./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1072597077 <...> Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts. execve("./syz-executor1072597077", ["./syz-executor1072597077"], 0x7ffeaf9f4ef0 /* 10 vars */) = 0 brk(NULL) = 0x55558e663000 brk(0x55558e663d40) = 0x55558e663d40 arch_prctl(ARCH_SET_FS, 0x55558e6633c0) = 0 set_tid_address(0x55558e663690) = 5821 set_robust_list(0x55558e6636a0, 24) = 0 rseq(0x55558e663ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1072597077", 4096) = 28 getrandom("\xed\x25\x5f\xfd\xa9\xc9\x00\xf8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e663d40 brk(0x55558e684d40) = 0x55558e684d40 brk(0x55558e685000) = 0x55558e685000 mprotect(0x7fdef5c29000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5822 attached , child_tidptr=0x55558e663690) = 5822 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] set_robust_list(0x55558e6636a0, 24) = 0 ./strace-static-x86_64: Process 5823 attached [pid 5823] set_robust_list(0x55558e6636a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x55558e663690) = 5823 [pid 5822] mkdir("./syzkaller.5VrG9F", 0700 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5824 attached [pid 5823] mkdir("./syzkaller.rMTCeK", 0700 [pid 5824] set_robust_list(0x55558e6636a0, 24) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x55558e663690) = 5824 [pid 5824] mkdir("./syzkaller.E0KQP6", 0700 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached [pid 5822] <... mkdir resumed>) = 0 [pid 5822] chmod("./syzkaller.5VrG9F", 0777 [pid 5825] set_robust_list(0x55558e6636a0, 24 [pid 5824] <... mkdir resumed>) = 0 [pid 5823] <... mkdir resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x55558e663690) = 5825 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] chmod("./syzkaller.E0KQP6", 0777 [pid 5823] chmod("./syzkaller.rMTCeK", 0777 [pid 5822] <... chmod resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] <... chmod resumed>) = 0 [pid 5824] chdir("./syzkaller.E0KQP6" [pid 5825] mkdir("./syzkaller.Q7oUCP", 0700 [pid 5824] <... chdir resumed>) = 0 [pid 5824] mkdir("./0", 0777./strace-static-x86_64: Process 5826 attached [pid 5825] <... mkdir resumed>) = 0 [pid 5823] <... chmod resumed>) = 0 [pid 5822] chdir("./syzkaller.5VrG9F" [pid 5821] <... clone resumed>, child_tidptr=0x55558e663690) = 5826 [pid 5826] set_robust_list(0x55558e6636a0, 24 [pid 5825] chmod("./syzkaller.Q7oUCP", 0777 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5824] <... mkdir resumed>) = 0 [pid 5823] chdir("./syzkaller.rMTCeK" [pid 5822] <... chdir resumed>) = 0 [pid 5825] <... chmod resumed>) = 0 [pid 5826] mkdir("./syzkaller.Gvvwny", 0700 [pid 5825] chdir("./syzkaller.Q7oUCP" [pid 5823] <... chdir resumed>) = 0 [pid 5822] mkdir("./0", 0777 [pid 5825] <... chdir resumed>) = 0 [pid 5823] mkdir("./0", 0777 [pid 5822] <... mkdir resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] mkdir("./0", 0777 [pid 5824] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] chmod("./syzkaller.Gvvwny", 0777 [pid 5824] <... openat resumed>) = 3 [pid 5823] <... mkdir resumed>) = 0 [pid 5825] <... mkdir resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5824] ioctl(3, LOOP_CLR_FD [pid 5826] <... chmod resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5822] <... openat resumed>) = 3 [pid 5824] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5824] close(3 [pid 5823] <... openat resumed>) = 3 [pid 5825] <... openat resumed>) = 3 [pid 5824] <... close resumed>) = 0 [pid 5826] chdir("./syzkaller.Gvvwny" [pid 5822] ioctl(3, LOOP_CLR_FD [pid 5823] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5826] <... chdir resumed>) = 0 [pid 5825] ioctl(3, LOOP_CLR_FD [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] close(3 [pid 5822] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5828 attached [pid 5826] mkdir("./0", 0777 [pid 5825] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] <... close resumed>) = 0 [pid 5822] close(3 [pid 5828] set_robust_list(0x55558e6636a0, 24 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] close(3 [pid 5824] <... clone resumed>, child_tidptr=0x55558e663690) = 5828 [pid 5823] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] <... close resumed>) = 0 [pid 5825] <... close resumed>) = 0 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5828] chdir("./0") = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] setpgid(0, 0) = 0 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5829 attached executing program ./strace-static-x86_64: Process 5831 attached ./strace-static-x86_64: Process 5830 attached [pid 5828] write(3, "1000", 4 [pid 5826] <... openat resumed>) = 3 [pid 5823] <... clone resumed>, child_tidptr=0x55558e663690) = 5829 [pid 5822] <... clone resumed>, child_tidptr=0x55558e663690) = 5831 [pid 5828] <... write resumed>) = 4 [pid 5828] close(3) = 0 [pid 5828] symlink("/dev/binderfs", "./binderfs" [pid 5829] set_robust_list(0x55558e6636a0, 24 [pid 5828] <... symlink resumed>) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5829] chdir("./0" [pid 5828] write(1, "executing program\n", 18 [pid 5829] <... chdir resumed>) = 0 [pid 5828] <... write resumed>) = 18 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... prctl resumed>) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5829] setpgid(0, 0 [pid 5828] rt_sigaction(SIGRT_1, {sa_handler=0x7fdef5bcd0a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef5bbe250}, [pid 5829] <... setpgid resumed>) = 0 [pid 5828] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... openat resumed>) = 3 [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] set_robust_list(0x55558e6636a0, 24 [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5830] set_robust_list(0x55558e6636a0, 24 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] write(3, "1000", 4 [pid 5826] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5825] <... clone resumed>, child_tidptr=0x55558e663690) = 5830 [pid 5831] chdir("./0" [pid 5830] chdir("./0" [pid 5828] <... mmap resumed>) = 0x7fdef5b3d000 [pid 5829] <... write resumed>) = 4 [pid 5826] close(3 [pid 5831] <... chdir resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5829] close(3 [pid 5826] <... close resumed>) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... prctl resumed>) = 0 [pid 5830] <... prctl resumed>) = 0 [pid 5829] symlink("/dev/binderfs", "./binderfs" [pid 5830] setpgid(0, 0 [pid 5828] mprotect(0x7fdef5b3e000, 131072, PROT_READ|PROT_WRITE [pid 5831] setpgid(0, 0 [pid 5830] <... setpgid resumed>) = 0 [pid 5829] <... symlink resumed>) = 0 [pid 5828] <... mprotect resumed>) = 0 [pid 5831] <... setpgid resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5829] write(1, "executing program\n", 18 [pid 5828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... write resumed>) = 18 [pid 5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b5d990, parent_tid=0x7fdef5b5d990, exit_signal=0, stack=0x7fdef5b3d000, stack_size=0x20300, tls=0x7fdef5b5d6c0}./strace-static-x86_64: Process 5832 attached [pid 5831] write(3, "1000", 4 [pid 5830] write(3, "1000", 4 [pid 5829] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5833 attached [pid 5832] set_robust_list(0x55558e6636a0, 24 [pid 5831] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 4 [pid 5829] <... futex resumed>) = 0 [pid 5828] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833 [pid 5826] <... clone resumed>, child_tidptr=0x55558e663690) = 5832 [pid 5833] rseq(0x7fdef5b5dfe0, 0x20, 0, 0x53053053 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] close(3 [pid 5830] close(3 [pid 5829] rt_sigaction(SIGRT_1, {sa_handler=0x7fdef5bcd0a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef5bbe250}, [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... rseq resumed>) = 0 [pid 5832] chdir("./0" [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] set_robust_list(0x7fdef5b5d9a0, 24 [pid 5832] <... chdir resumed>) = 0 [pid 5831] symlink("/dev/binderfs", "./binderfs" [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5831] <... symlink resumed>) = 0 [pid 5830] <... symlink resumed>) = 0 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... prctl resumed>) = 0 [pid 5829] <... mmap resumed>) = 0x7fdef5b3d000 [pid 5828] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] setpgid(0, 0 executing program [pid 5829] mprotect(0x7fdef5b3e000, 131072, PROT_READ|PROT_WRITE [pid 5830] write(1, "executing program\n", 18 [pid 5832] <... setpgid resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... write resumed>) = 18 [pid 5829] <... mprotect resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] write(1, "executing program\n", 18 [pid 5830] <... futex resumed>) = 0 [pid 5829] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 5832] write(3, "1000", 4 [pid 5833] memfd_create("syzkaller", 0 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7fdef5bcd0a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef5bbe250}, [pid 5829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... write resumed>) = 4 [pid 5831] <... write resumed>) = 18 [pid 5830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b5d990, parent_tid=0x7fdef5b5d990, exit_signal=0, stack=0x7fdef5b3d000, stack_size=0x20300, tls=0x7fdef5b5d6c0} [pid 5833] <... memfd_create resumed>) = 3 [pid 5831] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5834 attached [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] rseq(0x7fdef5b5dfe0, 0x20, 0, 0x53053053 [pid 5832] <... close resumed>) = 0 [pid 5834] <... rseq resumed>) = 0 [pid 5832] symlink("/dev/binderfs", "./binderfs" [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7fdef5bcd0a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef5bbe250}, [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... clone3 resumed> => {parent_tid=[5834]}, 88) = 5834 [pid 5834] set_robust_list(0x7fdef5b5d9a0, 24 [pid 5833] <... mmap resumed>) = 0x7fdeed600000 [pid 5832] <... symlink resumed>) = 0 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5834] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] write(1, "executing program\n", 18 [pid 5829] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5832] <... write resumed>) = 18 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] <... mmap resumed>) = 0x7fdef5b3d000 [pid 5833] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 5832] rt_sigaction(SIGRT_1, {sa_handler=0x7fdef5bcd0a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef5bbe250}, [pid 5831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7fdef5b3e000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5833] <... write resumed>) = 131072 [pid 5832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... mprotect resumed>) = 0 [pid 5829] <... futex resumed>) = 1 [pid 5834] memfd_create("syzkaller", 0 [pid 5832] <... mmap resumed>) = 0x7fdef5b3d000 [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5834] <... memfd_create resumed>) = 3 [pid 5832] mprotect(0x7fdef5b3e000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... mmap resumed>) = 0x7fdef5b3d000 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b5d990, parent_tid=0x7fdef5b5d990, exit_signal=0, stack=0x7fdef5b3d000, stack_size=0x20300, tls=0x7fdef5b5d6c0} [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] munmap(0x7fdeed600000, 138412032 [pid 5832] <... mprotect resumed>) = 0 [pid 5831] mprotect(0x7fdef5b3e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5835 attached [pid 5834] <... mmap resumed>) = 0x7fdeed600000 [pid 5833] <... munmap resumed>) = 0 [pid 5832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5834] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] <... mprotect resumed>) = 0 [pid 5830] <... clone3 resumed> => {parent_tid=[5835]}, 88) = 5835 [pid 5835] rseq(0x7fdef5b5dfe0, 0x20, 0, 0x53053053 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... openat resumed>) = 4 [pid 5832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... rseq resumed>) = 0 [pid 5832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b5d990, parent_tid=0x7fdef5b5d990, exit_signal=0, stack=0x7fdef5b3d000, stack_size=0x20300, tls=0x7fdef5b5d6c0} [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] set_robust_list(0x7fdef5b5d9a0, 24 [pid 5834] <... write resumed>) = 131072 [pid 5833] ioctl(4, LOOP_SET_FD, 3 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b5d990, parent_tid=0x7fdef5b5d990, exit_signal=0, stack=0x7fdef5b3d000, stack_size=0x20300, tls=0x7fdef5b5d6c0} [pid 5830] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5836 attached [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] munmap(0x7fdeed600000, 138412032 [pid 5832] <... clone3 resumed> => {parent_tid=[5836]}, 88) = 5836 ./strace-static-x86_64: Process 5837 attached [pid 5836] rseq(0x7fdef5b5dfe0, 0x20, 0, 0x53053053 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... rseq resumed>) = 0 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... munmap resumed>) = 0 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] set_robust_list(0x7fdef5b5d9a0, 24 [pid 5835] memfd_create("syzkaller", 0 [pid 5832] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] <... memfd_create resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... futex resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... mmap resumed>) = 0x7fdeed600000 [pid 5834] <... openat resumed>) = 4 [pid 5836] memfd_create("syzkaller", 0 [pid 5835] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 5836] <... memfd_create resumed>) = 3 [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5837] rseq(0x7fdef5b5dfe0, 0x20, 0, 0x53053053 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... write resumed>) = 131072 [pid 5834] <... ioctl resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... clone3 resumed> => {parent_tid=[5837]}, 88) = 5837 [pid 5837] <... rseq resumed>) = 0 [pid 5834] close(3 [pid 5833] close(3 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] set_robust_list(0x7fdef5b5d9a0, 24 [pid 5836] <... mmap resumed>) = 0x7fdeed600000 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] munmap(0x7fdeed600000, 138412032 [pid 5834] close(4 [pid 5833] close(4 [pid 5831] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 5835] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] memfd_create("syzkaller", 0 [pid 5835] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... memfd_create resumed>) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... close resumed>) = 0 [pid 5833] mkdir("./file0", 0777 [pid 5837] <... mmap resumed>) = 0x7fdeed600000 [pid 5837] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 5836] <... write resumed>) = 131072 [pid 5835] <... openat resumed>) = 4 [pid 5834] mkdir("./file0", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... mkdir resumed>) = 0 [pid 5837] <... write resumed>) = 131072 [pid 5834] mount("/dev/loop1", "./file0", "exfat", 0, "" [pid 5833] mount("/dev/loop2", "./file0", "exfat", 0, "" [pid 5837] munmap(0x7fdeed600000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5836] munmap(0x7fdeed600000, 138412032 [pid 5837] <... openat resumed>) = 4 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5836] <... munmap resumed>) = 0 [ 62.736127][ T5833] loop2: detected capacity change from 0 to 256 [ 62.744625][ T5834] loop1: detected capacity change from 0 to 256 [ 62.769547][ T5835] loop3: detected capacity change from 0 to 256 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... ioctl resumed>) = 0 [pid 5835] close(3) = 0 [pid 5835] close(4 [pid 5837] close(3 [pid 5835] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] close(4) = 0 [pid 5835] mkdir("./file0", 0777 [pid 5837] mkdir("./file0", 0777) = 0 [pid 5835] <... mkdir resumed>) = 0 [ 62.782650][ T5837] loop0: detected capacity change from 0 to 256 [ 62.791365][ T5836] loop4: detected capacity change from 0 to 256 [ 62.808005][ T5833] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xbd19d014, utbl_chksum : 0xe619d30d) [ 62.809025][ T5834] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xbd19d014, utbl_chksum : 0xe619d30d) [pid 5837] mount("/dev/loop0", "./file0", "exfat", 0, "" [pid 5836] <... ioctl resumed>) = 0 [pid 5835] mount("/dev/loop3", "./file0", "exfat", 0, "" [pid 5833] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] chdir("./file0") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5833] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] close(3 [pid 5828] <... futex resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5828] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] close(4 [pid 5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5837] <... mount resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... futex resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5836] <... close resumed>) = 0 [pid 5833] creat("./bus", 000 [pid 5828] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] mkdir("./file0", 0777 [pid 5835] chdir("./file0" [pid 5834] <... openat resumed>) = 3 [pid 5835] <... chdir resumed>) = 0 [pid 5837] chdir("./file0" [pid 5835] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... chdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] chdir("./file0" [pid 5836] mount("/dev/loop4", "./file0", "exfat", 0, "" [pid 5834] <... chdir resumed>) = 0 [ 62.845084][ T5835] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xbd19d014, utbl_chksum : 0xe619d30d) [ 62.858923][ T5837] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xbd19d014, utbl_chksum : 0xe619d30d) [ 62.881571][ T5833] exFAT-fs (loop2): error, in sector 160, dentry 7 should be unused, but 0xc0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5837] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] creat("./bus", 000 [pid 5830] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5831] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... futex resumed>) = 0 [pid 5831] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] creat("./bus", 000 [pid 5834] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5828] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] <... mmap resumed>) = 0x7fdef5b1c000 [pid 5828] mprotect(0x7fdef5b1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... creat resumed>) = -1 EIO (Input/output error) [pid 5835] <... creat resumed>) = -1 EIO (Input/output error) [pid 5829] <... futex resumed>) = 0 [pid 5828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 62.896924][ T5835] exFAT-fs (loop3): error, in sector 160, dentry 7 should be unused, but 0xc0 [ 62.900736][ T5836] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xbd19d014, utbl_chksum : 0xe619d30d) [ 62.909195][ T5833] exFAT-fs (loop2): Filesystem has been set read-only [ 62.926584][ T5835] exFAT-fs (loop3): Filesystem has been set read-only [ 62.933847][ T5837] exFAT-fs (loop0): error, in sector 160, dentry 7 should be unused, but 0xc0 [pid 5829] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5830] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 1 [pid 5834] creat("./bus", 000 [pid 5830] <... futex resumed>) = 0 [pid 5829] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef5b1c000 [pid 5836] <... openat resumed>) = 3 [pid 5835] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... creat resumed>) = -1 EIO (Input/output error) [pid 5833] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7fdef5b1d000, 131072, PROT_READ|PROT_WRITE [pid 5828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] chdir("./file0" [pid 5835] <... futex resumed>) = 0 [pid 5834] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = 0 [pid 5830] <... mprotect resumed>) = 0 [pid 5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b3c990, parent_tid=0x7fdef5b3c990, exit_signal=0, stack=0x7fdef5b1c000, stack_size=0x20300, tls=0x7fdef5b3c6c0}./strace-static-x86_64: Process 5839 attached [pid 5836] <... chdir resumed>) = 0 [pid 5835] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 1 [pid 5833] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... futex resumed>) = 0 [pid 5839] rseq(0x7fdef5b3cfe0, 0x20, 0, 0x53053053 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone3 resumed> => {parent_tid=[5839]}, 88) = 5839 [pid 5839] <... rseq resumed>) = 0 [pid 5836] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b3c990, parent_tid=0x7fdef5b3c990, exit_signal=0, stack=0x7fdef5b1c000, stack_size=0x20300, tls=0x7fdef5b3c6c0} [pid 5829] <... futex resumed>) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5840 attached [pid 5839] set_robust_list(0x7fdef5b3c9a0, 24 [pid 5836] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] openat(AT_FDCWD, ".", O_RDONLY [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rseq(0x7fdef5b3cfe0, 0x20, 0, 0x53053053 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5834] <... openat resumed>) = 4 [pid 5831] <... mmap resumed>) = 0x7fdef5b1c000 [pid 5830] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5828] futex(0x7fdef5c2f6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rseq resumed>) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] mprotect(0x7fdef5b1d000, 131072, PROT_READ|PROT_WRITE [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... futex resumed>) = 0 [pid 5840] set_robust_list(0x7fdef5b3c9a0, 24 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5831] <... mprotect resumed>) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5828] futex(0x7fdef5c2f6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] openat(AT_FDCWD, ".", O_RDONLY [pid 5837] <... creat resumed>) = -1 EIO (Input/output error) [pid 5834] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... futex resumed>) = 0 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] futex(0x7fdef5c2f6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... openat resumed>) = 4 [pid 5837] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5834] ioctl(4, F2FS_IOC_SHUTDOWN, 0x400000000080 [pid 5832] <... futex resumed>) = 1 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdef5b3c990, parent_tid=0x7fdef5b3c990, exit_signal=0, stack=0x7fdef5b1c000, stack_size=0x20300, tls=0x7fdef5b3c6c0} [pid 5830] futex(0x7fdef5c2f6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] openat(AT_FDCWD, ".", O_RDONLY [pid 5839] <... futex resumed>) = 1 [pid 5837] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] creat("./bus", 000 [pid 5832] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... futex resumed>) = 0 [pid 5828] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5834] <... ioctl resumed>) = 0 [pid 5834] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5841 attached [pid 5840] <... openat resumed>) = 4 [pid 5839] futex(0x7fdef5c2f6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] ioctl(4, F2FS_IOC_SHUTDOWN, 0x400000000080 [pid 5831] <... clone3 resumed> => {parent_tid=[5841]}, 88) = 5841 [pid 5828] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] rseq(0x7fdef5b3cfe0, 0x20, 0, 0x53053053 [pid 5840] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] exit_group(0 [pid 5841] <... rseq resumed>) = 0 [pid 5840] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = ? [pid 5833] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... exit_group resumed>) = ? [pid 5841] set_robust_list(0x7fdef5b3c9a0, 24 [pid 5840] futex(0x7fdef5c2f6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] <... creat resumed>) = -1 EIO (Input/output error) [pid 5834] +++ exited with 0 +++ [pid 5833] <... futex resumed>) = 1 [pid 5831] futex(0x7fdef5c2f6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5836] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 0 [pid 5833] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5828] exit_group(0 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... futex resumed>) = ? [pid 5836] <... futex resumed>) = 1 [pid 5835] ioctl(4, F2FS_IOC_SHUTDOWN, 0x400000000080 [pid 5833] <... futex resumed>) = ? [pid 5832] <... futex resumed>) = 0 [pid 5831] futex(0x7fdef5c2f6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] +++ exited with 0 +++ [pid 5828] <... exit_group resumed>) = ? [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] +++ exited with 0 +++ [pid 5836] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... ioctl resumed>) = 0 [pid 5833] +++ exited with 0 +++ [pid 5832] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] openat(AT_FDCWD, ".", O_RDONLY [pid 5832] <... futex resumed>) = 0 [pid 5841] <... openat resumed>) = 4 [pid 5835] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] +++ exited with 0 +++ [pid 5823] restart_syscall(<... resuming interrupted clone ...> [pid 5841] futex(0x7fdef5c2f6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] openat(AT_FDCWD, ".", O_RDONLY [pid 5830] exit_group(0 [pid 5841] <... futex resumed>) = 1 [pid 5836] <... openat resumed>) = 4 [pid 5831] <... futex resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5841] futex(0x7fdef5c2f6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... futex resumed>) = ? [pid 5836] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = ? [pid 5831] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... exit_group resumed>) = ? [pid 5840] +++ exited with 0 +++ [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5835] +++ exited with 0 +++ [pid 5832] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = 1 [pid 5837] ioctl(4, F2FS_IOC_SHUTDOWN, 0x400000000080 [pid 5832] futex(0x7fdef5c2f6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] ioctl(4, F2FS_IOC_SHUTDOWN, 0x400000000080 [pid 5832] <... futex resumed>) = 0 [pid 5831] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... ioctl resumed>) = 0 [pid 5832] futex(0x7fdef5c2f6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5824] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] exit_group(0 [pid 5841] <... futex resumed>) = ? [pid 5837] <... futex resumed>) = ? [pid 5836] futex(0x7fdef5c2f6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... exit_group resumed>) = ? [pid 5824] <... openat resumed>) = 3 [pid 5823] <... restart_syscall resumed>) = 0 [pid 5841] +++ exited with 0 +++ [pid 5837] +++ exited with 0 +++ [pid 5836] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 0 [pid 5836] futex(0x7fdef5c2f6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] exit_group(0 [pid 5824] newfstatat(3, "", [pid 5836] <... futex resumed>) = ? [pid 5832] <... exit_group resumed>) = ? [pid 5831] +++ exited with 0 +++ [pid 5824] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] +++ exited with 0 +++ [pid 5832] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5824] getdents64(3, [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5824] <... getdents64 resumed>0x55558e664730 /* 4 entries */, 32768) = 112 [pid 5823] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5824] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] <... openat resumed>) = 3 [pid 5824] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5823] newfstatat(3, "", [pid 5824] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5824] unlink("./0/binderfs" [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5824] <... unlink resumed>) = 0 [pid 5824] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5823] getdents64(3, [pid 5824] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5823] <... getdents64 resumed>0x55558e664730 /* 4 entries */, 32768) = 112 [pid 5824] newfstatat(AT_FDCWD, "./0/file0", [pid 5823] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 62.945718][ T5837] exFAT-fs (loop0): Filesystem has been set read-only [ 62.952572][ T5834] exFAT-fs (loop1): error, in sector 160, dentry 7 should be unused, but 0xc0 [ 62.952595][ T5834] exFAT-fs (loop1): Filesystem has been set read-only [ 62.975465][ T5836] exFAT-fs (loop4): error, in sector 160, dentry 7 should be unused, but 0xc0 [ 62.984552][ T5836] exFAT-fs (loop4): Filesystem has been set read-only [pid 5826] <... openat resumed>) = 3 [pid 5823] unlink("./0/binderfs" [pid 5826] newfstatat(3, "", [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... unlink resumed>) = 0 [pid 5822] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5824] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... openat resumed>) = 3 [pid 5824] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] newfstatat(3, "", [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5824] <... openat resumed>) = 4 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5822] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5826] getdents64(3, [pid 5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5824] newfstatat(4, "", [pid 5822] <... openat resumed>) = 3 [pid 5826] <... getdents64 resumed>0x55558e664730 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... umount2 resumed>) = 0 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] unlink("./0/binderfs") = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] getdents64(3, [pid 5824] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] newfstatat(AT_FDCWD, "./0/file0", [pid 5822] newfstatat(3, "", [pid 5826] <... umount2 resumed>) = 0 [pid 5825] <... getdents64 resumed>0x55558e664730 /* 4 entries */, 32768) = 112 [pid 5824] getdents64(4, [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] <... getdents64 resumed>0x55558e66c770 /* 2 entries */, 32768) = 48 [pid 5823] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] getdents64(4, [pid 5823] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] getdents64(3, [pid 5826] newfstatat(AT_FDCWD, "./0/file0", [pid 5825] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5824] <... getdents64 resumed>0x55558e66c770 /* 0 entries */, 32768) = 0 [pid 5823] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5822] <... getdents64 resumed>0x55558e664730 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5824] close(4 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] <... openat resumed>) = 4 [pid 5826] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5826] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] getdents64(4, [pid 5825] unlink("./0/binderfs" [pid 5824] <... close resumed>) = 0 [pid 5823] newfstatat(4, "", [pid 5822] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] rmdir("./0/file0" [pid 5826] <... getdents64 resumed>0x55558e66c770 /* 2 entries */, 32768) = 48 [pid 5825] <... unlink resumed>) = 0 [pid 5823] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] getdents64(4, 0x55558e66c770 /* 0 entries */, 32768) = 0 [pid 5822] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5826] close(4 [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] <... rmdir resumed>) = 0 [pid 5823] getdents64(4, [pid 5822] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] <... close resumed>) = 0 [pid 5823] <... getdents64 resumed>0x55558e66c770 /* 2 entries */, 32768) = 48 [pid 5826] rmdir("./0/file0" [pid 5824] getdents64(3, 0x55558e664730 /* 0 entries */, 32768) = 0 [pid 5823] getdents64(4, [pid 5822] unlink("./0/binderfs" [pid 5824] close(3 [pid 5826] <... rmdir resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5823] <... getdents64 resumed>0x55558e66c770 /* 0 entries */, 32768) = 0 [pid 5822] <... unlink resumed>) = 0 [pid 5826] getdents64(3, [pid 5825] <... umount2 resumed>) = 0 [pid 5824] rmdir("./0" [pid 5823] close(4 [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... getdents64 resumed>0x55558e664730 /* 0 entries */, 32768) = 0 [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] <... close resumed>) = 0 [pid 5826] close(3 [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] <... rmdir resumed>) = 0 [pid 5823] rmdir("./0/file0" [pid 5826] <... close resumed>) = 0 [pid 5825] newfstatat(AT_FDCWD, "./0/file0", [pid 5824] mkdir("./1", 0777 [pid 5823] <... rmdir resumed>) = 0 [pid 5826] rmdir("./0" [pid 5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5822] <... umount2 resumed>) = 0 [pid 5824] <... mkdir resumed>) = 0 [pid 5823] getdents64(3, [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... rmdir resumed>) = 0 [pid 5825] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5824] <... openat resumed>) = 3 [pid 5823] <... getdents64 resumed>0x55558e664730 /* 0 entries */, 32768) = 0 [pid 5822] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] newfstatat(AT_FDCWD, "./0/file0", [pid 5826] mkdir("./1", 0777 [pid 5825] <... openat resumed>) = 4 [pid 5824] ioctl(3, LOOP_CLR_FD [pid 5823] close(3 [pid 5824] <... ioctl resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5822] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5824] close(3 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] newfstatat(4, "", [pid 5822] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5823] rmdir("./0" [pid 5825] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] <... rmdir resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5825] getdents64(4,