6318] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6316] <... futex resumed>) = 0 [pid 6324] close(4 [pid 6325] close(3) = 0 [pid 6325] close(4) = 0 [pid 6318] <... unlinkat resumed>) = 0 [pid 6316] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] mkdir("./file0", 0777) = 0 [pid 6319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6325] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6319] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6319] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6324] <... close resumed>) = 0 [pid 6319] <... mprotect resumed>) = 0 [pid 6318] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] mkdir("./file0", 0777 [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6324] <... mkdir resumed>) = 0 [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6325] <... mount resumed>) = 0 [pid 6324] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6318] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] exit_group(0./strace-static-x86_64: Process 6326 attached [pid 6325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6321] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6318] <... futex resumed>) = ? [pid 6316] <... exit_group resumed>) = ? [pid 6326] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6325] <... openat resumed>) = 3 [pid 6319] <... clone3 resumed> => {parent_tid=[6326]}, 88) = 6326 [pid 6326] <... rseq resumed>) = 0 [pid 6325] chdir("./file0" [pid 6321] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6326] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6325] <... chdir resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6321] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] +++ exited with 0 +++ [pid 6316] +++ exited with 0 +++ [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6319] <... futex resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6316, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6326] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6325] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6326] <... unlinkat resumed>) = 0 [pid 6325] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6322] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6326] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = 0 [pid 6319] exit_group(0 [pid 6321] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 6321] +++ exited with 0 +++ [pid 6326] <... futex resumed>) = ? [pid 5830] <... restart_syscall resumed>) = 0 [pid 6326] +++ exited with 0 +++ [pid 6325] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... mount resumed>) = 0 [pid 6319] +++ exited with 0 +++ [pid 6325] <... futex resumed>) = 1 [pid 6324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6322] <... futex resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6325] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... openat resumed>) = 3 [pid 6322] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 80.614892][ T6324] loop0: detected capacity change from 0 to 1024 [ 80.617938][ T6325] loop2: detected capacity change from 0 to 1024 [ 80.628727][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 6325] ftruncate(4, 33554441 [pid 6324] chdir("./file0" [pid 6322] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6324] <... chdir resumed>) = 0 [pid 6324] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./33/file0", [pid 5830] newfstatat(3, "", [pid 6324] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6324] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6324] <... futex resumed>) = 1 [pid 6320] <... futex resumed>) = 0 [pid 5832] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6324] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./33/binderfs") = 0 [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6324] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6320] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = 4 [pid 5833] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 6324] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 6324] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(3, "", [pid 6324] <... futex resumed>) = 1 [pid 6320] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6324] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 6320] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6324] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 6324] ftruncate(4, 33554441 [pid 5832] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6320] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./33/file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5832] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] unlink("./34/binderfs" [pid 5832] close(3) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] rmdir("./33" [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./34", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6322] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6322] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6327 attached => {parent_tid=[6327]}, 88) = 6327 [pid 6322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6322] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6322] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5832] <... openat resumed>) = 3 [pid 6327] <... rseq resumed>) = 0 [pid 6327] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6327] <... set_robust_list resumed>) = 0 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6327] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6327] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6327] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [ 80.694781][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 80.711477][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6327] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6320] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6320] <... futex resumed>) = 0 [pid 6322] exit_group(0 [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6327] <... futex resumed>) = ? [pid 6322] <... exit_group resumed>) = ? [pid 6320] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6327] +++ exited with 0 +++ [pid 5830] newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] <... futex resumed>) = ? [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] +++ exited with 0 +++ [pid 6322] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6322, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5830] <... openat resumed>) = 4 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(4, "", ./strace-static-x86_64: Process 6328 attached [pid 6320] <... mprotect resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6328 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6328] set_robust_list(0x5555832d26a0, 24 [pid 5830] rmdir("./33/file0" [pid 6328] <... set_robust_list resumed>) = 0 [pid 6324] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6328] chdir("./34" [pid 6324] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6329 attached [pid 6328] <... chdir resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6320] <... clone3 resumed> => {parent_tid=[6329]}, 88) = 6329 [pid 5831] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6329] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6329] <... rseq resumed>) = 0 [pid 6328] <... prctl resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(3 [pid 6329] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6328] setpgid(0, 0 [pid 6320] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] <... setpgid resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./34/file0", [pid 5831] newfstatat(3, "", [pid 5830] rmdir("./33" [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6320] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... openat resumed>) = 3 [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 6329] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6328] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] mkdir("./34", 0777 [pid 6329] <... unlinkat resumed>) = 0 [pid 6328] <... write resumed>) = 4 [pid 5833] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] symlink("/dev/binderfs", "./binderfs" [pid 5833] newfstatat(4, "", [pid 5831] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6329] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5830] <... openat resumed>) = 3 [pid 6329] <... futex resumed>) = 1 [pid 6328] write(1, "executing program\n", 18 [pid 6320] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] unlink("./34/binderfs" [pid 6329] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... write resumed>) = 18 [pid 6320] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... unlink resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6328] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = ? [pid 6328] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 5833] getdents64(4, [pid 5830] <... ioctl resumed>) = 0 [pid 6329] +++ exited with 0 +++ [pid 6328] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6324] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6320] +++ exited with 0 +++ [pid 5833] close(4 [pid 5830] <... close resumed>) = 0 [pid 6328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6328] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] rmdir("./34/file0" [pid 6328] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... rmdir resumed>) = 0 [pid 5829] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] <... mprotect resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(3) = 0 [pid 5833] rmdir("./34" [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6330 attached [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6330] set_robust_list(0x5555832d26a0, 24 [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] mkdir("./35", 0777./strace-static-x86_64: Process 6331 attached [pid 6330] <... set_robust_list resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6330 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6331] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6330] chdir("./34" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6331] <... rseq resumed>) = 0 [pid 6330] <... chdir resumed>) = 0 [pid 6328] <... clone3 resumed> => {parent_tid=[6331]}, 88) = 6331 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 6331] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] newfstatat(AT_FDCWD, "./34/file0", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] <... prctl resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6330] setpgid(0, 0 [pid 6328] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] close(3 [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6331] memfd_create("syzkaller", 0 [pid 6330] <... setpgid resumed>) = 0 [pid 6328] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6331] <... memfd_create resumed>) = 3 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] unlink("./35/binderfs" [pid 6331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 80.806925][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5831] newfstatat(4, "", [pid 6331] <... mmap resumed>) = 0x7f3f93e00000 [pid 6331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6332 attached [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6332 [pid 5831] getdents64(4, [pid 6332] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6332] chdir("./35" [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 6332] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] close(4 [pid 6332] setpgid(0, 0 [pid 5831] <... close resumed>) = 0 [pid 6332] <... setpgid resumed>) = 0 [pid 6330] <... openat resumed>) = 3 [pid 5831] rmdir("./34/file0") = 0 [pid 5831] getdents64(3, [pid 6330] write(3, "1000", 4) = 4 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6330] close(3 [pid 5831] close(3 [pid 6330] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6330] symlink("/dev/binderfs", "./binderfs" [pid 5831] rmdir("./34" [pid 6332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] <... symlink resumed>) = 0 [pid 6332] <... openat resumed>) = 3 [pid 6330] write(1, "executing program\n", 18 [pid 5831] <... rmdir resumed>) = 0 [pid 6332] write(3, "1000", 4) = 4 [pid 6332] close(3) = 0 [pid 6332] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6332] write(1, "executing program\n", 18) = 18 [pid 6332] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... write resumed>) = 524288 executing program [pid 5831] mkdir("./35", 0777 [pid 6330] <... write resumed>) = 18 [pid 6332] <... futex resumed>) = 0 [pid 6331] munmap(0x7f3f93e00000, 138412032 [pid 6332] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6331] <... munmap resumed>) = 0 [pid 6330] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... mkdir resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6331] <... openat resumed>) = 4 [pid 6330] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... openat resumed>) = 3 [pid 6330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] ioctl(4, LOOP_SET_FD, 3 [pid 6330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6332] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6330] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6332] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6330] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6332] <... mprotect resumed>) = 0 [pid 6332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6330] <... mprotect resumed>) = 0 [pid 5831] close(3 [pid 6332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 6333 attached [pid 6332] <... clone3 resumed> => {parent_tid=[6333]}, 88) = 6333 [pid 6331] <... ioctl resumed>) = 0 [pid 6330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... umount2 resumed>) = 0 [pid 6332] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] close(3 [pid 6330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] <... close resumed>) = 0 [pid 6333] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6332] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] close(4 [pid 6333] <... rseq resumed>) = 0 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... close resumed>) = 0 [pid 6333] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6332] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6331] mkdir("./file0", 0777 [pid 6330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] newfstatat(AT_FDCWD, "./35/file0", ./strace-static-x86_64: Process 6334 attached [pid 6330] <... clone3 resumed> => {parent_tid=[6334]}, 88) = 6334 [pid 6334] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6335 [pid 6334] <... rseq resumed>) = 0 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6335 attached [pid 6334] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6330] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6330] <... futex resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6333] memfd_create("syzkaller", 0 [pid 6330] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6333] <... memfd_create resumed>) = 3 [pid 5829] <... openat resumed>) = 4 [pid 6335] set_robust_list(0x5555832d26a0, 24 [pid 6334] memfd_create("syzkaller", 0 [pid 6333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] <... memfd_create resumed>) = 3 [pid 6333] <... mmap resumed>) = 0x7f3f93e00000 [pid 6335] chdir("./35" [pid 6334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] newfstatat(4, "", [pid 6334] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6335] <... chdir resumed>) = 0 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] getdents64(4, [pid 6335] <... prctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6335] setpgid(0, 0 [pid 5829] close(4 [pid 6335] <... setpgid resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 80.859260][ T35] hfsplus: b-tree write err: -5, ino 4 [ 80.890983][ T6331] loop3: detected capacity change from 0 to 1024 [pid 5829] rmdir("./35/file0" [pid 6335] <... openat resumed>) = 3 [pid 6334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6331] <... mount resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6335] write(3, "1000", 4) = 4 [pid 5829] getdents64(3, [pid 6335] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6335] <... close resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./35") = 0 [pid 6335] symlink("/dev/binderfs", "./binderfs" [pid 6334] <... write resumed>) = 524288 [pid 6333] <... write resumed>) = 524288 [pid 6331] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6335] <... symlink resumed>) = 0 [pid 6333] munmap(0x7f3f93e00000, 138412032 [pid 6331] <... openat resumed>) = 3 executing program [pid 5829] mkdir("./36", 0777 [pid 6335] write(1, "executing program\n", 18 [pid 6333] <... munmap resumed>) = 0 [pid 6331] chdir("./file0" [pid 5829] <... mkdir resumed>) = 0 [pid 6335] <... write resumed>) = 18 [pid 6331] <... chdir resumed>) = 0 [pid 6335] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6335] <... futex resumed>) = 0 [pid 6333] <... openat resumed>) = 4 [pid 6331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6335] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6333] ioctl(4, LOOP_SET_FD, 3 [pid 6331] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = 3 [pid 6335] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6334] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6334] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6331] <... futex resumed>) = 1 [pid 6335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6328] <... futex resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6331] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6328] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6328] <... futex resumed>) = 0 [pid 6334] ioctl(4, LOOP_SET_FD, 3 [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] <... openat resumed>) = 4 [pid 6328] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... close resumed>) = 0 [pid 6335] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6333] <... ioctl resumed>) = 0 [pid 6331] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6334] <... ioctl resumed>) = 0 [pid 6333] close(3 [pid 6331] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6335] <... mprotect resumed>) = 0 [pid 6333] <... close resumed>) = 0 [pid 6331] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] close(4 [pid 6331] ftruncate(4, 33554441 [pid 6328] <... futex resumed>) = 0 [pid 6334] close(3 [pid 6328] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... close resumed>) = 0 [pid 6334] close(4) = 0 [pid 6334] mkdir("./file0", 0777) = 0 [pid 6334] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6333] <... close resumed>) = 0 [pid 6333] mkdir("./file0", 0777./strace-static-x86_64: Process 6336 attached [pid 6335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6333] <... mkdir resumed>) = 0 [pid 6335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6336] set_robust_list(0x5555832d26a0, 24 [pid 6333] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6336] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6337 attached [pid 6335] <... clone3 resumed> => {parent_tid=[6337]}, 88) = 6337 [pid 6336] chdir("./36" [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6336 [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6335] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6336] <... chdir resumed>) = 0 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] <... prctl resumed>) = 0 [pid 6337] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6337] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6336] setpgid(0, 0) = 0 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6337] memfd_create("syzkaller", 0) = 3 [pid 6334] <... mount resumed>) = 0 [pid 6337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6334] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6334] <... openat resumed>) = 3 [pid 6334] chdir("./file0") = 0 [pid 6334] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6336] <... openat resumed>) = 3 [pid 6334] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6336] write(3, "1000", 4) = 4 [pid 6336] close(3 [pid 6334] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6333] <... mount resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6334] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6330] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... openat resumed>) = 4 [pid 6330] <... futex resumed>) = 0 [pid 6330] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6330] <... futex resumed>) = 0 [ 80.960563][ T6333] loop4: detected capacity change from 0 to 1024 [ 80.975428][ T6334] loop1: detected capacity change from 0 to 1024 [pid 6330] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6334] ftruncate(4, 33554441 [pid 6330] <... futex resumed>) = 0 [pid 6336] symlink("/dev/binderfs", "./binderfs" [pid 6330] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6336] <... symlink resumed>) = 0 [pid 6333] <... openat resumed>) = 3 [pid 6336] write(1, "executing program\n", 18 [pid 6333] chdir("./file0" [pid 6336] <... write resumed>) = 18 [pid 6333] <... chdir resumed>) = 0 [pid 6336] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6336] <... futex resumed>) = 0 [pid 6336] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6333] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6333] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6336] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6333] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... mprotect resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... futex resumed>) = 0 [pid 6337] <... write resumed>) = 524288 [pid 6336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6333] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6332] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6338 attached [pid 6333] <... openat resumed>) = 4 [pid 6328] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6336] <... clone3 resumed> => {parent_tid=[6338]}, 88) = 6338 [pid 6338] <... rseq resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6338] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] munmap(0x7f3f93e00000, 138412032 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... munmap resumed>) = 0 [pid 6336] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6328] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6336] <... futex resumed>) = 0 [pid 6328] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6338] memfd_create("syzkaller", 0 [pid 6336] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6331] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... memfd_create resumed>) = 3 [pid 6337] <... openat resumed>) = 4 [pid 6333] ftruncate(4, 33554441 [pid 6332] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = 0 [pid 6328] <... mprotect resumed>) = 0 [pid 6338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6337] ioctl(4, LOOP_SET_FD, 3 [pid 6332] <... futex resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7f3f93e00000 [pid 6331] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6330] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6330] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6332] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] <... mprotect resumed>) = 0 [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6339]}, 88) = 6339 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6339 attached [pid 6330] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6330] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6340 attached [pid 6339] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6334] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6339] <... rseq resumed>) = 0 [pid 6339] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6340] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6328] <... clone3 resumed> => {parent_tid=[6340]}, 88) = 6340 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6340] <... rseq resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6328] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6337] <... ioctl resumed>) = 0 [pid 6337] close(3) = 0 [pid 6339] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] close(4 [pid 6340] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... close resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] <... futex resumed>) = 1 [pid 6334] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6328] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6339] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] mkdir("./file0", 0777 [pid 6334] <... futex resumed>) = 0 [pid 6330] exit_group(0 [pid 6339] <... futex resumed>) = ? [pid 6338] <... write resumed>) = 524288 [pid 6337] <... mkdir resumed>) = 0 [pid 6330] <... exit_group resumed>) = ? [pid 6340] <... unlinkat resumed>) = 0 [pid 6339] +++ exited with 0 +++ [pid 6337] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6338] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6338] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6334] +++ exited with 0 +++ [pid 6330] +++ exited with 0 +++ [ 81.068274][ T6337] loop2: detected capacity change from 0 to 1024 [pid 6338] <... openat resumed>) = 4 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6340] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] ioctl(4, LOOP_SET_FD, 3 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6340] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6340] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] exit_group(0 [pid 6337] <... mount resumed>) = 0 [pid 6337] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6337] chdir("./file0") = 0 [pid 6340] <... futex resumed>) = ? [pid 6338] <... ioctl resumed>) = 0 [pid 6337] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6333] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6331] <... futex resumed>) = ? [pid 6328] <... exit_group resumed>) = ? [pid 5830] <... restart_syscall resumed>) = 0 [pid 6340] +++ exited with 0 +++ [pid 6337] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6331] +++ exited with 0 +++ [pid 6337] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6328] +++ exited with 0 +++ [pid 6338] close(3) = 0 [pid 6337] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(4 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6338] <... close resumed>) = 0 [pid 6337] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6335] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6332] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6338] mkdir("./file0", 0777 [pid 6337] <... openat resumed>) = 4 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6338] <... mkdir resumed>) = 0 [pid 6333] <... unlinkat resumed>) = 0 [pid 5832] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6338] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 6337] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6337] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 6333] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6337] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(3, "", [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6337] ftruncate(4, 33554441 [pid 6333] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] getdents64(3, [pid 6335] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] exit_group(0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6332] <... exit_group resumed>) = ? [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./34/binderfs" [pid 5830] unlink("./34/binderfs" [pid 5832] <... unlink resumed>) = 0 [pid 6333] <... futex resumed>) = ? [pid 5832] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6338] <... mount resumed>) = 0 [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6333] +++ exited with 0 +++ [pid 6332] +++ exited with 0 +++ [ 81.115095][ T6338] loop0: detected capacity change from 0 to 1024 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6332, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6337] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6338] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6337] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(3, "", [pid 6338] <... openat resumed>) = 3 [pid 6337] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6338] chdir("./file0" [pid 6337] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... chdir resumed>) = 0 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 6338] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6337] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6335] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6337] <... unlinkat resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... umount2 resumed>) = 0 [pid 6338] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6338] <... futex resumed>) = 1 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] <... futex resumed>) = 0 [pid 6336] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6336] <... futex resumed>) = 0 [pid 6338] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6337] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6338] <... openat resumed>) = 4 [pid 6337] <... futex resumed>) = 1 [pid 6335] <... futex resumed>) = 0 [pid 5833] unlink("./35/binderfs" [pid 6335] exit_group(0) = ? [pid 5833] <... unlink resumed>) = 0 [ 81.167910][ T35] hfsplus: b-tree write err: -5, ino 4 [ 81.182824][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6338] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6337] +++ exited with 0 +++ [pid 6336] <... futex resumed>) = 0 [pid 6335] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6338] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6336] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./34/file0", [pid 5832] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6338] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6338] ftruncate(4, 33554441 [pid 6336] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(4, "", [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(4, [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] rmdir("./34/file0" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] getdents64(4, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(3, [pid 5831] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5830] close(4 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] close(3 [pid 5831] unlink("./35/binderfs" [pid 5830] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] rmdir("./34/file0" [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./34") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5832] mkdir("./35", 0777 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] rmdir("./34" [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 6338] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... close resumed>) = 0 [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./35/file0") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./35") = 0 [pid 5833] mkdir("./36", 0777) = 0 [pid 6336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] mkdir("./35", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6336] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... mkdir resumed>) = 0 [pid 6336] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6341 [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6336] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6336] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6341 attached [pid 6336] <... mprotect resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6341] set_robust_list(0x5555832d26a0, 24 [pid 5830] close(3 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6341] chdir("./35") = 0 [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6341] <... prctl resumed>) = 0 [pid 6341] setpgid(0, 0) = 0 [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] <... futex resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6338] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6342 attached [pid 5830] <... close resumed>) = 0 [pid 6341] <... openat resumed>) = 3 [pid 6336] <... clone3 resumed> => {parent_tid=[6342]}, 88) = 6342 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6342] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6342] <... rseq resumed>) = 0 [pid 6342] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6341] write(3, "1000", 4 [pid 6336] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6336] <... futex resumed>) = 0 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 6341] close(3 [ 81.210121][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 81.241340][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6343 attached [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... close resumed>) = 0 [pid 6336] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6344 attached [pid 6342] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6341] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6343 [pid 6341] <... symlink resumed>) = 0 [pid 6343] set_robust_list(0x5555832d26a0, 24) = 0 executing program [pid 6341] write(1, "executing program\n", 18 [pid 6344] set_robust_list(0x5555832d26a0, 24 [pid 6343] chdir("./35" [pid 6341] <... write resumed>) = 18 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6344 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] <... chdir resumed>) = 0 [pid 6342] <... unlinkat resumed>) = 0 [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6344] chdir("./36" [pid 5831] newfstatat(AT_FDCWD, "./35/file0", [pid 6344] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... prctl resumed>) = 0 [pid 6342] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 0 [pid 6344] setpgid(0, 0) = 0 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] exit_group(0 [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] <... exit_group resumed>) = ? [pid 6342] <... futex resumed>) = ? [pid 6338] <... futex resumed>) = ? [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] <... prctl resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6338] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] <... openat resumed>) = 3 [pid 6341] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6343] setpgid(0, 0 [pid 6341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6343] <... setpgid resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] newfstatat(4, "", [pid 6344] write(3, "1000", 4 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] <... write resumed>) = 4 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6344] close(3 [pid 6343] <... openat resumed>) = 3 [pid 6341] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] getdents64(4, [pid 6344] <... close resumed>) = 0 [pid 6343] write(3, "1000", 4 [pid 6341] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6344] symlink("/dev/binderfs", "./binderfs" [pid 6343] <... write resumed>) = 4 [pid 6341] <... mprotect resumed>) = 0 [pid 5831] getdents64(4, [pid 6344] <... symlink resumed>) = 0 [pid 6343] close(3 [pid 6342] +++ exited with 0 +++ [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6336] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 executing program [pid 6343] <... close resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] close(4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6336, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6344] write(1, "executing program\n", 18 [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6344] <... write resumed>) = 18 [pid 5831] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6344] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... symlink resumed>) = 0 executing program [pid 5831] rmdir("./35/file0"./strace-static-x86_64: Process 6345 attached [pid 6344] <... futex resumed>) = 0 [pid 6343] write(1, "executing program\n", 18 [pid 6341] <... clone3 resumed> => {parent_tid=[6345]}, 88) = 6345 [pid 5831] <... rmdir resumed>) = 0 [pid 6345] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6344] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6343] <... write resumed>) = 18 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] getdents64(3, [pid 6345] <... rseq resumed>) = 0 [pid 6344] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6343] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6345] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6343] <... futex resumed>) = 0 [pid 6341] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(3 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6341] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6341] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] rmdir("./35" [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6344] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] memfd_create("syzkaller", 0 [pid 6344] <... mprotect resumed>) = 0 [pid 6343] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] mkdir("./36", 0777 [pid 6345] <... memfd_create resumed>) = 3 [pid 6344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6343] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... mkdir resumed>) = 0 [pid 5829] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 6345] <... mmap resumed>) = 0x7f3f93e00000 [pid 6344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6346 attached [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6344] <... clone3 resumed> => {parent_tid=[6346]}, 88) = 6346 [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(3, "", [pid 6346] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] <... rseq resumed>) = 0 [pid 6344] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6347 attached [pid 6346] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... clone3 resumed> => {parent_tid=[6347]}, 88) = 6347 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] getdents64(3, [pid 6347] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6344] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] close(3 [pid 6347] <... rseq resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6347] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6343] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./36/binderfs" [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... unlink resumed>) = 0 [pid 6347] <... set_robust_list resumed>) = 0 [pid 5829] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6347] memfd_create("syzkaller", 0) = 3 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6348 attached , child_tidptr=0x5555832d2690) = 6348 [pid 6348] set_robust_list(0x5555832d26a0, 24 [pid 6347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6346] memfd_create("syzkaller", 0) = 3 [pid 6345] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = 0 [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] munmap(0x7f3f93e00000, 138412032 [pid 5829] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] <... mmap resumed>) = 0x7f3f93e00000 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6345] <... munmap resumed>) = 0 [pid 6348] chdir("./36" [pid 6345] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./36/file0", [pid 6345] <... openat resumed>) = 4 [pid 6348] <... chdir resumed>) = 0 [pid 6345] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... prctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] setpgid(0, 0) = 0 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] <... write resumed>) = 524288 [pid 6346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6348] <... openat resumed>) = 3 [pid 6348] write(3, "1000", 4) = 4 [pid 6347] munmap(0x7f3f93e00000, 138412032 [pid 6348] close(3 [pid 6347] <... munmap resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 6348] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5829] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6348] write(1, "executing program\n", 18) = 18 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6348] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6347] ioctl(4, LOOP_SET_FD, 3 [ 81.330203][ T11] hfsplus: b-tree write err: -5, ino 4 [ 81.365321][ T6345] loop3: detected capacity change from 0 to 1024 [pid 5829] getdents64(4, [pid 6348] <... futex resumed>) = 0 [pid 6346] <... write resumed>) = 524288 [pid 6345] <... ioctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6348] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6345] close(3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6345] <... close resumed>) = 0 [pid 5829] close(4 [pid 6348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] rmdir("./36/file0" [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6348] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] getdents64(3, [pid 6348] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6345] close(4 [pid 6346] munmap(0x7f3f93e00000, 138412032 [pid 5829] close(3 [pid 6345] <... close resumed>) = 0 [pid 6348] <... mprotect resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6345] mkdir("./file0", 0777 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6349 attached [pid 6348] <... clone3 resumed> => {parent_tid=[6349]}, 88) = 6349 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6348] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... mkdir resumed>) = 0 [pid 5829] rmdir("./36" [pid 6348] <... futex resumed>) = 0 [pid 6348] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6349] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6346] <... munmap resumed>) = 0 [pid 5829] mkdir("./37", 0777 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6349] memfd_create("syzkaller", 0) = 3 [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6347] <... ioctl resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6345] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6347] close(3) = 0 [pid 6347] close(4) = 0 [pid 6347] mkdir("./file0", 0777) = 0 [pid 6347] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 6346] <... openat resumed>) = 4 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [ 81.376502][ T6347] loop1: detected capacity change from 0 to 1024 [pid 6346] ioctl(4, LOOP_SET_FD, 3 [pid 5829] close(3 [pid 6349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... close resumed>) = 0 [pid 6347] <... mount resumed>) = 0 [pid 6347] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6347] chdir("./file0") = 0 [pid 6347] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6347] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6347] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... write resumed>) = 524288 [pid 6345] <... mount resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6349] munmap(0x7f3f93e00000, 138412032 [pid 6347] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6350 attached [pid 6349] <... munmap resumed>) = 0 [pid 6347] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6343] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] set_robust_list(0x5555832d26a0, 24 [pid 6347] <... openat resumed>) = 4 [pid 6346] <... ioctl resumed>) = 0 [pid 6345] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6350 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6345] chdir("./file0" [pid 6350] chdir("./37" [pid 6346] close(3 [pid 6345] <... chdir resumed>) = 0 [pid 6350] <... chdir resumed>) = 0 [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6347] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... close resumed>) = 0 [pid 6345] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6349] <... openat resumed>) = 4 [pid 6347] <... futex resumed>) = 1 [pid 6346] close(4 [pid 6345] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] <... close resumed>) = 0 [pid 6345] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... prctl resumed>) = 0 [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 6345] <... futex resumed>) = 1 [pid 6350] setpgid(0, 0 [pid 6349] <... ioctl resumed>) = 0 [pid 6346] mkdir("./file0", 0777 [pid 6345] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... futex resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6350] <... setpgid resumed>) = 0 [pid 6346] <... mkdir resumed>) = 0 [pid 6343] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = 0 [pid 6346] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"...executing program [pid 6345] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6343] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... openat resumed>) = 3 [pid 6349] close(3 [pid 6347] ftruncate(4, 33554441 [pid 6350] write(3, "1000", 4) = 4 [pid 6349] <... close resumed>) = 0 [pid 6350] close(3) = 0 [pid 6350] symlink("/dev/binderfs", "./binderfs" [pid 6349] close(4 [pid 6345] <... openat resumed>) = 4 [pid 6349] <... close resumed>) = 0 [pid 6350] <... symlink resumed>) = 0 [pid 6349] mkdir("./file0", 0777 [pid 6350] write(1, "executing program\n", 18) = 18 [pid 6350] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6350] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6349] <... mkdir resumed>) = 0 [pid 6350] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6349] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6345] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [ 81.422872][ T6346] loop4: detected capacity change from 0 to 1024 [ 81.455052][ T6349] loop2: detected capacity change from 0 to 1024 [pid 6350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6345] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6345] ftruncate(4, 33554441 [pid 6341] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6341] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6351 attached => {parent_tid=[6351]}, 88) = 6351 [pid 6351] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... mount resumed>) = 0 [pid 6346] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6351] <... rseq resumed>) = 0 [pid 6350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6350] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... openat resumed>) = 3 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6346] chdir("./file0" [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6350] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] <... mount resumed>) = 0 [pid 6346] <... chdir resumed>) = 0 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6351] memfd_create("syzkaller", 0) = 3 [pid 6351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6349] <... openat resumed>) = 3 [pid 6346] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6349] chdir("./file0" [pid 6346] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... chdir resumed>) = 0 [pid 6346] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6346] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6344] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... write resumed>) = 524288 [pid 6349] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6349] <... futex resumed>) = 1 [pid 6349] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... openat resumed>) = 4 [pid 6343] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 0 [pid 6346] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 1 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6349] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6348] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6351] munmap(0x7f3f93e00000, 138412032 [pid 6349] <... openat resumed>) = 4 [pid 6351] <... munmap resumed>) = 0 [pid 6346] ftruncate(4, 33554441 [pid 6349] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 6344] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6348] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6349] ftruncate(4, 33554441 [pid 6348] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6352 attached [pid 6351] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6347] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6352] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6351] <... openat resumed>) = 4 [pid 6343] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 6341] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... rseq resumed>) = 0 [pid 6351] ioctl(4, LOOP_SET_FD, 3 [pid 6347] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6341] <... futex resumed>) = 0 [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6352] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6345] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6352] <... set_robust_list resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6351] <... ioctl resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] close(3 [pid 6347] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6345] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6351] <... close resumed>) = 0 [pid 6346] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] <... futex resumed>) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6341] <... mprotect resumed>) = 0 [pid 6352] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6351] close(4 [pid 6346] <... futex resumed>) = 1 [pid 6345] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] <... close resumed>) = 0 [pid 6346] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... unlinkat resumed>) = 0 [pid 6351] mkdir("./file0", 0777 [pid 6341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6351] <... mkdir resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6351] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"..../strace-static-x86_64: Process 6353 attached [pid 6352] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6344] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6344] <... futex resumed>) = 1 [pid 6341] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6353] <... rseq resumed>) = 0 [pid 6344] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6352] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] <... futex resumed>) = 0 [pid 6343] exit_group(0 [pid 6341] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = ? [pid 6346] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6343] <... exit_group resumed>) = ? [pid 6341] <... futex resumed>) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] <... futex resumed>) = ? [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6347] +++ exited with 0 +++ [pid 6346] <... unlinkat resumed>) = 0 [pid 6341] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6348] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... futex resumed>) = 1 [pid 6344] exit_group(0) = ? [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] +++ exited with 0 +++ [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] +++ exited with 0 +++ [pid 6344] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 6353] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6349] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6349] <... unlinkat resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [ 81.574257][ T6351] loop0: detected capacity change from 0 to 1024 [pid 5833] unlink("./36/binderfs" [pid 6353] <... unlinkat resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6353] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6353] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] exit_group(0 [pid 5830] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] <... futex resumed>) = ? [pid 6351] <... mount resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = ? [pid 6341] <... exit_group resumed>) = ? [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] +++ exited with 0 +++ [pid 6351] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6349] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6351] <... openat resumed>) = 3 [pid 6345] +++ exited with 0 +++ [pid 5830] <... openat resumed>) = 3 [pid 6351] chdir("./file0") = 0 [pid 5830] newfstatat(3, "", [pid 6351] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6351] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] getdents64(3, [pid 6351] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6351] <... futex resumed>) = 1 [pid 6350] <... futex resumed>) = 0 [pid 6348] exit_group(0 [pid 6351] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = ? [pid 6348] <... exit_group resumed>) = ? [pid 5830] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... futex resumed>) = 0 [pid 6349] +++ exited with 0 +++ [pid 6348] +++ exited with 0 +++ [pid 6351] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6350] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6351] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6350] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] unlink("./35/binderfs" [pid 6351] ftruncate(4, 33554441 [pid 6350] <... futex resumed>) = 0 [pid 6350] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... unlink resumed>) = 0 [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./36/file0", [pid 5831] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5833] <... openat resumed>) = 4 [pid 5832] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(4, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] getdents64(4, [pid 5832] getdents64(3, [pid 5831] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5833] getdents64(4, [pid 5832] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./36/binderfs" [pid 5833] close(4 [pid 5832] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] rmdir("./36/file0" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] unlink("./35/binderfs") = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [ 81.629990][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 81.657308][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 81.670957][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5833] close(3) = 0 [pid 5832] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./36" [pid 6351] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6350] <... futex resumed>) = 0 [pid 6351] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... futex resumed>) = 0 [pid 6351] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6350] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... unlinkat resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6351] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6350] <... futex resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6351] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] exit_group(0 [pid 5833] <... rmdir resumed>) = 0 [pid 6351] <... futex resumed>) = ? [pid 6350] <... exit_group resumed>) = ? [pid 5830] <... openat resumed>) = 4 [pid 6351] +++ exited with 0 +++ [pid 6350] +++ exited with 0 +++ [pid 5833] mkdir("./37", 0777 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6350, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./36/file0", [pid 5830] rmdir("./35/file0" [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3 [pid 5832] newfstatat(AT_FDCWD, "./35/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] rmdir("./35" [pid 5829] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./37/binderfs") = 0 [pid 5830] mkdir("./36", 0777 [pid 5829] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... mkdir resumed>) = 0 [pid 5832] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5832] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 5832] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] close(4 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./36/file0" [pid 5832] close(4 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5832] rmdir("./35/file0" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(3./strace-static-x86_64: Process 6354 attached [pid 5832] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 6354] set_robust_list(0x5555832d26a0, 24 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./36" [pid 6354] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6354 [pid 5832] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6354] chdir("./37" [pid 5832] <... close resumed>) = 0 [pid 5831] mkdir("./37", 0777 [pid 5832] rmdir("./35" [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6354] <... chdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] mkdir("./36", 0777 [pid 6354] <... prctl resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... ioctl resumed>) = 0 [pid 6354] setpgid(0, 0 [pid 5830] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6354] <... setpgid resumed>) = 0 [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... ioctl resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5831] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6354] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6354] write(3, "1000", 4 [pid 5832] <... close resumed>) = 0 [pid 6354] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 6354] close(3) = 0 [pid 6354] symlink("/dev/binderfs", "./binderfs" [ 81.691139][ T11] hfsplus: b-tree write err: -5, ino 4 [ 81.729631][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6355 attached [pid 6354] <... symlink resumed>) = 0 [pid 6354] write(1, "executing program\n", 18) = 18 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6356 attached [pid 6355] set_robust_list(0x5555832d26a0, 24 [pid 6354] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6355 [pid 6355] chdir("./37" [pid 6354] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6356] set_robust_list(0x5555832d26a0, 24 [pid 6355] <... chdir resumed>) = 0 [pid 6354] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6356 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6356] chdir("./36" [pid 6355] <... prctl resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... close resumed>) = 0 [pid 6355] setpgid(0, 0 [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] <... chdir resumed>) = 0 [pid 6355] <... setpgid resumed>) = 0 [pid 6354] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6356] <... prctl resumed>) = 0 [pid 6354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6356] setpgid(0, 0 [pid 6355] <... openat resumed>) = 3 [pid 6356] <... setpgid resumed>) = 0 [pid 6354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = 0 [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] write(3, "1000", 4) = 4 [pid 6356] <... openat resumed>) = 3 [pid 6355] close(3 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6357 attached [pid 6355] <... close resumed>) = 0 [pid 5829] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6357 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6358 attached [pid 6357] set_robust_list(0x5555832d26a0, 24 [pid 6356] write(3, "1000", 4 [pid 6355] symlink("/dev/binderfs", "./binderfs" [pid 5829] newfstatat(AT_FDCWD, "./37/file0", [pid 6357] <... set_robust_list resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6357] chdir("./36" [pid 5829] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6357] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6357] <... prctl resumed>) = 0 [pid 6358] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6357] setpgid(0, 0 [pid 6356] <... write resumed>) = 4 [pid 6355] <... symlink resumed>) = 0 [pid 6354] <... clone3 resumed> => {parent_tid=[6358]}, 88) = 6358 [pid 5829] <... openat resumed>) = 4 executing program [pid 6357] <... setpgid resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6358] <... rseq resumed>) = 0 [pid 6356] close(3 [pid 6355] write(1, "executing program\n", 18 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6356] <... close resumed>) = 0 [pid 6355] <... write resumed>) = 18 [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] <... openat resumed>) = 3 [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6355] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(4, [pid 6357] write(3, "1000", 4 [pid 6356] <... symlink resumed>) = 0 [pid 6355] <... futex resumed>) = 0 executing program [pid 6354] <... futex resumed>) = 0 [pid 6357] <... write resumed>) = 4 [pid 6355] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6354] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6358] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6357] close(3 [pid 6356] write(1, "executing program\n", 18 [pid 6355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] getdents64(4, [pid 6358] <... set_robust_list resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 6356] <... write resumed>) = 18 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] symlink("/dev/binderfs", "./binderfs" [pid 6355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] close(4 [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] memfd_create("syzkaller", 0 [pid 6357] <... symlink resumed>) = 0 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 6358] <... memfd_create resumed>) = 3 [pid 6356] <... futex resumed>) = 0 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] rmdir("./37/file0" [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6355] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6358] <... mmap resumed>) = 0x7f3f93e00000 [pid 6356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6355] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6355] <... mprotect resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6357] write(1, "executing program\n", 18 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] getdents64(3, [pid 6357] <... write resumed>) = 18 [pid 6356] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6357] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] <... mprotect resumed>) = 0 [pid 6355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6359 attached [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6358] <... write resumed>) = 524288 [pid 6357] <... futex resumed>) = 0 [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] close(3 [pid 6359] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6355] <... clone3 resumed> => {parent_tid=[6359]}, 88) = 6359 ./strace-static-x86_64: Process 6360 attached [pid 6359] <... rseq resumed>) = 0 [pid 6357] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... close resumed>) = 0 [pid 6359] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6357] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6356] <... clone3 resumed> => {parent_tid=[6360]}, 88) = 6360 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] rmdir("./37" [pid 6359] <... set_robust_list resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6355] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] <... futex resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] mkdir("./38", 0777 [pid 6360] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6359] memfd_create("syzkaller", 0 [pid 6357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] <... futex resumed>) = 0 [pid 6360] <... rseq resumed>) = 0 [pid 6359] <... memfd_create resumed>) = 3 [pid 6357] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6356] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6360] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6358] munmap(0x7f3f93e00000, 138412032 [pid 6357] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] <... mmap resumed>) = 0x7f3f93e00000 [pid 6358] <... munmap resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] <... mprotect resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6360] memfd_create("syzkaller", 0 [pid 6357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] <... memfd_create resumed>) = 3 [pid 6357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6358] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6360] <... mmap resumed>) = 0x7f3f93e00000 [pid 6358] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6361 attached [pid 6360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6358] ioctl(4, LOOP_SET_FD, 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6361] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6357] <... clone3 resumed> => {parent_tid=[6361]}, 88) = 6361 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6361] <... rseq resumed>) = 0 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5829] <... close resumed>) = 0 [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... write resumed>) = 524288 [pid 6357] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... write resumed>) = 524288 [pid 6361] memfd_create("syzkaller", 0 [pid 6359] munmap(0x7f3f93e00000, 138412032 [pid 6358] <... ioctl resumed>) = 0 [pid 6357] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6357] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6361] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6362 attached [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] <... munmap resumed>) = 0 [pid 6361] <... mmap resumed>) = 0x7f3f93e00000 [pid 6360] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6359] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6358] close(3 [pid 6359] <... openat resumed>) = 4 [pid 6358] <... close resumed>) = 0 [pid 6359] ioctl(4, LOOP_SET_FD, 3 [pid 6358] close(4 [pid 6362] set_robust_list(0x5555832d26a0, 24 [pid 6361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6358] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6362 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6358] mkdir("./file0", 0777 [pid 6362] chdir("./38") = 0 [pid 6358] <... mkdir resumed>) = 0 [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6362] setpgid(0, 0 [pid 6360] <... openat resumed>) = 4 [pid 6358] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6360] ioctl(4, LOOP_SET_FD, 3 [pid 6362] <... setpgid resumed>) = 0 [pid 6360] <... ioctl resumed>) = 0 [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] <... write resumed>) = 524288 [pid 6359] <... ioctl resumed>) = 0 [pid 6358] <... mount resumed>) = 0 [pid 6362] <... openat resumed>) = 3 [pid 6362] write(3, "1000", 4) = 4 [pid 6358] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6362] close(3 [pid 6358] <... openat resumed>) = 3 [pid 6362] <... close resumed>) = 0 [pid 6358] chdir("./file0" [pid 6362] symlink("/dev/binderfs", "./binderfs" [pid 6359] close(3 [pid 6358] <... chdir resumed>) = 0 [pid 6360] close(3 [pid 6359] <... close resumed>) = 0 [pid 6358] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6362] <... symlink resumed>) = 0 [pid 6361] munmap(0x7f3f93e00000, 138412032 [pid 6360] <... close resumed>) = 0 executing program [pid 6359] close(4 [pid 6358] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6362] write(1, "executing program\n", 18 [pid 6361] <... munmap resumed>) = 0 [pid 6360] close(4 [pid 6358] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... write resumed>) = 18 [pid 6358] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6362] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6354] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = 0 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] <... futex resumed>) = 0 [pid 6361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6360] mkdir("./file0", 0777 [pid 6358] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6354] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] <... futex resumed>) = 0 [pid 6361] <... openat resumed>) = 4 [pid 6360] <... mkdir resumed>) = 0 [pid 6358] <... openat resumed>) = 4 [pid 6362] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6358] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [ 81.849807][ T6358] loop4: detected capacity change from 0 to 1024 [ 81.881720][ T6359] loop2: detected capacity change from 0 to 1024 [ 81.892856][ T6360] loop3: detected capacity change from 0 to 1024 [pid 6361] ioctl(4, LOOP_SET_FD, 3 [pid 6358] <... futex resumed>) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6354] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6360] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6359] <... close resumed>) = 0 [pid 6358] ftruncate(4, 33554441 [pid 6359] mkdir("./file0", 0777 [pid 6362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... mkdir resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6359] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6354] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6361] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6363 attached [pid 6360] <... mount resumed>) = 0 [pid 6362] <... clone3 resumed> => {parent_tid=[6363]}, 88) = 6363 [pid 6363] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6361] close(3 [pid 6360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6362] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... close resumed>) = 0 [pid 6360] <... openat resumed>) = 3 [pid 6361] close(4 [pid 6360] chdir("./file0" [pid 6361] <... close resumed>) = 0 [pid 6360] <... chdir resumed>) = 0 [pid 6361] mkdir("./file0", 0777 [pid 6360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6362] <... futex resumed>) = 0 [pid 6361] <... mkdir resumed>) = 0 [pid 6360] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6360] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6356] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6360] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6356] <... futex resumed>) = 0 [pid 6363] <... rseq resumed>) = 0 [pid 6362] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6360] <... openat resumed>) = 4 [pid 6356] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6360] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... mount resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6356] <... futex resumed>) = 0 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6360] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] <... openat resumed>) = 3 [ 81.919310][ T6361] loop1: detected capacity change from 0 to 1024 [pid 6356] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] memfd_create("syzkaller", 0 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] chdir("./file0" [pid 6356] <... futex resumed>) = 0 [pid 6360] ftruncate(4, 33554441 [pid 6359] <... chdir resumed>) = 0 [pid 6356] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] <... memfd_create resumed>) = 3 [pid 6363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6361] <... mount resumed>) = 0 [pid 6359] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6363] <... mmap resumed>) = 0x7f3f93e00000 [pid 6361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6359] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6361] <... openat resumed>) = 3 [pid 6359] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] chdir("./file0" [pid 6359] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6361] <... chdir resumed>) = 0 [pid 6359] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6355] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6359] <... openat resumed>) = 4 [pid 6355] <... futex resumed>) = 0 [pid 6361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6361] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 0 [pid 6361] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 0 [pid 6361] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6359] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6361] <... openat resumed>) = 4 [pid 6357] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6363] <... write resumed>) = 524288 [pid 6361] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] ftruncate(4, 33554441 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6363] munmap(0x7f3f93e00000, 138412032 [pid 6361] <... futex resumed>) = 0 [pid 6357] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... futex resumed>) = 0 [pid 6354] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] ftruncate(4, 33554441 [pid 6358] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6355] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... futex resumed>) = 0 [pid 6363] <... munmap resumed>) = 0 [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6360] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6358] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6363] <... openat resumed>) = 4 [pid 6354] mprotect(0x7f3f9c23c000, 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6364]}, 88) = 6364 [pid 6354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 6354] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6356] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 ./strace-static-x86_64: Process 6364 attached [pid 6356] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6365 attached [pid 6364] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6364] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6365] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6365] <... rseq resumed>) = 0 [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... clone3 resumed> => {parent_tid=[6365]}, 88) = 6365 [pid 6365] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6364] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... unlinkat resumed>) = 0 [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6365] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6356] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... unlinkat resumed>) = 0 [pid 6363] <... ioctl resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6364] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6354] <... futex resumed>) = 0 [pid 6354] exit_group(0 [pid 6360] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... exit_group resumed>) = ? [pid 6365] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6364] +++ exited with 0 +++ [pid 6356] <... futex resumed>) = 0 [pid 6356] exit_group(0) = ? [pid 6365] +++ exited with 0 +++ [pid 6358] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 6360] <... futex resumed>) = ? [pid 6361] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6360] +++ exited with 0 +++ [pid 6356] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6361] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6361] <... futex resumed>) = 1 [pid 5833] getdents64(3, [pid 6361] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6357] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./37/binderfs" [pid 6363] close(3 [pid 6357] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... unlink resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6357] <... futex resumed>) = 1 [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] close(4 [pid 6361] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6359] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6357] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6363] mkdir("./file0", 0777 [pid 6355] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... mkdir resumed>) = 0 [pid 6361] <... unlinkat resumed>) = 0 [pid 6355] <... futex resumed>) = 0 [pid 5832] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6361] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6361] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 0 [pid 6355] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6363] <... mount resumed>) = 0 [pid 6361] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6357] exit_group(0 [pid 6355] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6361] <... futex resumed>) = ? [pid 6357] <... exit_group resumed>) = ? [pid 6361] +++ exited with 0 +++ [pid 6357] +++ exited with 0 +++ [pid 6355] <... mprotect resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] newfstatat(3, "", [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6357, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6359] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6359] <... futex resumed>) = 0 [pid 6355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] getdents64(3, ./strace-static-x86_64: Process 6366 attached [pid 6363] chdir("./file0" [pid 6359] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6366] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6363] <... chdir resumed>) = 0 [pid 6355] <... clone3 resumed> => {parent_tid=[6366]}, 88) = 6366 [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] <... rseq resumed>) = 0 [pid 6363] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6366] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6363] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5830] <... openat resumed>) = 3 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6363] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./37/file0", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(3, "", [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./36/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6362] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 6366] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6363] <... openat resumed>) = 4 [pid 6362] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6362] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6366] <... unlinkat resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 82.033409][ T6363] loop0: detected capacity change from 0 to 1024 [ 82.062971][ T1141] hfsplus: b-tree write err: -5, ino 4 [pid 5830] newfstatat(AT_FDCWD, "./36/binderfs", [pid 6363] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 5830] unlink("./36/binderfs" [pid 6363] ftruncate(4, 33554441 [pid 6362] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... unlink resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6362] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 4 [pid 6366] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 6366] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6366] <... futex resumed>) = ? [pid 6355] <... exit_group resumed>) = ? [pid 5833] getdents64(4, [pid 6366] +++ exited with 0 +++ [pid 6359] <... futex resumed>) = ? [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6359] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./37/file0" [pid 5831] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 5831] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5833] rmdir("./37" [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6363] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] mkdir("./38", 0777 [pid 5832] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6363] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./36/file0", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6363] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6362] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./37/binderfs" [pid 6362] <... futex resumed>) = 0 [ 82.102291][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 82.108902][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./36/file0", [pid 6363] <... unlinkat resumed>) = 0 [pid 6362] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 6363] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 6363] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] exit_group(0 [pid 5832] <... openat resumed>) = 4 [pid 6363] <... futex resumed>) = ? [pid 6362] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6363] +++ exited with 0 +++ [pid 6362] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6362, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] close(4 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] rmdir("./36/file0" [pid 5832] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5830] getdents64(3, [pid 5832] rmdir("./36/file0") = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5832] getdents64(3, [pid 5830] rmdir("./36" [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./36") = 0 [pid 5830] mkdir("./37", 0777 [pid 5832] mkdir("./37", 0777 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(3, "", [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5829] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5831] newfstatat(AT_FDCWD, "./37/file0", ./strace-static-x86_64: Process 6367 attached [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6367] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6367 [ 82.167753][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./38/binderfs"./strace-static-x86_64: Process 6368 attached [pid 6367] <... set_robust_list resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] chdir("./38" [pid 5831] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6368 [pid 5829] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6368] set_robust_list(0x5555832d26a0, 24 [pid 5831] newfstatat(4, "", [pid 6368] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6369 attached [pid 6368] chdir("./37" [pid 6367] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6369 [pid 6367] <... prctl resumed>) = 0 [pid 5831] getdents64(4, [pid 6369] set_robust_list(0x5555832d26a0, 24 [pid 6367] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6367] <... setpgid resumed>) = 0 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6369] chdir("./37" [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] getdents64(4, [pid 6369] <... chdir resumed>) = 0 [pid 6367] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6367] write(3, "1000", 4 [pid 5831] close(4 [pid 6367] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 6367] close(3 [pid 5831] rmdir("./37/file0" [pid 6368] <... chdir resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6369] setpgid(0, 0) = 0 [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] symlink("/dev/binderfs", "./binderfs"executing program [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] <... symlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6369] <... openat resumed>) = 3 [pid 6369] write(3, "1000", 4) = 4 [pid 6369] close(3) = 0 [pid 6369] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6369] write(1, "executing program\n", 18) = 18 [pid 6369] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... prctl resumed>) = 0 [pid 6367] write(1, "executing program\n", 18 [pid 6369] <... futex resumed>) = 0 [pid 6369] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, executing program NULL, 8) = 0 [pid 6369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6368] setpgid(0, 0 [pid 6367] <... write resumed>) = 18 [pid 5831] getdents64(3, [pid 6368] <... setpgid resumed>) = 0 [pid 6367] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6367] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6368] <... openat resumed>) = 3 [pid 6367] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 6368] write(3, "1000", 4 [pid 6367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] rmdir("./37" [pid 6368] <... write resumed>) = 4 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6369] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6368] close(3 [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6368] <... close resumed>) = 0 [pid 6367] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] mkdir("./38", 0777 [pid 6368] symlink("/dev/binderfs", "./binderfs" [pid 6367] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... mkdir resumed>) = 0 [pid 6369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6368] <... symlink resumed>) = 0 [pid 6367] <... mprotect resumed>) = 0 executing program [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6368] write(1, "executing program\n", 18 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6370 attached [pid 6368] <... write resumed>) = 18 [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6370] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6369] <... clone3 resumed> => {parent_tid=[6370]}, 88) = 6370 [pid 6368] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6370] <... rseq resumed>) = 0 [pid 6369] rt_sigprocmask(SIG_SETMASK, [], [pid 6368] <... futex resumed>) = 0 [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] close(3./strace-static-x86_64: Process 6371 attached [pid 6370] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6371] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6369] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6371] <... rseq resumed>) = 0 [pid 6371] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... close resumed>) = 0 [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... umount2 resumed>) = 0 [pid 6370] rt_sigprocmask(SIG_SETMASK, [], [pid 6368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6367] <... clone3 resumed> => {parent_tid=[6371]}, 88) = 6371 [ 82.230231][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6370] memfd_create("syzkaller", 0 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6372 attached [pid 6370] <... memfd_create resumed>) = 3 [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6367] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] set_robust_list(0x5555832d26a0, 24 [pid 6371] <... futex resumed>) = 0 [pid 6370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6368] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6367] <... futex resumed>) = 1 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6372 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] memfd_create("syzkaller", 0 [pid 6370] <... mmap resumed>) = 0x7f3f93e00000 [pid 6368] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6367] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] newfstatat(AT_FDCWD, "./38/file0", [pid 6368] <... mprotect resumed>) = 0 [pid 6371] <... memfd_create resumed>) = 3 [pid 6371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] chdir("./38" [pid 6371] <... mmap resumed>) = 0x7f3f93e00000 [pid 6372] <... chdir resumed>) = 0 [pid 5829] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6372] <... prctl resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... openat resumed>) = 4 [pid 6370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 6373 attached [pid 6372] setpgid(0, 0 [pid 6371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] newfstatat(4, "", [pid 6373] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6372] <... setpgid resumed>) = 0 [pid 6370] <... write resumed>) = 524288 [pid 6368] <... clone3 resumed> => {parent_tid=[6373]}, 88) = 6373 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6373] <... rseq resumed>) = 0 [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6370] munmap(0x7f3f93e00000, 138412032 [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] getdents64(4, [pid 6373] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6372] <... openat resumed>) = 3 [pid 6371] <... write resumed>) = 524288 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] write(3, "1000", 4 [pid 6368] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] getdents64(4, [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] <... write resumed>) = 4 [pid 6368] <... futex resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] close(3 [pid 6371] munmap(0x7f3f93e00000, 138412032 [pid 6368] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] close(4 [pid 6373] memfd_create("syzkaller", 0 [pid 6372] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6372] symlink("/dev/binderfs", "./binderfs" [pid 5829] rmdir("./38/file0" [pid 6373] <... memfd_create resumed>) = 3 [pid 6372] <... symlink resumed>) = 0 [pid 6371] <... munmap resumed>) = 0 [pid 6370] <... munmap resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] write(1, "executing program\n", 18 [pid 6373] <... mmap resumed>) = 0x7f3f93e00000 executing program [pid 6372] <... write resumed>) = 18 [pid 6371] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6370] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] getdents64(3, [pid 6372] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... openat resumed>) = 4 [pid 6370] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6372] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] close(3 [pid 6372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6370] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... close resumed>) = 0 [pid 6373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6373] <... write resumed>) = 524288 [pid 6373] munmap(0x7f3f93e00000, 138412032 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6371] <... ioctl resumed>) = 0 [pid 6370] <... ioctl resumed>) = 0 [pid 5829] rmdir("./38" [pid 6373] <... munmap resumed>) = 0 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] close(3 [pid 6370] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6371] <... close resumed>) = 0 [pid 5829] mkdir("./39", 0777 [pid 6373] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6372] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6371] close(4 [pid 6370] <... close resumed>) = 0 [pid 6373] <... openat resumed>) = 4 [pid 6370] close(4 [pid 5829] <... mkdir resumed>) = 0 [pid 6372] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6371] <... close resumed>) = 0 [pid 6370] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6372] <... mprotect resumed>) = 0 [pid 6371] mkdir("./file0", 0777 [pid 5829] <... openat resumed>) = 3 [pid 6373] ioctl(4, LOOP_SET_FD, 3 [pid 6372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6371] <... mkdir resumed>) = 0 [pid 6370] mkdir("./file0", 0777 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... close resumed>) = 0 [pid 6371] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6372] <... clone3 resumed> => {parent_tid=[6374]}, 88) = 6374 [pid 6372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6374 attached [pid 6372] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... mkdir resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6370] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6372] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6374] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6374] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6374] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] <... ioctl resumed>) = 0 [pid 6374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] memfd_create("syzkaller", 0 [pid 6373] close(3 [pid 6371] <... mount resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] <... memfd_create resumed>) = 3 [pid 6373] <... close resumed>) = 0 [pid 6374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6373] close(4./strace-static-x86_64: Process 6375 attached [pid 6374] <... mmap resumed>) = 0x7f3f93e00000 [pid 6373] <... close resumed>) = 0 [pid 6371] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6373] mkdir("./file0", 0777 [pid 6375] set_robust_list(0x5555832d26a0, 24 [pid 6371] <... openat resumed>) = 3 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6371] chdir("./file0" [pid 6375] chdir("./39" [pid 6371] <... chdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6375 [pid 6371] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6375] <... chdir resumed>) = 0 [pid 6371] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6371] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] setpgid(0, 0 [pid 6373] <... mkdir resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6375] <... setpgid resumed>) = 0 [pid 6373] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6371] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6367] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] <... openat resumed>) = 4 [pid 6367] <... futex resumed>) = 0 [pid 6367] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... openat resumed>) = 3 [pid 6375] write(3, "1000", 4 [pid 6371] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... mount resumed>) = 0 [pid 6375] <... write resumed>) = 4 [pid 6371] <... futex resumed>) = 1 [pid 6370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6367] <... futex resumed>) = 0 [pid 6375] close(3 [pid 6371] ftruncate(4, 33554441 [pid 6367] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... close resumed>) = 0 [pid 6370] <... openat resumed>) = 3 [pid 6367] <... futex resumed>) = 0 [pid 6375] symlink("/dev/binderfs", "./binderfs" [pid 6370] chdir("./file0" [pid 6367] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... chdir resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 executing program [pid 6375] write(1, "executing program\n", 18) = 18 [pid 6375] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6375] <... futex resumed>) = 0 [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6370] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6375] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6376 attached [pid 6374] <... write resumed>) = 524288 [pid 6373] <... mount resumed>) = 0 [pid 6370] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... clone3 resumed> => {parent_tid=[6376]}, 88) = 6376 [ 82.329784][ T6371] loop4: detected capacity change from 0 to 1024 [ 82.336068][ T6370] loop3: detected capacity change from 0 to 1024 [ 82.363141][ T6373] loop1: detected capacity change from 0 to 1024 [pid 6376] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... rseq resumed>) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6375] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6374] munmap(0x7f3f93e00000, 138412032 [pid 6373] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6373] <... openat resumed>) = 3 [pid 6369] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6369] <... futex resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6369] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] <... munmap resumed>) = 0 [pid 6373] chdir("./file0" [pid 6370] <... openat resumed>) = 4 [pid 6376] memfd_create("syzkaller", 0) = 3 [pid 6376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6374] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6373] <... chdir resumed>) = 0 [pid 6370] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... openat resumed>) = 4 [pid 6373] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 0 [pid 6374] ioctl(4, LOOP_SET_FD, 3 [pid 6373] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6370] ftruncate(4, 33554441 [pid 6369] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... write resumed>) = 524288 [pid 6376] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 6373] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6367] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6371] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6369] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] <... futex resumed>) = 0 [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6373] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6368] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6371] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6371] <... futex resumed>) = 0 [pid 6367] <... mprotect resumed>) = 0 [pid 6371] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6377]}, 88) = 6377 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6367] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6367] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6377 attached [pid 6377] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6377] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6377] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6377] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... openat resumed>) = 4 [pid 6377] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6373] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] exit_group(0 [pid 6373] <... futex resumed>) = 1 [pid 6371] <... futex resumed>) = ? [pid 6368] <... futex resumed>) = 0 [pid 6367] <... exit_group resumed>) = ? [pid 6373] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] +++ exited with 0 +++ [pid 6368] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] ftruncate(4, 33554441 [pid 6368] <... futex resumed>) = 0 [pid 6377] +++ exited with 0 +++ [pid 6368] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6376] <... ioctl resumed>) = 0 [pid 6376] close(3) = 0 [pid 6376] close(4) = 0 [pid 6376] mkdir("./file0", 0777) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6374] <... ioctl resumed>) = 0 [pid 6374] close(3 [pid 5833] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 6376] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6374] <... close resumed>) = 0 [pid 5833] unlink("./38/binderfs") = 0 [pid 6374] close(4 [ 82.437619][ T6374] loop2: detected capacity change from 0 to 1024 [ 82.441837][ T6376] loop0: detected capacity change from 0 to 1024 [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6374] <... close resumed>) = 0 [pid 6374] mkdir("./file0", 0777 [pid 6369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6374] <... mkdir resumed>) = 0 [pid 6369] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6374] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... mount resumed>) = 0 [pid 6369] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6369] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6369] <... mprotect resumed>) = 0 [pid 6376] <... openat resumed>) = 3 [pid 6369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6376] chdir("./file0" [pid 6369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6376] <... chdir resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6378 attached [pid 6376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6369] <... clone3 resumed> => {parent_tid=[6378]}, 88) = 6378 [pid 6369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6369] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6369] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6376] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6376] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 0 [pid 6376] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6375] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6378] <... rseq resumed>) = 0 [pid 6376] <... openat resumed>) = 4 [pid 6368] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6376] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6376] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] ftruncate(4, 33554441 [pid 6375] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6375] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6368] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6368] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6378] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6370] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6368] <... mprotect resumed>) = 0 [pid 6378] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6378] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6378] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] <... mount resumed>) = 0 [pid 6370] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] exit_group(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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6378] <... futex resumed>) = ? [pid 6370] <... futex resumed>) = ? [pid 6369] <... exit_group resumed>) = ? [pid 6378] +++ exited with 0 +++ ./strace-static-x86_64: Process 6379 attached [pid 6370] +++ exited with 0 +++ [pid 6379] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6374] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6369] +++ exited with 0 +++ [pid 6368] <... clone3 resumed> => {parent_tid=[6379]}, 88) = 6379 [pid 6374] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6369, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6374] chdir("./file0") = 0 [ 82.496377][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5832] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 6379] <... rseq resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6373] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6374] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6373] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6374] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6368] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(3, "", [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6374] <... futex resumed>) = 1 [pid 6373] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... futex resumed>) = 0 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6374] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6379] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6372] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] getdents64(3, [pid 6379] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6379] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 5832] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6379] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] <... futex resumed>) = 1 [pid 6368] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6373] <... futex resumed>) = ? [pid 6372] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] <... exit_group resumed>) = ? [pid 5832] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6379] <... futex resumed>) = ? [pid 6373] +++ exited with 0 +++ [pid 5833] newfstatat(AT_FDCWD, "./38/file0", [pid 6379] +++ exited with 0 +++ [pid 6375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6374] <... futex resumed>) = 0 [pid 6368] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6375] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... openat resumed>) = 4 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] unlink("./37/binderfs" [pid 5830] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6375] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... unlink resumed>) = 0 [pid 6375] <... mprotect resumed>) = 0 [pid 5832] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6374] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 4 [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6374] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 5833] newfstatat(4, "", [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6374] ftruncate(4, 33554441 [pid 6372] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6380 attached [pid 6372] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] newfstatat(3, "", [pid 6380] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6380] <... rseq resumed>) = 0 [pid 5833] getdents64(4, [pid 6375] <... clone3 resumed> => {parent_tid=[6380]}, 88) = 6380 [pid 6372] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] getdents64(3, [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6375] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6380] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6375] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6380] <... set_robust_list resumed>) = 0 [pid 5833] close(4 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... close resumed>) = 0 [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] rmdir("./38/file0" [pid 6380] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./37/binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6380] <... unlinkat resumed>) = 0 [pid 5833] getdents64(3, [pid 6380] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6380] <... futex resumed>) = 1 [pid 5833] close(3 [pid 6380] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] <... close resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./38" [pid 6376] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] exit_group(0 [pid 6380] <... futex resumed>) = ? [pid 6375] <... exit_group resumed>) = ? [pid 6380] +++ exited with 0 +++ [pid 5833] <... rmdir resumed>) = 0 [pid 6376] <... futex resumed>) = ? [pid 6374] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] mkdir("./39", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6376] +++ exited with 0 +++ [pid 6375] +++ exited with 0 +++ [pid 6374] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6374] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6372] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6372] <... futex resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./37/file0", [pid 5833] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6372] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6374] <... unlinkat resumed>) = 0 [pid 5832] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 4 [pid 6374] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6374] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5830] newfstatat(AT_FDCWD, "./37/file0", [pid 5829] <... openat resumed>) = 3 [pid 6374] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] exit_group(0 [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6374] <... futex resumed>) = ? [pid 6372] <... exit_group resumed>) = ? [pid 5832] getdents64(4, [pid 5829] newfstatat(3, "", [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5830] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 4 [ 82.610315][ T35] hfsplus: b-tree write err: -5, ino 4 [ 82.616139][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6374] +++ exited with 0 +++ [pid 6372] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5832] close(4 [pid 5830] newfstatat(4, "", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6372, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6381 attached [pid 5832] rmdir("./37/file0" [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5831] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6381 [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5829] unlink("./39/binderfs" [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] rmdir("./37/file0" [pid 5829] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... rmdir resumed>) = 0 [pid 6381] set_robust_list(0x5555832d26a0, 24 [pid 5832] rmdir("./37" [pid 6381] <... set_robust_list resumed>) = 0 [pid 6381] chdir("./39" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6381] <... chdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] getdents64(3, [pid 6381] setpgid(0, 0) = 0 [pid 5832] mkdir("./38", 0777 [pid 5831] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 6381] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5830] <... close resumed>) = 0 [pid 6381] write(3, "1000", 4 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./37" [pid 6381] <... write resumed>) = 4 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] unlink("./38/binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 6381] close(3 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5832] close(3 [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./38", 0777 [pid 6381] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6381] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6381] <... symlink resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3executing program [pid 6381] write(1, "executing program\n", 18 [pid 5830] <... close resumed>) = 0 [pid 6381] <... write resumed>) = 18 [pid 6381] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6382 attached [pid 6381] <... futex resumed>) = 0 [pid 6382] set_robust_list(0x5555832d26a0, 24 [pid 6381] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6382 [pid 6381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6382] chdir("./38" [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] <... chdir resumed>) = 0 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6383 attached [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6381] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6382] setpgid(0, 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6383 [pid 6382] <... setpgid resumed>) = 0 [pid 6381] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6383] set_robust_list(0x5555832d26a0, 24 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6381] <... mprotect resumed>) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6383] chdir("./38" [pid 6381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] write(3, "1000", 4 [pid 6381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6383] <... chdir resumed>) = 0 [pid 6382] <... write resumed>) = 4 [pid 6381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6384 attached [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] close(3 [pid 6383] <... prctl resumed>) = 0 [pid 6381] <... clone3 resumed> => {parent_tid=[6384]}, 88) = 6384 [pid 6384] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] setpgid(0, 0 [pid 6382] <... close resumed>) = 0 [pid 6382] symlink("/dev/binderfs", "./binderfs" [pid 6383] <... setpgid resumed>) = 0 executing program [pid 6382] <... symlink resumed>) = 0 [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] write(1, "executing program\n", 18 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] <... openat resumed>) = 3 [pid 6382] <... write resumed>) = 18 [pid 6381] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... rseq resumed>) = 0 [pid 6383] write(3, "1000", 4 [pid 6382] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = 0 [pid 6384] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6383] <... write resumed>) = 4 [pid 6381] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] close(3 [pid 6382] <... futex resumed>) = 0 [ 82.690757][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 82.708755][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6383] <... close resumed>) = 0 [pid 6382] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6383] symlink("/dev/binderfs", "./binderfs" [pid 6382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6383] <... symlink resumed>) = 0 [pid 6382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6384] memfd_create("syzkaller", 0 [pid 6382] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6384] <... memfd_create resumed>) = 3 [pid 6382] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6382] <... mprotect resumed>) = 0 executing program [pid 6384] <... mmap resumed>) = 0x7f3f93e00000 [pid 6383] write(1, "executing program\n", 18 [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6383] <... write resumed>) = 18 [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6383] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6385 attached [pid 6384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6383] <... futex resumed>) = 0 [pid 6383] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6382] <... clone3 resumed> => {parent_tid=[6385]}, 88) = 6385 [pid 6383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6382] <... futex resumed>) = 0 [pid 6383] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6382] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6383] <... mprotect resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] newfstatat(AT_FDCWD, "./38/file0", [pid 5829] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6385] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6385] <... rseq resumed>) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6386 attached [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6383] <... clone3 resumed> => {parent_tid=[6386]}, 88) = 6386 [pid 5831] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6386] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... openat resumed>) = 4 [pid 6386] <... rseq resumed>) = 0 [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] newfstatat(4, "", [pid 6386] <... set_robust_list resumed>) = 0 [pid 6383] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 6385] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6384] <... write resumed>) = 524288 [pid 6383] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./39/file0", [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6383] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] getdents64(4, [pid 6386] memfd_create("syzkaller", 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6386] <... memfd_create resumed>) = 3 [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] memfd_create("syzkaller", 0 [pid 5831] close(4 [pid 6386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6385] <... memfd_create resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6386] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] rmdir("./38/file0") = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 6385] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] rmdir("./38" [pid 5829] <... openat resumed>) = 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] mkdir("./39", 0777 [pid 6385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... mkdir resumed>) = 0 [pid 6386] <... write resumed>) = 524288 [pid 6384] munmap(0x7f3f93e00000, 138412032 [pid 5829] newfstatat(4, "", [pid 6386] munmap(0x7f3f93e00000, 138412032 [pid 6384] <... munmap resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6386] <... munmap resumed>) = 0 [pid 6385] <... write resumed>) = 524288 [pid 6384] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6385] munmap(0x7f3f93e00000, 138412032 [pid 6384] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5829] getdents64(4, [pid 6386] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6384] ioctl(4, LOOP_SET_FD, 3 [pid 6386] <... openat resumed>) = 4 [pid 6385] <... munmap resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6386] ioctl(4, LOOP_SET_FD, 3 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./39/file0" [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6385] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] close(3 [pid 5829] getdents64(3, [pid 6385] <... openat resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6385] ioctl(4, LOOP_SET_FD, 3 [pid 5829] close(3 [pid 6386] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./39") = 0 [pid 5829] mkdir("./40", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6385] <... ioctl resumed>) = 0 [pid 6384] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6385] close(3 [pid 6384] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6385] <... close resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6384] close(4 [pid 5829] close(3 [pid 6386] close(3 [pid 6384] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... close resumed>) = 0 [pid 6386] <... close resumed>) = 0 [pid 6385] close(4) = 0 [pid 6385] mkdir("./file0", 0777) = 0 [pid 6384] mkdir("./file0", 0777 [pid 6386] close(4) = 0 ./strace-static-x86_64: Process 6387 attached [pid 6386] mkdir("./file0", 0777 [pid 6385] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6384] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6387 [pid 6384] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6388 attached [pid 6386] <... mkdir resumed>) = 0 [pid 6388] set_robust_list(0x5555832d26a0, 24 [pid 6387] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6388 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6386] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] chdir("./39" [pid 6388] chdir("./40" [pid 6387] <... chdir resumed>) = 0 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6388] <... chdir resumed>) = 0 [pid 6387] <... prctl resumed>) = 0 [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6387] setpgid(0, 0 [pid 6388] <... prctl resumed>) = 0 [ 82.809798][ T6384] loop4: detected capacity change from 0 to 1024 [ 82.817980][ T6386] loop1: detected capacity change from 0 to 1024 [ 82.826213][ T6385] loop3: detected capacity change from 0 to 1024 [pid 6388] setpgid(0, 0 [pid 6387] <... setpgid resumed>) = 0 [pid 6388] <... setpgid resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] <... mount resumed>) = 0 [pid 6388] write(3, "1000", 4 [pid 6387] <... openat resumed>) = 3 [pid 6385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6388] <... write resumed>) = 4 [pid 6385] <... openat resumed>) = 3 [pid 6388] close(3 [pid 6387] write(3, "1000", 4 [pid 6385] chdir("./file0" [pid 6388] <... close resumed>) = 0 [pid 6387] <... write resumed>) = 4 [pid 6385] <... chdir resumed>) = 0 [pid 6388] symlink("/dev/binderfs", "./binderfs" [pid 6387] close(3 [pid 6385] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6387] <... close resumed>) = 0 [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 6388] <... symlink resumed>) = 0 [pid 6385] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6384] <... mount resumed>) = 0 [pid 6385] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6384] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6387] <... symlink resumed>) = 0 [pid 6385] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... futex resumed>) = 0 executing program [pid 6388] write(1, "executing program\n", 18) = 18 [pid 6388] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, 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) = 0x7f3f9c25c000 executing program [pid 6388] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6384] <... openat resumed>) = 3 [pid 6387] write(1, "executing program\n", 18 [pid 6386] <... mount resumed>) = 0 [pid 6384] chdir("./file0" [pid 6382] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... write resumed>) = 18 [pid 6382] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6387] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6384] <... chdir resumed>) = 0 [pid 6382] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] <... futex resumed>) = 0 [pid 6387] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6384] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6388] <... mprotect resumed>) = 0 [pid 6386] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6385] <... openat resumed>) = 4 [pid 6384] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6389 attached [pid 6387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6388] <... clone3 resumed> => {parent_tid=[6389]}, 88) = 6389 [pid 6388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6389] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6388] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... rseq resumed>) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6389] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6386] <... openat resumed>) = 3 [pid 6384] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] chdir("./file0" [pid 6389] <... set_robust_list resumed>) = 0 [pid 6385] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] <... chdir resumed>) = 0 [pid 6385] <... futex resumed>) = 1 [pid 6384] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6386] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6385] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = 0 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] memfd_create("syzkaller", 0 [pid 6387] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6386] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... memfd_create resumed>) = 3 [pid 6386] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] ftruncate(4, 33554441 [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6386] <... futex resumed>) = 1 [pid 6384] <... openat resumed>) = 4 [pid 6383] <... futex resumed>) = 0 [pid 6382] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... mmap resumed>) = 0x7f3f93e00000 [pid 6389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6386] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6384] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6384] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6386] <... openat resumed>) = 4 [pid 6381] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] ftruncate(4, 33554441 [pid 6383] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... futex resumed>) = 0 [pid 6387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6381] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6390 attached [pid 6390] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6387] <... clone3 resumed> => {parent_tid=[6390]}, 88) = 6390 [pid 6386] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6386] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6390] <... rseq resumed>) = 0 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] ftruncate(4, 33554441 [pid 6383] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6387] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6383] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... set_robust_list resumed>) = 0 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], [pid 6387] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] memfd_create("syzkaller", 0 [pid 6389] <... write resumed>) = 524288 [pid 6389] munmap(0x7f3f93e00000, 138412032 [pid 6390] <... memfd_create resumed>) = 3 [pid 6385] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6389] <... munmap resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6389] <... openat resumed>) = 4 [pid 6389] ioctl(4, LOOP_SET_FD, 3 [pid 6390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6389] <... ioctl resumed>) = 0 [pid 6385] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6382] <... futex resumed>) = 0 [pid 6381] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6382] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6381] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6385] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6382] <... mprotect resumed>) = 0 [pid 6381] <... mprotect resumed>) = 0 [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6391 attached [pid 6381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6382] <... clone3 resumed> => {parent_tid=[6391]}, 88) = 6391 ./strace-static-x86_64: Process 6392 attached [pid 6391] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6386] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6391] <... rseq resumed>) = 0 [pid 6390] <... write resumed>) = 524288 [pid 6389] close(3 [pid 6386] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6383] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] <... clone3 resumed> => {parent_tid=[6392]}, 88) = 6392 [pid 6392] <... rseq resumed>) = 0 [pid 6391] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6390] munmap(0x7f3f93e00000, 138412032 [pid 6389] <... close resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6384] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6390] <... munmap resumed>) = 0 [pid 6389] close(4 [pid 6386] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6390] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6389] <... close resumed>) = 0 [pid 6386] <... unlinkat resumed>) = 0 [pid 6384] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6382] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] <... openat resumed>) = 4 [pid 6381] <... futex resumed>) = 0 [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6389] mkdir("./file0", 0777 [pid 6381] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 1 [pid 6383] exit_group(0) = ? [pid 6392] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6391] <... unlinkat resumed>) = 0 [pid 6390] ioctl(4, LOOP_SET_FD, 3 [pid 6389] <... mkdir resumed>) = 0 [pid 6386] +++ exited with 0 +++ [pid 6383] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6383, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6392] <... unlinkat resumed>) = 0 [pid 6391] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... ioctl resumed>) = 0 [pid 6389] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] <... restart_syscall resumed>) = 0 [pid 6391] <... futex resumed>) = 1 [pid 5830] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6391] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 6382] <... futex resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6382] exit_group(0 [pid 5830] getdents64(3, [pid 6391] <... futex resumed>) = ? [pid 6382] <... exit_group resumed>) = ? [pid 6391] +++ exited with 0 +++ [pid 6385] <... futex resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6390] close(3 [pid 6392] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... close resumed>) = 0 [pid 6385] +++ exited with 0 +++ [pid 6382] +++ exited with 0 +++ [pid 5830] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... futex resumed>) = 1 [pid 6390] close(4 [pid 6381] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6382, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6390] <... close resumed>) = 0 [pid 6381] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6390] mkdir("./file0", 0777 [pid 6381] <... exit_group resumed>) = ? [ 82.975506][ T6389] loop0: detected capacity change from 0 to 1024 [ 83.003052][ T6390] loop2: detected capacity change from 0 to 1024 [pid 5830] unlink("./38/binderfs" [pid 6390] <... mkdir resumed>) = 0 [pid 6389] <... mount resumed>) = 0 [pid 6384] <... futex resumed>) = ? [pid 5832] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6390] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6384] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] +++ exited with 0 +++ [pid 6381] +++ exited with 0 +++ [pid 5832] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6381, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5833] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6389] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5833] newfstatat(3, "", [pid 6389] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] unlink("./38/binderfs" [pid 6389] chdir("./file0" [pid 5833] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 6389] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6389] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6389] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./39/binderfs") = 0 [pid 6389] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6389] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6388] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6388] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... openat resumed>) = 4 [pid 6389] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... mount resumed>) = 0 [pid 6389] <... futex resumed>) = 1 [pid 6390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6389] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] <... openat resumed>) = 3 [pid 6390] chdir("./file0") = 0 [pid 6388] <... futex resumed>) = 0 [pid 6390] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6388] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6390] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6390] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6387] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... openat resumed>) = 4 [pid 6389] <... futex resumed>) = 0 [pid 6388] <... futex resumed>) = 1 [pid 6390] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] ftruncate(4, 33554441 [pid 6388] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6390] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6387] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6390] ftruncate(4, 33554441 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6389] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6389] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] <... futex resumed>) = 0 [pid 6389] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6388] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... unlinkat resumed>) = 0 [ 83.029242][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 83.049693][ T1141] hfsplus: b-tree write err: -5, ino 4 [ 83.061408][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6389] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./39/file0", [pid 5832] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./38/file0", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6389] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6389] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] exit_group(0 [pid 5833] <... openat resumed>) = 4 [pid 5832] newfstatat(AT_FDCWD, "./38/file0", [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6389] <... futex resumed>) = ? [pid 6388] <... exit_group resumed>) = ? [pid 5833] newfstatat(4, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6390] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6390] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 4 [pid 6390] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] +++ exited with 0 +++ [pid 6387] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(4, "", [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6390] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6387] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6390] <... unlinkat resumed>) = 0 [pid 5833] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6390] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] getdents64(4, [pid 6387] <... futex resumed>) = 0 [pid 5833] rmdir("./39/file0" [pid 6390] <... futex resumed>) = 1 [pid 6387] exit_group(0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6387] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(4 [pid 5832] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./38/file0" [pid 5832] close(4) = 0 [pid 5829] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./38/file0") = 0 [pid 5832] getdents64(3, [pid 6390] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(3 [pid 5832] close(3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./39" [pid 5832] rmdir("./38" [pid 5830] close(3 [pid 5829] newfstatat(3, "", [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5831] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./38" [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] mkdir("./40", 0777 [pid 5832] mkdir("./39", 0777 [pid 5829] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] mkdir("./39", 0777 [pid 5829] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... mkdir resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5829] unlink("./40/binderfs" [pid 5833] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... unlink resumed>) = 0 [pid 5831] getdents64(3, [pid 5829] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] close(3 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5831] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(3 [pid 5831] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6393 attached [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6394 attached [pid 6393] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6393 [pid 5831] unlink("./39/binderfs" [pid 5829] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] set_robust_list(0x5555832d26a0, 24 [pid 6393] <... set_robust_list resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6394 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... set_robust_list resumed>) = 0 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 83.152464][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 5829] newfstatat(AT_FDCWD, "./40/file0", [pid 6394] chdir("./39" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6393] chdir("./40" [pid 5829] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6393] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6394] <... chdir resumed>) = 0 [pid 6393] <... prctl resumed>) = 0 [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6393] setpgid(0, 0 [pid 5829] <... openat resumed>) = 4 [pid 6394] <... prctl resumed>) = 0 [pid 6393] <... setpgid resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6394] setpgid(0, 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6395 attached [pid 6394] <... setpgid resumed>) = 0 [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6395 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6393] <... openat resumed>) = 3 [pid 5829] getdents64(4, [pid 6395] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] close(4 [pid 6395] chdir("./39" [pid 5829] <... close resumed>) = 0 [pid 6395] <... chdir resumed>) = 0 [pid 6393] write(3, "1000", 4 [pid 5829] rmdir("./40/file0" [pid 6394] <... openat resumed>) = 3 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6395] setpgid(0, 0) = 0 [pid 6394] write(3, "1000", 4 [pid 5829] <... rmdir resumed>) = 0 [pid 6393] <... write resumed>) = 4 [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] <... write resumed>) = 4 [pid 6393] close(3 [pid 5829] getdents64(3, [pid 6393] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6393] symlink("/dev/binderfs", "./binderfs" executing program [pid 5829] close(3 [pid 6395] <... openat resumed>) = 3 [pid 6394] close(3 [pid 6393] <... symlink resumed>) = 0 [pid 6394] <... close resumed>) = 0 [pid 6393] write(1, "executing program\n", 18 [pid 5829] <... close resumed>) = 0 [pid 6394] symlink("/dev/binderfs", "./binderfs" [pid 6393] <... write resumed>) = 18 [pid 5829] rmdir("./40" [pid 6393] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] write(3, "1000", 4 [pid 6393] <... futex resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6395] <... write resumed>) = 4 [pid 6394] <... symlink resumed>) = 0 [pid 6395] close(3 [pid 6393] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] mkdir("./41", 0777 [pid 6395] <... close resumed>) = 0 [pid 6393] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6395] symlink("/dev/binderfs", "./binderfs"executing program [pid 6393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... mkdir resumed>) = 0 [pid 6395] <... symlink resumed>) = 0 [pid 6394] write(1, "executing program\n", 18 [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6394] <... write resumed>) = 18 executing program [pid 6395] write(1, "executing program\n", 18 [pid 6394] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6394] <... futex resumed>) = 0 [pid 6393] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6395] <... write resumed>) = 18 [pid 5829] <... openat resumed>) = 3 [pid 6393] <... mprotect resumed>) = 0 [pid 6395] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6395] <... futex resumed>) = 0 [pid 6395] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 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) = 0x7f3f9c25c000 [pid 6395] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... ioctl resumed>) = 0 [pid 6393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] close(3 [pid 6394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6395] <... mprotect resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./39/file0", [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6396 attached [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6393] <... clone3 resumed> => {parent_tid=[6396]}, 88) = 6396 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 83.195256][ T35] hfsplus: b-tree write err: -5, ino 4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6394] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6393] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... mprotect resumed>) = 0 [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6397 attached [pid 6396] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6393] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... openat resumed>) = 4 [pid 6396] <... rseq resumed>) = 0 [pid 6395] <... clone3 resumed> => {parent_tid=[6397]}, 88) = 6397 [pid 6394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6393] <... futex resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6396] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6393] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6396] <... set_robust_list resumed>) = 0 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6397] <... rseq resumed>) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6395] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, ./strace-static-x86_64: Process 6398 attached [pid 6397] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6395] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6399 attached [pid 6398] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6396] memfd_create("syzkaller", 0 [pid 6394] <... clone3 resumed> => {parent_tid=[6398]}, 88) = 6398 [pid 6399] set_robust_list(0x5555832d26a0, 24 [pid 6398] <... rseq resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] <... memfd_create resumed>) = 3 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] getdents64(4, [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6399 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6398] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6397] memfd_create("syzkaller", 0 [pid 6396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6399] chdir("./41" [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] <... memfd_create resumed>) = 3 [pid 6396] <... mmap resumed>) = 0x7f3f93e00000 [pid 6394] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(4 [pid 6399] <... chdir resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... close resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] <... futex resumed>) = 0 [pid 5831] rmdir("./39/file0" [pid 6398] memfd_create("syzkaller", 0 [pid 6394] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... rmdir resumed>) = 0 [pid 6398] <... memfd_create resumed>) = 3 [pid 5831] getdents64(3, [pid 6398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6398] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] close(3 [pid 6397] <... mmap resumed>) = 0x7f3f93e00000 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6399] <... prctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./39") = 0 [pid 5831] mkdir("./40", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6399] setpgid(0, 0 [pid 6397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6396] <... write resumed>) = 524288 [pid 5831] <... openat resumed>) = 3 [pid 6399] <... setpgid resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... ioctl resumed>) = 0 [pid 6399] <... openat resumed>) = 3 [pid 5831] close(3 [pid 6399] write(3, "1000", 4) = 4 [pid 6399] close(3) = 0 [pid 6396] munmap(0x7f3f93e00000, 138412032 [pid 5831] <... close resumed>) = 0 [pid 6399] symlink("/dev/binderfs", "./binderfs" [pid 6396] <... munmap resumed>) = 0 executing program [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6399] <... symlink resumed>) = 0 [pid 6396] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6399] write(1, "executing program\n", 18./strace-static-x86_64: Process 6400 attached ) = 18 [pid 6396] <... openat resumed>) = 4 [pid 6399] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... write resumed>) = 524288 [pid 6397] <... write resumed>) = 524288 [pid 6396] ioctl(4, LOOP_SET_FD, 3 [pid 6399] <... futex resumed>) = 0 [pid 6400] set_robust_list(0x5555832d26a0, 24 [pid 6399] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6397] munmap(0x7f3f93e00000, 138412032 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6400 [pid 6399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6400] <... set_robust_list resumed>) = 0 [pid 6397] <... munmap resumed>) = 0 [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6400] chdir("./40" [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] munmap(0x7f3f93e00000, 138412032 [pid 6400] <... chdir resumed>) = 0 [pid 6399] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6398] <... munmap resumed>) = 0 [pid 6397] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6397] <... openat resumed>) = 4 [pid 6400] <... prctl resumed>) = 0 [pid 6399] <... mprotect resumed>) = 0 [pid 6398] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6397] ioctl(4, LOOP_SET_FD, 3 [pid 6400] setpgid(0, 0 [pid 6398] <... openat resumed>) = 4 [pid 6400] <... setpgid resumed>) = 0 [pid 6398] ioctl(4, LOOP_SET_FD, 3 [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6400] <... openat resumed>) = 3 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6401 attached [pid 6400] write(3, "1000", 4 [pid 6401] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6399] <... clone3 resumed> => {parent_tid=[6401]}, 88) = 6401 [pid 6401] <... rseq resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6401] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] <... ioctl resumed>) = 0 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... futex resumed>) = 0 [pid 6397] close(3 [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6397] <... close resumed>) = 0 [pid 6401] memfd_create("syzkaller", 0 [pid 6400] <... write resumed>) = 4 [pid 6397] close(4 [pid 6401] <... memfd_create resumed>) = 3 [pid 6400] close(3 [pid 6401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6400] <... close resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 6397] mkdir("./file0", 0777 [pid 6401] <... mmap resumed>) = 0x7f3f93e00000 [pid 6400] symlink("/dev/binderfs", "./binderfs" [pid 6396] <... ioctl resumed>) = 0 [pid 6400] <... symlink resumed>) = 0 [pid 6397] <... mkdir resumed>) = 0 [pid 6396] close(3executing program [pid 6400] write(1, "executing program\n", 18 [pid 6396] <... close resumed>) = 0 [pid 6400] <... write resumed>) = 18 [pid 6396] close(4 [pid 6400] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6396] <... close resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6396] mkdir("./file0", 0777 [pid 6400] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6396] <... mkdir resumed>) = 0 [pid 6400] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6396] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6397] <... mount resumed>) = 0 [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6397] chdir("./file0") = 0 [pid 6397] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6400] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6400] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6402 attached => {parent_tid=[6402]}, 88) = 6402 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6402] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6402] <... rseq resumed>) = 0 [pid 6400] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6400] <... futex resumed>) = 0 [pid 6400] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6402] <... set_robust_list resumed>) = 0 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6402] memfd_create("syzkaller", 0) = 3 [pid 6402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6398] <... ioctl resumed>) = 0 [pid 6397] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6398] close(3 [pid 6397] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... mount resumed>) = 0 [pid 6397] <... futex resumed>) = 1 [pid 6396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6395] <... futex resumed>) = 0 [pid 6398] <... close resumed>) = 0 [pid 6397] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] <... openat resumed>) = 3 [pid 6395] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] close(4 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] chdir("./file0" [pid 6395] <... futex resumed>) = 0 [pid 6398] <... close resumed>) = 0 [pid 6397] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6396] <... chdir resumed>) = 0 [pid 6395] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6398] mkdir("./file0", 0777 [pid 6396] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 83.320712][ T6396] loop4: detected capacity change from 0 to 1024 [ 83.331736][ T6397] loop3: detected capacity change from 0 to 1024 [ 83.333173][ T6398] loop1: detected capacity change from 0 to 1024 [pid 6396] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... openat resumed>) = 4 [pid 6396] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 0 [pid 6398] <... mkdir resumed>) = 0 [pid 6396] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6393] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... openat resumed>) = 4 [pid 6393] <... futex resumed>) = 0 [pid 6398] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6393] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 1 [pid 6395] <... futex resumed>) = 0 [pid 6397] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6397] ftruncate(4, 33554441 [pid 6396] <... futex resumed>) = 1 [pid 6395] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... futex resumed>) = 0 [pid 6402] <... write resumed>) = 524288 [pid 6396] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6393] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] ftruncate(4, 33554441 [pid 6402] munmap(0x7f3f93e00000, 138412032 [pid 6401] <... write resumed>) = 524288 [pid 6401] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6402] <... munmap resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6402] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6401] <... openat resumed>) = 4 [pid 6402] <... openat resumed>) = 4 [pid 6401] ioctl(4, LOOP_SET_FD, 3 [pid 6402] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6395] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] <... mount resumed>) = 0 [pid 6395] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6395] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6393] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... mprotect resumed>) = 0 [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6393] <... futex resumed>) = 0 [pid 6395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6403 attached [pid 6398] <... openat resumed>) = 3 [pid 6393] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6398] chdir("./file0" [pid 6393] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6398] <... chdir resumed>) = 0 [pid 6393] <... mprotect resumed>) = 0 [pid 6398] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6398] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6401] <... ioctl resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6395] <... clone3 resumed> => {parent_tid=[6403]}, 88) = 6403 [pid 6394] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6404 attached [pid 6403] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... clone3 resumed> => {parent_tid=[6404]}, 88) = 6404 [pid 6398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = 0 [pid 6393] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6394] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... rseq resumed>) = 0 [pid 6398] <... openat resumed>) = 4 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6398] ftruncate(4, 33554441 [pid 6394] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = 0 [pid 6404] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6403] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6396] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6395] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = 0 [pid 6404] <... rseq resumed>) = 0 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6394] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6401] close(3 [pid 6395] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] <... set_robust_list resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... close resumed>) = 0 [pid 6396] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6401] close(4 [pid 6396] <... futex resumed>) = 0 [pid 6402] close(3 [pid 6401] <... close resumed>) = 0 [pid 6402] <... close resumed>) = 0 [pid 6401] mkdir("./file0", 0777 [pid 6404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... unlinkat resumed>) = 0 [pid 6402] close(4 [pid 6401] <... mkdir resumed>) = 0 [pid 6397] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6396] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] <... close resumed>) = 0 [pid 6401] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6402] mkdir("./file0", 0777) = 0 [pid 6404] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6403] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... unlinkat resumed>) = 0 [pid 6403] <... futex resumed>) = 1 [pid 6402] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6401] <... mount resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6404] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] exit_group(0 [pid 6403] <... futex resumed>) = ? [pid 6397] <... futex resumed>) = ? [pid 6395] <... exit_group resumed>) = ? [pid 6404] <... futex resumed>) = 1 [pid 6403] +++ exited with 0 +++ [pid 6397] +++ exited with 0 +++ [pid 6393] <... futex resumed>) = 0 [pid 6401] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6393] exit_group(0 [pid 6401] <... openat resumed>) = 3 [pid 6401] chdir("./file0" [pid 6402] <... mount resumed>) = 0 [pid 6401] <... chdir resumed>) = 0 [pid 6402] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6401] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6402] <... openat resumed>) = 3 [pid 6401] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6401] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6401] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = ? [pid 6393] <... exit_group resumed>) = ? [pid 6402] chdir("./file0" [ 83.427794][ T6401] loop0: detected capacity change from 0 to 1024 [ 83.435286][ T6402] loop2: detected capacity change from 0 to 1024 [pid 6401] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6402] <... chdir resumed>) = 0 [pid 6401] <... openat resumed>) = 4 [pid 6399] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] +++ exited with 0 +++ [pid 6404] +++ exited with 0 +++ [pid 6402] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6401] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] +++ exited with 0 +++ [pid 6393] +++ exited with 0 +++ [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] --- 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 6399] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6393, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6402] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] <... futex resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 6399] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6402] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] <... futex resumed>) = 1 [pid 6401] ftruncate(4, 33554441 [pid 6402] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 5833] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6400] <... futex resumed>) = 0 [pid 6394] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(3, "", [pid 6400] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(3, [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 1 [pid 6394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6402] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6400] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... openat resumed>) = 3 [pid 5832] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6402] <... openat resumed>) = 4 [pid 6394] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] newfstatat(3, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... mprotect resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6402] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] unlink("./39/binderfs"./strace-static-x86_64: Process 6405 attached [pid 6402] ftruncate(4, 33554441 [pid 6400] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6394] <... clone3 resumed> => {parent_tid=[6405]}, 88) = 6405 [pid 6400] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6405] <... rseq resumed>) = 0 [pid 5833] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] <... futex resumed>) = 0 [pid 6394] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6405] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5833] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6398] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] unlink("./40/binderfs" [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6398] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6405] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6398] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6405] <... unlinkat resumed>) = 0 [pid 6402] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6401] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6399] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6405] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6405] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6399] <... mprotect resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6405] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6394] exit_group(0 [pid 5832] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... futex resumed>) = ? [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] <... futex resumed>) = ? [pid 6394] <... exit_group resumed>) = ? [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6405] +++ exited with 0 +++ [pid 6402] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6401] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6398] +++ exited with 0 +++ [pid 6394] +++ exited with 0 +++ [pid 5832] newfstatat(AT_FDCWD, "./39/file0", [pid 6402] <... unlinkat resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6394, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6406 attached [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6406] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6399] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6406] <... rseq resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6406] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6402] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6406] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6402] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] exit_group(0 [pid 5832] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6402] <... futex resumed>) = ? [pid 6400] <... exit_group resumed>) = ? [pid 5832] <... openat resumed>) = 4 [pid 6406] <... unlinkat resumed>) = 0 [pid 6402] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 6399] <... futex resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, [pid 6399] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6406] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... futex resumed>) = 0 [pid 6399] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] close(4 [pid 6401] <... futex resumed>) = ? [pid 6399] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./40/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] +++ exited with 0 +++ [pid 6401] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./39/file0" [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6399] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] getdents64(3, [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 5830] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5831] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5832] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./39" [pid 5831] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5830] unlink("./39/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] unlink("./40/binderfs" [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [ 83.536730][ T3026] hfsplus: b-tree write err: -5, ino 4 [ 83.558043][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5833] close(4 [pid 5832] mkdir("./40", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./40/file0" [pid 5832] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./40" [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] mkdir("./41", 0777 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(3, [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6407 attached [pid 5833] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6407] set_robust_list(0x5555832d26a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6407 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6407] <... set_robust_list resumed>) = 0 [pid 5829] unlink("./41/binderfs" [pid 6407] chdir("./40" [pid 5829] <... unlink resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6407] setpgid(0, 0) = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6408 attached ) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6408 [ 83.601565][ T11] hfsplus: b-tree write err: -5, ino 4 [ 83.613933][ T3026] hfsplus: b-tree write err: -5, ino 4 [pid 6407] write(3, "1000", 4) = 4 [pid 6407] close(3) = 0 [pid 6407] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6407] write(1, "executing program\n", 18) = 18 [pid 6408] set_robust_list(0x5555832d26a0, 24 [pid 6407] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6408] chdir("./41" [pid 6407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6408] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/file0", [pid 5830] newfstatat(AT_FDCWD, "./39/file0", [pid 6407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6408] <... prctl resumed>) = 0 [pid 6407] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6408] setpgid(0, 0 [pid 6407] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... mprotect resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6409 attached [pid 6407] <... clone3 resumed> => {parent_tid=[6409]}, 88) = 6409 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6409] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6407] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... rseq resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6409] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6407] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] <... setpgid resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5830] newfstatat(4, "", [pid 5829] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./41/file0", [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6409] memfd_create("syzkaller", 0 [pid 6408] write(3, "1000", 4 [pid 5831] getdents64(4, [pid 5830] getdents64(4, [pid 5829] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6409] <... memfd_create resumed>) = 3 [pid 6408] <... write resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6408] close(3 [pid 5831] getdents64(4, [pid 5830] close(4 [pid 5829] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6409] <... mmap resumed>) = 0x7f3f93e00000 [pid 6408] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6408] symlink("/dev/binderfs", "./binderfs" [pid 5831] close(4 [pid 5830] rmdir("./39/file0" [pid 5829] newfstatat(4, "", executing program [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./40/file0" [pid 5830] getdents64(3, [pid 5829] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6408] <... symlink resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] close(3 [pid 5829] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6408] write(1, "executing program\n", 18 [pid 5831] close(3 [pid 5830] rmdir("./39" [pid 5829] close(4 [pid 6408] <... write resumed>) = 18 [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6408] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./40" [pid 5830] mkdir("./40", 0777 [pid 5829] rmdir("./41/file0" [pid 6408] <... futex resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6408] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] getdents64(3, [pid 6408] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] mkdir("./41", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... mkdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] close(3) = 0 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] rmdir("./41" [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6409] <... write resumed>) = 524288 [pid 6408] <... mmap resumed>) = 0x7f3f9c25c000 [ 83.655369][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6408] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... openat resumed>) = 3 [pid 5829] mkdir("./42", 0777 [pid 6408] <... mprotect resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... mkdir resumed>) = 0 [pid 6409] munmap(0x7f3f93e00000, 138412032 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6410 attached [pid 6409] <... munmap resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6410] set_robust_list(0x5555832d26a0, 24 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6410 [pid 5829] <... ioctl resumed>) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 5829] close(3./strace-static-x86_64: Process 6411 attached [pid 6410] chdir("./40" [pid 6409] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6408] <... clone3 resumed> => {parent_tid=[6411]}, 88) = 6411 [pid 5829] <... close resumed>) = 0 [pid 6410] <... chdir resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6411] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] <... openat resumed>) = 4 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6412 attached [pid 6411] <... rseq resumed>) = 0 [pid 6409] ioctl(4, LOOP_SET_FD, 3 [pid 6411] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6410] <... prctl resumed>) = 0 [pid 6408] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6412 [pid 6410] setpgid(0, 0 [pid 6408] <... futex resumed>) = 0 [pid 6410] <... setpgid resumed>) = 0 [pid 6408] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6413 attached [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6413] set_robust_list(0x5555832d26a0, 24 [pid 6410] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6413 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6410] write(3, "1000", 4 [pid 6413] chdir("./42" [pid 6410] <... write resumed>) = 4 [pid 6410] close(3) = 0 [pid 6410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6413] <... chdir resumed>) = 0 [pid 6410] write(1, "executing program\n", 18 [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] <... write resumed>) = 18 [pid 6413] <... prctl resumed>) = 0 [pid 6410] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] setpgid(0, 0 [pid 6410] <... futex resumed>) = 0 [pid 6413] <... setpgid resumed>) = 0 [pid 6410] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6413] <... openat resumed>) = 3 [pid 6412] set_robust_list(0x5555832d26a0, 24 [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6413] write(3, "1000", 4 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] <... write resumed>) = 4 [pid 6410] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6413] close(3 [pid 6410] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6413] <... close resumed>) = 0 [pid 6410] <... mprotect resumed>) = 0 executing program [pid 6413] symlink("/dev/binderfs", "./binderfs" [pid 6410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] <... symlink resumed>) = 0 [pid 6410] <... rt_sigprocmask resumed>[], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6414 attached [pid 6413] write(1, "executing program\n", 18 [pid 6410] <... clone3 resumed> => {parent_tid=[6414]}, 88) = 6414 [pid 6414] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6413] <... write resumed>) = 18 [pid 6410] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] <... rseq resumed>) = 0 [pid 6413] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] chdir("./41" [pid 6411] memfd_create("syzkaller", 0 [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6413] <... futex resumed>) = 0 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6413] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6412] <... chdir resumed>) = 0 [pid 6411] <... memfd_create resumed>) = 3 [pid 6409] <... ioctl resumed>) = 0 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6409] close(3 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6414] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] <... prctl resumed>) = 0 [pid 6411] <... mmap resumed>) = 0x7f3f93e00000 [pid 6409] <... close resumed>) = 0 [pid 6412] setpgid(0, 0 [pid 6410] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] <... futex resumed>) = 1 [pid 6414] memfd_create("syzkaller", 0 [pid 6413] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6410] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] <... memfd_create resumed>) = 3 [pid 6413] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6413] <... mprotect resumed>) = 0 [pid 6414] <... mmap resumed>) = 0x7f3f93e00000 [pid 6413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6412] <... setpgid resumed>) = 0 [pid 6411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6409] close(4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6415 attached [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6409] <... close resumed>) = 0 [pid 6413] <... clone3 resumed> => {parent_tid=[6415]}, 88) = 6415 [pid 6409] mkdir("./file0", 0777 [pid 6415] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] <... openat resumed>) = 3 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 6412] write(3, "1000", 4 [pid 6409] <... mkdir resumed>) = 0 [pid 6415] <... rseq resumed>) = 0 [pid 6412] <... write resumed>) = 4 [pid 6409] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6415] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6415] memfd_create("syzkaller", 0 [pid 6414] <... write resumed>) = 524288 [pid 6412] close(3 [pid 6409] <... mount resumed>) = 0 [pid 6415] <... memfd_create resumed>) = 3 [pid 6412] <... close resumed>) = 0 [pid 6409] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6412] symlink("/dev/binderfs", "./binderfs" [pid 6415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6409] <... openat resumed>) = 3 [pid 6415] <... mmap resumed>) = 0x7f3f93e00000 [pid 6412] <... symlink resumed>) = 0 [pid 6409] chdir("./file0" [pid 6412] write(1, "executing program\n", 18 [pid 6409] <... chdir resumed>) = 0 [pid 6412] <... write resumed>) = 18 [pid 6409] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6412] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6409] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6412] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6409] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... futex resumed>) = 0 [pid 6412] <... rt_sigaction resumed>NULL, 8) = 0 [ 83.737535][ T6409] loop3: detected capacity change from 0 to 1024 [pid 6415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6414] munmap(0x7f3f93e00000, 138412032 [pid 6412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6411] <... write resumed>) = 524288 [pid 6407] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... munmap resumed>) = 0 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 1 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6409] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6407] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6412] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6414] <... openat resumed>) = 4 [pid 6409] <... openat resumed>) = 4 [pid 6412] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6414] ioctl(4, LOOP_SET_FD, 3 [pid 6412] <... mprotect resumed>) = 0 [pid 6412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6411] munmap(0x7f3f93e00000, 138412032 [pid 6409] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6409] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6409] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6416 attached [pid 6415] <... write resumed>) = 524288 [pid 6414] <... ioctl resumed>) = 0 [pid 6409] ftruncate(4, 33554441 [pid 6407] <... futex resumed>) = 0 [pid 6416] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6415] munmap(0x7f3f93e00000, 138412032 [pid 6414] close(3 [pid 6407] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... rseq resumed>) = 0 [pid 6415] <... munmap resumed>) = 0 [pid 6414] <... close resumed>) = 0 [pid 6416] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6415] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6414] close(4 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] <... openat resumed>) = 4 [pid 6414] <... close resumed>) = 0 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6414] mkdir("./file0", 0777 [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] <... mkdir resumed>) = 0 [pid 6412] <... clone3 resumed> => {parent_tid=[6416]}, 88) = 6416 [pid 6411] <... munmap resumed>) = 0 [pid 6416] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... ioctl resumed>) = 0 [pid 6414] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] ioctl(4, LOOP_SET_FD, 3 [pid 6416] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6416] memfd_create("syzkaller", 0) = 3 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6415] close(3) = 0 [pid 6415] close(4 [pid 6412] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6411] <... ioctl resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 6415] mkdir("./file0", 0777) = 0 [pid 6415] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6414] <... mount resumed>) = 0 [pid 6414] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6411] close(3) = 0 [pid 6411] close(4) = 0 [pid 6414] chdir("./file0" [pid 6411] mkdir("./file0", 0777 [pid 6414] <... chdir resumed>) = 0 [pid 6414] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6414] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6411] <... mkdir resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6414] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6411] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6410] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... write resumed>) = 524288 [pid 6415] <... mount resumed>) = 0 [pid 6414] <... openat resumed>) = 4 [pid 6410] <... futex resumed>) = 0 [pid 6410] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6414] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] chdir("./file0" [pid 6414] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6416] munmap(0x7f3f93e00000, 138412032 [pid 6415] <... chdir resumed>) = 0 [pid 6410] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... futex resumed>) = 0 [pid 6416] <... munmap resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6410] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... futex resumed>) = 0 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6415] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6411] <... mount resumed>) = 0 [ 83.802817][ T6414] loop1: detected capacity change from 0 to 1024 [ 83.815629][ T6415] loop0: detected capacity change from 0 to 1024 [ 83.826074][ T6411] loop4: detected capacity change from 0 to 1024 [pid 6416] <... openat resumed>) = 4 [pid 6414] ftruncate(4, 33554441 [pid 6411] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6407] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6411] <... openat resumed>) = 3 [pid 6407] <... mprotect resumed>) = 0 [pid 6416] ioctl(4, LOOP_SET_FD, 3 [pid 6411] chdir("./file0" [pid 6407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6411] <... chdir resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6411] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6417 attached [pid 6415] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6417] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6411] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... clone3 resumed> => {parent_tid=[6417]}, 88) = 6417 [pid 6417] <... rseq resumed>) = 0 [pid 6411] <... futex resumed>) = 1 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6417] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6411] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6407] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] <... futex resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6409] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6407] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6409] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... unlinkat resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6413] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6417] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6413] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 1 [pid 6415] <... openat resumed>) = 4 [pid 6413] <... futex resumed>) = 0 [pid 6411] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6417] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] exit_group(0 [pid 6411] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6415] <... futex resumed>) = 0 [pid 6415] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] <... exit_group resumed>) = ? [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] ftruncate(4, 33554441 [pid 6413] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = ? [pid 6411] <... openat resumed>) = 4 [pid 6409] <... futex resumed>) = ? [pid 6413] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] +++ exited with 0 +++ [pid 6417] +++ exited with 0 +++ [pid 6411] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 6407] +++ exited with 0 +++ [pid 6408] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6408] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6407, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6411] ftruncate(4, 33554441 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6416] <... ioctl resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6416] close(3) = 0 [pid 6416] close(4 [pid 5832] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6416] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6416] mkdir("./file0", 0777 [pid 6410] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6416] <... mkdir resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6416] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] getdents64(3, [pid 6410] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6410] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6410] <... clone3 resumed> => {parent_tid=[6418]}, 88) = 6418 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6418 attached [pid 6410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5832] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6410] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 83.887112][ T6416] loop2: detected capacity change from 0 to 1024 [pid 6410] <... futex resumed>) = 0 [pid 5832] unlink("./40/binderfs" [pid 6418] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6410] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... unlink resumed>) = 0 [pid 5832] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6418] <... rseq resumed>) = 0 [pid 6418] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6413] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6413] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] <... mprotect resumed>) = 0 [pid 6413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6418] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6408] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... clone3 resumed> => {parent_tid=[6419]}, 88) = 6419 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... futex resumed>) = 0 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6419 attached [pid 6413] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... mount resumed>) = 0 [pid 6408] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6416] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6408] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6418] <... unlinkat resumed>) = 0 [pid 6416] <... openat resumed>) = 3 [pid 6415] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6411] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6408] <... mprotect resumed>) = 0 [pid 6419] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6418] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] chdir("./file0" [pid 6415] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6411] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6419] <... rseq resumed>) = 0 [pid 6418] <... futex resumed>) = 1 [pid 6416] <... chdir resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = 0 [pid 6408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6419] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6418] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6419] <... set_robust_list resumed>) = 0 [pid 6416] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6415] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... futex resumed>) = 0 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6416] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6416] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6414] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6416] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] <... futex resumed>) = 0 [pid 6412] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... clone3 resumed> => {parent_tid=[6420]}, 88) = 6420 [pid 6419] <... unlinkat resumed>) = 0 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6420 attached [pid 6419] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6410] exit_group(0 [pid 6420] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6419] <... futex resumed>) = 1 [pid 6418] <... futex resumed>) = ? [pid 6413] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6410] <... exit_group resumed>) = ? [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... rseq resumed>) = 0 [pid 6419] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] +++ exited with 0 +++ [pid 6416] <... openat resumed>) = 4 [pid 6414] +++ exited with 0 +++ [pid 6413] exit_group(0 [pid 6412] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6420] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6419] <... futex resumed>) = ? [pid 6416] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... futex resumed>) = ? [pid 6413] <... exit_group resumed>) = ? [pid 6410] +++ exited with 0 +++ [pid 6408] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] +++ exited with 0 +++ [pid 6416] <... futex resumed>) = 1 [pid 6415] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6412] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6413, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] <... futex resumed>) = 0 [pid 5830] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6420] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6412] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(AT_FDCWD, "./40/file0", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6420] <... unlinkat resumed>) = 0 [pid 6416] ftruncate(4, 33554441 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(3, [pid 5832] <... openat resumed>) = 4 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6420] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(4, "", [pid 5830] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6420] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6420] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] exit_group(0 [pid 5830] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6420] <... futex resumed>) = ? [pid 6411] <... futex resumed>) = ? [pid 6408] <... exit_group resumed>) = ? [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6420] +++ exited with 0 +++ [pid 6411] +++ exited with 0 +++ [pid 5830] unlink("./40/binderfs") = 0 [ 83.965435][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6408] +++ exited with 0 +++ [pid 5832] getdents64(4, [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./40/file0" [pid 5833] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] getdents64(3, [pid 5829] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, [pid 5832] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... close resumed>) = 0 [pid 5833] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./40" [pid 5833] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(3, "", [pid 5833] unlink("./41/binderfs") = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] mkdir("./41", 0777 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5829] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./42/binderfs" [pid 5832] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5829] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6412] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6412] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6421 attached => {parent_tid=[6421]}, 88) = 6421 [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6421] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6412] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6422 attached [pid 6421] <... rseq resumed>) = 0 [pid 6421] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6421] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6422] set_robust_list(0x5555832d26a0, 24 [pid 6421] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6422 [pid 6412] <... futex resumed>) = 0 [pid 6421] <... futex resumed>) = 1 [pid 6421] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... set_robust_list resumed>) = 0 [pid 6422] chdir("./41") = 0 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6422] setpgid(0, 0) = 0 [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... umount2 resumed>) = 0 [pid 6422] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 6422] write(3, "1000", 4 [pid 6416] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6422] <... write resumed>) = 4 [pid 6416] <... futex resumed>) = 0 [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6422] close(3 [pid 6416] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./42/file0", [pid 6422] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./40/file0", [pid 6422] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6422] <... symlink resumed>) = 0 [ 84.024207][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 84.042148][ T11] hfsplus: b-tree write err: -5, ino 4 [ 84.054404][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 6412] exit_group(0 [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5829] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6422] write(1, "executing program\n", 18 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6422] <... write resumed>) = 18 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6422] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 6422] <... futex resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./41/file0", [pid 5830] newfstatat(4, "", [pid 5829] newfstatat(4, "", [pid 6422] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 6422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 6422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6422] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] close(4 [pid 5829] close(4 [pid 6422] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] newfstatat(4, "", [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6422] <... mprotect resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] rmdir("./40/file0" [pid 5829] rmdir("./42/file0" [pid 6422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6416] <... futex resumed>) = ? [pid 6412] <... exit_group resumed>) = ? [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6421] <... futex resumed>) = ? [pid 6416] +++ exited with 0 +++ [pid 5833] getdents64(4, [pid 5830] getdents64(3, [pid 5829] getdents64(3, [pid 6422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6423 attached [pid 5830] close(3 [pid 5829] close(3 [pid 6423] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6422] <... clone3 resumed> => {parent_tid=[6423]}, 88) = 6423 [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6423] <... rseq resumed>) = 0 [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6421] +++ exited with 0 +++ [pid 6412] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] rmdir("./40" [pid 5829] rmdir("./42" [pid 6423] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6412, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6422] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6422] <... futex resumed>) = 0 [pid 5829] mkdir("./43", 0777 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6422] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] getdents64(4, [pid 5829] <... mkdir resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./41", 0777 [pid 6423] memfd_create("syzkaller", 0 [pid 5833] close(4 [pid 6423] <... memfd_create resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] rmdir("./41/file0" [pid 5829] <... openat resumed>) = 3 [pid 6423] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 5833] rmdir("./41" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... ioctl resumed>) = 0 [pid 6423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5833] mkdir("./42", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6424 attached [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6424 [pid 5831] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6424] set_robust_list(0x5555832d26a0, 24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6424] <... set_robust_list resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] unlink("./41/binderfs") = 0 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6424] chdir("./43" [pid 6423] <... write resumed>) = 524288 [pid 5833] <... mkdir resumed>) = 0 [pid 6424] <... chdir resumed>) = 0 [pid 6423] munmap(0x7f3f93e00000, 138412032 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6425 [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6425 attached [pid 6424] <... prctl resumed>) = 0 [pid 6423] <... munmap resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6424] setpgid(0, 0) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] <... openat resumed>) = 4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6424] <... openat resumed>) = 3 [pid 6423] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... ioctl resumed>) = 0 [pid 6424] write(3, "1000", 4 [pid 5833] close(3) = 0 [pid 6425] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6425] chdir("./41") = 0 [pid 6425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6424] <... write resumed>) = 4 [pid 6423] <... ioctl resumed>) = 0 [pid 6424] close(3 [pid 6423] close(3 [pid 6424] <... close resumed>) = 0 [pid 6424] symlink("/dev/binderfs", "./binderfs" [pid 6425] setpgid(0, 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6426 attached [pid 6425] <... setpgid resumed>) = 0 [pid 6424] <... symlink resumed>) = 0 [pid 6424] write(1, "executing program\n", 18 [pid 6425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6424] <... write resumed>) = 18 [pid 6426] set_robust_list(0x5555832d26a0, 24 [pid 6425] <... openat resumed>) = 3 [pid 6424] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6425] write(3, "1000", 4 [pid 6424] <... futex resumed>) = 0 [pid 6426] chdir("./42" [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6423] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6426 [pid 6426] <... chdir resumed>) = 0 [pid 6425] <... write resumed>) = 4 [pid 6424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6423] close(4 [pid 6425] close(3 [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] <... close resumed>) = 0 [pid 6426] <... prctl resumed>) = 0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6423] mkdir("./file0", 0777 [pid 6426] setpgid(0, 0 [pid 6424] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6426] <... setpgid resumed>) = 0 [pid 6424] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6425] <... close resumed>) = 0 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6424] <... mprotect resumed>) = 0 [pid 6425] symlink("/dev/binderfs", "./binderfs" [pid 6426] <... openat resumed>) = 3 [pid 6425] <... symlink resumed>) = 0 executing program [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6426] write(3, "1000", 4 [pid 6425] write(1, "executing program\n", 18 [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6423] <... mkdir resumed>) = 0 [pid 6426] <... write resumed>) = 4 [pid 6425] <... write resumed>) = 18 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6423] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"..../strace-static-x86_64: Process 6427 attached [pid 6426] close(3 [pid 6425] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6426] <... close resumed>) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... clone3 resumed> => {parent_tid=[6427]}, 88) = 6427 [pid 6427] <... rseq resumed>) = 0 [pid 6425] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6427] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] symlink("/dev/binderfs", "./binderfs" [pid 6425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6423] <... mount resumed>) = 0 [pid 6427] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6423] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6425] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] <... symlink resumed>) = 0 [pid 6425] <... mprotect resumed>) = 0 [pid 6423] <... openat resumed>) = 3 [pid 6424] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6426] write(1, "executing program\n", 18 [pid 6425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6423] chdir("./file0" [pid 6427] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 1 [pid 6426] <... write resumed>) = 18 [pid 6425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6424] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6427] memfd_create("syzkaller", 0 [pid 6425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6428 attached [pid 6427] <... memfd_create resumed>) = 3 [pid 6425] <... clone3 resumed> => {parent_tid=[6428]}, 88) = 6428 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6428] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6425] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... rseq resumed>) = 0 [pid 6427] <... mmap resumed>) = 0x7f3f93e00000 [pid 6425] <... futex resumed>) = 0 [ 84.167562][ T6423] loop3: detected capacity change from 0 to 1024 [ 84.173173][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 6428] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6425] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6428] <... set_robust_list resumed>) = 0 [pid 6426] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... chdir resumed>) = 0 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] <... futex resumed>) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] memfd_create("syzkaller", 0) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 6423] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6426] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6423] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6423] <... futex resumed>) = 1 [pid 6426] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6422] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6422] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] <... openat resumed>) = 4 [pid 6422] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./41/file0", [pid 6428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6423] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6426] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6423] <... futex resumed>) = 1 [pid 6422] <... futex resumed>) = 0 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6423] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] ftruncate(4, 33554441 [pid 6422] <... futex resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6422] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6427] <... write resumed>) = 524288 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6427] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6426] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6426] <... mprotect resumed>) = 0 [pid 5831] getdents64(4, [pid 6426] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6426] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] close(4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6429 attached => {parent_tid=[6429]}, 88) = 6429 [pid 5831] <... close resumed>) = 0 [pid 6426] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] rmdir("./41/file0" [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... write resumed>) = 524288 [pid 6427] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6429] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6426] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... rseq resumed>) = 0 [pid 6427] <... openat resumed>) = 4 [pid 6426] <... futex resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6427] ioctl(4, LOOP_SET_FD, 3 [pid 6426] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6429] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] getdents64(3, [pid 6429] <... set_robust_list resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] close(3 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] memfd_create("syzkaller", 0 [pid 5831] <... close resumed>) = 0 [pid 6429] <... memfd_create resumed>) = 3 [pid 6428] munmap(0x7f3f93e00000, 138412032 [pid 5831] rmdir("./41" [pid 6429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6428] <... munmap resumed>) = 0 [pid 6428] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6428] ioctl(4, LOOP_SET_FD, 3 [pid 6429] <... mmap resumed>) = 0x7f3f93e00000 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./42", 0777) = 0 [pid 6427] <... ioctl resumed>) = 0 [pid 6427] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6427] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6427] close(4 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6427] <... close resumed>) = 0 [pid 6427] mkdir("./file0", 0777) = 0 [pid 6422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6427] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6422] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6422] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6428] <... ioctl resumed>) = 0 [pid 6429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6428] close(3 [pid 6422] <... mprotect resumed>) = 0 [pid 6428] <... close resumed>) = 0 [pid 6427] <... mount resumed>) = 0 [pid 6422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6428] close(4 [pid 5831] <... close resumed>) = 0 [pid 6428] <... close resumed>) = 0 [pid 6428] mkdir("./file0", 0777) = 0 [pid 6427] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6427] chdir("./file0") = 0 [pid 6428] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6427] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6429] <... write resumed>) = 524288 [pid 6422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6427] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6423] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6431 attached [pid 6422] <... clone3 resumed> => {parent_tid=[6430]}, 88) = 6430 ./strace-static-x86_64: Process 6430 attached [pid 6431] set_robust_list(0x5555832d26a0, 24 [pid 6429] munmap(0x7f3f93e00000, 138412032 [ 84.267102][ T6427] loop0: detected capacity change from 0 to 1024 [ 84.281146][ T6428] loop1: detected capacity change from 0 to 1024 [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6429] <... munmap resumed>) = 0 [pid 6427] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6430] <... rseq resumed>) = 0 [pid 6429] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6423] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6431 [pid 6430] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6429] <... openat resumed>) = 4 [pid 6422] <... futex resumed>) = 0 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6429] ioctl(4, LOOP_SET_FD, 3 [pid 6423] <... futex resumed>) = 0 [pid 6422] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] chdir("./42" [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6427] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6428] <... mount resumed>) = 0 [pid 6427] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... openat resumed>) = 3 [pid 6427] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6428] chdir("./file0" [pid 6427] <... openat resumed>) = 4 [pid 6424] <... futex resumed>) = 0 [pid 6428] <... chdir resumed>) = 0 [pid 6427] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... chdir resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6427] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6423] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6427] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6430] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6428] <... futex resumed>) = 1 [pid 6427] ftruncate(4, 33554441 [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... prctl resumed>) = 0 [pid 6430] <... unlinkat resumed>) = 0 [pid 6429] <... ioctl resumed>) = 0 [pid 6428] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] setpgid(0, 0 [pid 6430] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(3 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... setpgid resumed>) = 0 [pid 6430] <... futex resumed>) = 1 [pid 6429] <... close resumed>) = 0 [pid 6428] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6425] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] close(4 [pid 6428] <... openat resumed>) = 4 [pid 6425] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] exit_group(0 [pid 6431] <... openat resumed>) = 3 [pid 6430] <... futex resumed>) = ? [pid 6429] <... close resumed>) = 0 [pid 6423] <... futex resumed>) = ? [pid 6422] <... exit_group resumed>) = ? [pid 6431] write(3, "1000", 4 [pid 6430] +++ exited with 0 +++ [pid 6429] mkdir("./file0", 0777 [pid 6423] +++ exited with 0 +++ [pid 6431] <... write resumed>) = 4 [pid 6429] <... mkdir resumed>) = 0 [pid 6431] close(3 [pid 6429] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6431] <... close resumed>) = 0 [pid 6422] +++ exited with 0 +++ [pid 6431] symlink("/dev/binderfs", "./binderfs" [pid 6428] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6422, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6431] <... symlink resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6425] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6431] write(1, "executing program\n", 18 [pid 6425] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... write resumed>) = 18 [pid 6431] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6431] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6428] ftruncate(4, 33554441 [pid 6425] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6431] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5832] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6431] <... mprotect resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... openat resumed>) = 3 [ 84.329690][ T6429] loop4: detected capacity change from 0 to 1024 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6432 attached [pid 6432] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6431] <... clone3 resumed> => {parent_tid=[6432]}, 88) = 6432 [pid 6432] <... rseq resumed>) = 0 [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6432] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], [pid 6431] <... futex resumed>) = 0 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6432] memfd_create("syzkaller", 0) = 3 [pid 6432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./41/binderfs" [pid 6429] <... mount resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6429] <... openat resumed>) = 3 [pid 6429] chdir("./file0") = 0 [pid 6429] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6424] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6424] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6426] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6424] <... mprotect resumed>) = 0 [pid 6432] <... write resumed>) = 524288 [pid 6429] <... openat resumed>) = 4 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6429] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] ftruncate(4, 33554441 [pid 6426] <... futex resumed>) = 0 [pid 6426] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6433 attached => {parent_tid=[6433]}, 88) = 6433 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6433] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6432] munmap(0x7f3f93e00000, 138412032 [pid 6424] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... rseq resumed>) = 0 [pid 6432] <... munmap resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6424] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6432] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6433] <... set_robust_list resumed>) = 0 [pid 6432] <... openat resumed>) = 4 [pid 6425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 6432] ioctl(4, LOOP_SET_FD, 3 [pid 6425] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6425] <... futex resumed>) = 0 [pid 6425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6433] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6425] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6425] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6433] <... unlinkat resumed>) = 0 [pid 6428] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6427] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... mprotect resumed>) = 0 [pid 6428] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6427] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6428] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6433] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6433] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] exit_group(0./strace-static-x86_64: Process 6434 attached [pid 6433] <... futex resumed>) = ? [pid 6427] <... futex resumed>) = ? [pid 6424] <... exit_group resumed>) = ? [pid 6434] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6433] +++ exited with 0 +++ [pid 6432] <... ioctl resumed>) = 0 [pid 6427] +++ exited with 0 +++ [pid 6425] <... clone3 resumed> => {parent_tid=[6434]}, 88) = 6434 [pid 6424] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = 0 [pid 6434] <... rseq resumed>) = 0 [pid 5832] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- 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 6434] set_robust_list(0x7f3f9c25b9a0, 24 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] <... set_robust_list resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./41/file0", [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6432] close(3 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6432] <... close resumed>) = 0 [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6432] close(4 [pid 6425] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6432] <... close resumed>) = 0 [pid 6429] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6425] <... futex resumed>) = 0 [pid 6434] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6432] mkdir("./file0", 0777 [pid 6429] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6425] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 6434] <... unlinkat resumed>) = 0 [pid 6432] <... mkdir resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6426] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 6434] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 1 [pid 6425] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6426] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... openat resumed>) = 4 [pid 5829] getdents64(3, [pid 6425] exit_group(0 [pid 5832] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6425] <... exit_group resumed>) = ? [pid 6434] <... futex resumed>) = ? [pid 6428] <... futex resumed>) = ? [pid 5829] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] +++ exited with 0 +++ [pid 6432] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6429] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6428] +++ exited with 0 +++ [pid 6425] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6425, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5832] getdents64(4, [pid 6429] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6429] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6429] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] exit_group(0 [pid 5832] getdents64(4, [pid 5829] unlink("./43/binderfs" [pid 6429] <... futex resumed>) = ? [pid 6426] <... exit_group resumed>) = ? [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 6429] +++ exited with 0 +++ [pid 6426] +++ exited with 0 +++ [pid 5832] close(4 [ 84.402377][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 84.429596][ T6432] loop2: detected capacity change from 0 to 1024 [pid 5830] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] <... mount resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] rmdir("./41/file0" [pid 5830] newfstatat(3, "", [pid 6432] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6432] chdir("./file0" [pid 5832] getdents64(3, [pid 5833] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5833] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] <... openat resumed>) = 3 [pid 5832] rmdir("./41" [pid 5830] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] <... chdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] mkdir("./42", 0777 [pid 6432] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] getdents64(3, [pid 5832] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6432] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5830] unlink("./41/binderfs" [pid 5833] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... unlink resumed>) = 0 [pid 6432] <... futex resumed>) = 1 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... ioctl resumed>) = 0 [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5832] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... close resumed>) = 0 [pid 5833] unlink("./42/binderfs" [pid 6431] <... futex resumed>) = 0 [pid 6431] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6431] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6435 attached [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] set_robust_list(0x5555832d26a0, 24 [pid 5829] <... umount2 resumed>) = 0 [pid 6435] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6435 [pid 6435] chdir("./42") = 0 [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6435] setpgid(0, 0) = 0 [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6435] write(3, "1000", 4) = 4 [pid 6435] close(3) = 0 [pid 6435] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6432] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6435] write(1, "executing program\n", 18) = 18 [pid 6435] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6435] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6435] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6432] <... openat resumed>) = 4 [pid 5829] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] newfstatat(AT_FDCWD, "./43/file0", [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6436 attached [pid 6432] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6435] <... clone3 resumed> => {parent_tid=[6436]}, 88) = 6436 [pid 6432] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = 0 [pid 6436] <... rseq resumed>) = 0 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6436] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = 4 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] <... futex resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6436] memfd_create("syzkaller", 0 [pid 5829] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6436] <... memfd_create resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./43/file0" [pid 6432] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] close(3 [pid 6436] <... mmap resumed>) = 0x7f3f93e00000 [pid 5829] <... close resumed>) = 0 [ 84.479658][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 84.517731][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 84.517768][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6431] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rmdir("./43" [pid 6432] <... futex resumed>) = 0 [pid 6431] <... futex resumed>) = 1 [pid 5829] <... rmdir resumed>) = 0 [pid 6436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6432] ftruncate(4, 33554441 [pid 6431] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] mkdir("./44", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 6436] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6437 ./strace-static-x86_64: Process 6437 attached [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./41/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./42/file0", [pid 5830] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(4, "", [pid 6436] munmap(0x7f3f93e00000, 138412032 [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6436] <... munmap resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5833] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6437] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(4 [pid 5833] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] rmdir("./41/file0" [pid 6436] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 6436] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6436] ioctl(4, LOOP_SET_FD, 3 [pid 5833] close(4 [pid 6437] <... set_robust_list resumed>) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] close(3 [pid 6437] chdir("./44" [pid 5833] rmdir("./42/file0" [pid 5830] <... close resumed>) = 0 [pid 6437] <... chdir resumed>) = 0 [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... rmdir resumed>) = 0 [pid 5830] rmdir("./41" [pid 6437] <... prctl resumed>) = 0 [pid 6437] setpgid(0, 0 [pid 5833] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 6437] <... setpgid resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./42", 0777 [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6437] <... openat resumed>) = 3 [pid 5833] rmdir("./42" [pid 5830] <... openat resumed>) = 3 executing program [pid 6437] write(3, "1000", 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6437] <... write resumed>) = 4 [pid 6437] close(3 [pid 5833] mkdir("./43", 0777 [pid 5830] <... ioctl resumed>) = 0 [pid 6437] <... close resumed>) = 0 [pid 6437] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 6437] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6437] write(1, "executing program\n", 18) = 18 [pid 6431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... openat resumed>) = 3 [pid 6431] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6431] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5833] <... ioctl resumed>) = 0 [pid 6437] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6431] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5833] close(3 [pid 6437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6431] <... mprotect resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... close resumed>) = 0 [pid 6431] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... ioctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6438 attached [pid 6437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6436] close(3 [pid 6432] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6431] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 ./strace-static-x86_64: Process 6439 attached [pid 6436] <... close resumed>) = 0 [pid 6436] close(4) = 0 [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6439 [pid 6438] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6437] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6432] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6437] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6436] mkdir("./file0", 0777 [pid 6432] <... futex resumed>) = 0 [pid 6431] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6438] <... rseq resumed>) = 0 [pid 6437] <... mprotect resumed>) = 0 [pid 6432] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] <... futex resumed>) = 0 [pid 6438] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6431] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] set_robust_list(0x5555832d26a0, 24 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6436] <... mkdir resumed>) = 0 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6436] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6440 ./strace-static-x86_64: Process 6440 attached [pid 6439] chdir("./42" [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] <... chdir resumed>) = 0 [pid 6438] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6440] set_robust_list(0x5555832d26a0, 24 [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 [pid 6438] <... unlinkat resumed>) = 0 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6438] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] chdir("./43" [pid 6439] <... openat resumed>) = 3 [pid 6438] <... futex resumed>) = 1 [pid 6437] <... clone3 resumed> => {parent_tid=[6441]}, 88) = 6441 [pid 6431] <... futex resumed>) = 0 [pid 6440] <... chdir resumed>) = 0 [pid 6438] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6439] write(3, "1000", 4 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] exit_group(0 [pid 6440] <... prctl resumed>) = 0 [pid 6439] <... write resumed>) = 4 [pid 6438] <... futex resumed>) = ? [pid 6437] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] <... futex resumed>) = ? [pid 6431] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6441 attached [pid 6440] setpgid(0, 0 [pid 6439] close(3 [pid 6438] +++ exited with 0 +++ [pid 6437] <... futex resumed>) = 0 [pid 6432] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [ 84.598709][ T6436] loop3: detected capacity change from 0 to 1024 [pid 6441] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053executing program [pid 6440] <... setpgid resumed>) = 0 [pid 6439] <... close resumed>) = 0 [pid 6437] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6441] <... rseq resumed>) = 0 [pid 6439] symlink("/dev/binderfs", "./binderfs" [pid 6436] <... mount resumed>) = 0 [pid 6441] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6439] <... symlink resumed>) = 0 [pid 6436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6441] <... set_robust_list resumed>) = 0 [pid 6439] write(1, "executing program\n", 18 [pid 6436] <... openat resumed>) = 3 [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] <... write resumed>) = 18 [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] chdir("./file0" [pid 6441] memfd_create("syzkaller", 0 [pid 6439] <... futex resumed>) = 0 [pid 6436] <... chdir resumed>) = 0 [pid 6441] <... memfd_create resumed>) = 3 [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6436] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6436] <... openat resumed>) = -1 EBUSY (Device or resource busy) [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) = 0x7f3f9c25c000 [pid 6439] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6436] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6435] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... mmap resumed>) = 0x7f3f93e00000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6436] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6435] <... futex resumed>) = 0 [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6436] <... openat resumed>) = 4 [pid 6435] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6442 attached [pid 6440] <... openat resumed>) = 3 [pid 6441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6440] write(3, "1000", 4 [pid 6439] <... clone3 resumed> => {parent_tid=[6442]}, 88) = 6442 [pid 6436] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6442] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6442] <... rseq resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6442] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5831] <... openat resumed>) = 3 [pid 6442] <... set_robust_list resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... write resumed>) = 4 [pid 5831] getdents64(3, [pid 6442] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] close(3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], [pid 6440] <... close resumed>) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 6440] symlink("/dev/binderfs", "./binderfs" [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] ftruncate(4, 33554441 [pid 6435] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... symlink resumed>) = 0 [pid 6439] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6442] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6435] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6442] memfd_create("syzkaller", 0executing program [pid 6440] write(1, "executing program\n", 18 [pid 6439] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6442] <... memfd_create resumed>) = 3 [pid 6442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] unlink("./42/binderfs" [pid 6442] <... mmap resumed>) = 0x7f3f93e00000 [pid 6442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6440] <... write resumed>) = 18 [pid 5831] <... unlink resumed>) = 0 [pid 6440] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6440] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6440] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6441] <... write resumed>) = 524288 [pid 6440] <... mprotect resumed>) = 0 [pid 6440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6441] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6441] ioctl(4, LOOP_SET_FD, 3 [pid 6440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6442] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6443 attached [pid 6441] <... ioctl resumed>) = 0 [pid 6435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6442] munmap(0x7f3f93e00000, 138412032 [pid 6441] close(3 [pid 6435] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6442] <... munmap resumed>) = 0 [pid 6441] <... close resumed>) = 0 [pid 6440] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6435] <... futex resumed>) = 0 [pid 6443] <... rseq resumed>) = 0 [pid 6442] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6441] close(4 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], [pid 6443] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6442] <... openat resumed>) = 4 [pid 6441] <... close resumed>) = 0 [pid 6440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] ioctl(4, LOOP_SET_FD, 3 [pid 6441] mkdir("./file0", 0777 [pid 6440] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] <... ioctl resumed>) = 0 [pid 6441] <... mkdir resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6435] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6440] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6435] <... mprotect resumed>) = 0 [pid 6435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6441] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6436] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6444]}, 88) = 6444 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6435] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6444 attached [pid 6435] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6444] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6436] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] <... rseq resumed>) = 0 [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6443] memfd_create("syzkaller", 0 [pid 6442] close(3 [pid 6441] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6444] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6443] <... memfd_create resumed>) = 3 [pid 6442] <... close resumed>) = 0 [pid 6441] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./42/file0", [pid 6442] close(4 [pid 6443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6442] <... close resumed>) = 0 [pid 6441] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6443] <... mmap resumed>) = 0x7f3f93e00000 [pid 6443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6444] <... unlinkat resumed>) = 0 [pid 6443] <... write resumed>) = 524288 [pid 6442] mkdir("./file0", 0777 [pid 6441] chdir("./file0" [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6441] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6435] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 5831] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6435] exit_group(0 [pid 5831] <... openat resumed>) = 4 [pid 6436] <... futex resumed>) = ? [pid 6435] <... exit_group resumed>) = ? [pid 6442] <... mkdir resumed>) = 0 [pid 6441] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6436] +++ exited with 0 +++ [pid 5831] newfstatat(4, "", [pid 6443] munmap(0x7f3f93e00000, 138412032 [pid 6444] +++ exited with 0 +++ [pid 6442] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6441] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] +++ exited with 0 +++ [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6441] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6435, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 84.715829][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 84.721652][ T6441] loop0: detected capacity change from 0 to 1024 [ 84.744576][ T6442] loop1: detected capacity change from 0 to 1024 [pid 5831] getdents64(4, [pid 6441] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6443] <... munmap resumed>) = 0 [pid 6437] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6437] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6442] <... mount resumed>) = 0 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] getdents64(4, [pid 6442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6441] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6442] <... openat resumed>) = 3 [pid 6442] chdir("./file0" [pid 5832] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 6442] <... chdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6442] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] ioctl(4, LOOP_SET_FD, 3 [pid 6442] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6442] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./42/file0" [pid 6442] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = 3 [pid 6439] <... futex resumed>) = 0 [pid 6442] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6441] <... openat resumed>) = 4 [pid 6439] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(3, "", [pid 5831] <... rmdir resumed>) = 0 [pid 6443] <... ioctl resumed>) = 0 [pid 6442] <... openat resumed>) = 4 [pid 6441] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6442] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... futex resumed>) = 1 [pid 6439] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 6442] <... futex resumed>) = 0 [pid 6441] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6442] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6437] <... futex resumed>) = 0 [pid 5831] close(3 [pid 6443] close(3 [pid 6442] ftruncate(4, 33554441 [pid 6439] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5831] <... close resumed>) = 0 [pid 6443] <... close resumed>) = 0 [pid 6441] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./42" [pid 6443] close(4 [pid 6441] ftruncate(4, 33554441 [pid 6437] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] <... close resumed>) = 0 [pid 5832] unlink("./42/binderfs" [pid 6443] mkdir("./file0", 0777 [pid 5832] <... unlink resumed>) = 0 [pid 5832] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... mkdir resumed>) = 0 [pid 6443] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... rmdir resumed>) = 0 [pid 6443] <... mount resumed>) = 0 [pid 5831] mkdir("./43", 0777 [pid 6443] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... mkdir resumed>) = 0 [pid 6443] <... openat resumed>) = 3 [pid 6443] chdir("./file0" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6443] <... chdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6443] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6443] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6443] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6443] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6441] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6440] <... futex resumed>) = 1 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6443] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6442] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6441] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6439] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6443] <... openat resumed>) = 4 [pid 6441] <... futex resumed>) = 1 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6437] <... futex resumed>) = 0 [pid 6443] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6439] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6437] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6445 attached [pid 6443] <... futex resumed>) = 1 [pid 6441] <... unlinkat resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6439] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6443] ftruncate(4, 33554441 [pid 6441] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] <... mprotect resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6445] set_robust_list(0x5555832d26a0, 24 [pid 6441] <... futex resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6437] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6441] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] <... rt_sigprocmask resumed>[], 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6437] exit_group(0 [pid 6439] <... clone3 resumed> => {parent_tid=[6446]}, 88) = 6446 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6439] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.806968][ T6443] loop4: detected capacity change from 0 to 1024 [ 84.830796][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6439] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6446 attached [pid 6441] <... futex resumed>) = ? [pid 6437] <... exit_group resumed>) = ? [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6445 [pid 6445] <... set_robust_list resumed>) = 0 [pid 6445] chdir("./43" [pid 6446] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6445] <... chdir resumed>) = 0 [pid 6446] <... rseq resumed>) = 0 [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6445] <... prctl resumed>) = 0 [pid 6446] <... set_robust_list resumed>) = 0 [pid 6445] setpgid(0, 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] <... setpgid resumed>) = 0 [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6446] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6445] <... openat resumed>) = 3 [pid 6441] +++ exited with 0 +++ [pid 6446] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6439] <... futex resumed>) = 0 [pid 6437] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6446] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] write(3, "1000", 4 [pid 6442] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... write resumed>) = 4 [pid 6442] <... futex resumed>) = 0 [pid 6442] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] exit_group(0 [pid 6446] <... futex resumed>) = ? [pid 6439] <... exit_group resumed>) = ? [pid 6446] +++ exited with 0 +++ [pid 6445] close(3) = 0 executing program [pid 6442] <... futex resumed>) = ? [pid 5829] <... restart_syscall resumed>) = 0 [pid 6445] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6442] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 6445] write(1, "executing program\n", 18) = 18 [pid 5830] --- 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 5829] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6445] <... futex resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6445] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 3 [pid 6445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 6445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6445] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6445] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] <... mprotect resumed>) = 0 [pid 5830] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6445] <... clone3 resumed> => {parent_tid=[6447]}, 88) = 6447 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./44/binderfs" [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] unlink("./42/binderfs" [pid 5829] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6447 attached [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6447] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6445] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6445] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6447] <... rseq resumed>) = 0 [pid 6443] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6443] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... futex resumed>) = 1 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6440] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6447] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./42/file0") = 0 [pid 6440] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(3, [pid 6447] <... set_robust_list resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6440] <... futex resumed>) = 1 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 6443] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6440] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6443] <... unlinkat resumed>) = 0 [pid 6447] memfd_create("syzkaller", 0 [pid 6443] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6447] <... memfd_create resumed>) = 3 [pid 6447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6443] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] exit_group(0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6443] <... futex resumed>) = ? [pid 6440] <... exit_group resumed>) = ? [pid 6447] <... mmap resumed>) = 0x7f3f93e00000 [pid 6443] +++ exited with 0 +++ [pid 5832] close(3) = 0 [pid 5832] rmdir("./42" [pid 6440] +++ exited with 0 +++ [pid 5832] <... rmdir resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6440, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] mkdir("./43", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... umount2 resumed>) = 0 [pid 6447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... ioctl resumed>) = 0 [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./44/file0", [pid 6447] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] newfstatat(AT_FDCWD, "./42/file0", [pid 5829] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5833] unlink("./43/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6447] munmap(0x7f3f93e00000, 138412032 [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 84.914033][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 84.923659][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5830] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(4, [pid 6447] <... munmap resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6447] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6447] ioctl(4, LOOP_SET_FD, 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6448 attached [pid 6447] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6448] set_robust_list(0x5555832d26a0, 24 [pid 6447] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6448 [pid 5830] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6448] chdir("./43" [pid 6447] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] close(4 [pid 6448] <... chdir resumed>) = 0 [pid 6447] close(4 [pid 5830] getdents64(4, [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6448] <... prctl resumed>) = 0 [pid 6447] <... close resumed>) = 0 [pid 5830] close(4 [pid 5829] rmdir("./44/file0" [pid 6448] setpgid(0, 0 [pid 5830] <... close resumed>) = 0 [pid 6448] <... setpgid resumed>) = 0 [pid 6447] mkdir("./file0", 0777 [pid 5830] rmdir("./42/file0" [pid 5829] <... rmdir resumed>) = 0 [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, [pid 6448] <... openat resumed>) = 3 [pid 6447] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6448] write(3, "1000", 4 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6448] <... write resumed>) = 4 [pid 6448] close(3 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./44" [pid 6448] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./42" [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./43", 0777 [pid 6448] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6448] <... symlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] mkdir("./45", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... mkdir resumed>) = 0 [pid 6448] write(1, "executing program\n", 18 [pid 5830] <... ioctl resumed>) = 0 executing program [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6448] <... write resumed>) = 18 [ 84.973638][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 84.976442][ T6447] loop2: detected capacity change from 0 to 1024 [pid 5830] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 6448] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... mount resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6447] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6447] chdir("./file0") = 0 [pid 6447] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6447] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6447] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./43/file0", [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6449 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", ./strace-static-x86_64: Process 6449 attached [pid 6448] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6445] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6445] <... futex resumed>) = 1 [pid 6448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] close(3 [pid 6447] <... futex resumed>) = 0 [pid 6447] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./43/file0" [pid 6447] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 6445] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... close resumed>) = 0 [pid 6448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6447] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 6449] set_robust_list(0x5555832d26a0, 24 [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./43") = 0 [pid 5833] mkdir("./44", 0777 [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6445] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... set_robust_list resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6449] chdir("./43" [pid 6447] <... futex resumed>) = 0 [pid 6445] <... futex resumed>) = 1 [pid 6449] <... chdir resumed>) = 0 [pid 6448] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6447] ftruncate(4, 33554441 [pid 6445] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6449] <... prctl resumed>) = 0 [pid 6449] setpgid(0, 0 [pid 6448] <... mprotect resumed>) = 0 [pid 6449] <... setpgid resumed>) = 0 [pid 6448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6449] <... openat resumed>) = 3 [pid 6448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... close resumed>) = 0 [pid 6449] write(3, "1000", 4./strace-static-x86_64: Process 6450 attached [pid 6450] set_robust_list(0x5555832d26a0, 24./strace-static-x86_64: Process 6451 attached [pid 6449] <... write resumed>) = 4 [pid 6450] <... set_robust_list resumed>) = 0 [pid 6450] chdir("./45" [pid 6449] close(3 [pid 6451] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6448] <... clone3 resumed> => {parent_tid=[6451]}, 88) = 6451 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6450 [pid 6451] <... rseq resumed>) = 0 [pid 6449] <... close resumed>) = 0 [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6451] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6449] symlink("/dev/binderfs", "./binderfs" [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6451] <... set_robust_list resumed>) = 0 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], [pid 6450] <... chdir resumed>) = 0 [pid 6449] <... symlink resumed>) = 0 [pid 6448] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] <... futex resumed>) = 0 [pid 6451] memfd_create("syzkaller", 0 [pid 6450] <... prctl resumed>) = 0 executing program [pid 6448] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6451] <... memfd_create resumed>) = 3 [pid 6450] setpgid(0, 0 [pid 6449] write(1, "executing program\n", 18 [pid 6450] <... setpgid resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6452 ./strace-static-x86_64: Process 6452 attached [pid 6451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] <... write resumed>) = 18 [pid 6449] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... mmap resumed>) = 0x7f3f93e00000 [pid 6449] <... futex resumed>) = 0 [pid 6452] set_robust_list(0x5555832d26a0, 24 [pid 6450] <... openat resumed>) = 3 [pid 6449] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, executing program [pid 6452] <... set_robust_list resumed>) = 0 [pid 6450] write(3, "1000", 4 [pid 6449] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6450] <... write resumed>) = 4 [pid 6450] close(3) = 0 [pid 6452] chdir("./44" [pid 6450] symlink("/dev/binderfs", "./binderfs" [pid 6452] <... chdir resumed>) = 0 [pid 6450] <... symlink resumed>) = 0 [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6450] write(1, "executing program\n", 18 [pid 6452] <... prctl resumed>) = 0 [pid 6450] <... write resumed>) = 18 [pid 6452] setpgid(0, 0 [pid 6450] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... setpgid resumed>) = 0 [pid 6451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6450] <... futex resumed>) = 0 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6450] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6452] <... openat resumed>) = 3 [pid 6450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6451] <... write resumed>) = 524288 [pid 6450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6449] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6452] write(3, "1000", 4 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] <... write resumed>) = 4 [pid 6450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6452] close(3 [pid 6451] munmap(0x7f3f93e00000, 138412032 [pid 6450] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6449] <... mprotect resumed>) = 0 [pid 6445] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6452] <... close resumed>) = 0 [pid 6450] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6452] symlink("/dev/binderfs", "./binderfs" [pid 6450] <... mprotect resumed>) = 0 [pid 6449] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6445] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6452] <... symlink resumed>) = 0 [pid 6451] <... munmap resumed>) = 0 [pid 6450] rt_sigprocmask(SIG_BLOCK, ~[], [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6452] write(1, "executing program\n", 18 [pid 6450] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6453 attached [pid 6445] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6449] <... clone3 resumed> => {parent_tid=[6453]}, 88) = 6453 [pid 6445] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6453] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6449] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6453] <... rseq resumed>) = 0 [pid 6452] <... write resumed>) = 18 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6445] <... mprotect resumed>) = 0 [pid 6453] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6452] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6449] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6453] <... set_robust_list resumed>) = 0 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... openat resumed>) = 4 [pid 6449] <... futex resumed>) = 0 [pid 6445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6451] ioctl(4, LOOP_SET_FD, 3 [pid 6450] <... clone3 resumed> => {parent_tid=[6454]}, 88) = 6454 [pid 6449] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6454 attached [pid 6453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6450] rt_sigprocmask(SIG_SETMASK, [], [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6454] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] <... rseq resumed>) = 0 [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6450] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6450] <... futex resumed>) = 0 [pid 6454] <... set_robust_list resumed>) = 0 [pid 6453] memfd_create("syzkaller", 0 [pid 6452] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6450] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6455 attached [pid 6454] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6447] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] <... mprotect resumed>) = 0 [pid 6454] memfd_create("syzkaller", 0 [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6454] <... memfd_create resumed>) = 3 [pid 6452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6454] <... mmap resumed>) = 0x7f3f93e00000 [pid 6453] <... memfd_create resumed>) = 3 [pid 6452] <... clone3 resumed> => {parent_tid=[6456]}, 88) = 6456 ./strace-static-x86_64: Process 6456 attached [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6445] <... clone3 resumed> => {parent_tid=[6455]}, 88) = 6455 [pid 6456] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6456] <... rseq resumed>) = 0 [pid 6455] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6453] <... mmap resumed>) = 0x7f3f93e00000 [pid 6452] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 6456] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6452] <... futex resumed>) = 0 [pid 6447] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] <... rseq resumed>) = 0 [pid 6456] <... set_robust_list resumed>) = 0 [pid 6454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6452] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6447] <... futex resumed>) = 0 [pid 6455] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6447] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6445] <... futex resumed>) = 0 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] memfd_create("syzkaller", 0 [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6456] <... memfd_create resumed>) = 3 [pid 6456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6455] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6455] <... unlinkat resumed>) = 0 [pid 6455] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... write resumed>) = 524288 [pid 6455] <... futex resumed>) = 1 [pid 6453] <... write resumed>) = 524288 [pid 6451] <... ioctl resumed>) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6455] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] munmap(0x7f3f93e00000, 138412032 [pid 6451] close(3 [pid 6445] exit_group(0) = ? [pid 6455] <... futex resumed>) = ? [pid 6451] <... close resumed>) = 0 [pid 6455] +++ exited with 0 +++ [pid 6451] close(4) = 0 [pid 6447] <... futex resumed>) = ? [pid 6453] <... munmap resumed>) = 0 [pid 6451] mkdir("./file0", 0777 [pid 6447] +++ exited with 0 +++ [pid 6445] +++ exited with 0 +++ [pid 6454] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6451] <... mkdir resumed>) = 0 [pid 5831] --- 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 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6454] ioctl(4, LOOP_SET_FD, 3 [ 85.121814][ T6451] loop3: detected capacity change from 0 to 1024 [pid 6451] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... openat resumed>) = 3 [pid 6456] <... write resumed>) = 524288 [pid 6453] <... openat resumed>) = 4 [pid 5831] newfstatat(3, "", [pid 6456] munmap(0x7f3f93e00000, 138412032 [pid 6453] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6454] <... ioctl resumed>) = 0 [pid 6456] <... munmap resumed>) = 0 [pid 6453] <... ioctl resumed>) = 0 [pid 5831] getdents64(3, [pid 6456] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6456] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6454] close(3) = 0 [pid 6454] close(4) = 0 [pid 6454] mkdir("./file0", 0777) = 0 [pid 6454] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./43/binderfs" [pid 6453] close(3) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6453] close(4 [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6453] <... close resumed>) = 0 [pid 6453] mkdir("./file0", 0777 [pid 6451] <... mount resumed>) = 0 [pid 6453] <... mkdir resumed>) = 0 [pid 6451] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6453] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6456] <... ioctl resumed>) = 0 [pid 6451] <... openat resumed>) = 3 [pid 6451] chdir("./file0" [pid 6456] close(3 [pid 6451] <... chdir resumed>) = 0 [pid 6456] <... close resumed>) = 0 [pid 6451] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6456] close(4 [pid 6451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6456] <... close resumed>) = 0 [pid 6451] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] mkdir("./file0", 0777 [pid 6451] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6451] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6456] <... mkdir resumed>) = 0 [pid 6448] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6448] <... futex resumed>) = 0 [pid 6451] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6448] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6453] <... mount resumed>) = 0 [pid 6451] <... openat resumed>) = 4 [pid 6453] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6454] <... mount resumed>) = 0 [ 85.166833][ T6454] loop0: detected capacity change from 0 to 1024 [ 85.175636][ T6453] loop1: detected capacity change from 0 to 1024 [ 85.189417][ T6456] loop4: detected capacity change from 0 to 1024 [ 85.200004][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6451] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6453] <... openat resumed>) = 3 [pid 6451] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6453] chdir("./file0" [pid 6448] <... futex resumed>) = 0 [pid 6454] <... openat resumed>) = 3 [pid 6453] <... chdir resumed>) = 0 [pid 6448] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] chdir("./file0" [pid 6451] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 1 [pid 6453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6451] ftruncate(4, 33554441 [pid 6448] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... chdir resumed>) = 0 [pid 6453] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6454] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6450] <... futex resumed>) = 0 [pid 6450] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6450] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6453] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6456] <... mount resumed>) = 0 [pid 6454] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6449] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6453] <... openat resumed>) = 4 [pid 6449] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6456] <... openat resumed>) = 3 [pid 6453] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./43/file0", [pid 6456] chdir("./file0" [pid 6453] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6456] <... chdir resumed>) = 0 [pid 6453] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6449] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6456] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6449] <... futex resumed>) = 0 [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6454] <... futex resumed>) = 1 [pid 6450] <... futex resumed>) = 0 [pid 6449] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6454] ftruncate(4, 33554441 [pid 6450] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6450] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6456] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] ftruncate(4, 33554441 [pid 6450] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6456] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, [pid 6456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6456] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6452] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 6451] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6456] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] close(4 [pid 6456] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6451] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 6456] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./43/file0" [pid 6456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6452] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 6456] ftruncate(4, 33554441 [pid 6451] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6448] <... futex resumed>) = 0 [pid 5831] getdents64(3, [pid 6448] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... unlinkat resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 6451] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./43") = 0 [pid 6451] <... futex resumed>) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6451] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] mkdir("./44", 0777 [pid 6448] exit_group(0) = ? [pid 6451] <... futex resumed>) = ? [pid 6451] +++ exited with 0 +++ [pid 6448] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... mkdir resumed>) = 0 [pid 6454] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6453] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6454] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6454] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6450] <... futex resumed>) = 0 [pid 6449] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 6456] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6454] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6450] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6456] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... unlinkat resumed>) = 0 [pid 6449] <... mprotect resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6454] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 0 [pid 6449] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6454] <... futex resumed>) = 1 [pid 6450] <... futex resumed>) = 0 [pid 6454] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... openat resumed>) = 3 [pid 6450] exit_group(0 [pid 5832] newfstatat(3, "", [pid 6454] <... futex resumed>) = ? [pid 6450] <... exit_group resumed>) = ? [pid 6454] +++ exited with 0 +++ [pid 6452] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6456] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6452] <... futex resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6456] <... unlinkat resumed>) = 0 [pid 6452] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6450] +++ exited with 0 +++ ./strace-static-x86_64: Process 6457 attached [pid 6449] <... clone3 resumed> => {parent_tid=[6457]}, 88) = 6457 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6450, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- ./strace-static-x86_64: Process 6458 attached [pid 6457] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6456] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] getdents64(3, [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6458] set_robust_list(0x5555832d26a0, 24 [pid 6457] <... rseq resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6457] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6456] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] exit_group(0 [pid 6449] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] chdir("./44" [pid 6457] <... set_robust_list resumed>) = 0 [pid 6456] <... futex resumed>) = ? [pid 6452] <... exit_group resumed>) = ? [pid 5832] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6458 [pid 6458] <... chdir resumed>) = 0 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6458] <... prctl resumed>) = 0 [pid 6457] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6458] setpgid(0, 0) = 0 [pid 6457] <... unlinkat resumed>) = 0 [pid 6456] +++ exited with 0 +++ [pid 6452] +++ exited with 0 +++ [pid 5832] unlink("./43/binderfs" [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] <... futex resumed>) = 0 [pid 5829] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6452, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] <... unlink resumed>) = 0 [pid 6458] <... openat resumed>) = 3 [pid 6457] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6458] write(3, "1000", 4 [pid 6457] <... futex resumed>) = 0 [pid 6458] <... write resumed>) = 4 [pid 6457] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] close(3) = 0 [pid 6449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6449] exit_group(0 [pid 5829] <... openat resumed>) = 3 [pid 6449] <... exit_group resumed>) = ? [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./45/binderfs") = 0 [pid 5829] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6457] <... futex resumed>) = ? [pid 6458] symlink("/dev/binderfs", "./binderfs" [pid 6453] <... futex resumed>) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 6457] +++ exited with 0 +++ [pid 6453] +++ exited with 0 +++ [pid 6449] +++ exited with 0 +++ [pid 6458] <... symlink resumed>) = 0 [pid 6458] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6449, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6458] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6458] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6458] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] getdents64(3, [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] getdents64(3, [pid 6458] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6458] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6458] <... mprotect resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] unlink("./44/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./43/binderfs"./strace-static-x86_64: Process 6459 attached [pid 6458] <... clone3 resumed> => {parent_tid=[6459]}, 88) = 6459 [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6459] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] <... rseq resumed>) = 0 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6458] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 6458] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6458] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6459] <... set_robust_list resumed>) = 0 [pid 6459] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] getdents64(4, [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./43/file0") = 0 [pid 6459] memfd_create("syzkaller", 0) = 3 [pid 5832] getdents64(3, [pid 6459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6459] <... mmap resumed>) = 0x7f3f93e00000 [pid 5832] close(3) = 0 [pid 5832] rmdir("./43") = 0 [pid 5832] mkdir("./44", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = 0 [pid 6459] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6459] munmap(0x7f3f93e00000, 138412032 [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5829] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [ 85.368962][ T12] hfsplus: b-tree write err: -5, ino 4 [ 85.376151][ T35] hfsplus: b-tree write err: -5, ino 4 [ 85.404079][ T11] hfsplus: b-tree write err: -5, ino 4 [ 85.410985][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] <... munmap resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./44/file0", [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./45/file0", [pid 6459] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6459] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6460 attached ) = 0 [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6460 [pid 6460] set_robust_list(0x5555832d26a0, 24 [pid 5833] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 6460] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./43/file0", [pid 5829] newfstatat(4, "", [pid 5833] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(4, [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6460] chdir("./44" [pid 6459] close(3 [pid 5833] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6460] <... chdir resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] close(4 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] close(4 [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6460] <... prctl resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(4, "", [pid 5829] rmdir("./45/file0" [pid 6460] setpgid(0, 0 [pid 6459] mkdir("./file0", 0777 [pid 5833] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6460] <... setpgid resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] getdents64(3, [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] rmdir("./44/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6460] <... openat resumed>) = 3 [pid 6459] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] close(3 [pid 6460] write(3, "1000", 4 [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 6460] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5829] rmdir("./45" [pid 6460] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6460] <... close resumed>) = 0 [pid 6460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 [pid 6459] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... close resumed>) = 0 [pid 5829] mkdir("./46", 0777 [pid 6460] write(1, "executing program\n", 18 [pid 5833] rmdir("./44"executing program ) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6460] <... write resumed>) = 18 [pid 6460] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] rmdir("./43/file0" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6460] <... futex resumed>) = 0 [pid 5833] mkdir("./45", 0777 [pid 5829] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 6460] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... ioctl resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6459] <... mount resumed>) = 0 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... close resumed>) = 0 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] rmdir("./43" [pid 6460] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] close(3 [pid 6460] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6459] chdir("./file0" [pid 5830] <... rmdir resumed>) = 0 [pid 6459] <... chdir resumed>) = 0 [pid 5830] mkdir("./44", 0777 [pid 6460] <... mprotect resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6459] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6460] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6459] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... openat resumed>) = 3 [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6459] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6458] <... futex resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6461 attached [pid 6459] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5833] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6461] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6460] <... clone3 resumed> => {parent_tid=[6461]}, 88) = 6461 [pid 6459] <... openat resumed>) = 4 [pid 6458] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(3./strace-static-x86_64: Process 6462 attached [pid 6461] <... rseq resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6463 attached [pid 6461] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 85.466022][ T6459] loop2: detected capacity change from 0 to 1024 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6462 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] set_robust_list(0x5555832d26a0, 24 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] <... futex resumed>) = 0 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6463 [pid 6463] chdir("./45" [pid 6462] set_robust_list(0x5555832d26a0, 24 [pid 6461] memfd_create("syzkaller", 0 [pid 5830] <... close resumed>) = 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 6458] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... chdir resumed>) = 0 [pid 6461] <... memfd_create resumed>) = 3 [pid 6458] <... futex resumed>) = 0 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6458] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... prctl resumed>) = 0 [pid 6462] chdir("./46" [pid 6461] <... mmap resumed>) = 0x7f3f93e00000 [pid 6463] setpgid(0, 0) = 0 [pid 6462] <... chdir resumed>) = 0 [pid 6459] ftruncate(4, 33554441 [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6463] <... openat resumed>) = 3 [pid 6463] write(3, "1000", 4) = 4 [pid 6463] close(3) = 0 [pid 6463] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6463] write(1, "executing program\n", 18) = 18 [pid 6463] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6463] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6463] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6464 attached => {parent_tid=[6464]}, 88) = 6464 [pid 6464] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6463] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... rseq resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6464] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6463] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6464] <... set_robust_list resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6464] memfd_create("syzkaller", 0) = 3 [pid 6462] <... prctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6461] <... write resumed>) = 524288 [pid 6461] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6461] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6461] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6465 attached [pid 6462] setpgid(0, 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6465 [pid 6464] <... write resumed>) = 524288 [pid 6459] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6462] <... setpgid resumed>) = 0 [pid 6458] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] <... futex resumed>) = 0 [pid 6462] <... openat resumed>) = 3 [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6462] write(3, "1000", 4 [pid 6458] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6465] set_robust_list(0x5555832d26a0, 24 [pid 6462] <... write resumed>) = 4 [pid 6459] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... set_robust_list resumed>) = 0 [pid 6462] close(3 [pid 6458] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6465] chdir("./44" [pid 6462] <... close resumed>) = 0 [pid 6459] <... futex resumed>) = 0 [pid 6462] symlink("/dev/binderfs", "./binderfs" [pid 6458] <... mprotect resumed>) = 0 [pid 6465] <... chdir resumed>) = 0 [pid 6462] <... symlink resumed>) = 0 [pid 6459] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6462] write(1, "executing program\n", 18executing program [pid 6458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6462] <... write resumed>) = 18 [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6466 attached [pid 6465] <... prctl resumed>) = 0 [pid 6464] munmap(0x7f3f93e00000, 138412032 [pid 6462] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... ioctl resumed>) = 0 [pid 6466] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6465] setpgid(0, 0 [pid 6462] <... futex resumed>) = 0 [pid 6458] <... clone3 resumed> => {parent_tid=[6466]}, 88) = 6466 [pid 6466] <... rseq resumed>) = 0 [pid 6465] <... setpgid resumed>) = 0 [pid 6464] <... munmap resumed>) = 0 [pid 6462] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6461] close(3 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 6466] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6461] <... close resumed>) = 0 [pid 6458] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6461] close(4 [pid 6458] <... futex resumed>) = 0 [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6465] <... openat resumed>) = 3 [pid 6464] <... openat resumed>) = 4 [pid 6462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6461] <... close resumed>) = 0 [pid 6462] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6458] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6466] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6462] <... mprotect resumed>) = 0 [pid 6461] mkdir("./file0", 0777 [pid 6466] <... unlinkat resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6461] <... mkdir resumed>) = 0 [pid 6462] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6461] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6466] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6467 attached [pid 6466] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 6464] ioctl(4, LOOP_SET_FD, 3 [pid 6465] write(3, "1000", 4) = 4 [pid 6458] exit_group(0 [pid 6459] <... futex resumed>) = ? [pid 6458] <... exit_group resumed>) = ? [pid 6459] +++ exited with 0 +++ [pid 6462] <... clone3 resumed> => {parent_tid=[6467]}, 88) = 6467 [pid 6461] <... mount resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 6461] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6465] close(3 [pid 6461] <... openat resumed>) = 3 [pid 6467] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6465] <... close resumed>) = 0 [pid 6467] <... rseq resumed>) = 0 [pid 6465] symlink("/dev/binderfs", "./binderfs" [pid 6461] chdir("./file0") = 0 [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6461] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6467] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6466] +++ exited with 0 +++ [pid 6465] <... symlink resumed>) = 0 [pid 6462] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6458] +++ exited with 0 +++ [pid 6467] <... set_robust_list resumed>) = 0 [pid 6465] write(1, "executing program\n", 18 [pid 6462] <... futex resumed>) = 0 [pid 6461] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] rt_sigprocmask(SIG_SETMASK, [], [pid 6465] <... write resumed>) = 18 [pid 6462] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6461] <... futex resumed>) = 1 [pid 6460] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6458, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6465] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6460] <... futex resumed>) = 0 [pid 6467] memfd_create("syzkaller", 0 [pid 6465] <... futex resumed>) = 0 [pid 6461] <... openat resumed>) = 4 [pid 6467] <... memfd_create resumed>) = 3 [pid 6465] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6461] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6467] <... mmap resumed>) = 0x7f3f93e00000 [pid 6465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6464] <... ioctl resumed>) = 0 [pid 6461] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6464] close(3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6460] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6460] <... futex resumed>) = 0 [pid 6465] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6460] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6465] <... mprotect resumed>) = 0 [pid 6461] ftruncate(4, 33554441 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6464] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6464] close(4 [pid 5831] <... openat resumed>) = 3 [pid 6467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6464] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6464] mkdir("./file0", 0777) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6464] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] getdents64(3, [pid 6465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6468 attached [pid 6465] <... clone3 resumed> => {parent_tid=[6468]}, 88) = 6468 [pid 6464] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 85.571924][ T6461] loop3: detected capacity change from 0 to 1024 [ 85.609968][ T6464] loop4: detected capacity change from 0 to 1024 [pid 6468] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6467] <... write resumed>) = 524288 [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6467] munmap(0x7f3f93e00000, 138412032 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6468] <... rseq resumed>) = 0 [pid 6467] <... munmap resumed>) = 0 [pid 6465] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] unlink("./44/binderfs" [pid 6468] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6465] <... futex resumed>) = 0 [pid 6464] <... openat resumed>) = 3 [pid 6468] <... set_robust_list resumed>) = 0 [pid 6464] chdir("./file0" [pid 5831] <... unlink resumed>) = 0 [pid 6465] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... chdir resumed>) = 0 [pid 6467] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6468] memfd_create("syzkaller", 0 [pid 6467] <... openat resumed>) = 4 [pid 6464] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6468] <... memfd_create resumed>) = 3 [pid 6464] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6464] <... futex resumed>) = 1 [pid 6463] <... futex resumed>) = 0 [pid 6463] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6467] ioctl(4, LOOP_SET_FD, 3 [pid 6468] <... mmap resumed>) = 0x7f3f93e00000 [pid 6464] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6463] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6461] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6467] <... ioctl resumed>) = 0 [pid 6461] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] close(3 [pid 6461] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6461] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] <... close resumed>) = 0 [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6467] close(4 [pid 6464] <... openat resumed>) = 4 [pid 6460] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6467] <... close resumed>) = 0 [pid 6460] <... mprotect resumed>) = 0 [pid 6460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6469]}, 88) = 6469 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6460] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6469 attached [pid 6469] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6469] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6469] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6468] <... write resumed>) = 524288 [pid 6467] mkdir("./file0", 0777 [pid 6464] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] munmap(0x7f3f93e00000, 138412032 [pid 5831] newfstatat(AT_FDCWD, "./44/file0", [pid 6468] <... munmap resumed>) = 0 [pid 6468] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6467] <... mkdir resumed>) = 0 [pid 6464] <... futex resumed>) = 1 [pid 6463] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... openat resumed>) = 4 [pid 6467] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6464] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6469] <... futex resumed>) = 1 [pid 6468] ioctl(4, LOOP_SET_FD, 3 [pid 6463] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 85.671118][ T12] hfsplus: b-tree write err: -5, ino 4 [ 85.690909][ T6467] loop0: detected capacity change from 0 to 1024 [pid 6469] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] exit_group(0 [pid 6469] <... futex resumed>) = ? [pid 6460] <... exit_group resumed>) = ? [pid 6469] +++ exited with 0 +++ [pid 6464] ftruncate(4, 33554441 [pid 6461] <... futex resumed>) = ? [pid 6461] +++ exited with 0 +++ [pid 6460] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6460, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] <... openat resumed>) = 4 [pid 5832] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6468] <... ioctl resumed>) = 0 [pid 6467] <... mount resumed>) = 0 [pid 5832] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 6468] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./44/binderfs" [pid 5831] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... unlink resumed>) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6467] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 6467] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./44/file0" [pid 6468] close(4 [pid 6467] chdir("./file0" [pid 5831] <... rmdir resumed>) = 0 [pid 6467] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6468] <... close resumed>) = 0 [pid 6467] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6464] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] close(3 [pid 6467] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... close resumed>) = 0 [pid 6467] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./44" [pid 6467] <... futex resumed>) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6468] mkdir("./file0", 0777 [pid 6467] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6462] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6467] <... openat resumed>) = 4 [pid 6462] <... futex resumed>) = 0 [pid 5831] mkdir("./45", 0777 [pid 6467] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6467] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... mkdir resumed>) = 0 [pid 6467] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6462] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6462] <... futex resumed>) = 0 [pid 6467] ftruncate(4, 33554441 [pid 6462] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6463] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6463] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6463] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6463] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... ioctl resumed>) = 0 [pid 6464] <... unlinkat resumed>) = 0 [pid 5831] close(3 [pid 6464] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6463] <... futex resumed>) = 0 [pid 6464] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] exit_group(0 [pid 6464] <... futex resumed>) = ? [pid 6463] <... exit_group resumed>) = ? [pid 5832] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6464] +++ exited with 0 +++ [pid 6463] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6463, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5832] newfstatat(AT_FDCWD, "./44/file0", [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 6470 attached [ 85.736808][ T6468] loop1: detected capacity change from 0 to 1024 [ 85.765806][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 6468] <... mount resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6470 [pid 6468] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 6468] chdir("./file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6468] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] getdents64(4, [pid 5833] <... openat resumed>) = 3 [pid 6470] set_robust_list(0x5555832d26a0, 24 [pid 6468] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6468] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(4 [pid 6468] <... futex resumed>) = 1 [pid 6465] <... futex resumed>) = 0 [pid 5833] getdents64(3, [pid 6468] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6465] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] rmdir("./44/file0" [pid 6468] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6465] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6470] <... set_robust_list resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6470] chdir("./45" [pid 6468] <... openat resumed>) = 4 [pid 6467] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] <... chdir resumed>) = 0 [pid 6468] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5832] getdents64(3, [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6467] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... prctl resumed>) = 0 [pid 6470] setpgid(0, 0) = 0 [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6470] write(3, "1000", 4) = 4 [pid 6470] close(3) = 0 [pid 6467] <... futex resumed>) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6462] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6462] <... futex resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6468] <... futex resumed>) = 1 [pid 6467] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6465] <... futex resumed>) = 0 [pid 6462] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] unlink("./45/binderfs" [pid 5832] close(3 [pid 6470] symlink("/dev/binderfs", "./binderfs" [pid 6468] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] <... symlink resumed>) = 0 [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6467] <... unlinkat resumed>) = 0 [pid 6465] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6470] write(1, "executing program\n", 18 [pid 6465] <... futex resumed>) = 0 executing program [pid 6468] ftruncate(4, 33554441 [pid 6467] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./44" [pid 6470] <... write resumed>) = 18 [pid 6467] <... futex resumed>) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6462] exit_group(0 [pid 5832] <... rmdir resumed>) = 0 [pid 6462] <... exit_group resumed>) = ? [pid 6467] +++ exited with 0 +++ [pid 6462] +++ exited with 0 +++ [pid 5832] mkdir("./45", 0777) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6462, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6470] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6470] <... futex resumed>) = 0 [pid 5829] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6470] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./46/binderfs" [pid 6470] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... unlink resumed>) = 0 [pid 5829] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555832d2690) = 6471 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6471 attached [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6471] chdir("./45") = 0 [pid 6471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6471] setpgid(0, 0) = 0 [pid 6471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6471] write(3, "1000", 4) = 4 [pid 6470] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6471] close(3) = 0 [pid 6470] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6471] write(1, "executing program\n", 18 [pid 6470] <... mprotect resumed>) = 0 [pid 6471] <... write resumed>) = 18 [pid 6470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6471] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6471] <... futex resumed>) = 0 [pid 6471] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, 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) = 0x7f3f9c25c000 [ 85.849418][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 6471] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6472 attached [pid 6468] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6472] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6465] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] <... rseq resumed>) = 0 [pid 6465] <... futex resumed>) = 0 [pid 6465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6472] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6465] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6472] <... set_robust_list resumed>) = 0 [pid 6465] <... mprotect resumed>) = 0 [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6472] <... rt_sigprocmask resumed>NULL, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6470] <... clone3 resumed> => {parent_tid=[6472]}, 88) = 6472 [pid 6468] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6472] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6468] <... futex resumed>) = 0 [pid 6465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6474 attached [pid 6471] <... clone3 resumed> => {parent_tid=[6473]}, 88) = 6473 [pid 6468] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6465] <... clone3 resumed> => {parent_tid=[6474]}, 88) = 6474 [pid 6474] <... rseq resumed>) = 0 [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6474] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6471] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6474] <... set_robust_list resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6465] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6465] <... futex resumed>) = 0 [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6465] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6474] unlinkat(AT_FDCWD, "./file0/file1", 0./strace-static-x86_64: Process 6473 attached ) = 0 [pid 6470] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6472] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 1 [pid 5833] <... umount2 resumed>) = 0 [pid 6473] <... rseq resumed>) = 0 [pid 6472] memfd_create("syzkaller", 0 [pid 6470] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6473] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6472] <... memfd_create resumed>) = 3 [pid 6473] <... set_robust_list resumed>) = 0 [pid 6473] rt_sigprocmask(SIG_SETMASK, [], [pid 6472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6474] <... futex resumed>) = 1 [pid 6473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6472] <... mmap resumed>) = 0x7f3f93e00000 [pid 6465] <... futex resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] memfd_create("syzkaller", 0 [pid 6472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6465] exit_group(0 [pid 6468] <... futex resumed>) = ? [pid 6465] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./45/file0", [pid 6474] +++ exited with 0 +++ [pid 6468] +++ exited with 0 +++ [pid 6465] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6473] <... memfd_create resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6465, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] newfstatat(4, "", [pid 6473] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] rmdir("./45/file0" [pid 5830] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./46/file0", [pid 5830] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] rmdir("./45" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5829] newfstatat(4, "", [pid 5833] mkdir("./46", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6472] <... write resumed>) = 524288 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] unlink("./44/binderfs" [pid 5829] getdents64(4, [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6472] munmap(0x7f3f93e00000, 138412032 [pid 5833] <... openat resumed>) = 3 [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 6472] <... munmap resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [ 85.896970][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5829] rmdir("./46/file0") = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] close(3 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6473] <... write resumed>) = 524288 [pid 6472] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5829] close(3 [pid 6472] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6472] ioctl(4, LOOP_SET_FD, 3 [pid 5829] rmdir("./46" [pid 6473] munmap(0x7f3f93e00000, 138412032 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./47", 0777 [pid 6473] <... munmap resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6473] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6473] <... openat resumed>) = 4 [pid 6473] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3./strace-static-x86_64: Process 6475 attached ) = 0 [pid 6475] set_robust_list(0x5555832d26a0, 24 [pid 6473] <... ioctl resumed>) = 0 [pid 6472] <... ioctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6475 [pid 6475] <... set_robust_list resumed>) = 0 [pid 6472] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6475] chdir("./46" [pid 6472] <... close resumed>) = 0 [pid 6475] <... chdir resumed>) = 0 [pid 6472] close(4 [pid 5830] <... umount2 resumed>) = 0 [pid 6475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6472] <... close resumed>) = 0 [pid 6475] <... prctl resumed>) = 0 [pid 6472] mkdir("./file0", 0777 [pid 6475] setpgid(0, 0 [pid 6472] <... mkdir resumed>) = 0 [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6476 [pid 6475] <... setpgid resumed>) = 0 [pid 6472] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6476 attached [pid 6473] close(3) = 0 [pid 6476] set_robust_list(0x5555832d26a0, 24 [pid 6473] close(4 [pid 5830] newfstatat(AT_FDCWD, "./44/file0", [pid 6473] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] <... set_robust_list resumed>) = 0 [pid 6473] mkdir("./file0", 0777 [pid 6475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6473] <... mkdir resumed>) = 0 [pid 6476] chdir("./47" [pid 6473] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6475] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6475] write(3, "1000", 4) = 4 [pid 5830] newfstatat(4, "", [pid 6475] close(3) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6475] symlink("/dev/binderfs", "./binderfs" [pid 6476] <... chdir resumed>) = 0 [pid 6475] <... symlink resumed>) = 0 [pid 5830] getdents64(4, [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6475] write(1, "executing program\n", 18) = 18 [pid 5830] getdents64(4, [pid 6476] setpgid(0, 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6476] <... setpgid resumed>) = 0 [pid 6475] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] <... mount resumed>) = 0 [pid 6472] <... mount resumed>) = 0 [pid 5830] close(4 [pid 6472] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6472] chdir("./file0" [pid 6475] <... futex resumed>) = 0 [pid 6473] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6472] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6475] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6472] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] rmdir("./44/file0" [pid 6476] <... openat resumed>) = 3 [pid 6475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6473] <... openat resumed>) = 3 [pid 6472] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6476] write(3, "1000", 4 [pid 6475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6473] chdir("./file0" [pid 6472] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... rmdir resumed>) = 0 [pid 6476] <... write resumed>) = 4 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] <... chdir resumed>) = 0 [pid 6472] <... futex resumed>) = 1 [pid 6470] <... futex resumed>) = 0 [pid 5830] getdents64(3, [pid 6476] close(3 [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6473] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6472] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6476] <... close resumed>) = 0 [pid 6473] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] close(3 [pid 6476] symlink("/dev/binderfs", "./binderfs"executing program [pid 6473] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = 0 [pid 6476] <... symlink resumed>) = 0 [pid 6473] <... futex resumed>) = 1 [pid 6472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6471] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 0 [pid 5830] rmdir("./44" [pid 6476] write(1, "executing program\n", 18 [pid 6475] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6473] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6471] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... rmdir resumed>) = 0 [pid 6476] <... write resumed>) = 18 [pid 6473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] mkdir("./45", 0777 [pid 6476] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6472] <... openat resumed>) = 4 [pid 6471] <... futex resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 6473] <... openat resumed>) = 4 [pid 6471] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6476] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6475] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6473] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... openat resumed>) = 3 [pid 6476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6475] <... mprotect resumed>) = 0 [pid 6472] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6473] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 1 [pid 6471] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 85.952518][ T12] hfsplus: b-tree write err: -5, ino 4 [ 85.961928][ T6472] loop2: detected capacity change from 0 to 1024 [ 85.973474][ T6473] loop3: detected capacity change from 0 to 1024 [pid 6473] ftruncate(4, 33554441 [pid 6472] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6470] <... futex resumed>) = 0 [pid 5830] close(3 [pid 6476] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6476] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6470] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] ftruncate(4, 33554441 [pid 6475] <... rt_sigprocmask resumed>[], 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... close resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6477 attached => {parent_tid=[6477]}, 88) = 6477 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6476] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6477] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6476] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6477] <... rseq resumed>) = 0 [pid 6475] <... clone3 resumed> => {parent_tid=[6478]}, 88) = 6478 ./strace-static-x86_64: Process 6478 attached [pid 6477] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6478] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6477] <... set_robust_list resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] <... rseq resumed>) = 0 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6479 attached [pid 6478] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6475] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6475] <... futex resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] set_robust_list(0x5555832d26a0, 24 [pid 6478] memfd_create("syzkaller", 0 [pid 6477] memfd_create("syzkaller", 0 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6478] <... memfd_create resumed>) = 3 [pid 6477] <... memfd_create resumed>) = 3 [pid 6479] chdir("./45" [pid 6477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6479 [pid 6477] <... mmap resumed>) = 0x7f3f93e00000 [pid 6479] <... chdir resumed>) = 0 [pid 6478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6478] <... mmap resumed>) = 0x7f3f93e00000 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6479] setpgid(0, 0) = 0 [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6479] write(3, "1000", 4) = 4 [pid 6479] close(3) = 0 [pid 6479] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6479] write(1, "executing program\n", 18 [pid 6478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6479] <... write resumed>) = 18 [pid 6479] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6477] <... write resumed>) = 524288 [pid 6479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6479] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6472] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6479] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6480 attached [pid 6470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6479] <... clone3 resumed> => {parent_tid=[6480]}, 88) = 6480 [pid 6479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6479] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6479] <... futex resumed>) = 0 [pid 6479] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6480] <... rseq resumed>) = 0 [pid 6477] munmap(0x7f3f93e00000, 138412032 [pid 6480] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6477] <... munmap resumed>) = 0 [pid 6478] <... write resumed>) = 524288 [pid 6470] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... set_robust_list resumed>) = 0 [pid 6477] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6480] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] <... openat resumed>) = 4 [pid 6480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] ioctl(4, LOOP_SET_FD, 3 [pid 6480] memfd_create("syzkaller", 0 [pid 6471] <... futex resumed>) = 0 [pid 6471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6470] <... futex resumed>) = 0 [pid 6471] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6480] <... memfd_create resumed>) = 3 [pid 6471] <... mprotect resumed>) = 0 [pid 6470] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6478] munmap(0x7f3f93e00000, 138412032 [pid 6472] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6470] <... mprotect resumed>) = 0 [pid 6470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6471] <... clone3 resumed> => {parent_tid=[6481]}, 88) = 6481 [pid 6478] <... munmap resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6472] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6482 attached ) = 0 [pid 6478] <... openat resumed>) = 4 [pid 6471] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6478] ioctl(4, LOOP_SET_FD, 3 [pid 6470] <... clone3 resumed> => {parent_tid=[6482]}, 88) = 6482 [pid 6482] <... rseq resumed>) = 0 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6481 attached [pid 6482] <... set_robust_list resumed>) = 0 [pid 6480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6473] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6470] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] <... futex resumed>) = 0 [pid 6473] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] <... futex resumed>) = 0 [pid 6470] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6481] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6480] <... write resumed>) = 524288 [pid 6478] <... ioctl resumed>) = 0 [pid 6477] <... ioctl resumed>) = 0 [pid 6482] <... unlinkat resumed>) = 0 [pid 6481] <... rseq resumed>) = 0 [pid 6478] close(3 [pid 6477] close(3 [pid 6481] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6478] <... close resumed>) = 0 [pid 6482] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... close resumed>) = 0 [pid 6478] close(4) = 0 [pid 6482] <... futex resumed>) = 1 [pid 6478] mkdir("./file0", 0777 [pid 6470] <... futex resumed>) = 0 [pid 6481] <... set_robust_list resumed>) = 0 [pid 6477] close(4 [pid 6482] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] <... mkdir resumed>) = 0 [pid 6477] <... close resumed>) = 0 [pid 6470] exit_group(0 [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6482] <... futex resumed>) = ? [pid 6481] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6477] mkdir("./file0", 0777 [pid 6470] <... exit_group resumed>) = ? [pid 6482] +++ exited with 0 +++ [pid 6481] <... unlinkat resumed>) = 0 [pid 6477] <... mkdir resumed>) = 0 [pid 6472] <... futex resumed>) = ? [pid 6481] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6481] <... futex resumed>) = 1 [pid 6480] munmap(0x7f3f93e00000, 138412032 [pid 6481] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... munmap resumed>) = 0 [pid 6472] +++ exited with 0 +++ [pid 6471] <... futex resumed>) = 0 [pid 6470] +++ exited with 0 +++ [pid 6480] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6471] exit_group(0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6470, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6480] <... openat resumed>) = 4 [ 86.101248][ T6477] loop0: detected capacity change from 0 to 1024 [ 86.121785][ T6478] loop4: detected capacity change from 0 to 1024 [pid 6481] <... futex resumed>) = ? [pid 6480] ioctl(4, LOOP_SET_FD, 3 [pid 6473] <... futex resumed>) = ? [pid 6471] <... exit_group resumed>) = ? [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6481] +++ exited with 0 +++ [pid 6473] +++ exited with 0 +++ [pid 6471] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6471, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6478] <... mount resumed>) = 0 [pid 6478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6478] chdir("./file0" [pid 5831] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6478] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(3, "", [pid 6478] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] getdents64(3, [pid 5832] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6478] <... futex resumed>) = 1 [pid 5832] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5831] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6475] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6475] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6477] <... mount resumed>) = 0 [pid 6475] <... futex resumed>) = 0 [pid 5832] unlink("./45/binderfs" [pid 5831] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6478] <... openat resumed>) = 4 [pid 6477] <... openat resumed>) = 3 [pid 6475] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6477] chdir("./file0" [pid 6480] <... ioctl resumed>) = 0 [pid 6477] <... chdir resumed>) = 0 [pid 5832] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] unlink("./45/binderfs" [pid 6480] close(3 [pid 6477] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6478] <... futex resumed>) = 1 [pid 6475] <... futex resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6480] <... close resumed>) = 0 [pid 6477] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6480] close(4 [pid 6477] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... close resumed>) = 0 [pid 6477] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 [pid 6480] mkdir("./file0", 0777 [pid 6477] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6476] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... mkdir resumed>) = 0 [pid 6477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6476] <... futex resumed>) = 0 [pid 6477] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6476] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] <... openat resumed>) = 4 [pid 6480] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6477] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] ftruncate(4, 33554441 [pid 6475] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 [pid 6475] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6476] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] ftruncate(4, 33554441 [pid 6480] <... mount resumed>) = 0 [pid 6480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6480] chdir("./file0") = 0 [pid 6480] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6480] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] <... futex resumed>) = 0 [pid 6479] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... futex resumed>) = 0 [pid 6479] <... futex resumed>) = 1 [pid 6480] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6479] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] <... openat resumed>) = 4 [pid 6480] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6479] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 86.163542][ T6480] loop1: detected capacity change from 0 to 1024 [ 86.187668][ T11] hfsplus: b-tree write err: -5, ino 4 [ 86.195156][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6480] ftruncate(4, 33554441 [pid 6475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... umount2 resumed>) = 0 [pid 6475] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6475] <... futex resumed>) = 0 [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6475] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6475] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6476] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... mprotect resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./45/file0", [pid 6476] <... futex resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6476] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6476] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6476] <... mprotect resumed>) = 0 [pid 6475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] newfstatat(4, "", ./strace-static-x86_64: Process 6483 attached [pid 6476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6483] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6475] <... clone3 resumed> => {parent_tid=[6483]}, 88) = 6483 ./strace-static-x86_64: Process 6484 attached [pid 6483] <... rseq resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... umount2 resumed>) = 0 [pid 5831] getdents64(4, [pid 6484] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6483] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6476] <... clone3 resumed> => {parent_tid=[6484]}, 88) = 6484 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6484] <... rseq resumed>) = 0 [pid 6483] <... set_robust_list resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6484] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6475] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6484] <... set_robust_list resumed>) = 0 [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6479] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(4 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6483] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] newfstatat(AT_FDCWD, "./45/file0", [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6483] <... unlinkat resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6484] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6483] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = 0 [pid 6477] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6476] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./45/file0" [pid 5832] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6483] <... futex resumed>) = 1 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6484] <... unlinkat resumed>) = 0 [pid 6483] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6477] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(3, [pid 6479] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6477] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6479] <... mprotect resumed>) = 0 [pid 6477] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6475] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] close(3 [pid 5832] newfstatat(4, "", [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] rmdir("./45" [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 6484] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6484] <... futex resumed>) = 1 [pid 6476] <... futex resumed>) = 0 [pid 6476] exit_group(0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] mkdir("./46", 0777 [pid 6484] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] close(4./strace-static-x86_64: Process 6485 attached [pid 6484] <... futex resumed>) = ? [pid 6479] <... clone3 resumed> => {parent_tid=[6485]}, 88) = 6485 [pid 6477] <... futex resumed>) = ? [pid 6476] <... exit_group resumed>) = ? [pid 5832] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6485] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6484] +++ exited with 0 +++ [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6477] +++ exited with 0 +++ [pid 6476] +++ exited with 0 +++ [pid 5832] rmdir("./45/file0" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6485] <... rseq resumed>) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6476, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6485] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6480] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... futex resumed>) = 0 [pid 6475] exit_group(0 [pid 5832] getdents64(3, [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6485] <... set_robust_list resumed>) = 0 [pid 6483] <... futex resumed>) = ? [pid 6480] <... futex resumed>) = 0 [pid 6479] <... futex resumed>) = 0 [pid 6475] <... exit_group resumed>) = ? [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6485] rt_sigprocmask(SIG_SETMASK, [], [pid 6483] +++ exited with 0 +++ [pid 6480] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] close(3 [pid 5831] close(3 [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] rmdir("./45" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] +++ exited with 0 +++ [pid 6475] +++ exited with 0 +++ [pid 5832] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6486 attached [pid 6485] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6475, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] mkdir("./46", 0777 [pid 6486] set_robust_list(0x5555832d26a0, 24 [pid 6485] <... unlinkat resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6486] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6485] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6486 [pid 5829] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] chdir("./46" [pid 6479] <... futex resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] <... chdir resumed>) = 0 [pid 6485] <... futex resumed>) = 1 [pid 6479] exit_group(0 [pid 5833] newfstatat(3, "", [pid 5832] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6480] <... futex resumed>) = ? [pid 6479] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(3 [pid 6486] <... prctl resumed>) = 0 [pid 6485] +++ exited with 0 +++ [pid 6480] +++ exited with 0 +++ [pid 6479] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6486] setpgid(0, 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./45/binderfs" [pid 6486] <... setpgid resumed>) = 0 [pid 5833] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6486] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6486] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... write resumed>) = 4 [pid 5833] unlink("./46/binderfs" [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6487 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./47/binderfs", ./strace-static-x86_64: Process 6487 attached [pid 6486] <... close resumed>) = 0 [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6487] set_robust_list(0x5555832d26a0, 24 [pid 6486] symlink("/dev/binderfs", "./binderfs" [pid 5829] unlink("./47/binderfs" [pid 6487] <... set_robust_list resumed>) = 0 [pid 6487] chdir("./46") = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6486] <... symlink resumed>) = 0 [pid 6487] setpgid(0, 0) = 0 [pid 6487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6486] write(1, "executing program\n", 18 [pid 5829] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6487] <... openat resumed>) = 3 executing program [pid 6487] write(3, "1000", 4 [pid 6486] <... write resumed>) = 18 [pid 6487] <... write resumed>) = 4 [pid 6486] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] close(3executing program [pid 6486] <... futex resumed>) = 0 [pid 6487] <... close resumed>) = 0 [pid 6486] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6487] symlink("/dev/binderfs", "./binderfs" [pid 6486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6487] <... symlink resumed>) = 0 [pid 6486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6487] write(1, "executing program\n", 18) = 18 [pid 6487] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6487] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6486] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6486] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6486] <... mprotect resumed>) = 0 [pid 6487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6487] <... mmap resumed>) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6487] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6488 attached ) = 0 [pid 6488] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6486] <... clone3 resumed> => {parent_tid=[6488]}, 88) = 6488 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], [pid 6488] <... rseq resumed>) = 0 [pid 6488] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] <... set_robust_list resumed>) = 0 [pid 6486] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6489]}, 88) = 6489 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6487] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6487] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6489 attached [pid 6488] rt_sigprocmask(SIG_SETMASK, [], [pid 6486] <... futex resumed>) = 0 [pid 6488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6488] memfd_create("syzkaller", 0 [pid 6489] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6488] <... memfd_create resumed>) = 3 [pid 6489] <... rseq resumed>) = 0 [pid 6488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6489] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6488] <... mmap resumed>) = 0x7f3f93e00000 [pid 6489] <... set_robust_list resumed>) = 0 [pid 6488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6489] memfd_create("syzkaller", 0) = 3 [pid 6489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./46/file0", [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./45/file0", [pid 6489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [ 86.348508][ T12] hfsplus: b-tree write err: -5, ino 4 [ 86.355837][ T11] hfsplus: b-tree write err: -5, ino 4 [ 86.378019][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 5833] close(4 [pid 6489] <... write resumed>) = 524288 [pid 6488] <... write resumed>) = 524288 [pid 5833] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5829] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6489] munmap(0x7f3f93e00000, 138412032 [pid 6488] munmap(0x7f3f93e00000, 138412032 [pid 5833] rmdir("./46/file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6489] <... munmap resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6489] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6488] <... munmap resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./47/file0", [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6489] <... openat resumed>) = 4 [pid 6488] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6489] ioctl(4, LOOP_SET_FD, 3 [pid 6488] <... openat resumed>) = 4 [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6489] <... ioctl resumed>) = 0 [pid 6488] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6489] close(3) = 0 [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 6489] close(4 [pid 6488] <... ioctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6489] <... close resumed>) = 0 [pid 5830] rmdir("./45/file0" [pid 5833] <... close resumed>) = 0 [pid 6489] mkdir("./file0", 0777 [pid 5833] rmdir("./46" [pid 6488] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 6489] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6488] <... close resumed>) = 0 [pid 6488] close(4 [pid 5830] close(3 [pid 6488] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6488] mkdir("./file0", 0777 [pid 5830] rmdir("./45" [pid 6488] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6489] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] mkdir("./47", 0777 [pid 6488] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5829] getdents64(4, [pid 5830] mkdir("./46", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] close(4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] rmdir("./47/file0" [pid 5830] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5829] close(3) = 0 [pid 5829] rmdir("./47") = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6488] <... mount resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] mkdir("./48", 0777./strace-static-x86_64: Process 6490 attached [pid 6488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6490] set_robust_list(0x5555832d26a0, 24 [pid 6488] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6491 attached [pid 6490] <... set_robust_list resumed>) = 0 [pid 6488] chdir("./file0" [pid 6489] <... mount resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6490 [pid 6489] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6491] set_robust_list(0x5555832d26a0, 24 [pid 6489] <... openat resumed>) = 3 [pid 6488] <... chdir resumed>) = 0 [pid 6489] chdir("./file0" [pid 6488] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6491] <... set_robust_list resumed>) = 0 [pid 6490] chdir("./46" [pid 6489] <... chdir resumed>) = 0 [pid 6488] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = 3 [pid 6491] chdir("./47" [pid 6490] <... chdir resumed>) = 0 [pid 6489] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6488] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6491 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6491] <... chdir resumed>) = 0 [pid 6490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6489] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6488] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] <... prctl resumed>) = 0 [pid 6489] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(3 [pid 6491] <... prctl resumed>) = 0 [pid 6490] setpgid(0, 0 [pid 6489] <... futex resumed>) = 1 [pid 6488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6487] <... futex resumed>) = 0 [pid 6486] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6490] <... setpgid resumed>) = 0 [pid 6488] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6489] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6487] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] setpgid(0, 0 [pid 6487] <... futex resumed>) = 0 [pid 6487] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] <... openat resumed>) = 4 [pid 6491] <... setpgid resumed>) = 0 [pid 6490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6489] <... openat resumed>) = 4 [pid 6491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6490] <... openat resumed>) = 3 [pid 6488] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] <... openat resumed>) = 3 [pid 6490] write(3, "1000", 4) = 4 [pid 6488] <... futex resumed>) = 1 [ 86.452318][ T6489] loop3: detected capacity change from 0 to 1024 [ 86.465719][ T6488] loop2: detected capacity change from 0 to 1024 [pid 6486] <... futex resumed>) = 0 [pid 6491] write(3, "1000", 4 [pid 6490] close(3 [pid 6488] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] <... write resumed>) = 4 [pid 6490] <... close resumed>) = 0 [pid 6489] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6486] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6491] close(3 [pid 6490] symlink("/dev/binderfs", "./binderfs" [pid 6489] <... futex resumed>) = 1 [pid 6488] ftruncate(4, 33554441 [pid 6487] <... futex resumed>) = 0 [pid 6486] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6491] <... close resumed>) = 0 [pid 6490] <... symlink resumed>) = 0 [pid 6487] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] ftruncate(4, 33554441 [pid 6487] <... futex resumed>) = 0 [pid 6491] symlink("/dev/binderfs", "./binderfs" [pid 6487] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 6492 attached [pid 6491] <... symlink resumed>) = 0 [pid 6490] write(1, "executing program\n", 18 [pid 6492] set_robust_list(0x5555832d26a0, 24 [pid 6490] <... write resumed>) = 18 [pid 6492] <... set_robust_list resumed>) = 0 [pid 6490] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] chdir("./48" [pid 6491] write(1, "executing program\n", 18 [pid 6490] <... futex resumed>) = 0 [pid 6490] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6492] <... chdir resumed>) = 0 executing program [pid 6490] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6492] <... prctl resumed>) = 0 [pid 6491] <... write resumed>) = 18 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6492 [pid 6492] setpgid(0, 0 [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6491] <... futex resumed>) = 0 [pid 6492] <... setpgid resumed>) = 0 [pid 6491] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6490] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6490] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6492] <... openat resumed>) = 3 [pid 6491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6490] <... mprotect resumed>) = 0 [pid 6492] write(3, "1000", 4 [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6492] <... write resumed>) = 4 [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6491] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6491] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6492] close(3) = 0 [pid 6492] symlink("/dev/binderfs", "./binderfs" [pid 6490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6493 attached [pid 6492] <... symlink resumed>) = 0 [pid 6491] <... mprotect resumed>) = 0 executing program [pid 6492] write(1, "executing program\n", 18 [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6490] <... clone3 resumed> => {parent_tid=[6493]}, 88) = 6493 [pid 6492] <... write resumed>) = 18 [pid 6491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6492] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6490] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6492] <... futex resumed>) = 0 [pid 6490] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6493] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6493] <... rseq resumed>) = 0 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6493] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6493] <... set_robust_list resumed>) = 0 [pid 6492] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6493] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] <... mprotect resumed>) = 0 [pid 6493] memfd_create("syzkaller", 0 [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6493] <... memfd_create resumed>) = 3 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6495 attached [pid 6493] <... mmap resumed>) = 0x7f3f93e00000 [pid 6495] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6494] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6492] <... clone3 resumed> => {parent_tid=[6495]}, 88) = 6495 [pid 6491] <... clone3 resumed> => {parent_tid=[6494]}, 88) = 6494 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6492] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... rseq resumed>) = 0 [pid 6492] <... futex resumed>) = 0 [pid 6495] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6494] <... rseq resumed>) = 0 [pid 6492] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6491] rt_sigprocmask(SIG_SETMASK, [], [pid 6495] <... set_robust_list resumed>) = 0 [pid 6494] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6495] rt_sigprocmask(SIG_SETMASK, [], [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... set_robust_list resumed>) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], [pid 6491] <... futex resumed>) = 0 [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6495] memfd_create("syzkaller", 0 [pid 6494] memfd_create("syzkaller", 0 [pid 6495] <... memfd_create resumed>) = 3 [pid 6494] <... memfd_create resumed>) = 3 [pid 6495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6494] <... mmap resumed>) = 0x7f3f93e00000 [pid 6487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6486] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... write resumed>) = 524288 [pid 6489] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6488] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6487] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] <... futex resumed>) = 0 [pid 6487] <... futex resumed>) = 0 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6489] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6486] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6489] <... futex resumed>) = 0 [pid 6487] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6486] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6487] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6495] <... write resumed>) = 524288 [pid 6489] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6487] <... mprotect resumed>) = 0 [pid 6486] <... mprotect resumed>) = 0 [pid 6487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6493] munmap(0x7f3f93e00000, 138412032 [pid 6487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6496 attached [pid 6493] <... munmap resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6493] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6488] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6497 attached [pid 6496] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6493] <... openat resumed>) = 4 [pid 6488] <... futex resumed>) = 0 [pid 6487] <... clone3 resumed> => {parent_tid=[6496]}, 88) = 6496 [pid 6486] <... clone3 resumed> => {parent_tid=[6497]}, 88) = 6497 [pid 6496] <... rseq resumed>) = 0 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] rt_sigprocmask(SIG_SETMASK, [], [pid 6496] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6493] ioctl(4, LOOP_SET_FD, 3 [pid 6488] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6496] <... set_robust_list resumed>) = 0 [pid 6495] munmap(0x7f3f93e00000, 138412032 [pid 6487] <... futex resumed>) = 0 [pid 6486] <... futex resumed>) = 0 [pid 6497] <... rseq resumed>) = 0 [pid 6496] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6486] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6496] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6495] <... munmap resumed>) = 0 [pid 6497] <... set_robust_list resumed>) = 0 [pid 6496] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... write resumed>) = 524288 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6496] <... futex resumed>) = 1 [pid 6487] <... futex resumed>) = 0 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6487] exit_group(0 [pid 6497] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6494] munmap(0x7f3f93e00000, 138412032 [pid 6489] <... futex resumed>) = ? [pid 6496] <... futex resumed>) = ? [pid 6487] <... exit_group resumed>) = ? [pid 6489] +++ exited with 0 +++ [pid 6496] +++ exited with 0 +++ [pid 6497] <... unlinkat resumed>) = 0 [pid 6495] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6494] <... munmap resumed>) = 0 [pid 6487] +++ exited with 0 +++ [pid 6497] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... openat resumed>) = 4 [pid 6494] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6493] <... ioctl resumed>) = 0 [pid 6497] <... futex resumed>) = 1 [pid 6495] ioctl(4, LOOP_SET_FD, 3 [pid 6486] <... futex resumed>) = 0 [pid 6497] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] <... ioctl resumed>) = 0 [pid 6494] <... openat resumed>) = 4 [pid 6493] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6487, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6494] ioctl(4, LOOP_SET_FD, 3 [pid 6493] <... close resumed>) = 0 [pid 6486] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6493] close(4 [pid 6497] <... futex resumed>) = ? [pid 6486] <... exit_group resumed>) = ? [pid 6493] <... close resumed>) = 0 [pid 6488] <... futex resumed>) = ? [pid 6488] +++ exited with 0 +++ [pid 6497] +++ exited with 0 +++ [pid 6493] mkdir("./file0", 0777 [pid 6495] close(3 [pid 6493] <... mkdir resumed>) = 0 [pid 6486] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6495] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6495] close(4 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6495] <... close resumed>) = 0 [pid 5831] unlink("./46/binderfs" [pid 6495] mkdir("./file0", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 6495] <... mkdir resumed>) = 0 [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6495] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 86.612543][ T6493] loop1: detected capacity change from 0 to 1024 [ 86.634278][ T6495] loop0: detected capacity change from 0 to 1024 [ 86.652555][ T6494] loop4: detected capacity change from 0 to 1024 [pid 5832] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6493] <... mount resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] newfstatat(3, "", [pid 6493] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6493] chdir("./file0" [pid 5832] getdents64(3, [pid 6493] <... chdir resumed>) = 0 [pid 6493] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6494] <... ioctl resumed>) = 0 [pid 6493] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] close(3 [pid 6493] <... futex resumed>) = 1 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6490] <... futex resumed>) = 0 [pid 6490] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6494] <... close resumed>) = 0 [pid 6493] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5832] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6494] close(4) = 0 [pid 6490] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6495] <... mount resumed>) = 0 [pid 6495] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6494] mkdir("./file0", 0777 [pid 5832] unlink("./46/binderfs" [pid 6495] <... openat resumed>) = 3 [pid 6495] chdir("./file0" [pid 6493] <... openat resumed>) = 4 [pid 6495] <... chdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6495] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6494] <... mkdir resumed>) = 0 [pid 6495] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6494] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6495] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = 1 [pid 6492] <... futex resumed>) = 0 [pid 6493] <... futex resumed>) = 1 [pid 6490] <... futex resumed>) = 0 [pid 6495] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6493] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] <... futex resumed>) = 0 [ 86.669346][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 6490] <... futex resumed>) = 0 [pid 6495] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6493] ftruncate(4, 33554441 [pid 6492] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] <... mount resumed>) = 0 [pid 6495] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 6494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6495] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6495] <... futex resumed>) = 1 [pid 6495] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] <... futex resumed>) = 0 [pid 6494] <... openat resumed>) = 3 [pid 6492] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] <... futex resumed>) = 0 [pid 6492] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6494] chdir("./file0" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6494] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6494] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... openat resumed>) = 4 [pid 6494] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] newfstatat(4, "", [pid 6494] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6494] <... futex resumed>) = 1 [pid 6491] <... futex resumed>) = 0 [pid 5831] getdents64(4, [pid 6491] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6491] <... futex resumed>) = 0 [pid 6495] ftruncate(4, 33554441 [pid 6494] <... openat resumed>) = 4 [pid 6491] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6494] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./46/file0" [pid 6494] <... futex resumed>) = 1 [pid 6491] <... futex resumed>) = 0 [pid 6491] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6491] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] ftruncate(4, 33554441 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./46/file0", [pid 5831] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./46" [pid 6493] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./47", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 86.714561][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 6490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6490] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6490] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6495] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 6493] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6495] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6495] <... futex resumed>) = 1 [pid 6492] <... futex resumed>) = 0 [pid 6490] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] getdents64(4, [pid 6492] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6498 [pid 6490] <... mprotect resumed>) = 0 [pid 6492] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6492] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] getdents64(4, [pid 6495] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6493] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5832] close(4) = 0 [pid 6490] <... clone3 resumed> => {parent_tid=[6499]}, 88) = 6499 ./strace-static-x86_64: Process 6499 attached [pid 5832] rmdir("./46/file0") = 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], [pid 6499] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] getdents64(3, [pid 6499] <... rseq resumed>) = 0 [pid 6490] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6490] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6499] <... set_robust_list resumed>) = 0 [pid 6490] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] close(3 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... close resumed>) = 0 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] rmdir("./46" [pid 6499] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6499] <... unlinkat resumed>) = 0 [pid 5832] mkdir("./47", 0777 [pid 6499] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... unlinkat resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6499] <... futex resumed>) = 1 [pid 6495] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6490] exit_group(0 [pid 5832] <... openat resumed>) = 3 [pid 6493] <... futex resumed>) = ? [pid 6490] <... exit_group resumed>) = ? [pid 6493] +++ exited with 0 +++ [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6495] <... futex resumed>) = 1 [pid 6492] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6492] exit_group(0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6491] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6500 attached ./strace-static-x86_64: Process 6498 attached [pid 6492] <... exit_group resumed>) = ? [pid 6491] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6495] +++ exited with 0 +++ [pid 6491] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6501 attached [pid 6500] set_robust_list(0x5555832d26a0, 24 [pid 6491] <... clone3 resumed> => {parent_tid=[6501]}, 88) = 6501 [pid 6500] <... set_robust_list resumed>) = 0 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], [pid 6501] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6500] chdir("./47" [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] <... rseq resumed>) = 0 [pid 6499] +++ exited with 0 +++ [pid 6494] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6490] +++ exited with 0 +++ [pid 6492] +++ exited with 0 +++ [pid 6498] set_robust_list(0x5555832d26a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6500 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6490, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6498] <... set_robust_list resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6501] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6500] <... chdir resumed>) = 0 [pid 6491] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6501] <... set_robust_list resumed>) = 0 [pid 6500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6498] chdir("./47" [pid 6491] <... futex resumed>) = 0 [pid 5830] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6500] <... prctl resumed>) = 0 [pid 6498] <... chdir resumed>) = 0 [pid 6491] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] rt_sigprocmask(SIG_SETMASK, [], [pid 6500] setpgid(0, 0 [pid 6498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6500] <... setpgid resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6498] <... prctl resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6501] <... unlinkat resumed>) = 0 [pid 6500] <... openat resumed>) = 3 [pid 6498] setpgid(0, 0 [pid 6494] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6501] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] write(3, "1000", 4 [pid 6498] <... setpgid resumed>) = 0 [pid 6494] <... futex resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] newfstatat(3, "", [pid 6500] <... write resumed>) = 4 [pid 6498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6494] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6501] <... futex resumed>) = 1 [pid 6500] close(3 [pid 6498] <... openat resumed>) = 3 [pid 6491] <... futex resumed>) = 0 [pid 5830] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6498] write(3, "1000", 4 [pid 6491] exit_group(0 [pid 5830] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5829] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] <... write resumed>) = 4 [pid 6494] <... futex resumed>) = ? [pid 6491] <... exit_group resumed>) = ? [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] <... close resumed>) = 0 [pid 6498] close(3 [pid 6494] +++ exited with 0 +++ [pid 5830] unlink("./46/binderfs" [pid 5829] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6501] +++ exited with 0 +++ [pid 6500] symlink("/dev/binderfs", "./binderfs" [pid 6498] <... close resumed>) = 0 [pid 6491] +++ exited with 0 +++ [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6500] <... symlink resumed>) = 0 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./48/binderfs" [pid 6498] symlink("/dev/binderfs", "./binderfs" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6491, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... unlink resumed>) = 0 [pid 6500] write(1, "executing program\n", 18 [pid 5829] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program executing program [pid 6500] <... write resumed>) = 18 [pid 6498] <... symlink resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6498] write(1, "executing program\n", 18) = 18 [pid 6500] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6498] <... futex resumed>) = 0 [pid 6500] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6500] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6498] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6502 attached => {parent_tid=[6502]}, 88) = 6502 [pid 6500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6502] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6500] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... rseq resumed>) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6502] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6500] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6502] <... set_robust_list resumed>) = 0 [pid 6502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6502] memfd_create("syzkaller", 0) = 3 [pid 6502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6498] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... openat resumed>) = 3 [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] newfstatat(3, "", [pid 6498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6498] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] getdents64(3, [pid 5829] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./48/file0", [pid 5830] newfstatat(AT_FDCWD, "./46/file0", [pid 6498] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6498] <... mprotect resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] newfstatat(AT_FDCWD, "./47/binderfs", [pid 6498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] unlink("./47/binderfs" [pid 6502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... unlink resumed>) = 0 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6503 attached [pid 6498] <... clone3 resumed> => {parent_tid=[6503]}, 88) = 6503 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6503] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 6503] <... rseq resumed>) = 0 [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 86.845045][ T12] hfsplus: b-tree write err: -5, ino 4 [ 86.851549][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5829] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6503] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6498] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... set_robust_list resumed>) = 0 [pid 6498] <... futex resumed>) = 0 [pid 6498] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6503] memfd_create("syzkaller", 0) = 3 [pid 6502] <... write resumed>) = 524288 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 6503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6502] munmap(0x7f3f93e00000, 138412032 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6503] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] newfstatat(AT_FDCWD, "./47/file0", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6502] <... munmap resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6503] <... write resumed>) = 524288 [pid 6502] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 5830] getdents64(4, [pid 6503] munmap(0x7f3f93e00000, 138412032 [pid 6502] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6503] <... munmap resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] close(4 [pid 6503] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6503] <... openat resumed>) = 4 [pid 5833] close(4) = 0 [pid 6503] ioctl(4, LOOP_SET_FD, 3 [pid 6502] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [ 86.898937][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5833] rmdir("./47/file0" [pid 6503] <... ioctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] rmdir("./46/file0" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6503] close(3 [pid 6502] <... ioctl resumed>) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6503] <... close resumed>) = 0 [pid 6502] close(3 [pid 5833] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6503] close(4 [pid 6502] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] rmdir("./48/file0" [pid 6503] <... close resumed>) = 0 [pid 6502] close(4 [pid 5833] rmdir("./47" [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6503] mkdir("./file0", 0777 [pid 6502] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] getdents64(3, [pid 6503] <... mkdir resumed>) = 0 [pid 6502] mkdir("./file0", 0777 [pid 5833] mkdir("./48", 0777 [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6503] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6502] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] rmdir("./46" [pid 5829] close(3 [pid 6502] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] mkdir("./47", 0777 [pid 5829] rmdir("./48" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] mkdir("./49", 0777 [pid 5833] close(3 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5829] close(3 [pid 6503] <... mount resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6502] <... mount resumed>) = 0 [pid 6503] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 86.950112][ T6503] loop2: detected capacity change from 0 to 1024 [ 86.951230][ T6502] loop3: detected capacity change from 0 to 1024 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6503] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6504 attached ./strace-static-x86_64: Process 6505 attached [pid 6503] chdir("./file0" [pid 6502] chdir("./file0" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6505 [pid 6503] <... chdir resumed>) = 0 [pid 6502] <... chdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6504 ./strace-static-x86_64: Process 6506 attached [pid 6503] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6502] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6503] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6502] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6503] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] set_robust_list(0x5555832d26a0, 24 [pid 6503] <... futex resumed>) = 1 [pid 6502] <... futex resumed>) = 1 [pid 6498] <... futex resumed>) = 0 [pid 6506] set_robust_list(0x5555832d26a0, 24 [pid 6505] <... set_robust_list resumed>) = 0 [pid 6504] set_robust_list(0x5555832d26a0, 24 [pid 6503] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6502] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] <... futex resumed>) = 0 [pid 6498] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... set_robust_list resumed>) = 0 [pid 6498] <... futex resumed>) = 0 [pid 6506] chdir("./47" [pid 6505] chdir("./48" [pid 6504] <... set_robust_list resumed>) = 0 [pid 6503] <... openat resumed>) = 4 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6500] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6506 [pid 6506] <... chdir resumed>) = 0 [pid 6505] <... chdir resumed>) = 0 [pid 6504] chdir("./49" [pid 6503] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6500] <... futex resumed>) = 0 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] <... chdir resumed>) = 0 [pid 6503] <... futex resumed>) = 0 [pid 6502] <... openat resumed>) = 4 [pid 6500] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... prctl resumed>) = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6503] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6502] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6505] setpgid(0, 0 [pid 6504] <... prctl resumed>) = 0 [pid 6502] <... futex resumed>) = 0 [pid 6500] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... setpgid resumed>) = 0 [pid 6504] setpgid(0, 0 [pid 6502] ftruncate(4, 33554441 [pid 6500] <... futex resumed>) = 0 [pid 6505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] <... setpgid resumed>) = 0 [pid 6500] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... prctl resumed>) = 0 [pid 6505] <... openat resumed>) = 3 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6498] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... openat resumed>) = 3 [pid 6506] setpgid(0, 0 [pid 6498] <... futex resumed>) = 1 [pid 6506] <... setpgid resumed>) = 0 [pid 6504] write(3, "1000", 4 [pid 6498] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] <... write resumed>) = 4 [pid 6503] <... futex resumed>) = 0 [pid 6504] close(3 [pid 6503] ftruncate(4, 33554441 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] write(3, "1000", 4 [pid 6504] <... close resumed>) = 0 [pid 6506] <... openat resumed>) = 3 [pid 6505] <... write resumed>) = 4 [pid 6504] symlink("/dev/binderfs", "./binderfs" [pid 6506] write(3, "1000", 4 [pid 6505] close(3 [pid 6504] <... symlink resumed>) = 0 [pid 6506] <... write resumed>) = 4 [pid 6505] <... close resumed>) = 0 [pid 6505] symlink("/dev/binderfs", "./binderfs" [pid 6504] write(1, "executing program\n", 18executing program executing program executing program [pid 6506] close(3 [pid 6505] <... symlink resumed>) = 0 [pid 6504] <... write resumed>) = 18 [pid 6506] <... close resumed>) = 0 [pid 6504] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] symlink("/dev/binderfs", "./binderfs" [pid 6505] write(1, "executing program\n", 18 [pid 6504] <... futex resumed>) = 0 [pid 6506] <... symlink resumed>) = 0 [pid 6505] <... write resumed>) = 18 [pid 6504] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6506] write(1, "executing program\n", 18 [pid 6504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6506] <... write resumed>) = 18 [pid 6504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6506] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6506] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6505] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6504] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6504] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] <... mprotect resumed>) = 0 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6505] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6507 attached [pid 6506] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6505] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6506] <... mprotect resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6505] <... mprotect resumed>) = 0 [pid 6507] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] <... clone3 resumed> => {parent_tid=[6507]}, 88) = 6507 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6508 attached [pid 6507] <... rseq resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6506] <... clone3 resumed> => {parent_tid=[6508]}, 88) = 6508 [pid 6505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6508] <... rseq resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 6504] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6507] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6504] <... futex resumed>) = 0 [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6506] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6509 attached [pid 6508] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] rt_sigprocmask(SIG_SETMASK, [], [pid 6506] <... futex resumed>) = 0 [pid 6505] <... clone3 resumed> => {parent_tid=[6509]}, 88) = 6509 [pid 6500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6509] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6500] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] memfd_create("syzkaller", 0 [pid 6507] memfd_create("syzkaller", 0 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6509] <... rseq resumed>) = 0 [pid 6508] <... memfd_create resumed>) = 3 [pid 6507] <... memfd_create resumed>) = 3 [pid 6509] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6505] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6509] <... set_robust_list resumed>) = 0 [pid 6508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6505] <... futex resumed>) = 0 [pid 6502] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6500] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6509] rt_sigprocmask(SIG_SETMASK, [], [pid 6508] <... mmap resumed>) = 0x7f3f93e00000 [pid 6507] <... mmap resumed>) = 0x7f3f93e00000 [pid 6505] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6500] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6502] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... mprotect resumed>) = 0 [pid 6498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6509] memfd_create("syzkaller", 0 [pid 6508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6503] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6502] <... futex resumed>) = 0 [pid 6500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6498] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... memfd_create resumed>) = 3 [pid 6498] <... futex resumed>) = 0 [pid 6509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6509] <... mmap resumed>) = 0x7f3f93e00000 [pid 6500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6498] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6498] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6510 attached [pid 6503] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] <... mprotect resumed>) = 0 [pid 6498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6503] <... futex resumed>) = 0 [pid 6500] <... clone3 resumed> => {parent_tid=[6510]}, 88) = 6510 [pid 6498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6510] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6503] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] rt_sigprocmask(SIG_SETMASK, [], [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6510] <... rseq resumed>) = 0 [pid 6508] <... write resumed>) = 524288 [pid 6507] <... write resumed>) = 524288 [pid 6500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6500] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... clone3 resumed> => {parent_tid=[6511]}, 88) = 6511 [pid 6500] <... futex resumed>) = 0 [pid 6500] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... set_robust_list resumed>) = 0 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6510] unlinkat(AT_FDCWD, "./file0/file1", 0./strace-static-x86_64: Process 6511 attached ) = 0 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 6511] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... rseq resumed>) = 0 [pid 6498] <... futex resumed>) = 0 [pid 6511] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6498] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6510] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... set_robust_list resumed>) = 0 [pid 6509] <... write resumed>) = 524288 [pid 6508] munmap(0x7f3f93e00000, 138412032 [pid 6507] munmap(0x7f3f93e00000, 138412032 [pid 6511] rt_sigprocmask(SIG_SETMASK, [], [pid 6510] <... futex resumed>) = 1 [pid 6509] munmap(0x7f3f93e00000, 138412032 [pid 6507] <... munmap resumed>) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6510] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6509] <... munmap resumed>) = 0 [pid 6508] <... munmap resumed>) = 0 [pid 6507] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6500] exit_group(0 [pid 6511] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6507] <... openat resumed>) = 4 [pid 6510] <... futex resumed>) = ? [pid 6509] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6508] <... openat resumed>) = 4 [pid 6507] ioctl(4, LOOP_SET_FD, 3 [pid 6502] <... futex resumed>) = ? [pid 6500] <... exit_group resumed>) = ? [pid 6511] <... unlinkat resumed>) = 0 [pid 6510] +++ exited with 0 +++ [pid 6509] <... openat resumed>) = 4 [pid 6508] ioctl(4, LOOP_SET_FD, 3 [pid 6502] +++ exited with 0 +++ [pid 6500] +++ exited with 0 +++ [pid 6511] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] ioctl(4, LOOP_SET_FD, 3 [pid 6507] <... ioctl resumed>) = 0 [pid 6511] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6500, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6511] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6507] close(3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6507] <... close resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6507] close(4) = 0 [pid 6507] mkdir("./file0", 0777 [pid 5832] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6507] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6507] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5832] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./47/binderfs") = 0 [pid 5832] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] <... ioctl resumed>) = 0 [pid 6509] <... ioctl resumed>) = 0 [pid 6498] exit_group(0 [pid 6511] <... futex resumed>) = ? [pid 6503] <... futex resumed>) = ? [pid 6498] <... exit_group resumed>) = ? [pid 6511] +++ exited with 0 +++ [pid 6509] close(3 [pid 6508] close(3 [pid 6503] +++ exited with 0 +++ [pid 6509] <... close resumed>) = 0 [pid 6508] <... close resumed>) = 0 [pid 6509] close(4 [pid 6508] close(4 [pid 6509] <... close resumed>) = 0 [pid 6508] <... close resumed>) = 0 [pid 6509] mkdir("./file0", 0777 [pid 6508] mkdir("./file0", 0777 [pid 6509] <... mkdir resumed>) = 0 [pid 6508] <... mkdir resumed>) = 0 [pid 6498] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6498, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6509] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6508] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5831] <... restart_syscall resumed>) = 0 [pid 6507] <... mount resumed>) = 0 [pid 5831] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6507] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6507] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6507] chdir("./file0" [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6507] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6507] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6507] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6507] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 5831] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6504] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6504] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6504] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./47/binderfs" [pid 6507] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [ 87.158065][ T6507] loop0: detected capacity change from 0 to 1024 [ 87.161284][ T6508] loop1: detected capacity change from 0 to 1024 [ 87.172035][ T6509] loop4: detected capacity change from 0 to 1024 [ 87.178939][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6507] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = 0 [pid 6507] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6507] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6509] <... mount resumed>) = 0 [pid 6507] ftruncate(4, 33554441 [pid 6504] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6508] <... mount resumed>) = 0 [pid 5832] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6509] <... openat resumed>) = 3 [pid 6508] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6509] chdir("./file0" [pid 6508] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6509] <... chdir resumed>) = 0 [pid 6508] chdir("./file0" [pid 6509] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6508] <... chdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6509] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... openat resumed>) = 4 [pid 6509] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(4, "", [pid 6509] <... futex resumed>) = 1 [pid 6508] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... futex resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6509] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6508] <... futex resumed>) = 1 [pid 6505] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... futex resumed>) = 0 [pid 5832] getdents64(4, [pid 6506] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6509] <... openat resumed>) = 4 [pid 6508] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 0 [pid 5832] getdents64(4, [pid 6506] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6508] <... openat resumed>) = 4 [pid 5832] close(4 [pid 6508] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... close resumed>) = 0 [pid 6508] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 5832] rmdir("./47/file0" [pid 6508] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 6506] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 6508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6508] ftruncate(4, 33554441 [pid 5832] close(3 [pid 6509] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 6509] <... futex resumed>) = 1 [pid 6505] <... futex resumed>) = 0 [pid 5832] rmdir("./47" [pid 6505] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] ftruncate(4, 33554441 [pid 6505] <... futex resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./48", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6505] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... ioctl resumed>) = 0 [ 87.221963][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5831] newfstatat(AT_FDCWD, "./47/file0", [pid 5832] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... close resumed>) = 0 [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6504] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6504] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(4 [pid 6504] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./47/file0" [pid 6504] <... mprotect resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6512 attached [pid 6506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6512 [pid 5831] getdents64(3, [pid 6506] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6512] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6507] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] close(3 [pid 6506] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6506] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6504] <... clone3 resumed> => {parent_tid=[6513]}, 88) = 6513 [pid 6512] chdir("./48" [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 6513 attached [pid 6512] <... chdir resumed>) = 0 [pid 6506] <... mprotect resumed>) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6504] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./47" [pid 6506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6513] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] <... futex resumed>) = 0 [pid 6513] <... rseq resumed>) = 0 [pid 6512] <... prctl resumed>) = 0 [pid 6507] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... rmdir resumed>) = 0 [pid 6512] setpgid(0, 0 [pid 6513] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6507] <... futex 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6513] <... set_robust_list resumed>) = 0 [pid 6512] <... setpgid resumed>) = 0 [pid 6507] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6514 attached NULL, 8) = 0 [pid 6506] <... clone3 resumed> => {parent_tid=[6514]}, 88) = 6514 [pid 5831] mkdir("./48", 0777 [pid 6513] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 6512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6513] <... unlinkat resumed>) = 0 [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6512] <... openat resumed>) = 3 [pid 6506] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6514] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6512] write(3, "1000", 4 [pid 6506] <... futex resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6514] <... rseq resumed>) = 0 [pid 6512] <... write resumed>) = 4 [pid 6506] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] close(3 [pid 6514] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6513] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] close(3 [pid 6509] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6513] <... futex resumed>) = 1 [pid 6512] <... close resumed>) = 0 [pid 6505] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = 0 [pid 6512] symlink("/dev/binderfs", "./binderfs" [pid 6505] <... futex resumed>) = 0 [pid 6504] exit_group(0 [pid 6514] <... set_robust_list resumed>) = 0 [pid 6512] <... symlink resumed>) = 0 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], [pid 6507] <... futex resumed>) = ? [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6504] <... exit_group resumed>) = ? [pid 5831] <... close resumed>) = 0 [pid 6507] +++ exited with 0 +++ [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 6514] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6512] write(1, "executing program\n", 18 [pid 6509] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6505] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6512] <... write resumed>) = 18 [pid 6514] <... unlinkat resumed>) = 0 [pid 6512] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... mprotect resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6515 [pid 6512] <... futex resumed>) = 0 [pid 6509] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6508] <... futex resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6515 attached [pid 6513] +++ exited with 0 +++ [pid 6512] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6508] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6504] +++ exited with 0 +++ [pid 6514] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6515] set_robust_list(0x5555832d26a0, 24 [pid 6514] <... futex resumed>) = 1 [pid 6512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6506] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 6516 attached [pid 6515] <... set_robust_list resumed>) = 0 [pid 6514] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] exit_group(0 [pid 6505] <... clone3 resumed> => {parent_tid=[6516]}, 88) = 6516 [pid 6516] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6515] chdir("./48" [pid 6514] <... futex resumed>) = ? [pid 6512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6508] <... futex resumed>) = ? [pid 6506] <... exit_group resumed>) = ? [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6516] <... rseq resumed>) = 0 [pid 6515] <... chdir resumed>) = 0 [pid 6514] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 5829] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6516] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6506] +++ exited with 0 +++ [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6516] <... set_robust_list resumed>) = 0 [pid 6515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6512] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6505] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6516] rt_sigprocmask(SIG_SETMASK, [], [pid 6515] <... prctl resumed>) = 0 [pid 6512] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6505] <... futex resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6506, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] setpgid(0, 0 [pid 6512] <... mprotect resumed>) = 0 [pid 6505] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6516] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6515] <... setpgid resumed>) = 0 [pid 6512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] unlink("./49/binderfs") = 0 [pid 5829] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] <... openat resumed>) = 3 [pid 5830] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6516] <... unlinkat resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6516] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] write(3, "1000", 4 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6512] <... clone3 resumed> => {parent_tid=[6517]}, 88) = 6517 [pid 6516] <... futex resumed>) = 1 [pid 6515] <... write resumed>) = 4 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6515] close(3 [pid 6512] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6517 attached [pid 6516] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6515] <... close resumed>) = 0 [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] <... futex resumed>) = 0 [pid 5830] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6515] symlink("/dev/binderfs", "./binderfs" [pid 6512] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6517] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6505] exit_group(0 [pid 6517] <... set_robust_list resumed>) = 0 [pid 6517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 6517] memfd_create("syzkaller", 0 [pid 6516] <... futex resumed>) = ? [pid 6515] <... symlink resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6509] <... futex resumed>) = ? [pid 6505] <... exit_group resumed>) = ? [pid 5830] newfstatat(AT_FDCWD, "./47/binderfs", [pid 6515] write(1, "executing program\n", 18 [pid 6512] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6509] +++ exited with 0 +++ [pid 6515] <... write resumed>) = 18 [pid 5830] unlink("./47/binderfs" [pid 6517] <... memfd_create resumed>) = 3 [pid 6515] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6515] <... futex resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6516] +++ exited with 0 +++ [pid 6505] +++ exited with 0 +++ [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6505, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] unlink("./48/binderfs" [pid 6515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6515] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... umount2 resumed>) = 0 [pid 6515] <... mprotect resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5829] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6518 attached [pid 6517] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6518] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6515] <... clone3 resumed> => {parent_tid=[6518]}, 88) = 6518 [pid 6518] <... rseq resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6515] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6515] <... futex resumed>) = 0 [pid 6518] <... set_robust_list resumed>) = 0 [pid 6515] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6518] memfd_create("syzkaller", 0 [pid 5829] getdents64(4, [pid 6518] <... memfd_create resumed>) = 3 [pid 6518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6518] <... mmap resumed>) = 0x7f3f93e00000 [pid 6517] munmap(0x7f3f93e00000, 138412032 [pid 5829] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./49/file0") = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [ 87.364659][ T12] hfsplus: b-tree write err: -5, ino 4 [ 87.397528][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 87.407055][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 5829] rmdir("./49") = 0 [pid 6518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6517] <... munmap resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] mkdir("./50", 0777 [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./48/file0", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5829] close(3 [pid 6518] <... write resumed>) = 524288 [pid 6517] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./47/file0", [pid 6517] <... openat resumed>) = 4 [pid 6517] ioctl(4, LOOP_SET_FD, 3 [pid 5833] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5833] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 6518] munmap(0x7f3f93e00000, 138412032 [pid 5833] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6518] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] rmdir("./48/file0" [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6518] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(4 [pid 6518] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] rmdir("./47/file0"./strace-static-x86_64: Process 6519 attached ) = 0 [pid 6519] set_robust_list(0x5555832d26a0, 24 [pid 5833] getdents64(3, [pid 5830] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6519 [pid 6519] <... set_robust_list resumed>) = 0 [pid 5830] close(3 [pid 6519] chdir("./50" [pid 6517] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6519] <... chdir resumed>) = 0 [pid 6517] close(3 [pid 5833] rmdir("./48" [pid 5830] <... close resumed>) = 0 [pid 6519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6517] <... close resumed>) = 0 [pid 6519] <... prctl resumed>) = 0 [pid 6519] setpgid(0, 0) = 0 [pid 6517] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] rmdir("./47" [pid 6519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6517] <... close resumed>) = 0 [pid 6519] write(3, "1000", 4) = 4 [pid 6517] mkdir("./file0", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 6519] close(3) = 0 [pid 6519] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6519] write(1, "executing program\n", 18) = 18 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6519] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, 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 [pid 6518] <... ioctl resumed>) = 0 [pid 6519] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6519] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6518] close(3 [pid 6519] <... mprotect resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6518] <... close resumed>) = 0 [pid 6519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6518] close(4 [pid 6517] <... mkdir resumed>) = 0 [pid 5833] mkdir("./49", 0777 [pid 5830] mkdir("./48", 0777 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6518] <... close resumed>) = 0 ./strace-static-x86_64: Process 6520 attached [pid 6518] mkdir("./file0", 0777 [pid 5830] <... mkdir resumed>) = 0 [pid 6520] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6519] <... clone3 resumed> => {parent_tid=[6520]}, 88) = 6520 [pid 6518] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6517] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 6520] <... rseq resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6520] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6520] <... set_robust_list resumed>) = 0 [pid 6519] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6520] rt_sigprocmask(SIG_SETMASK, [], [pid 6519] <... futex resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] <... ioctl resumed>) = 0 [pid 6520] memfd_create("syzkaller", 0 [pid 5830] close(3 [pid 5833] close(3 [pid 6520] <... memfd_create resumed>) = 3 [pid 6520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5830] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [ 87.448378][ T6517] loop3: detected capacity change from 0 to 1024 [ 87.462124][ T6518] loop2: detected capacity change from 0 to 1024 [pid 6520] munmap(0x7f3f93e00000, 138412032 [pid 6518] <... mount resumed>) = 0 [pid 6517] <... mount resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6520] <... munmap resumed>) = 0 [pid 6518] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6517] chdir("./file0") = 0 [pid 6518] <... openat resumed>) = 3 [pid 6517] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6518] chdir("./file0" [pid 6517] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6521 attached [pid 6518] <... chdir resumed>) = 0 [pid 6517] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6517] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6518] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6517] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6522 attached [pid 6521] set_robust_list(0x5555832d26a0, 24 [pid 6520] <... openat resumed>) = 4 [pid 6518] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] <... futex resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6521 [pid 6521] <... set_robust_list resumed>) = 0 [pid 6520] ioctl(4, LOOP_SET_FD, 3 [pid 6518] <... futex resumed>) = 1 [pid 6522] set_robust_list(0x5555832d26a0, 24 [pid 6517] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6515] <... futex resumed>) = 0 [pid 6512] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6522 [pid 6521] chdir("./48") = 0 [pid 6518] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6517] <... openat resumed>) = 4 [pid 6515] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6518] <... openat resumed>) = 4 [pid 6515] <... futex resumed>) = 0 [pid 6521] <... prctl resumed>) = 0 [pid 6515] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] setpgid(0, 0) = 0 [pid 6518] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = 1 [pid 6517] <... futex resumed>) = 1 [pid 6515] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6517] ftruncate(4, 33554441 [pid 6515] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6515] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... set_robust_list resumed>) = 0 [pid 6521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6518] ftruncate(4, 33554441 [pid 6522] chdir("./49") = 0 [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6522] setpgid(0, 0 [pid 6521] <... openat resumed>) = 3 [pid 6522] <... setpgid resumed>) = 0 [pid 6520] <... ioctl resumed>) = 0 [pid 6520] close(3) = 0 [pid 6520] close(4) = 0 [pid 6520] mkdir("./file0", 0777 [pid 6521] write(3, "1000", 4 [pid 6520] <... mkdir resumed>) = 0 [pid 6521] <... write resumed>) = 4 [pid 6521] close(3) = 0 [pid 6521] symlink("/dev/binderfs", "./binderfs" [pid 6520] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6521] <... symlink resumed>) = 0 executing program [pid 6521] write(1, "executing program\n", 18) = 18 [pid 6521] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6521] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6522] <... openat resumed>) = 3 [pid 6521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6522] write(3, "1000", 4 [pid 6521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6522] <... write resumed>) = 4 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6520] <... mount resumed>) = 0 [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6522] close(3 [pid 6521] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6522] <... close resumed>) = 0 [pid 6520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6521] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6520] <... openat resumed>) = 3 [pid 6522] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6521] <... mprotect resumed>) = 0 [pid 6520] chdir("./file0" [pid 6521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6520] <... chdir resumed>) = 0 [pid 6520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6520] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6520] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6523 attached ) = 1 executing program [pid 6521] <... clone3 resumed> => {parent_tid=[6523]}, 88) = 6523 [pid 6520] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] write(1, "executing program\n", 18) = 18 [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 6519] <... futex resumed>) = 0 [pid 6523] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6519] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... rseq resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 0 [pid 6519] <... futex resumed>) = 1 [pid 6523] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6521] <... futex resumed>) = 0 [pid 6520] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6523] <... set_robust_list resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6520] <... openat resumed>) = 4 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 87.523778][ T6520] loop0: detected capacity change from 0 to 1024 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], [pid 6522] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] <... futex resumed>) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6523] memfd_create("syzkaller", 0 [pid 6522] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6519] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6515] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 0 [pid 6523] <... memfd_create resumed>) = 3 [pid 6520] ftruncate(4, 33554441 [pid 6519] <... futex resumed>) = 0 [pid 6515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... mmap resumed>) = 0x7f3f93e00000 [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6512] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6515] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6512] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6515] <... mprotect resumed>) = 0 [pid 6512] <... mprotect resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6522] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6522] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6517] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6522] <... mprotect resumed>) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6524 attached [pid 6523] <... write resumed>) = 524288 [pid 6512] <... clone3 resumed> => {parent_tid=[6524]}, 88) = 6524 ./strace-static-x86_64: Process 6525 attached [pid 6525] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6517] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... clone3 resumed> => {parent_tid=[6525]}, 88) = 6525 [pid 6512] rt_sigprocmask(SIG_SETMASK, [], [pid 6525] <... rseq resumed>) = 0 [pid 6522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6517] <... futex resumed>) = 0 [pid 6525] set_robust_list(0x7f3f9c25b9a0, 24 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6517] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] <... set_robust_list resumed>) = 0 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], [pid 6515] rt_sigprocmask(SIG_SETMASK, [], [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6512] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6526 attached [pid 6525] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6522] <... clone3 resumed> => {parent_tid=[6526]}, 88) = 6526 [pid 6515] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... rseq resumed>) = 0 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], [pid 6512] <... futex resumed>) = 0 [pid 6526] <... rseq resumed>) = 0 [pid 6525] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] <... futex resumed>) = 0 [pid 6526] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6524] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6515] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... set_robust_list resumed>) = 0 [pid 6524] <... set_robust_list resumed>) = 0 [pid 6522] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], [pid 6524] rt_sigprocmask(SIG_SETMASK, [], [pid 6523] munmap(0x7f3f93e00000, 138412032 [pid 6522] <... futex resumed>) = 0 [pid 6526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6523] <... munmap resumed>) = 0 [pid 6526] memfd_create("syzkaller", 0 [pid 6524] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6522] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6526] <... memfd_create resumed>) = 3 [pid 6524] <... unlinkat resumed>) = 0 [pid 6523] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6524] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... openat resumed>) = 4 [pid 6526] <... mmap resumed>) = 0x7f3f93e00000 [pid 6525] <... unlinkat resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] ioctl(4, LOOP_SET_FD, 3 [pid 6518] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6512] <... futex resumed>) = 0 [pid 6512] exit_group(0) = ? [pid 6526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6525] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6518] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... futex resumed>) = ? [pid 6525] <... futex resumed>) = 1 [pid 6524] +++ exited with 0 +++ [pid 6523] <... ioctl resumed>) = 0 [pid 6520] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6515] <... futex resumed>) = 0 [pid 6523] close(3 [pid 6519] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] exit_group(0 [pid 6523] <... close resumed>) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6515] <... exit_group resumed>) = ? [pid 6523] close(4 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... close resumed>) = 0 [pid 6523] mkdir("./file0", 0777 [pid 6526] <... write resumed>) = 524288 [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = ? [pid 6517] +++ exited with 0 +++ [pid 6512] +++ exited with 0 +++ [pid 6526] munmap(0x7f3f93e00000, 138412032 [pid 6525] +++ exited with 0 +++ [pid 6523] <... mkdir resumed>) = 0 [pid 6520] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6519] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 6518] +++ exited with 0 +++ [pid 6515] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6512, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6526] <... munmap resumed>) = 0 [pid 6523] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6520] <... unlinkat resumed>) = 0 [pid 6526] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6515, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6526] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6526] ioctl(4, LOOP_SET_FD, 3 [pid 6520] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 5832] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 6519] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] <... exit_group resumed>) = ? [pid 5832] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(3, "", [pid 5832] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6526] <... ioctl resumed>) = 0 [pid 6523] <... mount resumed>) = 0 [pid 6520] +++ exited with 0 +++ [pid 6519] +++ exited with 0 +++ [pid 5832] newfstatat(3, "", [pid 5831] getdents64(3, [pid 6526] close(3 [pid 6523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6526] <... close resumed>) = 0 [pid 6523] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6519, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6526] close(4 [pid 5832] getdents64(3, [pid 6526] <... close resumed>) = 0 [pid 6523] chdir("./file0" [pid 6526] mkdir("./file0", 0777 [pid 6523] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6523] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6526] <... mkdir resumed>) = 0 [pid 6523] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6521] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5831] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 6526] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6523] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(3, "", [pid 5832] unlink("./48/binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6523] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... mount resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5829] getdents64(3, [pid 6523] <... futex resumed>) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] ftruncate(4, 33554441 [pid 6521] <... futex resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6526] <... openat resumed>) = 3 [ 87.644114][ T6523] loop1: detected capacity change from 0 to 1024 [ 87.672260][ T6526] loop4: detected capacity change from 0 to 1024 [pid 5829] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./48/binderfs" [pid 6526] chdir("./file0" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./50/binderfs") = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5829] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6526] <... chdir resumed>) = 0 [pid 6526] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6526] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6526] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6522] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... openat resumed>) = 4 [pid 6526] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6526] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6526] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = 0 [pid 6522] <... futex resumed>) = 1 [pid 6526] ftruncate(4, 33554441 [pid 6522] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = 0 [pid 6521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6521] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6523] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... futex resumed>) = 0 [pid 6521] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6523] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5829] <... umount2 resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./48/file0", [pid 5829] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./50/file0", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6521] <... clone3 resumed> => {parent_tid=[6527]}, 88) = 6527 [pid 5832] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6527 attached [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(4, "", [pid 6527] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6527] <... rseq resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6527] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6521] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6527] <... set_robust_list resumed>) = 0 [pid 6521] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] newfstatat(4, "", [pid 6527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6527] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6527] <... unlinkat resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 5832] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5832] close(4 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6527] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 5829] close(4 [pid 6527] <... futex resumed>) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6527] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] exit_group(0 [pid 5829] <... close resumed>) = 0 [pid 6527] <... futex resumed>) = ? [pid 6523] <... futex resumed>) = ? [pid 6521] <... exit_group resumed>) = ? [pid 5829] rmdir("./50/file0" [pid 5832] rmdir("./48/file0" [pid 6527] +++ exited with 0 +++ [pid 6523] +++ exited with 0 +++ [pid 6521] +++ exited with 0 +++ [pid 6526] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6521, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] getdents64(3, [pid 6526] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 5832] close(3 [pid 5829] close(3 [pid 6526] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [ 87.714770][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 87.734222][ T35] hfsplus: b-tree write err: -5, ino 4 [ 87.752577][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5832] rmdir("./48" [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./50" [pid 6526] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6522] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./48/file0", [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6526] <... unlinkat resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./51", 0777 [pid 6526] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6526] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 5832] mkdir("./49", 0777 [pid 5830] <... openat resumed>) = 3 [pid 6522] exit_group(0 [pid 5831] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6522] <... exit_group resumed>) = ? [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] newfstatat(3, "", [pid 6526] +++ exited with 0 +++ [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6522] +++ exited with 0 +++ [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6522, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(3, [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5831] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5833] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./48/file0" [pid 5833] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5831] getdents64(3, [pid 5830] unlink("./48/binderfs" [pid 5829] close(3 [pid 5833] newfstatat(3, "", [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(3 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6528 attached [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6528 [pid 5833] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6528] set_robust_list(0x5555832d26a0, 24 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./48" [pid 5833] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5831] <... rmdir resumed>) = 0 [pid 6528] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./49/binderfs" [pid 6528] chdir("./49" [pid 5833] <... unlink resumed>) = 0 [pid 6528] <... chdir resumed>) = 0 [pid 5831] mkdir("./49", 0777 [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6529 attached [pid 6528] setpgid(0, 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... umount2 resumed>) = 0 [pid 6528] <... setpgid resumed>) = 0 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 6529] set_robust_list(0x5555832d26a0, 24 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6529] <... set_robust_list resumed>) = 0 [pid 6528] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6529] chdir("./51" [pid 5831] close(3 [pid 6528] write(3, "1000", 4 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6529 [pid 6529] <... chdir resumed>) = 0 [pid 6528] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6528] close(3 [pid 5830] newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6529] <... prctl resumed>) = 0 [pid 6528] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6529] setpgid(0, 0 [pid 6528] symlink("/dev/binderfs", "./binderfs"executing program ./strace-static-x86_64: Process 6530 attached [pid 6529] <... setpgid resumed>) = 0 [pid 6528] <... symlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] getdents64(4, [pid 6528] write(1, "executing program\n", 18 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6528] <... write resumed>) = 18 [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6530] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6529] <... openat resumed>) = 3 [pid 6528] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6530 [pid 6530] chdir("./49" [pid 6528] <... futex resumed>) = 0 [pid 6529] write(3, "1000", 4 [pid 5833] newfstatat(AT_FDCWD, "./49/file0", [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6530] <... chdir resumed>) = 0 [pid 6529] <... write resumed>) = 4 [pid 6528] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6529] close(3 [pid 6528] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] <... prctl resumed>) = 0 [pid 6528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6529] <... close resumed>) = 0 [pid 6529] symlink("/dev/binderfs", "./binderfs" [pid 6528] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] <... openat resumed>) = 4 [pid 5830] close(4 [pid 6530] setpgid(0, 0 [pid 6529] <... symlink resumed>) = 0 [pid 6528] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] newfstatat(4, "", [pid 5830] <... close resumed>) = 0 [pid 6530] <... setpgid resumed>) = 0 [pid 6528] <... mprotect resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] rmdir("./48/file0" [pid 6530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] write(1, "executing program\n", 18executing program [pid 6528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 6530] <... openat resumed>) = 3 [pid 6529] <... write resumed>) = 18 [pid 6528] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(3, [pid 6530] write(3, "1000", 4 [pid 6529] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6531 attached [pid 6530] <... write resumed>) = 4 [pid 6529] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6531] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6530] close(3 [pid 6529] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6528] <... clone3 resumed> => {parent_tid=[6531]}, 88) = 6531 [pid 5833] close(4 [pid 5830] <... close resumed>) = 0 [ 87.819502][ T12] hfsplus: b-tree write err: -5, ino 4 [ 87.839820][ T12] hfsplus: b-tree write err: -5, ino 4 [pid 6531] <... rseq resumed>) = 0 [pid 6530] <... close resumed>) = 0 [pid 6529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6528] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... close resumed>) = 0 [pid 5830] rmdir("./48" [pid 6531] set_robust_list(0x7f3f9c27c9a0, 24 [pid 5833] rmdir("./49/file0" [pid 6531] <... set_robust_list resumed>) = 0 [pid 6530] symlink("/dev/binderfs", "./binderfs" [pid 6529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6531] rt_sigprocmask(SIG_SETMASK, [], [pid 6530] <... symlink resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6528] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] getdents64(3, [pid 5830] mkdir("./49", 0777 [pid 6531] memfd_create("syzkaller", 0) = 3 executing program [pid 6530] write(1, "executing program\n", 18 [pid 6529] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6528] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6530] <... write resumed>) = 18 [pid 6529] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6528] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] close(3 [pid 6530] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... mprotect resumed>) = 0 [pid 6530] <... futex resumed>) = 0 [pid 6531] <... mmap resumed>) = 0x7f3f93e00000 [pid 6530] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] rmdir("./49" [pid 6530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6532 attached [pid 6531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6532] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6532] <... rseq resumed>) = 0 [pid 6532] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6530] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6532] <... set_robust_list resumed>) = 0 [pid 6530] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6529] <... clone3 resumed> => {parent_tid=[6532]}, 88) = 6532 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], [pid 6530] <... mprotect resumed>) = 0 [pid 6532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6532] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] mkdir("./50", 0777 [pid 5830] <... ioctl resumed>) = 0 [pid 6529] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 6532] <... futex resumed>) = 0 [pid 6530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6529] <... futex resumed>) = 1 [pid 5830] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6529] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6533 attached [pid 6532] memfd_create("syzkaller", 0 [pid 6533] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6530] <... clone3 resumed> => {parent_tid=[6533]}, 88) = 6533 [pid 6533] <... rseq resumed>) = 0 [pid 6532] <... memfd_create resumed>) = 3 [pid 6533] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6530] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] <... set_robust_list resumed>) = 0 [pid 6532] <... mmap resumed>) = 0x7f3f93e00000 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 6530] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6531] <... write resumed>) = 524288 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] <... futex resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6533] memfd_create("syzkaller", 0 [pid 6532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6531] munmap(0x7f3f93e00000, 138412032 [pid 6530] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6534 attached [pid 6533] <... memfd_create resumed>) = 3 [pid 6531] <... munmap resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6535 attached [pid 6534] set_robust_list(0x5555832d26a0, 24 [pid 6533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6534 [pid 6534] <... set_robust_list resumed>) = 0 [pid 6533] <... mmap resumed>) = 0x7f3f93e00000 [pid 6531] <... openat resumed>) = 4 [pid 6534] chdir("./49" [pid 6531] ioctl(4, LOOP_SET_FD, 3 [pid 6534] <... chdir resumed>) = 0 [pid 6533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6532] <... write resumed>) = 524288 [pid 6531] <... ioctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6535 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6534] setpgid(0, 0 [pid 6535] set_robust_list(0x5555832d26a0, 24 [pid 6534] <... setpgid resumed>) = 0 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6535] <... set_robust_list resumed>) = 0 [pid 6534] write(3, "1000", 4 [pid 6535] chdir("./50" [pid 6534] <... write resumed>) = 4 [pid 6535] <... chdir resumed>) = 0 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6535] setpgid(0, 0 [pid 6534] close(3 [pid 6535] <... setpgid resumed>) = 0 [pid 6534] <... close resumed>) = 0 [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6534] symlink("/dev/binderfs", "./binderfs"executing program [pid 6535] <... openat resumed>) = 3 [pid 6534] <... symlink resumed>) = 0 [pid 6532] munmap(0x7f3f93e00000, 138412032 [pid 6534] write(1, "executing program\n", 18) = 18 [pid 6534] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6534] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6535] write(3, "1000", 4 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6533] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6536 attached [pid 6535] <... write resumed>) = 4 [pid 6532] <... munmap resumed>) = 0 [pid 6534] <... clone3 resumed> => {parent_tid=[6536]}, 88) = 6536 [pid 6536] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6531] close(3 [pid 6536] <... rseq resumed>) = 0 [pid 6535] close(3 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6532] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6536] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6535] <... close resumed>) = 0 [pid 6534] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... openat resumed>) = 4 [pid 6531] <... close resumed>) = 0 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6535] symlink("/dev/binderfs", "./binderfs" [pid 6534] <... futex resumed>) = 0 [pid 6533] munmap(0x7f3f93e00000, 138412032 [pid 6532] ioctl(4, LOOP_SET_FD, 3 [pid 6531] close(4executing program [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6535] <... symlink resumed>) = 0 [pid 6534] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6533] <... munmap resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6531] <... close resumed>) = 0 [pid 6531] mkdir("./file0", 0777 [pid 6535] write(1, "executing program\n", 18 [pid 6533] <... openat resumed>) = 4 [pid 6531] <... mkdir resumed>) = 0 [pid 6533] ioctl(4, LOOP_SET_FD, 3 [pid 6535] <... write resumed>) = 18 [pid 6532] <... ioctl resumed>) = 0 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... ioctl resumed>) = 0 [pid 6531] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6536] memfd_create("syzkaller", 0 [pid 6535] <... futex resumed>) = 0 [pid 6533] close(3 [pid 6532] close(3 [pid 6536] <... memfd_create resumed>) = 3 [pid 6535] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6533] <... close resumed>) = 0 [pid 6532] <... close resumed>) = 0 [pid 6536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6535] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6533] close(4 [pid 6532] close(4 [pid 6536] <... mmap resumed>) = 0x7f3f93e00000 [pid 6535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6533] <... close resumed>) = 0 [pid 6532] <... close resumed>) = 0 [pid 6531] <... mount resumed>) = 0 [pid 6536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] mkdir("./file0", 0777 [pid 6532] mkdir("./file0", 0777 [pid 6531] <... openat resumed>) = 3 [pid 6531] chdir("./file0" [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6533] <... mkdir resumed>) = 0 [pid 6532] <... mkdir resumed>) = 0 [pid 6531] <... chdir resumed>) = 0 [pid 6535] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6535] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6532] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6533] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6531] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6531] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... write resumed>) = 524288 [ 87.963585][ T6531] loop3: detected capacity change from 0 to 1024 [ 87.991681][ T6532] loop0: detected capacity change from 0 to 1024 [ 88.003204][ T6533] loop2: detected capacity change from 0 to 1024 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6531] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6528] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6537 attached [pid 6535] <... clone3 resumed> => {parent_tid=[6537]}, 88) = 6537 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6528] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6531] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6537] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6531] <... openat resumed>) = 4 [pid 6537] <... rseq resumed>) = 0 [pid 6537] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6537] memfd_create("syzkaller", 0) = 3 [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6531] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] munmap(0x7f3f93e00000, 138412032 [pid 6537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6536] <... munmap resumed>) = 0 [pid 6532] <... mount resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6528] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6531] ftruncate(4, 33554441 [pid 6528] <... futex resumed>) = 0 [pid 6532] <... openat resumed>) = 3 [pid 6528] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] chdir("./file0" [pid 6536] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6536] ioctl(4, LOOP_SET_FD, 3 [pid 6532] <... chdir resumed>) = 0 [pid 6532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6532] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6529] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] <... write resumed>) = 524288 [pid 6537] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6536] <... ioctl resumed>) = 0 [pid 6533] <... mount resumed>) = 0 [pid 6532] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6533] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6537] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6533] chdir("./file0" [pid 6532] <... openat resumed>) = 4 [pid 6537] <... openat resumed>) = 4 [pid 6536] close(3 [pid 6533] <... chdir resumed>) = 0 [pid 6537] ioctl(4, LOOP_SET_FD, 3 [pid 6536] <... close resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6532] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6533] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6532] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6533] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6529] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6530] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6530] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] ftruncate(4, 33554441 [pid 6533] <... openat resumed>) = 4 [pid 6536] close(4 [pid 6533] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6530] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... close resumed>) = 0 [pid 6533] ftruncate(4, 33554441 [pid 6530] <... futex resumed>) = 0 [pid 6536] mkdir("./file0", 0777 [pid 6531] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... mkdir resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6536] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6531] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6531] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... futex resumed>) = 0 [pid 6531] <... futex resumed>) = 0 [pid 6528] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6531] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... ioctl resumed>) = 0 [pid 6537] close(3) = 0 [pid 6528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] close(4) = 0 [pid 6528] exit_group(0 [pid 6537] mkdir("./file0", 0777 [pid 6531] <... futex resumed>) = ? [pid 6528] <... exit_group resumed>) = ? [pid 6537] <... mkdir resumed>) = 0 [pid 6531] +++ exited with 0 +++ [pid 6537] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6528] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6528, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [ 88.056839][ T6536] loop1: detected capacity change from 0 to 1024 [ 88.088979][ T6537] loop4: detected capacity change from 0 to 1024 [pid 5832] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6536] <... mount resumed>) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6536] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6536] chdir("./file0" [pid 5832] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6536] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6536] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] unlink("./49/binderfs" [pid 6536] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... unlink resumed>) = 0 [pid 6536] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6537] <... mount resumed>) = 0 [pid 6536] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6534] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6537] <... openat resumed>) = 3 [pid 6534] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6529] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6534] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6530] <... futex resumed>) = 0 [pid 6530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6530] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6537] chdir("./file0" [pid 6536] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6530] <... mprotect resumed>) = 0 [pid 6529] <... mprotect resumed>) = 0 [pid 6537] <... chdir resumed>) = 0 [pid 6536] <... openat resumed>) = 4 [pid 6530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6537] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6536] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6537] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6536] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6529] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6538 attached [pid 6536] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6537] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = 0 [pid 6530] <... clone3 resumed> => {parent_tid=[6538]}, 88) = 6538 ./strace-static-x86_64: Process 6539 attached [pid 6538] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6537] <... futex resumed>) = 1 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... futex resumed>) = 0 [pid 6533] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6532] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6539] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6538] <... rseq resumed>) = 0 [pid 6537] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6536] ftruncate(4, 33554441 [pid 6535] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] <... clone3 resumed> => {parent_tid=[6539]}, 88) = 6539 [pid 6539] <... rseq resumed>) = 0 [pid 6538] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6537] <... openat resumed>) = 4 [pid 6535] <... futex resumed>) = 0 [pid 6532] <... futex resumed>) = 0 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6538] <... set_robust_list resumed>) = 0 [pid 6537] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6538] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6533] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] <... futex resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], [pid 6538] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6537] ftruncate(4, 33554441 [pid 6533] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6538] <... unlinkat resumed>) = 0 [pid 6533] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... futex resumed>) = 0 [pid 6539] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6538] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... unlinkat resumed>) = 0 [pid 6539] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6538] <... futex resumed>) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6539] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] exit_group(0 [pid 6529] exit_group(0 [pid 6539] <... futex resumed>) = ? [pid 6538] <... futex resumed>) = ? [pid 6532] <... futex resumed>) = ? [pid 6530] <... exit_group resumed>) = ? [pid 6529] <... exit_group resumed>) = ? [pid 6539] +++ exited with 0 +++ [pid 6538] +++ exited with 0 +++ [pid 6535] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = ? [pid 6532] +++ exited with 0 +++ [pid 6529] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6529, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6533] +++ exited with 0 +++ [pid 6530] +++ exited with 0 +++ [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6530, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... restart_syscall resumed>) = 0 [ 88.143989][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./49/binderfs") = 0 [pid 5831] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(3, "", [pid 6534] <... futex resumed>) = 0 [pid 5832] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6537] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5832] newfstatat(AT_FDCWD, "./49/file0", [pid 6534] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6534] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6534] <... mprotect resumed>) = 0 [pid 5832] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./51/binderfs", [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6540 attached [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6540] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053) = 0 [pid 6540] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], [pid 6534] <... clone3 resumed> => {parent_tid=[6540]}, 88) = 6540 [pid 5829] unlink("./51/binderfs" [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... openat resumed>) = 4 [pid 6540] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] newfstatat(4, "", [pid 5829] <... unlink resumed>) = 0 [pid 6534] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] <... futex resumed>) = 0 [pid 6537] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = 1 [pid 5832] getdents64(4, [pid 6540] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6536] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6534] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6536] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] getdents64(4, [pid 6536] <... futex resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6536] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] close(4) = 0 [pid 5832] rmdir("./49/file0" [pid 6540] <... unlinkat resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 6540] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6540] <... futex resumed>) = 1 [pid 6535] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = 0 [pid 6540] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6535] <... futex resumed>) = 0 [pid 6534] exit_group(0 [pid 5832] rmdir("./49" [pid 5831] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 6540] <... futex resumed>) = ? [pid 6536] <... futex resumed>) = ? [pid 6535] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6540] +++ exited with 0 +++ [pid 6537] <... unlinkat resumed>) = 0 [pid 6536] +++ exited with 0 +++ [pid 6534] +++ exited with 0 +++ [pid 5832] <... rmdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./49/file0", [pid 5829] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6537] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6537] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 5832] mkdir("./50", 0777 [pid 5831] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./51/file0", [pid 6537] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6537] <... futex resumed>) = ? [pid 6535] <... exit_group resumed>) = ? [pid 5831] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", [pid 6537] +++ exited with 0 +++ [pid 6535] +++ exited with 0 +++ [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] newfstatat(4, "", [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6535, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5832] close(3 [pid 5831] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 88.215778][ T12] hfsplus: b-tree write err: -5, ino 4 [ 88.241391][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5830] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] unlink("./49/binderfs" [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6541 attached [pid 5833] newfstatat(3, "", [pid 5829] rmdir("./51/file0" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(4 [pid 5829] <... rmdir resumed>) = 0 [pid 6541] set_robust_list(0x5555832d26a0, 24 [pid 5833] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 6541] <... set_robust_list resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6541 [pid 5831] rmdir("./49/file0" [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6541] chdir("./50" [pid 5833] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 6541] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 6541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./51" [pid 6541] <... prctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3 [pid 6541] setpgid(0, 0 [pid 5833] unlink("./50/binderfs" [pid 5831] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6541] <... setpgid resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] rmdir("./49" [pid 5830] <... unlink resumed>) = 0 [pid 6541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5829] mkdir("./52", 0777 [pid 6541] <... openat resumed>) = 3 [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] mkdir("./50", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 6541] write(3, "1000", 4 [pid 5831] <... mkdir resumed>) = 0 [pid 6541] <... write resumed>) = 4 [pid 6541] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6541] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6541] write(1, "executing program\n", 18 [pid 5831] <... openat resumed>) = 3 executing program [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 6541] <... write resumed>) = 18 [pid 5831] <... ioctl resumed>) = 0 [pid 6541] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6541] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5829] <... close resumed>) = 0 [pid 6541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6541] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6542]}, 88) = 6542 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6541] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6541] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6543 attached [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6543 [pid 5831] close(3 [pid 6543] set_robust_list(0x5555832d26a0, 24 [pid 5830] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6542 attached [pid 6542] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6543] <... set_robust_list resumed>) = 0 [pid 6542] <... rseq resumed>) = 0 [pid 6542] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6543] chdir("./52" [pid 5831] <... close resumed>) = 0 [pid 6542] memfd_create("syzkaller", 0) = 3 [ 88.306971][ T35] hfsplus: b-tree write err: -5, ino 4 [ 88.313550][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6544 attached [pid 6543] <... chdir resumed>) = 0 [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6542] <... mmap resumed>) = 0x7f3f93e00000 [pid 6543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./49/file0", [pid 6543] <... prctl resumed>) = 0 [pid 6544] set_robust_list(0x5555832d26a0, 24 [pid 6543] setpgid(0, 0) = 0 [pid 6544] <... set_robust_list resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6544 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6544] chdir("./50" [pid 6543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] <... chdir resumed>) = 0 [pid 6543] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6544] setpgid(0, 0 [pid 6543] write(3, "1000", 4 [pid 5830] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6543] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6543] close(3 [pid 5830] newfstatat(4, "", [pid 6544] <... setpgid resumed>) = 0 [pid 6543] <... close resumed>) = 0 [pid 6542] <... write resumed>) = 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6543] symlink("/dev/binderfs", "./binderfs" [pid 5830] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6544] <... openat resumed>) = 3 [pid 6543] <... symlink resumed>) = 0 [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 6544] write(3, "1000", 4 executing program [pid 6543] write(1, "executing program\n", 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6544] <... write resumed>) = 4 [pid 5833] newfstatat(AT_FDCWD, "./50/file0", [pid 5830] close(4 [pid 6543] <... write resumed>) = 18 [pid 5830] <... close resumed>) = 0 [pid 6544] close(3 [pid 6543] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./49/file0" [pid 6544] <... close resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] <... symlink resumed>) = 0 executing program [pid 6543] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... rmdir resumed>) = 0 [pid 6544] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 4 [pid 6544] <... write resumed>) = 18 [pid 6543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] newfstatat(4, "", [pid 5830] getdents64(3, [pid 6544] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6544] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] close(3 [pid 6544] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6543] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6542] munmap(0x7f3f93e00000, 138412032 [pid 5833] getdents64(4, [pid 6544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6543] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6542] <... munmap resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] rmdir("./49" [pid 6544] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6543] <... mprotect resumed>) = 0 [pid 6544] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] close(4 [pid 6544] <... mprotect resumed>) = 0 [pid 6542] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6542] <... openat resumed>) = 4 [pid 5833] rmdir("./50/file0" [pid 5830] mkdir("./50", 0777 [pid 6544] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6545 attached [pid 6542] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... rmdir resumed>) = 0 [pid 6545] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6544] <... clone3 resumed> => {parent_tid=[6545]}, 88) = 6545 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 6546 attached [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6544] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... rseq resumed>) = 0 [pid 6544] <... futex resumed>) = 0 [pid 6545] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6544] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6545] <... set_robust_list resumed>) = 0 [pid 6545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6545] memfd_create("syzkaller", 0) = 3 [pid 5833] getdents64(3, [pid 6545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6543] <... clone3 resumed> => {parent_tid=[6546]}, 88) = 6546 [pid 5830] <... ioctl resumed>) = 0 [pid 6545] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] close(3 [pid 6546] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6543] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... close resumed>) = 0 [pid 5830] close(3 [pid 6546] <... rseq resumed>) = 0 [pid 5833] rmdir("./50") = 0 [pid 5833] mkdir("./51", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6542] <... ioctl resumed>) = 0 [pid 6546] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6545] <... write resumed>) = 524288 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... close resumed>) = 0 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6543] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] rt_sigprocmask(SIG_SETMASK, [], [pid 6543] <... futex resumed>) = 0 [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6543] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6542] close(3 [pid 5833] <... ioctl resumed>) = 0 [pid 6546] memfd_create("syzkaller", 0 [pid 6545] munmap(0x7f3f93e00000, 138412032 [pid 6542] <... close resumed>) = 0 [pid 5833] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6547 attached [pid 6546] <... memfd_create resumed>) = 3 [pid 6545] <... munmap resumed>) = 0 [pid 6542] close(4) = 0 [pid 6542] mkdir("./file0", 0777 [pid 6546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6542] <... mkdir resumed>) = 0 [pid 6547] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6546] <... mmap resumed>) = 0x7f3f93e00000 [ 88.401143][ T6542] loop3: detected capacity change from 0 to 1024 [pid 6542] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6545] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6547 [pid 6545] <... openat resumed>) = 4 [pid 6545] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... close resumed>) = 0 [pid 6547] chdir("./50" [pid 6546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6547] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6548 attached [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6548 [pid 6547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6545] <... ioctl resumed>) = 0 [pid 6545] close(3) = 0 [pid 6545] close(4 [pid 6548] set_robust_list(0x5555832d26a0, 24 [pid 6545] <... close resumed>) = 0 [pid 6548] <... set_robust_list resumed>) = 0 [pid 6545] mkdir("./file0", 0777 [pid 6548] chdir("./51" [pid 6547] <... prctl resumed>) = 0 [pid 6545] <... mkdir resumed>) = 0 [pid 6548] <... chdir resumed>) = 0 [pid 6547] setpgid(0, 0 [pid 6545] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6547] <... setpgid resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6548] <... prctl resumed>) = 0 [pid 6548] setpgid(0, 0 [pid 6547] <... openat resumed>) = 3 [pid 6548] <... setpgid resumed>) = 0 [pid 6547] write(3, "1000", 4 [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] <... write resumed>) = 4 [pid 6548] <... openat resumed>) = 3 [pid 6547] close(3) = 0 [pid 6548] write(3, "1000", 4 [pid 6547] symlink("/dev/binderfs", "./binderfs" [pid 6548] <... write resumed>) = 4 executing program [pid 6548] close(3 [pid 6547] <... symlink resumed>) = 0 [pid 6548] <... close resumed>) = 0 [pid 6548] symlink("/dev/binderfs", "./binderfs" [pid 6547] write(1, "executing program\n", 18 [pid 6548] <... symlink resumed>) = 0 [pid 6547] <... write resumed>) = 18 [pid 6548] write(1, "executing program\n", 18 [pid 6547] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... write resumed>) = 524288 [pid 6545] <... mount resumed>) = 0 executing program [pid 6542] <... mount resumed>) = 0 [pid 6547] <... futex resumed>) = 0 [pid 6545] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6547] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6545] <... openat resumed>) = 3 [pid 6542] <... openat resumed>) = 3 [pid 6548] <... write resumed>) = 18 [pid 6547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6546] munmap(0x7f3f93e00000, 138412032 [pid 6545] chdir("./file0" [pid 6542] chdir("./file0" [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6545] <... chdir resumed>) = 0 [pid 6542] <... chdir resumed>) = 0 [pid 6548] <... futex resumed>) = 0 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6545] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6547] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6547] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6545] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... mprotect resumed>) = 0 [pid 6547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6548] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6546] <... munmap resumed>) = 0 [pid 6542] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6544] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6542] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6546] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6542] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] <... futex resumed>) = 1 [pid 6541] <... futex resumed>) = 0 [pid 6541] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6541] <... futex resumed>) = 0 [pid 6548] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6542] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6541] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6548] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6549 attached [pid 6545] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6544] <... futex resumed>) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6547] <... clone3 resumed> => {parent_tid=[6549]}, 88) = 6549 [pid 6546] <... openat resumed>) = 4 [pid 6545] <... openat resumed>) = 4 [pid 6544] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... openat resumed>) = 4 [pid 6548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6547] rt_sigprocmask(SIG_SETMASK, [], [ 88.443326][ T6545] loop2: detected capacity change from 0 to 1024 [pid 6546] ioctl(4, LOOP_SET_FD, 3 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6547] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6547] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6545] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6544] <... futex resumed>) = 0 [pid 6549] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6545] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... rseq resumed>) = 0 [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] <... futex resumed>) = 0 [pid 6549] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6545] ftruncate(4, 33554441 [pid 6544] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... set_robust_list resumed>) = 0 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6549] memfd_create("syzkaller", 0) = 3 [pid 6549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 ./strace-static-x86_64: Process 6550 attached [pid 6550] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6550] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6550] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... clone3 resumed> => {parent_tid=[6550]}, 88) = 6550 [pid 6542] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6542] <... futex resumed>) = 1 [pid 6542] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6541] <... futex resumed>) = 0 [pid 6548] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6542] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6550] memfd_create("syzkaller", 0 [pid 6549] <... write resumed>) = 524288 [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6546] <... ioctl resumed>) = 0 [pid 6542] ftruncate(4, 33554441 [pid 6541] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] close(3) = 0 [pid 6550] <... memfd_create resumed>) = 3 [pid 6546] close(4 [pid 6550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6546] <... close resumed>) = 0 [pid 6550] <... mmap resumed>) = 0x7f3f93e00000 [pid 6546] mkdir("./file0", 0777 [pid 6550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6546] <... mkdir resumed>) = 0 [pid 6546] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6549] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6549] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6544] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6549] <... openat resumed>) = 4 [pid 6546] <... mount resumed>) = 0 [ 88.497836][ T6546] loop0: detected capacity change from 0 to 1024 [pid 6544] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] ioctl(4, LOOP_SET_FD, 3 [pid 6546] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6544] <... futex resumed>) = 0 [pid 6550] <... write resumed>) = 524288 [pid 6546] <... openat resumed>) = 3 [pid 6544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6546] chdir("./file0") = 0 [pid 6550] munmap(0x7f3f93e00000, 138412032 [pid 6546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6544] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6546] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... munmap resumed>) = 0 [pid 6546] <... futex resumed>) = 1 [pid 6544] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6542] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6546] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... mprotect resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 0 [pid 6542] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6542] <... futex resumed>) = 0 [pid 6541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6542] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6543] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6550] <... openat resumed>) = 4 [pid 6541] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6550] ioctl(4, LOOP_SET_FD, 3 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6543] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6551 attached [pid 6546] <... futex resumed>) = 0 [pid 6546] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6544] <... clone3 resumed> => {parent_tid=[6551]}, 88) = 6551 [pid 6546] <... openat resumed>) = 4 [pid 6544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6544] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6551] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6544] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... rseq resumed>) = 0 [pid 6546] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6545] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6546] <... futex resumed>) = 1 [pid 6543] <... futex resumed>) = 0 [pid 6541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6546] ftruncate(4, 33554441 [pid 6543] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6552 attached [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... ioctl resumed>) = 0 [pid 6549] <... ioctl resumed>) = 0 [pid 6545] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... futex resumed>) = 0 [pid 6552] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6551] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6550] close(3 [pid 6549] close(3 [pid 6545] <... futex resumed>) = 0 [pid 6543] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... rseq resumed>) = 0 [pid 6541] <... clone3 resumed> => {parent_tid=[6552]}, 88) = 6552 [pid 6552] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6551] <... unlinkat resumed>) = 0 [pid 6550] <... close resumed>) = 0 [pid 6549] <... close resumed>) = 0 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], [pid 6552] <... set_robust_list resumed>) = 0 [pid 6550] close(4 [pid 6549] close(4 [pid 6541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] <... close resumed>) = 0 [pid 6546] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6545] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] mkdir("./file0", 0777 [pid 6552] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] <... futex resumed>) = 1 [pid 6550] <... mkdir resumed>) = 0 [pid 6541] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6541] <... futex resumed>) = 0 [pid 6552] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6549] <... close resumed>) = 0 [pid 6546] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 0 [pid 6541] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... unlinkat resumed>) = 0 [pid 6549] mkdir("./file0", 0777 [pid 6544] exit_group(0) = ? [pid 6545] <... futex resumed>) = ? [pid 6551] <... futex resumed>) = ? [pid 6545] +++ exited with 0 +++ [ 88.560133][ T6549] loop1: detected capacity change from 0 to 1024 [ 88.577894][ T6550] loop4: detected capacity change from 0 to 1024 [pid 6549] <... mkdir resumed>) = 0 [pid 6552] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] +++ exited with 0 +++ [pid 6550] <... mount resumed>) = 0 [pid 6546] <... futex resumed>) = 1 [pid 6544] +++ exited with 0 +++ [pid 6543] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 1 [pid 6549] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6546] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6543] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6544, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6552] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] <... futex resumed>) = 0 [pid 6541] exit_group(0 [pid 6550] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6546] <... unlinkat resumed>) = 0 [pid 6543] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... futex resumed>) = ? [pid 6541] <... exit_group resumed>) = ? [pid 6552] <... futex resumed>) = ? [pid 6550] <... openat resumed>) = 3 [pid 6546] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] +++ exited with 0 +++ [pid 5831] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6552] +++ exited with 0 +++ [pid 6550] chdir("./file0" [pid 6546] <... futex resumed>) = 0 [pid 6543] exit_group(0 [pid 6541] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] <... chdir resumed>) = 0 [pid 6543] <... exit_group resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6541, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6550] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6546] +++ exited with 0 +++ [pid 6543] +++ exited with 0 +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6550] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6543, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6550] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(3, "", [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6550] <... futex resumed>) = 1 [pid 6549] <... mount resumed>) = 0 [pid 6548] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6550] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6548] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5829] <... restart_syscall resumed>) = 0 [pid 6550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6549] <... openat resumed>) = 3 [pid 6548] <... futex resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6550] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6549] chdir("./file0" [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] <... openat resumed>) = 4 [pid 6549] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6549] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6549] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 3 [pid 6550] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = 1 [pid 6547] <... futex resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6550] <... futex resumed>) = 1 [pid 6549] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... futex resumed>) = 0 [pid 6547] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] unlink("./50/binderfs" [pid 6550] ftruncate(4, 33554441 [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... futex resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6549] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6548] <... futex resumed>) = 0 [pid 6547] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] newfstatat(3, "", [pid 6549] <... openat resumed>) = 4 [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6549] <... futex resumed>) = 1 [pid 6547] <... futex resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6549] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6547] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(3, [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6547] <... futex resumed>) = 0 [pid 5832] unlink("./50/binderfs" [pid 6549] ftruncate(4, 33554441 [pid 6547] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./52/binderfs") = 0 [pid 5829] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6550] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6548] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... umount2 resumed>) = 0 [pid 6550] <... futex resumed>) = 1 [pid 6549] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6548] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... umount2 resumed>) = 0 [ 88.669896][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 88.679976][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 88.685778][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 5831] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 6550] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6549] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 6547] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./50/file0", [pid 6549] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6547] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6550] <... unlinkat resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6549] <... unlinkat resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./50/file0", [pid 5831] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./52/file0", [pid 6549] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = 1 [pid 6547] <... futex resumed>) = 0 [pid 5832] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6550] <... futex resumed>) = 1 [pid 6549] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... futex resumed>) = 0 [pid 6547] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] <... futex resumed>) = ? [pid 6548] exit_group(0 [pid 5832] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] <... futex resumed>) = ? [pid 6548] <... exit_group resumed>) = ? [pid 5832] <... openat resumed>) = 4 [pid 6550] +++ exited with 0 +++ [pid 5829] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6549] +++ exited with 0 +++ [pid 6547] <... exit_group resumed>) = ? [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6548] +++ exited with 0 +++ [pid 6547] +++ exited with 0 +++ [pid 5832] newfstatat(4, "", [pid 5831] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6547, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] newfstatat(4, "", [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] getdents64(4, [pid 5831] getdents64(4, [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5831] close(4) = 0 [pid 5831] rmdir("./50/file0" [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] close(4 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5833] newfstatat(3, "", [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./50/file0" [pid 5831] rmdir("./50" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./52/file0" [pid 5833] getdents64(3, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] mkdir("./51", 0777 [pid 5833] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] newfstatat(3, "", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5832] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 5833] unlink("./51/binderfs" [pid 5832] rmdir("./50" [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] rmdir("./52" [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(3 [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] mkdir("./51", 0777 [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./53", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5829] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6553 attached [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... ioctl resumed>) = 0 [pid 5830] unlink("./50/binderfs" [pid 5832] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6553] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6553 [pid 6553] chdir("./51") = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] close(3 [pid 6553] <... prctl resumed>) = 0 [pid 6553] setpgid(0, 0) = 0 [pid 6553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6553] write(3, "1000", 4) = 4 [pid 5829] <... close resumed>) = 0 [pid 6553] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6553] <... close resumed>) = 0 [pid 6553] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6554 attached [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6554 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6553] write(1, "executing program\n", 18) = 18 [pid 6553] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6555 attached [pid 6554] set_robust_list(0x5555832d26a0, 24 [pid 6553] <... futex resumed>) = 0 [pid 6553] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6553] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6553] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6555 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6555] set_robust_list(0x5555832d26a0, 24 [pid 6554] chdir("./51" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6555] <... set_robust_list resumed>) = 0 [pid 6554] <... chdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./51/file0", [pid 6553] <... mprotect resumed>) = 0 [pid 6553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6555] chdir("./53" [pid 6554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6555] <... chdir resumed>) = 0 [pid 6554] <... prctl resumed>) = 0 [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6554] setpgid(0, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6555] <... prctl resumed>) = 0 [pid 6554] <... setpgid resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6555] setpgid(0, 0 [pid 6554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6555] <... setpgid resumed>) = 0 [pid 6553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... openat resumed>) = 4 [pid 6553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6554] <... openat resumed>) = 3 [pid 6555] <... openat resumed>) = 3 [pid 6554] write(3, "1000", 4 [pid 6553] <... clone3 resumed> => {parent_tid=[6556]}, 88) = 6556 [pid 5833] newfstatat(4, "", [pid 6555] write(3, "1000", 4 [pid 6554] <... write resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6554] close(3 [pid 5833] getdents64(4, ./strace-static-x86_64: Process 6556 attached [pid 6555] <... write resumed>) = 4 [pid 6554] <... close resumed>) = 0 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6555] close(3 [pid 6554] symlink("/dev/binderfs", "./binderfs" [pid 5833] getdents64(4, [pid 6556] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 executing program [pid 6556] <... rseq resumed>) = 0 [pid 6553] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] close(4 [pid 6554] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6554] write(1, "executing program\n", 18 [pid 5833] rmdir("./51/file0" [pid 6554] <... write resumed>) = 18 [pid 6556] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6553] <... futex resumed>) = 0 [pid 6556] <... set_robust_list resumed>) = 0 [pid 6553] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6556] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rmdir resumed>) = 0 [pid 6556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6556] memfd_create("syzkaller", 0) = 3 [pid 6556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6554] <... futex resumed>) = 0 [pid 6555] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 6554] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6555] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6554] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5833] close(3 [pid 6556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6555] <... symlink resumed>) = 0 [pid 6554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5833] <... close resumed>) = 0 [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] rmdir("./51" [pid 6554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6555] write(1, "executing program\n", 18 [pid 6554] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6555] <... write resumed>) = 18 [pid 6554] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6555] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] mkdir("./52", 0777 [ 88.766895][ T11] hfsplus: b-tree write err: -5, ino 4 [ 88.794333][ T11] hfsplus: b-tree write err: -5, ino 4 [pid 5830] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6555] <... futex resumed>) = 0 [pid 6554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6556] <... write resumed>) = 524288 [pid 6555] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./50/file0", [pid 6555] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6557 attached NULL, 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] <... openat resumed>) = 3 [pid 6557] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 5830] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6557] <... rseq resumed>) = 0 [pid 6555] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6557] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6555] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] <... set_robust_list resumed>) = 0 [pid 6555] <... mprotect resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... ioctl resumed>) = 0 [pid 6555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] close(3 [pid 5830] <... openat resumed>) = 4 [pid 6557] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] munmap(0x7f3f93e00000, 138412032 [pid 6555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6554] <... clone3 resumed> => {parent_tid=[6557]}, 88) = 6557 [pid 5833] <... close resumed>) = 0 [pid 6557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6556] <... munmap resumed>) = 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(4, "", [pid 6557] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 ./strace-static-x86_64: Process 6558 attached [pid 6556] ioctl(4, LOOP_SET_FD, 3 [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6559 attached [pid 6558] set_robust_list(0x5555832d26a0, 24 [pid 6554] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] getdents64(4, [pid 6558] <... set_robust_list resumed>) = 0 [pid 6557] <... futex resumed>) = 0 [pid 6554] <... futex resumed>) = 1 [pid 6558] chdir("./52" [pid 6557] memfd_create("syzkaller", 0 [pid 6555] <... clone3 resumed> => {parent_tid=[6559]}, 88) = 6559 [pid 6554] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6559] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6558] <... chdir resumed>) = 0 [pid 6557] <... memfd_create resumed>) = 3 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] <... rseq resumed>) = 0 [pid 6558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] getdents64(4, [pid 6559] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6558] <... prctl resumed>) = 0 [pid 6557] <... mmap resumed>) = 0x7f3f93e00000 [pid 6555] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6559] rt_sigprocmask(SIG_SETMASK, [], [pid 6558] setpgid(0, 0 [pid 6555] <... futex resumed>) = 0 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6558] <... setpgid resumed>) = 0 [pid 6559] memfd_create("syzkaller", 0 [pid 6558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6559] <... memfd_create resumed>) = 3 [pid 6558] <... openat resumed>) = 3 [pid 6559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6558] write(3, "1000", 4 [pid 6559] <... mmap resumed>) = 0x7f3f93e00000 [pid 6558] <... write resumed>) = 4 [pid 6557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6555] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] close(4 [pid 6559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6558] close(3 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6558 [pid 5830] <... close resumed>) = 0 [pid 6558] <... close resumed>) = 0 [pid 6556] <... ioctl resumed>) = 0 [pid 5830] rmdir("./50/file0" [pid 6558] symlink("/dev/binderfs", "./binderfs" [pid 6556] close(3 [pid 6558] <... symlink resumed>) = 0 [pid 6556] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6558] write(1, "executing program\n", 18 [pid 6556] close(4 [pid 5830] getdents64(3, executing program [pid 6558] <... write resumed>) = 18 [pid 6556] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6558] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] mkdir("./file0", 0777 [pid 6558] <... futex resumed>) = 0 [pid 6556] <... mkdir resumed>) = 0 [pid 6558] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6556] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] close(3) = 0 [pid 5830] rmdir("./50" [pid 6558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6557] <... write resumed>) = 524288 [pid 6556] <... mount resumed>) = 0 [pid 5830] mkdir("./51", 0777 [pid 6559] <... write resumed>) = 524288 [pid 6558] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6557] munmap(0x7f3f93e00000, 138412032 [pid 6556] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... mkdir resumed>) = 0 [pid 6556] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6558] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6556] chdir("./file0" [pid 5830] <... openat resumed>) = 3 [pid 6558] <... mprotect resumed>) = 0 [pid 6557] <... munmap resumed>) = 0 [pid 6556] <... chdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6557] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6556] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... ioctl resumed>) = 0 [ 88.870728][ T6556] loop2: detected capacity change from 0 to 1024 [pid 6559] munmap(0x7f3f93e00000, 138412032 [pid 6558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6556] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] close(3 [pid 6559] <... munmap resumed>) = 0 [pid 6558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6556] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6558] <... clone3 resumed> => {parent_tid=[6560]}, 88) = 6560 [pid 6556] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6553] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6560 attached [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] <... openat resumed>) = 4 [pid 6553] <... futex resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... openat resumed>) = 4 [pid 6558] <... futex resumed>) = 0 [pid 6558] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6559] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6556] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... openat resumed>) = 4 [pid 6557] ioctl(4, LOOP_SET_FD, 3 [pid 6556] <... futex resumed>) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6559] ioctl(4, LOOP_SET_FD, 3 [pid 6556] ftruncate(4, 33554441 [pid 6553] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6560] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6560] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6561 attached [pid 6560] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] <... ioctl resumed>) = 0 [pid 6560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6561 [pid 6561] set_robust_list(0x5555832d26a0, 24 [pid 6560] memfd_create("syzkaller", 0 [pid 6559] close(3 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6560] <... memfd_create resumed>) = 3 [pid 6559] <... close resumed>) = 0 [pid 6557] <... ioctl resumed>) = 0 [pid 6561] chdir("./51" [pid 6560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6559] close(4 [pid 6557] close(3 [pid 6561] <... chdir resumed>) = 0 [pid 6560] <... mmap resumed>) = 0x7f3f93e00000 [pid 6559] <... close resumed>) = 0 [pid 6557] <... close resumed>) = 0 [pid 6561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6559] mkdir("./file0", 0777 [pid 6561] <... prctl resumed>) = 0 [pid 6559] <... mkdir resumed>) = 0 [pid 6561] setpgid(0, 0) = 0 [pid 6561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6559] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6561] write(3, "1000", 4 [pid 6557] close(4) = 0 [pid 6561] <... write resumed>) = 4 [pid 6560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6557] mkdir("./file0", 0777 [pid 6561] close(3 [pid 6557] <... mkdir resumed>) = 0 [pid 6561] <... close resumed>) = 0 [pid 6557] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"...executing program [pid 6561] symlink("/dev/binderfs", "./binderfs" [pid 6559] <... mount resumed>) = 0 [pid 6561] <... symlink resumed>) = 0 [pid 6559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6561] write(1, "executing program\n", 18 [pid 6559] <... openat resumed>) = 3 [pid 6561] <... write resumed>) = 18 [pid 6559] chdir("./file0" [pid 6561] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... chdir resumed>) = 0 [pid 6561] <... futex resumed>) = 0 [pid 6559] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6561] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6559] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6561] <... rt_sigaction resumed>NULL, 8) = 0 [ 88.936294][ T6557] loop3: detected capacity change from 0 to 1024 [ 88.936514][ T6559] loop0: detected capacity change from 0 to 1024 [pid 6559] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6559] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6559] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6555] <... futex resumed>) = 0 [pid 6561] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6559] <... openat resumed>) = 4 [pid 6555] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] <... mprotect resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6559] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6559] <... futex resumed>) = 1 [pid 6557] <... mount resumed>) = 0 [pid 6555] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6555] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6562 attached [pid 6559] ftruncate(4, 33554441 [pid 6557] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6555] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = 0 [pid 6560] <... write resumed>) = 524288 [pid 6557] <... openat resumed>) = 3 [pid 6556] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6555] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6561] <... clone3 resumed> => {parent_tid=[6562]}, 88) = 6562 [pid 6557] chdir("./file0" [pid 6553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6562] <... rseq resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], [pid 6553] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6562] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6560] munmap(0x7f3f93e00000, 138412032 [pid 6557] <... chdir resumed>) = 0 [pid 6553] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6562] <... set_robust_list resumed>) = 0 [pid 6561] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... mprotect resumed>) = 0 [pid 6557] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6562] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] <... futex resumed>) = 0 [pid 6560] <... munmap resumed>) = 0 [pid 6553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6557] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6562] memfd_create("syzkaller", 0 [pid 6553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6563 attached [pid 6562] <... memfd_create resumed>) = 3 [pid 6557] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6557] <... futex resumed>) = 1 [pid 6560] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6554] <... futex resumed>) = 0 [pid 6553] <... clone3 resumed> => {parent_tid=[6563]}, 88) = 6563 [pid 6562] <... mmap resumed>) = 0x7f3f93e00000 [pid 6556] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6563] <... rseq resumed>) = 0 [pid 6560] <... openat resumed>) = 4 [pid 6557] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6554] <... futex resumed>) = 0 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6563] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6560] ioctl(4, LOOP_SET_FD, 3 [pid 6554] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6556] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = 0 [pid 6556] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] <... set_robust_list resumed>) = 0 [pid 6557] <... openat resumed>) = 4 [pid 6563] rt_sigprocmask(SIG_SETMASK, [], [pid 6562] <... write resumed>) = 524288 [pid 6557] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6557] <... futex resumed>) = 1 [pid 6563] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6557] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6554] <... futex resumed>) = 0 [pid 6562] munmap(0x7f3f93e00000, 138412032) = 0 [pid 6563] <... unlinkat resumed>) = 0 [pid 6562] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... openat resumed>) = 4 [pid 6560] <... ioctl resumed>) = 0 [pid 6557] ftruncate(4, 33554441 [pid 6554] <... futex resumed>) = 0 [pid 6563] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] ioctl(4, LOOP_SET_FD, 3 [pid 6560] close(3 [pid 6563] <... futex resumed>) = 1 [pid 6560] <... close resumed>) = 0 [pid 6554] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] <... futex resumed>) = 0 [pid 6563] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] close(4) = 0 [pid 6553] exit_group(0 [pid 6560] mkdir("./file0", 0777 [pid 6556] <... futex resumed>) = ? [pid 6553] <... exit_group resumed>) = ? [pid 6556] +++ exited with 0 +++ [pid 6555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6555] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6563] <... futex resumed>) = ? [pid 6560] <... mkdir resumed>) = 0 [pid 6555] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6564 attached => {parent_tid=[6564]}, 88) = 6564 [pid 6563] +++ exited with 0 +++ [pid 6553] +++ exited with 0 +++ [pid 6560] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6553, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6555] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6564] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6555] <... futex resumed>) = 0 [pid 6564] <... rseq resumed>) = 0 [pid 6559] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6555] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6559] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... set_robust_list resumed>) = 0 [pid 6559] <... futex resumed>) = 0 [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6564] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6562] <... ioctl resumed>) = 0 [pid 6562] close(3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6562] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6564] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] close(4 [pid 5831] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6564] <... futex resumed>) = 1 [pid 6562] <... close resumed>) = 0 [pid 6555] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6564] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] mkdir("./file0", 0777 [pid 6555] exit_group(0 [pid 5831] newfstatat(3, "", [pid 6564] <... futex resumed>) = ? [pid 6562] <... mkdir resumed>) = 0 [pid 6559] <... futex resumed>) = ? [pid 6555] <... exit_group resumed>) = ? [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6564] +++ exited with 0 +++ [pid 6560] <... mount resumed>) = 0 [pid 6559] +++ exited with 0 +++ [pid 6555] +++ exited with 0 +++ [pid 5831] getdents64(3, [pid 6562] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6560] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6560] <... openat resumed>) = 3 [pid 5831] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6555, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6560] chdir("./file0" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./51/binderfs" [pid 6560] <... chdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6560] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 89.028565][ T6560] loop4: detected capacity change from 0 to 1024 [ 89.052550][ T6562] loop1: detected capacity change from 0 to 1024 [pid 5831] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6560] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = 3 [pid 6560] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] newfstatat(3, "", [pid 6560] <... futex resumed>) = 1 [pid 6560] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] <... futex resumed>) = 0 [pid 6554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6554] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] getdents64(3, [pid 6554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6554] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5829] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6562] <... mount resumed>) = 0 [pid 6558] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6562] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6560] <... futex resumed>) = 0 [pid 6558] <... futex resumed>) = 1 [pid 6554] <... mprotect resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./53/binderfs", [pid 6560] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6562] <... openat resumed>) = 3 [pid 6558] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] chdir("./file0") = 0 [pid 6560] <... openat resumed>) = 4 [pid 5829] unlink("./53/binderfs" [pid 6560] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... unlink resumed>) = 0 [pid 6560] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 5829] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6560] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6562] <... futex resumed>) = 1 [pid 6561] <... futex resumed>) = 0 [pid 6560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... futex resumed>) = 0 [pid 6562] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6561] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... openat resumed>) = 4 [pid 6561] <... futex resumed>) = 0 [pid 6561] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6561] <... futex resumed>) = 0 [pid 6561] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6561] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] ftruncate(4, 33554441 [pid 6560] ftruncate(4, 33554441 [pid 6558] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6557] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6557] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6557] <... futex resumed>) = 0 [pid 6557] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6565 attached [pid 6554] <... clone3 resumed> => {parent_tid=[6565]}, 88) = 6565 [pid 6565] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 6565] <... rseq resumed>) = 0 [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] set_robust_list(0x7f3f9c25b9a0, 24) = 0 [pid 6554] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] <... futex resumed>) = 0 [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 89.110067][ T35] hfsplus: b-tree write err: -5, ino 4 [ 89.124499][ T1100] hfsplus: b-tree write err: -5, ino 4 [pid 6565] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6565] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6565] <... futex resumed>) = 1 [pid 6565] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6561] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6554] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6562] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 0 [pid 6560] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] exit_group(0 [pid 5831] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] <... futex resumed>) = ? [pid 6562] <... futex resumed>) = 0 [pid 6561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6560] <... futex resumed>) = 0 [pid 6558] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = ? [pid 6554] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] +++ exited with 0 +++ [pid 6562] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6560] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6557] +++ exited with 0 +++ [pid 5831] newfstatat(AT_FDCWD, "./51/file0", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6561] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6558] <... mmap resumed>) = 0x7f3f9c23b000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6561] <... mprotect resumed>) = 0 [pid 6558] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6554] +++ exited with 0 +++ [pid 5829] newfstatat(AT_FDCWD, "./53/file0", [pid 6561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6558] <... mprotect resumed>) = 0 [pid 5831] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6554, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6566 attached [pid 6558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] <... openat resumed>) = 4 [pid 5829] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6567 attached [pid 6566] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6561] <... clone3 resumed> => {parent_tid=[6566]}, 88) = 6566 [pid 5831] newfstatat(4, "", [pid 5829] <... openat resumed>) = 4 [pid 6567] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6566] <... rseq resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], [pid 6558] <... clone3 resumed> => {parent_tid=[6567]}, 88) = 6567 [pid 5829] newfstatat(4, "", [pid 6567] <... rseq resumed>) = 0 [pid 6566] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6567] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6566] <... set_robust_list resumed>) = 0 [pid 6561] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] getdents64(4, [pid 6567] <... set_robust_list resumed>) = 0 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] <... futex resumed>) = 0 [pid 6558] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] <... futex resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6558] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6567] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./53/file0" [pid 6567] <... unlinkat resumed>) = 0 [pid 6566] <... unlinkat resumed>) = 0 [pid 5831] close(4 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./53" [pid 6567] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6567] <... futex resumed>) = 1 [pid 6566] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... futex resumed>) = 0 [pid 5832] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./51/file0" [pid 5829] mkdir("./54", 0777 [pid 6567] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] <... futex resumed>) = 1 [pid 6561] <... futex resumed>) = 0 [pid 6558] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6567] <... futex resumed>) = ? [pid 6566] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] exit_group(0 [pid 6560] <... futex resumed>) = ? [pid 6558] <... exit_group resumed>) = ? [pid 5832] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] getdents64(3, [pid 6567] +++ exited with 0 +++ [pid 6566] <... futex resumed>) = ? [pid 6562] <... futex resumed>) = ? [pid 6561] <... exit_group resumed>) = ? [pid 6560] +++ exited with 0 +++ [pid 6558] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6566] +++ exited with 0 +++ [pid 6562] +++ exited with 0 +++ [pid 6561] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6558, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] newfstatat(3, "", [pid 5831] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6561, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] rmdir("./51" [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 5833] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] mkdir("./52", 0777 [pid 5832] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5833] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(3, "", [pid 5830] unlink("./51/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] unlink("./51/binderfs" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5831] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... unlink resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6568 ./strace-static-x86_64: Process 6568 attached [pid 5831] close(3 [pid 5833] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./52/binderfs") = 0 [pid 5833] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6568] set_robust_list(0x5555832d26a0, 24 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6568] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6569 attached [pid 6569] set_robust_list(0x5555832d26a0, 24 [pid 6568] chdir("./54" [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6569 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6569] chdir("./52" [pid 6568] <... chdir resumed>) = 0 [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6568] setpgid(0, 0 [pid 6569] <... chdir resumed>) = 0 [pid 6568] <... setpgid resumed>) = 0 [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6569] setpgid(0, 0 [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6569] <... setpgid resumed>) = 0 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6568] <... openat resumed>) = 3 [pid 6569] <... openat resumed>) = 3 [pid 6568] write(3, "1000", 4) = 4 [pid 6569] write(3, "1000", 4) = 4 [pid 6568] close(3 [pid 6569] close(3) = 0 executing program [pid 6569] symlink("/dev/binderfs", "./binderfs" [pid 6568] <... close resumed>) = 0 [pid 6568] symlink("/dev/binderfs", "./binderfs" [pid 6569] <... symlink resumed>) = 0 [pid 6568] <... symlink resumed>) = 0 [pid 6569] write(1, "executing program\n", 18) = 18 [pid 6569] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6569] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, 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) = 0x7f3f9c25c000 [pid 6569] mprotect(0x7f3f9c25d000, 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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6570 attached => {parent_tid=[6570]}, 88) = 6570 [pid 6570] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 executing program [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] write(1, "executing program\n", 18 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6568] <... write resumed>) = 18 [pid 6568] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] <... rseq resumed>) = 0 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6570] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6569] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] <... set_robust_list resumed>) = 0 [pid 6569] <... futex resumed>) = 0 [pid 6568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] newfstatat(AT_FDCWD, "./51/file0", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] memfd_create("syzkaller", 0 [pid 6568] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./51/file0", [pid 6570] <... memfd_create resumed>) = 3 [pid 6568] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6568] <... mprotect resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6570] <... mmap resumed>) = 0x7f3f93e00000 [pid 6568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 89.241501][ T1100] hfsplus: b-tree write err: -5, ino 4 [ 89.259201][ T11] hfsplus: b-tree write err: -5, ino 4 [ 89.259495][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(4, "", [pid 6568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6571 attached [pid 5832] getdents64(4, [pid 6571] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6568] <... clone3 resumed> => {parent_tid=[6571]}, 88) = 6571 [pid 6571] <... rseq resumed>) = 0 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6571] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] getdents64(4, [pid 6571] <... set_robust_list resumed>) = 0 [pid 6568] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] <... futex resumed>) = 0 [pid 5832] close(4 [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6568] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] <... close resumed>) = 0 [pid 6571] memfd_create("syzkaller", 0 [pid 5833] newfstatat(AT_FDCWD, "./52/file0", [pid 5832] rmdir("./51/file0" [pid 5830] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6571] <... memfd_create resumed>) = 3 [pid 6570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5830] newfstatat(4, "", [pid 6571] <... mmap resumed>) = 0x7f3f93e00000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 5832] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./52/file0" [pid 5830] getdents64(4, [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(3, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] close(3 [pid 5832] <... close resumed>) = 0 [pid 5830] close(4 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6570] <... write resumed>) = 524288 [pid 5833] rmdir("./52" [pid 5832] rmdir("./51" [pid 5830] rmdir("./51/file0" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] mkdir("./52", 0777 [pid 5830] getdents64(3, [pid 5833] mkdir("./53", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] close(3 [pid 6571] <... write resumed>) = 524288 [pid 6570] munmap(0x7f3f93e00000, 138412032 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6571] munmap(0x7f3f93e00000, 138412032 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] rmdir("./51" [pid 6571] <... munmap resumed>) = 0 [pid 6570] <... munmap resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6571] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6570] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6571] <... openat resumed>) = 4 [pid 6570] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5830] mkdir("./52", 0777 [pid 6571] ioctl(4, LOOP_SET_FD, 3 [pid 6570] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6572 attached [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6572] set_robust_list(0x5555832d26a0, 24) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6572] chdir("./52" [pid 5830] close(3 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555832d2690) = 6573 [pid 6571] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6573 attached [pid 6572] <... chdir resumed>) = 0 [pid 6570] <... ioctl resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6572 [pid 5830] <... close resumed>) = 0 [pid 6572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6570] close(3 [pid 6572] <... prctl resumed>) = 0 [pid 6570] <... close resumed>) = 0 [pid 6572] setpgid(0, 0 [pid 6570] close(4 [pid 6572] <... setpgid resumed>) = 0 [pid 6571] close(3 [pid 6570] <... close resumed>) = 0 [pid 6572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6571] <... close resumed>) = 0 [pid 6570] mkdir("./file0", 0777 [pid 6573] set_robust_list(0x5555832d26a0, 24 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6572] <... openat resumed>) = 3 [pid 6571] close(4 [pid 6570] <... mkdir resumed>) = 0 [pid 6573] <... set_robust_list resumed>) = 0 [pid 6572] write(3, "1000", 4 [pid 6571] <... close resumed>) = 0 [pid 6573] chdir("./53" [pid 6572] <... write resumed>) = 4 [pid 6571] mkdir("./file0", 0777 [pid 6570] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"..../strace-static-x86_64: Process 6574 attached [pid 6573] <... chdir resumed>) = 0 [pid 6572] close(3 [pid 6571] <... mkdir resumed>) = 0 [pid 6572] <... close resumed>) = 0 [pid 6572] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6574] set_robust_list(0x5555832d26a0, 24 [pid 6573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6574 [pid 6574] <... set_robust_list resumed>) = 0 [pid 6573] <... prctl resumed>) = 0 [pid 6571] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"...executing program [pid 6574] chdir("./52" [pid 6573] setpgid(0, 0 [ 89.360232][ T6570] loop2: detected capacity change from 0 to 1024 [ 89.367076][ T6571] loop0: detected capacity change from 0 to 1024 [pid 6572] write(1, "executing program\n", 18 [pid 6574] <... chdir resumed>) = 0 [pid 6573] <... setpgid resumed>) = 0 [pid 6572] <... write resumed>) = 18 [pid 6574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6572] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... openat resumed>) = 3 [pid 6574] <... prctl resumed>) = 0 [pid 6573] write(3, "1000", 4 [pid 6574] setpgid(0, 0 [pid 6573] <... write resumed>) = 4 [pid 6572] <... futex resumed>) = 0 [pid 6574] <... setpgid resumed>) = 0 [pid 6573] close(3) = 0 [pid 6572] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6573] symlink("/dev/binderfs", "./binderfs" [pid 6572] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6574] <... openat resumed>) = 3 [pid 6573] <... symlink resumed>) = 0 [pid 6572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6573] write(1, "executing program\n", 18 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... mount resumed>) = 0 [pid 6573] <... write resumed>) = 18 [pid 6572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6574] write(3, "1000", 4 [pid 6573] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... write resumed>) = 4 [pid 6573] <... futex resumed>) = 0 [pid 6574] close(3) = 0 [pid 6573] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6572] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6574] symlink("/dev/binderfs", "./binderfs" [pid 6573] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6572] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6571] <... openat resumed>) = 3 [pid 6570] <... mount resumed>) = 0 [pid 6572] <... mprotect resumed>) = 0 [pid 6571] chdir("./file0" [pid 6574] <... symlink resumed>) = 0 [pid 6573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6571] <... chdir resumed>) = 0 executing program [pid 6574] write(1, "executing program\n", 18 [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6571] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6570] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6574] <... write resumed>) = 18 [pid 6573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6571] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6570] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6575 attached [pid 6574] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6571] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] chdir("./file0" [pid 6575] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6574] <... futex resumed>) = 0 [pid 6573] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6572] <... clone3 resumed> => {parent_tid=[6575]}, 88) = 6575 [pid 6571] <... futex resumed>) = 1 [pid 6570] <... chdir resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6575] <... rseq resumed>) = 0 [pid 6574] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6573] <... mprotect resumed>) = 0 [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6568] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6574] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6568] <... futex resumed>) = 0 [pid 6573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6568] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6572] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6570] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... futex resumed>) = 0 [pid 6571] <... openat resumed>) = 4 [pid 6570] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6572] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6569] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6576 attached [pid 6573] <... clone3 resumed> => {parent_tid=[6576]}, 88) = 6576 [pid 6569] <... futex resumed>) = 0 [pid 6575] <... set_robust_list resumed>) = 0 [pid 6574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6573] rt_sigprocmask(SIG_SETMASK, [], [pid 6570] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6569] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6575] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... openat resumed>) = 4 [pid 6576] <... rseq resumed>) = 0 [pid 6575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6573] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6576] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6574] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6573] <... futex resumed>) = 0 [pid 6571] ftruncate(4, 33554441 [pid 6570] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... set_robust_list resumed>) = 0 [pid 6575] memfd_create("syzkaller", 0 [pid 6574] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6573] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6570] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 6575] <... memfd_create resumed>) = 3 [pid 6574] <... mprotect resumed>) = 0 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6570] ftruncate(4, 33554441 [pid 6569] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... mmap resumed>) = 0x7f3f93e00000 [pid 6576] memfd_create("syzkaller", 0 [pid 6569] <... futex resumed>) = 0 [pid 6569] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] <... memfd_create resumed>) = 3 [pid 6575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6577 attached [pid 6576] <... mmap resumed>) = 0x7f3f93e00000 [pid 6577] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6574] <... clone3 resumed> => {parent_tid=[6577]}, 88) = 6577 [pid 6577] <... rseq resumed>) = 0 [pid 6576] <... write resumed>) = 524288 [pid 6575] <... write resumed>) = 524288 [pid 6574] rt_sigprocmask(SIG_SETMASK, [], [pid 6577] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6576] munmap(0x7f3f93e00000, 138412032 [pid 6575] munmap(0x7f3f93e00000, 138412032 [pid 6574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6577] <... set_robust_list resumed>) = 0 [pid 6574] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] <... futex resumed>) = 0 [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6577] memfd_create("syzkaller", 0) = 3 [pid 6576] <... munmap resumed>) = 0 [pid 6575] <... munmap resumed>) = 0 [pid 6577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6576] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6575] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6577] <... mmap resumed>) = 0x7f3f93e00000 [pid 6576] <... openat resumed>) = 4 [pid 6576] ioctl(4, LOOP_SET_FD, 3 [pid 6571] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6576] <... ioctl resumed>) = 0 [pid 6575] <... openat resumed>) = 4 [pid 6570] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6571] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6576] close(3 [pid 6575] ioctl(4, LOOP_SET_FD, 3 [pid 6571] <... futex resumed>) = 0 [pid 6570] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... close resumed>) = 0 [pid 6570] <... futex resumed>) = 0 [pid 6569] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6569] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] unlinkat(AT_FDCWD, "./file0/file1", 0) = 0 [pid 6570] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6577] <... write resumed>) = 524288 [pid 6576] close(4 [pid 6575] <... ioctl resumed>) = 0 [pid 6570] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6576] <... close resumed>) = 0 [pid 6575] close(3 [pid 6570] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] exit_group(0 [pid 6575] <... close resumed>) = 0 [pid 6576] mkdir("./file0", 0777 [pid 6570] <... futex resumed>) = ? [pid 6569] <... exit_group resumed>) = ? [pid 6577] munmap(0x7f3f93e00000, 138412032 [pid 6576] <... mkdir resumed>) = 0 [pid 6575] close(4 [pid 6571] <... unlinkat resumed>) = 0 [pid 6570] +++ exited with 0 +++ [pid 6569] +++ exited with 0 +++ [pid 6577] <... munmap resumed>) = 0 [pid 6576] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6575] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6569, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6575] mkdir("./file0", 0777 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6577] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6571] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... mkdir resumed>) = 0 [pid 6575] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6577] <... openat resumed>) = 4 [pid 6576] <... mount resumed>) = 0 [pid 6571] <... futex resumed>) = 1 [pid 6568] <... futex resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6568] exit_group(0 [pid 6577] ioctl(4, LOOP_SET_FD, 3 [pid 6568] <... exit_group resumed>) = ? [ 89.508641][ T6576] loop4: detected capacity change from 0 to 1024 [ 89.528871][ T6575] loop3: detected capacity change from 0 to 1024 [pid 6576] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6576] chdir("./file0") = 0 [pid 6576] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6576] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6576] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] <... futex resumed>) = 0 [pid 6573] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = 1 [pid 6576] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6573] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ [pid 5831] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6576] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6568, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6576] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6573] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6573] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] newfstatat(3, "", [pid 6573] <... futex resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6573] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] getdents64(3, [pid 6576] ftruncate(4, 33554441 [pid 6575] <... mount resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6577] <... ioctl resumed>) = 0 [pid 5831] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6577] close(3) = 0 [pid 6575] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6577] close(4 [pid 5831] newfstatat(AT_FDCWD, "./52/binderfs", [pid 6577] <... close resumed>) = 0 [pid 5829] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6577] mkdir("./file0", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6575] <... openat resumed>) = 3 [pid 6575] chdir("./file0" [pid 6577] <... mkdir resumed>) = 0 [pid 6575] <... chdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6575] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6577] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6575] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] unlink("./52/binderfs" [pid 5829] <... openat resumed>) = 3 [pid 6575] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5829] newfstatat(3, "", [pid 6575] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] <... futex resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6572] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... unlink resumed>) = 0 [pid 6575] <... futex resumed>) = 0 [pid 6572] <... futex resumed>) = 1 [pid 5831] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6575] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6572] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6575] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6575] <... futex resumed>) = 1 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./54/binderfs" [pid 6575] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... unlink resumed>) = 0 [pid 5829] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6572] <... futex resumed>) = 0 [pid 6572] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = 0 [pid 6572] <... futex resumed>) = 1 [pid 6575] ftruncate(4, 33554441 [ 89.567862][ T6577] loop1: detected capacity change from 0 to 1024 [pid 6572] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6573] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 6573] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6577] <... mount resumed>) = 0 [pid 6577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6573] <... mprotect resumed>) = 0 [pid 6573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6577] <... openat resumed>) = 3 [pid 6573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6577] chdir("./file0" [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6577] <... chdir resumed>) = 0 [pid 6573] <... clone3 resumed> => {parent_tid=[6578]}, 88) = 6578 [pid 6577] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6573] rt_sigprocmask(SIG_SETMASK, [], [pid 6577] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6577] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 1 [pid 6574] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6574] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6578 attached [pid 6574] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... openat resumed>) = 4 [pid 6578] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6577] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6574] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] ftruncate(4, 33554441 [pid 6574] <... futex resumed>) = 0 [pid 6574] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] <... rseq resumed>) = 0 [pid 6572] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6578] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6572] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... set_robust_list resumed>) = 0 [pid 6572] <... futex resumed>) = 0 [pid 6578] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6578] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6572] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6578] <... unlinkat resumed>) = 0 [pid 6576] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6572] <... mprotect resumed>) = 0 [pid 6572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 89.616841][ T11] hfsplus: b-tree write err: -5, ino 4 [ 89.616877][ T35] hfsplus: b-tree write err: -5, ino 4 [pid 6576] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6579 attached [pid 6576] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = 0 [pid 6576] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] newfstatat(AT_FDCWD, "./52/file0", [pid 5829] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6579] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6578] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... clone3 resumed> => {parent_tid=[6579]}, 88) = 6579 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6578] <... futex resumed>) = 1 [pid 6573] <... futex resumed>) = 0 [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6573] exit_group(0 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./54/file0", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6579] <... rseq resumed>) = 0 [pid 6573] <... exit_group resumed>) = ? [pid 6572] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... futex resumed>) = ? [pid 5831] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6576] +++ exited with 0 +++ [pid 6579] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6578] +++ exited with 0 +++ [pid 6573] +++ exited with 0 +++ [pid 6572] <... futex resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6579] <... set_robust_list resumed>) = 0 [pid 6572] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6573, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6579] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5831] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 6579] <... unlinkat resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(4, "", [pid 6579] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5831] close(4 [pid 6579] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./52/file0" [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6579] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] rmdir("./54/file0" [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5831] getdents64(3, [pid 5829] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./53/binderfs" [pid 6577] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6577] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5833] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(3 [pid 5829] close(3 [pid 6577] <... futex resumed>) = 1 [pid 6575] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6577] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rmdir("./52" [pid 5829] rmdir("./54" [pid 6577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6574] <... futex resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6577] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6574] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] mkdir("./55", 0777 [pid 6577] <... unlinkat resumed>) = 0 [pid 5831] mkdir("./53", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6575] <... futex resumed>) = 0 [pid 6572] exit_group(0) = ? [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6579] <... futex resumed>) = ? [pid 6577] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6579] +++ exited with 0 +++ [pid 6577] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6572] +++ exited with 0 +++ [pid 5829] <... close resumed>) = 0 [pid 6574] exit_group(0 [pid 5833] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- 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 6574] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./53/file0", [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 4 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(4, "", [pid 5832] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] getdents64(4, 0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5832] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5833] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./52/binderfs" [pid 5833] rmdir("./53/file0" [pid 5832] <... unlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6577] +++ exited with 0 +++ [pid 6574] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6574, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6580 attached [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6580 [pid 6580] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6580] chdir("./55") = 0 [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6580] setpgid(0, 0 [pid 5833] close(3 [pid 6580] <... setpgid resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6580] <... openat resumed>) = 3 [pid 5833] rmdir("./53" [pid 6580] write(3, "1000", 4) = 4 [ 89.706482][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 6580] close(3) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6580] symlink("/dev/binderfs", "./binderfs" [pid 5833] mkdir("./54", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6580] <... symlink resumed>) = 0 executing program [pid 6580] write(1, "executing program\n", 18) = 18 [pid 6580] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6580] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, ./strace-static-x86_64: Process 6581 attached [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6581] set_robust_list(0x5555832d26a0, 24 [pid 6580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6581 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] newfstatat(AT_FDCWD, "./52/file0", [pid 5830] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5833] <... ioctl resumed>) = 0 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6581] chdir("./53" [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6581] <... chdir resumed>) = 0 [pid 6580] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6580] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6581] <... prctl resumed>) = 0 [pid 6580] <... mprotect resumed>) = 0 [pid 6581] setpgid(0, 0 [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6581] <... setpgid resumed>) = 0 [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5833] <... close resumed>) = 0 [pid 5832] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./52/binderfs" [pid 6580] <... clone3 resumed> => {parent_tid=[6582]}, 88) = 6582 ./strace-static-x86_64: Process 6582 attached [pid 6581] <... openat resumed>) = 3 [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... unlink resumed>) = 0 [pid 6582] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6581] write(3, "1000", 4 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 89.765439][ T2948] hfsplus: b-tree write err: -5, ino 4 executing program [pid 5830] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6582] <... rseq resumed>) = 0 [pid 6581] <... write resumed>) = 4 [pid 6580] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6581] close(3 [pid 6580] <... futex resumed>) = 0 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6581] <... close resumed>) = 0 [pid 6580] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6582] rt_sigprocmask(SIG_SETMASK, [], [pid 6581] symlink("/dev/binderfs", "./binderfs" [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6581] <... symlink resumed>) = 0 [pid 6582] memfd_create("syzkaller", 0 [pid 6581] write(1, "executing program\n", 18 [pid 6582] <... memfd_create resumed>) = 3 [pid 6581] <... write resumed>) = 18 [pid 5832] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6581] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 4 [pid 6581] <... futex resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6582] <... mmap resumed>) = 0x7f3f93e00000 [pid 6581] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6581] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] getdents64(4, [pid 6581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5832] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 [pid 6581] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6583]}, 88) = 6583 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6583 attached NULL, 8) = 0 [pid 6582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6581] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6581] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6583] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053) = 0 [pid 6583] set_robust_list(0x7f3f9c27c9a0, 24) = 0 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6583] memfd_create("syzkaller", 0) = 3 [pid 6583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] getdents64(4, 0x5555832db770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6584 attached [pid 6583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6582] <... write resumed>) = 524288 [pid 5832] close(4) = 0 [pid 6584] set_robust_list(0x5555832d26a0, 24 [pid 5832] rmdir("./52/file0") = 0 [pid 6584] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6584 [pid 5832] getdents64(3, 0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6584] chdir("./54" [pid 5832] <... close resumed>) = 0 [pid 6582] munmap(0x7f3f93e00000, 138412032 [pid 5832] rmdir("./52" [pid 6584] <... chdir resumed>) = 0 [pid 6583] <... write resumed>) = 524288 [pid 5830] <... umount2 resumed>) = 0 [pid 6584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6582] <... munmap resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6584] <... prctl resumed>) = 0 [pid 5832] mkdir("./53", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] setpgid(0, 0 [pid 5830] newfstatat(AT_FDCWD, "./52/file0", [pid 6583] munmap(0x7f3f93e00000, 138412032 [pid 6582] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... mkdir resumed>) = 0 [pid 6584] <... setpgid resumed>) = 0 [pid 6583] <... munmap resumed>) = 0 [pid 6582] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6582] ioctl(4, LOOP_SET_FD, 3 [pid 6584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6583] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./52/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6584] <... openat resumed>) = 3 [pid 6583] <... openat resumed>) = 4 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] write(3, "1000", 4 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6584] <... write resumed>) = 4 [pid 6583] ioctl(4, LOOP_SET_FD, 3 [pid 5832] close(3 [pid 5830] <... openat resumed>) = 4 [pid 6584] close(3 [pid 6582] <... ioctl resumed>) = 0 [pid 6582] close(3) = 0 [pid 6584] <... close resumed>) = 0 [pid 6583] <... ioctl resumed>) = 0 [pid 6582] close(4 [pid 5832] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6584] symlink("/dev/binderfs", "./binderfs" [pid 6583] close(3 [pid 6582] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6584] <... symlink resumed>) = 0 [pid 6582] mkdir("./file0", 0777executing program [pid 5830] getdents64(4, [pid 6584] write(1, "executing program\n", 18 [pid 6583] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555832d2690) = 6585 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6584] <... write resumed>) = 18 [pid 5830] getdents64(4, [pid 6584] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] close(4 [pid 5830] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6584] <... futex resumed>) = 0 [pid 6583] <... close resumed>) = 0 [pid 5830] close(4 [pid 6584] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5830] <... close resumed>) = 0 [pid 6584] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6583] mkdir("./file0", 0777 [pid 5830] rmdir("./52/file0"./strace-static-x86_64: Process 6585 attached [pid 6584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6583] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6585] set_robust_list(0x5555832d26a0, 24 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... mkdir resumed>) = 0 [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] getdents64(3, [pid 6584] <... mmap resumed>) = 0x7f3f9c25c000 [pid 5830] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6584] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5830] close(3 [pid 6584] <... mprotect resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] rmdir("./52") = 0 [pid 5830] mkdir("./53", 0777 [pid 6584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6586 attached [pid 6586] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6584] <... clone3 resumed> => {parent_tid=[6586]}, 88) = 6586 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6586] <... rseq resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 6583] mount("/dev/loop2", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5830] <... openat resumed>) = 3 [pid 6586] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6586] <... set_robust_list resumed>) = 0 [pid 6585] chdir("./53" [pid 6584] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6586] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] <... chdir resumed>) = 0 [pid 6584] <... futex resumed>) = 0 [pid 6586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6584] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... ioctl resumed>) = 0 [pid 6586] memfd_create("syzkaller", 0 [pid 6585] <... prctl resumed>) = 0 [ 89.816768][ T35] hfsplus: b-tree write err: -5, ino 4 [ 89.851268][ T6582] loop0: detected capacity change from 0 to 1024 [ 89.857208][ T6583] loop2: detected capacity change from 0 to 1024 [pid 5830] close(3 [pid 6585] setpgid(0, 0 [pid 6582] <... mount resumed>) = 0 [pid 6585] <... setpgid resumed>) = 0 [pid 6582] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6586] <... memfd_create resumed>) = 3 [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6585] <... openat resumed>) = 3 [pid 6582] <... openat resumed>) = 3 [pid 6586] <... mmap resumed>) = 0x7f3f93e00000 [pid 6586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6585] write(3, "1000", 4 [pid 6582] chdir("./file0" [pid 6585] <... write resumed>) = 4 [pid 6582] <... chdir resumed>) = 0 [pid 6585] close(3 [pid 6582] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6585] <... close resumed>) = 0 [pid 6585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6585] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] <... close resumed>) = 0 [pid 6585] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6583] <... mount resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6582] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] <... futex resumed>) = 0 [pid 6585] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6583] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6582] <... futex resumed>) = 1 [pid 6580] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6587 attached [pid 6585] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6582] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6580] <... futex resumed>) = 0 [pid 6585] <... mprotect resumed>) = 0 [pid 6580] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6583] <... openat resumed>) = 3 [pid 6583] chdir("./file0" [pid 6585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6583] <... chdir resumed>) = 0 [pid 6582] <... openat resumed>) = 4 [pid 6587] set_robust_list(0x5555832d26a0, 24 [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6583] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6582] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... clone resumed>, child_tidptr=0x5555832d2690) = 6587 ./strace-static-x86_64: Process 6588 attached [pid 6587] <... set_robust_list resumed>) = 0 [pid 6583] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6588] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6585] <... clone3 resumed> => {parent_tid=[6588]}, 88) = 6588 [pid 6583] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... rseq resumed>) = 0 [pid 6587] chdir("./53" [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6583] <... futex resumed>) = 1 [pid 6582] <... futex resumed>) = 1 [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6588] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6587] <... chdir resumed>) = 0 [pid 6586] <... write resumed>) = 524288 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... set_robust_list resumed>) = 0 [pid 6587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6585] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6588] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] <... prctl resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6582] ftruncate(4, 33554441 [pid 6581] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6585] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6586] munmap(0x7f3f93e00000, 138412032 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] memfd_create("syzkaller", 0 [pid 6586] <... munmap resumed>) = 0 [pid 6583] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6588] <... memfd_create resumed>) = 3 [pid 6583] <... openat resumed>) = 4 [pid 6588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6587] setpgid(0, 0 [pid 6588] <... mmap resumed>) = 0x7f3f93e00000 [pid 6587] <... setpgid resumed>) = 0 [pid 6583] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6583] <... futex resumed>) = 1 [pid 6581] <... futex resumed>) = 0 [pid 6587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6586] <... openat resumed>) = 4 [pid 6583] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... openat resumed>) = 3 [pid 6586] ioctl(4, LOOP_SET_FD, 3 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = 0 [pid 6588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6587] write(3, "1000", 4 [pid 6583] ftruncate(4, 33554441 [pid 6581] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] <... write resumed>) = 4 [pid 6587] close(3) = 0 [pid 6587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6586] <... ioctl resumed>) = 0 [pid 6586] close(3) = 0 executing program [pid 6586] close(4) = 0 [pid 6587] write(1, "executing program\n", 18 [pid 6586] mkdir("./file0", 0777 [pid 6587] <... write resumed>) = 18 [pid 6586] <... mkdir resumed>) = 0 [pid 6587] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6588] <... write resumed>) = 524288 [pid 6587] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 6586] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6588] munmap(0x7f3f93e00000, 138412032 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6586] <... mount resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6587] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6588] <... munmap resumed>) = 0 [pid 6587] <... mprotect resumed>) = 0 [pid 6586] <... openat resumed>) = 3 [pid 6580] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6586] chdir("./file0" [pid 6580] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 6586] <... chdir resumed>) = 0 [pid 6581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6581] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... mprotect resumed>) = 0 [pid 6586] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6581] <... futex resumed>) = 0 [pid 6587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6586] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} [pid 6586] <... futex resumed>) = 1 [pid 6581] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [ 89.936459][ T6586] loop4: detected capacity change from 0 to 1024 [pid 6586] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 0 [pid 6581] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6584] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6590 attached [pid 6586] <... futex resumed>) = 0 [pid 6584] <... futex resumed>) = 1 [pid 6581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6586] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6584] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6589 attached [pid 6590] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6588] ioctl(4, LOOP_SET_FD, 3 [pid 6587] <... clone3 resumed> => {parent_tid=[6589]}, 88) = 6589 [pid 6586] <... openat resumed>) = 4 [pid 6581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6580] <... clone3 resumed> => {parent_tid=[6590]}, 88) = 6590 [pid 6590] <... rseq resumed>) = 0 [pid 6589] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6586] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6591 attached [pid 6590] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6586] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6591] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6590] <... set_robust_list resumed>) = 0 [pid 6586] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... clone3 resumed> => {parent_tid=[6591]}, 88) = 6591 [pid 6591] <... rseq resumed>) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], [pid 6586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 0 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6586] ftruncate(4, 33554441 [pid 6584] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] <... rseq resumed>) = 0 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6589] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6581] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] <... set_robust_list resumed>) = 0 [pid 6582] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6587] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6580] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6590] <... futex resumed>) = 0 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] <... futex resumed>) = 0 [pid 6582] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] <... futex resumed>) = 1 [pid 6590] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 0 [pid 6580] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] <... unlinkat resumed>) = 0 [pid 6590] <... unlinkat resumed>) = 0 [pid 6589] memfd_create("syzkaller", 0 [pid 6588] <... ioctl resumed>) = 0 [pid 6582] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6589] <... memfd_create resumed>) = 3 [pid 6589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6591] <... futex resumed>) = 1 [pid 6590] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6583] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6591] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] <... futex resumed>) = 1 [pid 6580] <... futex resumed>) = 0 [pid 6590] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] exit_group(0 [pid 6580] exit_group(0 [pid 6591] <... futex resumed>) = ? [pid 6581] <... exit_group resumed>) = ? [pid 6590] <... futex resumed>) = ? [pid 6582] <... futex resumed>) = ? [pid 6580] <... exit_group resumed>) = ? [pid 6591] +++ exited with 0 +++ [pid 6582] +++ exited with 0 +++ [pid 6590] +++ exited with 0 +++ [pid 6588] close(3 [pid 6583] <... futex resumed>) = ? [pid 6588] <... close resumed>) = 0 [pid 6583] +++ exited with 0 +++ [pid 6588] close(4) = 0 [pid 6580] +++ exited with 0 +++ [pid 6588] mkdir("./file0", 0777) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6580, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6588] mount("/dev/loop3", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6581] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6581, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6588] <... mount resumed>) = 0 [pid 5829] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 90.005022][ T6588] loop3: detected capacity change from 0 to 1024 [pid 5829] newfstatat(3, "", [pid 6589] <... write resumed>) = 524288 [pid 6588] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6586] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6584] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6588] <... openat resumed>) = 3 [pid 5831] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6588] chdir("./file0" [pid 6586] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] <... futex resumed>) = 0 [pid 6584] <... futex resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] <... chdir resumed>) = 0 [pid 6586] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6584] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6588] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6584] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 6588] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... mprotect resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 6588] <... futex resumed>) = 1 [pid 6585] <... futex resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6588] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] <... futex resumed>) = 0 [pid 6584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5829] newfstatat(AT_FDCWD, "./55/binderfs", ./strace-static-x86_64: Process 6592 attached [pid 6589] munmap(0x7f3f93e00000, 138412032 [pid 6588] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6585] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6592] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6589] <... munmap resumed>) = 0 [pid 6588] <... openat resumed>) = 4 [pid 6584] <... clone3 resumed> => {parent_tid=[6592]}, 88) = 6592 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] unlink("./55/binderfs" [pid 6592] <... rseq resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./53/binderfs", [pid 6592] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6592] <... set_robust_list resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6588] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] unlink("./53/binderfs" [pid 5829] umount2("./55/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6592] rt_sigprocmask(SIG_SETMASK, [], [pid 6589] <... openat resumed>) = 4 [pid 6588] <... futex resumed>) = 1 [pid 6585] <... futex resumed>) = 0 [pid 6584] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... unlink resumed>) = 0 [pid 6592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] ioctl(4, LOOP_SET_FD, 3 [pid 6588] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 0 [pid 5831] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6592] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6584] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... unlinkat resumed>) = 0 [pid 6585] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6584] exit_group(0 [pid 6586] <... futex resumed>) = ? [pid 6584] <... exit_group resumed>) = ? [pid 6586] +++ exited with 0 +++ [pid 6592] +++ exited with 0 +++ [pid 6584] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6584, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6589] <... ioctl resumed>) = 0 [pid 6588] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 1 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6588] ftruncate(4, 33554441 [pid 6585] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6589] close(3 [pid 5833] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6589] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6589] close(4 [pid 5833] newfstatat(3, "", [pid 6589] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6589] mkdir("./file0", 0777) = 0 [pid 5833] getdents64(3, [pid 6589] mount("/dev/loop1", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./54/binderfs") = 0 [ 90.083737][ T6589] loop1: detected capacity change from 0 to 1024 [ 90.093373][ T35] hfsplus: b-tree write err: -5, ino 4 [ 90.100170][ T2948] hfsplus: b-tree write err: -5, ino 4 [pid 5833] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6589] <... mount resumed>) = 0 [pid 6589] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6589] chdir("./file0") = 0 [pid 6589] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6589] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6589] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6587] <... futex resumed>) = 0 [pid 6587] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6589] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6587] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = 0 [pid 6589] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] umount2("./55/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6589] <... futex resumed>) = 1 [pid 6587] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6589] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6587] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6587] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6589] ftruncate(4, 33554441 [pid 6587] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c23b000 [pid 5831] <... umount2 resumed>) = 0 [pid 6585] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5829] newfstatat(AT_FDCWD, "./55/file0", [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0}./strace-static-x86_64: Process 6593 attached [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6585] <... clone3 resumed> => {parent_tid=[6593]}, 88) = 6593 [pid 6593] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] <... rseq resumed>) = 0 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] umount2("./55/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6593] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6585] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... set_robust_list resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6593] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6593] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./53/file0", [pid 5829] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./53/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 5831] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5831] <... openat resumed>) = 4 [pid 5829] getdents64(4, [pid 5831] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] close(4 [pid 5831] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 5829] rmdir("./55/file0" [pid 5831] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5829] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 6588] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 5831] rmdir("./53/file0" [pid 5829] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./55" [pid 5831] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [ 90.133558][ T2948] hfsplus: b-tree write err: -5, ino 4 [ 90.170716][ T6593] ------------[ cut here ]------------ [pid 5831] rmdir("./53" [pid 6588] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] mkdir("./56", 0777 [pid 6588] <... futex resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6588] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] mkdir("./54", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 3 [pid 5829] <... ioctl resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555832d2690) = 6594 [ 90.176653][ T6593] WARNING: CPU: 0 PID: 6593 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x708/0xae0 [ 90.187860][ T6593] Modules linked in: [ 90.192200][ T6593] CPU: 0 UID: 0 PID: 6593 Comm: syz-executor216 Not tainted 6.12.0-rc7-syzkaller-00192-gb5a24181e461 #0 [ 90.203628][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 90.214307][ T6593] RIP: 0010:hfsplus_free_extents+0x708/0xae0 [pid 5833] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./54/file0", [pid 5829] <... clone resumed>, child_tidptr=0x5555832d2690) = 6595 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./54/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6595 attached ) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6595] set_robust_list(0x5555832d26a0, 24 [pid 5833] getdents64(4, [pid 6595] <... set_robust_list resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 2 entries */, 32768) = 48 [pid 6595] chdir("./56" [pid 5833] getdents64(4, [pid 6595] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555832db770 /* 0 entries */, 32768) = 0 [pid 6595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] close(4 [pid 6595] <... prctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6595] setpgid(0, 0 [pid 5833] rmdir("./54/file0" [pid 6595] <... setpgid resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(3, [pid 6595] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555832d3730 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 6595] write(3, "1000", 4 [pid 5833] rmdir("./54" [pid 6595] <... write resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 6595] close(3 [pid 5833] mkdir("./55", 0777) = 0 [pid 6595] <... close resumed>) = 0 [pid 6595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6595] write(1, "executing program\n", 18 [pid 6587] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5833] <... ioctl resumed>) = 0 [pid 6595] <... write resumed>) = 18 [pid 6587] <... futex resumed>) = 0 [pid 6595] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] close(3 [pid 6587] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6587] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} => {parent_tid=[6596]}, 88) = 6596 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6587] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 90.220612][ T6593] Code: cb 44 89 ef 89 de e8 27 4c 12 ff 41 39 dd 75 22 49 83 c7 28 e8 59 4a 12 ff 41 bc 05 00 00 00 e9 de f9 ff ff e8 49 4a 12 ff 90 <0f> 0b 90 e9 7d f9 ff ff 44 89 ef 89 de e8 f6 4b 12 ff 41 29 dd 73 [ 90.240429][ T6593] RSP: 0018:ffffc9000b94f970 EFLAGS: 00010293 [ 90.247550][ T6593] RAX: ffffffff82829f67 RBX: ffff8880753ca820 RCX: ffff88807cea8000 [ 90.255768][ T6593] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888034e32048 [ 90.263806][ T6593] RBP: ffff88807351e000 R08: ffff888034e3204f R09: 1ffff110069c6409 [ 90.272129][ T6593] R10: dffffc0000000000 R11: ffffed10069c640a R12: dffffc0000000000 [pid 6587] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] <... futex resumed>) = 0 [pid 6595] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, [pid 5833] <... close resumed>) = 0 [pid 6595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3f9c25c000 ./strace-static-x86_64: Process 6597 attached [pid 6595] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 5833] <... clone resumed>, child_tidptr=0x5555832d2690) = 6597 [pid 6595] <... mprotect resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6598 attached [pid 6597] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6595] <... clone3 resumed> => {parent_tid=[6598]}, 88) = 6598 [pid 6597] chdir("./55" [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 6597] <... chdir resumed>) = 0 [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6595] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6595] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6597] setpgid(0, 0) = 0 [pid 6598] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6598] <... rseq resumed>) = 0 [pid 6597] <... openat resumed>) = 3 [pid 6598] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6597] write(3, "1000", 4 [pid 6598] <... set_robust_list resumed>) = 0 [pid 6597] <... write resumed>) = 4 [pid 6598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6597] close(3 [pid 6598] memfd_create("syzkaller", 0 [pid 6597] <... close resumed>) = 0 [pid 6598] <... memfd_create resumed>) = 3 [pid 6597] symlink("/dev/binderfs", "./binderfs" [pid 6587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6597] <... symlink resumed>) = 0 [pid 6598] <... mmap resumed>) = 0x7f3f93e00000 executing program [pid 6598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [ 90.280199][ T6593] R13: 0000000000000001 R14: 0000000000000001 R15: ffff888035676558 [ 90.288239][ T6593] FS: 00007f3f9c25b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 90.297821][ T6593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.304498][ T6593] CR2: 00007f3f9c25bd58 CR3: 0000000022fa4000 CR4: 00000000003526f0 [ 90.312846][ T6593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.320853][ T6593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.328946][ T6593] Call Trace: [pid 6597] write(1, "executing program\n", 18) = 18 [pid 6589] <... ftruncate resumed>) = -1 ENOSPC (No space left on device) [pid 6597] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6597] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 90.332565][ T6593] [ 90.335555][ T6593] ? __warn+0x168/0x4e0 [ 90.339736][ T6593] ? hfsplus_free_extents+0x708/0xae0 [ 90.345222][ T6593] ? report_bug+0x2b3/0x500 [ 90.349757][ T6593] ? hfsplus_free_extents+0x708/0xae0 [ 90.355210][ T6593] ? handle_bug+0x60/0x90 [ 90.359567][ T6593] ? exc_invalid_op+0x1a/0x50 [ 90.364435][ T6593] ? asm_exc_invalid_op+0x1a/0x20 [ 90.369500][ T6593] ? hfsplus_free_extents+0x707/0xae0 [ 90.375234][ T6593] ? hfsplus_free_extents+0x708/0xae0 [pid 6597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6598] <... write resumed>) = 524288 [pid 6597] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6598] munmap(0x7f3f93e00000, 138412032 [pid 6597] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6598] <... munmap resumed>) = 0 [pid 6597] <... mprotect resumed>) = 0 [pid 6597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0}./strace-static-x86_64: Process 6599 attached [pid 6599] rseq(0x7f3f9c27cfe0, 0x20, 0, 0x53053053 [pid 6598] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6597] <... clone3 resumed> => {parent_tid=[6599]}, 88) = 6599 [pid 6599] <... rseq resumed>) = 0 [pid 6598] <... openat resumed>) = 4 [pid 6597] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] set_robust_list(0x7f3f9c27c9a0, 24 [pid 6598] ioctl(4, LOOP_SET_FD, 3 [pid 6597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], [pid 6597] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6597] <... futex resumed>) = 0 [pid 6599] memfd_create("syzkaller", 0 [pid 6597] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6599] <... memfd_create resumed>) = 3 [pid 6599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3f93e00000 [pid 6599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6598] <... ioctl resumed>) = 0 [pid 6598] close(3) = 0 [pid 6598] close(4) = 0 [pid 6598] mkdir("./file0", 0777) = 0 [ 90.380648][ T6593] ? hfsplus_find_init+0x14a/0x1c0 [ 90.385886][ T6593] hfsplus_file_truncate+0x86c/0xc70 [ 90.391580][ T6593] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 90.395498][ T6598] loop0: detected capacity change from 0 to 1024 [ 90.397983][ T6593] ? smk_access+0x4ab/0x4e0 [ 90.408279][ T6593] ? hfsplus_unlink+0x161/0x790 [ 90.413219][ T6593] hfsplus_delete_inode+0x174/0x220 [ 90.418876][ T6593] hfsplus_unlink+0x512/0x790 [ 90.423896][ T6593] ? __pfx_smack_inode_unlink+0x10/0x10 [ 90.429486][ T6593] ? __pfx_hfsplus_unlink+0x10/0x10 [pid 6599] <... write resumed>) = 524288 [pid 6598] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6599] munmap(0x7f3f93e00000, 138412032 [pid 6598] <... mount resumed>) = 0 [pid 6598] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6598] chdir("./file0") = 0 [pid 6598] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6599] <... munmap resumed>) = 0 [pid 6598] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6595] <... futex resumed>) = 0 [pid 6598] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6595] <... futex resumed>) = 0 [pid 6598] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6595] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... openat resumed>) = 4 [pid 6599] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6598] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... openat resumed>) = 4 [pid 6598] <... futex resumed>) = 1 [pid 6595] <... futex resumed>) = 0 [pid 6599] ioctl(4, LOOP_SET_FD, 3 [pid 6598] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 90.434894][ T6593] ? down_write+0x18c/0x220 [ 90.439446][ T6593] ? bpf_lsm_inode_unlink+0x9/0x10 [ 90.444812][ T6593] ? security_inode_unlink+0xd9/0x340 [ 90.450232][ T6593] vfs_unlink+0x365/0x650 [ 90.454690][ T6593] do_unlinkat+0x4ae/0x830 [ 90.457118][ T6599] loop4: detected capacity change from 0 to 1024 [ 90.459507][ T6593] ? __pfx_do_unlinkat+0x10/0x10 [ 90.470724][ T6593] ? __might_fault+0xaa/0x120 [ 90.475503][ T6593] ? __might_fault+0xc6/0x120 [ 90.480215][ T6593] ? strncpy_from_user+0x13a/0x260 [pid 6595] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] ftruncate(4, 33554441 [pid 6599] <... ioctl resumed>) = 0 [pid 6599] close(3./strace-static-x86_64: Process 6594 attached [pid 6594] set_robust_list(0x5555832d26a0, 24) = 0 [pid 6594] chdir("./54") = 0 [pid 6594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6594] setpgid(0, 0 [pid 6595] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... setpgid resumed>) = 0 [pid 6595] <... futex resumed>) = 0 [pid 6594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6594] <... openat resumed>) = 3 [pid 6595] <... mmap resumed>) = 0x7f3f9c23b000 [pid 6594] write(3, "1000", 4 [pid 6595] mprotect(0x7f3f9c23c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6594] <... write resumed>) = 4 [pid 6595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6594] close(3 [pid 6595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6594] <... close resumed>) = 0 [ 90.485416][ T6593] ? getname_flags+0x1e3/0x540 [ 90.490217][ T6593] __x64_sys_unlinkat+0xcc/0xf0 [ 90.495147][ T6593] do_syscall_64+0xf3/0x230 [ 90.499684][ T6593] ? clear_bhb_loop+0x35/0x90 [ 90.504445][ T6593] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.510696][ T6593] RIP: 0033:0x7f3f9c2c5d09 [ 90.515190][ T6593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [pid 6595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3f9c25b990, parent_tid=0x7f3f9c25b990, exit_signal=0, stack=0x7f3f9c23b000, stack_size=0x20300, tls=0x7f3f9c25b6c0} [pid 6594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6594] write(1, "executing program\n", 18) = 18 [pid 6594] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6594] rt_sigaction(SIGRT_1, {sa_handler=0x7f3f9c2ec120, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3f9c2dd2d0}, NULL, 8) = 0 [pid 6599] <... close resumed>) = 0 [pid 6594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6599] close(4 [pid 6595] <... clone3 resumed> => {parent_tid=[6600]}, 88) = 6600 [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... close resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 6594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6599] mkdir("./file0", 0777 [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6594] <... mmap resumed>) = 0x7f3f9c25c000 [pid 6599] <... mkdir resumed>) = 0 [pid 6595] futex(0x7f3f9c34e6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] mprotect(0x7f3f9c25d000, 131072, PROT_READ|PROT_WRITE [pid 6599] mount("/dev/loop4", "./file0", "hfsplus", MS_NODEV|MS_NOEXEC|MS_I_VERSION|MS_LAZYTIME, "\x70\x61\x72\x74\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x34\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x2c\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x78\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x66\x37\x66\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xdd\xf2\xbd\x6c\x2c\x64\x65\x63\x6f\x6d\x70\x6f\x73\x65\x2c\x75\x69"... [pid 6595] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6600 attached [pid 6599] <... mount resumed>) = 0 [pid 6595] futex(0x7f3f9c34e6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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=0x7f3f9c27c990, parent_tid=0x7f3f9c27c990, exit_signal=0, stack=0x7f3f9c25c000, stack_size=0x20300, tls=0x7f3f9c27c6c0} => {parent_tid=[6601]}, 88) = 6601 [pid 6599] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6594] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] <... openat resumed>) = 3 [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] chdir("./file0" [pid 6594] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... chdir resumed>) = 0 [pid 6594] <... futex resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6594] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6599] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6600] rseq(0x7f3f9c25bfe0, 0x20, 0, 0x53053053 [pid 6599] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... rseq resumed>) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6600] set_robust_list(0x7f3f9c25b9a0, 24 [pid 6599] futex(0x7f3f9c34e6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6600] <... set_robust_list resumed>) = 0 [pid 6597] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 1 [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6597] futex(0x7f3f9c34e6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] unlinkat(AT_FDCWD, "./file0/file1", 0 [pid 6599] <... openat resumed>) = 4 [pid 6600] <... unlinkat resumed>) = 0 [pid 6599] futex(0x7f3f9c34e6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] futex(0x7f3f9c34e6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6600] <... futex resumed>) = 1 [ 90.534858][ T6593] RSP: 002b:00007f3f9c25b218 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 90.543485][ T6593] RAX: ffffffffffffffda RBX: 00007f3f9c34e6d8 RCX: 00007f3f9c2c5d09 [ 90.552321][ T6593] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 90.560374][ T6593] RBP: 00007f3f9c34e6d0 R08: 00007ffd648f5ac7 R09: 0000000000000000 [ 90.568434][ T6593] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 90.576952][ T6593] R13: 0073756c70736668 R14: 0031656c69662f30 R15: 2f30656c69662f2e [pid 6599] ftruncate(4, 33554441 [pid 6597] futex(0x7f3f9c34e6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... futex resumed>) = 0 [pid 6600] futex(0x7f3f9c34e6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] <... futex resumed>) = 0 [ 90.585044][ T6593] [ 90.588745][ T6593] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 90.596040][ T6593] CPU: 0 UID: 0 PID: 6593 Comm: syz-executor216 Not tainted 6.12.0-rc7-syzkaller-00192-gb5a24181e461 #0 [ 90.607160][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 90.617224][ T6593] Call Trace: [ 90.620496][ T6593] [ 90.623421][ T6593] dump_stack_lvl+0x241/0x360 [ 90.628102][ T6593] ? __pfx_dump_stack_lvl+0x10/0x10 [ 90.633300][ T6593] ? __pfx__printk+0x10/0x10 [ 90.637886][ T6593] ? _printk+0xd5/0x120 [ 90.642043][ T6593] ? __init_begin+0x41000/0x41000 [ 90.647067][ T6593] ? vscnprintf+0x5d/0x90 [ 90.651395][ T6593] panic+0x349/0x880 [ 90.655285][ T6593] ? __warn+0x177/0x4e0 [ 90.659433][ T6593] ? __pfx_panic+0x10/0x10 [ 90.663841][ T6593] ? show_trace_log_lvl+0x3b2/0x410 [ 90.669044][ T6593] __warn+0x34b/0x4e0 [ 90.673016][ T6593] ? hfsplus_free_extents+0x708/0xae0 [ 90.678384][ T6593] report_bug+0x2b3/0x500 [ 90.682706][ T6593] ? hfsplus_free_extents+0x708/0xae0 [ 90.688072][ T6593] handle_bug+0x60/0x90 [ 90.692220][ T6593] exc_invalid_op+0x1a/0x50 [ 90.696720][ T6593] asm_exc_invalid_op+0x1a/0x20 [ 90.701565][ T6593] RIP: 0010:hfsplus_free_extents+0x708/0xae0 [ 90.707541][ T6593] Code: cb 44 89 ef 89 de e8 27 4c 12 ff 41 39 dd 75 22 49 83 c7 28 e8 59 4a 12 ff 41 bc 05 00 00 00 e9 de f9 ff ff e8 49 4a 12 ff 90 <0f> 0b 90 e9 7d f9 ff ff 44 89 ef 89 de e8 f6 4b 12 ff 41 29 dd 73 [ 90.727141][ T6593] RSP: 0018:ffffc9000b94f970 EFLAGS: 00010293 [ 90.733202][ T6593] RAX: ffffffff82829f67 RBX: ffff8880753ca820 RCX: ffff88807cea8000 [ 90.741163][ T6593] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888034e32048 [ 90.749125][ T6593] RBP: ffff88807351e000 R08: ffff888034e3204f R09: 1ffff110069c6409 [ 90.757088][ T6593] R10: dffffc0000000000 R11: ffffed10069c640a R12: dffffc0000000000 [ 90.765054][ T6593] R13: 0000000000000001 R14: 0000000000000001 R15: ffff888035676558 [ 90.773020][ T6593] ? hfsplus_free_extents+0x707/0xae0 [ 90.778390][ T6593] ? hfsplus_find_init+0x14a/0x1c0 [ 90.783503][ T6593] hfsplus_file_truncate+0x86c/0xc70 [ 90.788790][ T6593] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 90.794595][ T6593] ? smk_access+0x4ab/0x4e0 [ 90.799096][ T6593] ? hfsplus_unlink+0x161/0x790 [ 90.803957][ T6593] hfsplus_delete_inode+0x174/0x220 [ 90.809153][ T6593] hfsplus_unlink+0x512/0x790 [ 90.813824][ T6593] ? __pfx_smack_inode_unlink+0x10/0x10 [ 90.819367][ T6593] ? __pfx_hfsplus_unlink+0x10/0x10 [ 90.824560][ T6593] ? down_write+0x18c/0x220 [ 90.829065][ T6593] ? bpf_lsm_inode_unlink+0x9/0x10 [ 90.834178][ T6593] ? security_inode_unlink+0xd9/0x340 [ 90.839550][ T6593] vfs_unlink+0x365/0x650 [ 90.843884][ T6593] do_unlinkat+0x4ae/0x830 [ 90.848307][ T6593] ? __pfx_do_unlinkat+0x10/0x10 [ 90.853241][ T6593] ? __might_fault+0xaa/0x120 [ 90.857918][ T6593] ? __might_fault+0xc6/0x120 [ 90.862594][ T6593] ? strncpy_from_user+0x13a/0x260 [ 90.867708][ T6593] ? getname_flags+0x1e3/0x540 [ 90.872465][ T6593] __x64_sys_unlinkat+0xcc/0xf0 [ 90.877312][ T6593] do_syscall_64+0xf3/0x230 [ 90.881809][ T6593] ? clear_bhb_loop+0x35/0x90 [ 90.886481][ T6593] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.892367][ T6593] RIP: 0033:0x7f3f9c2c5d09 [ 90.896777][ T6593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 90.916374][ T6593] RSP: 002b:00007f3f9c25b218 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 90.924785][ T6593] RAX: ffffffffffffffda RBX: 00007f3f9c34e6d8 RCX: 00007f3f9c2c5d09 [ 90.932761][ T6593] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 90.940743][ T6593] RBP: 00007f3f9c34e6d0 R08: 00007ffd648f5ac7 R09: 0000000000000000 [ 90.948714][ T6593] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 90.956678][ T6593] R13: 0073756c70736668 R14: 0031656c69662f30 R15: 2f30656c69662f2e [ 90.964657][ T6593] [ 90.967890][ T6593] Kernel Offset: disabled [ 90.972237][ T6593] Rebooting in 86400 seconds..