./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4244251989 <...> fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 5 [pid 6732] <... futex resumed>) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6729] <... futex resumed>) = 0 [pid 6728] <... mount resumed>) = 0 [pid 5068] newfstatat(5, "", [pid 5061] umount2("./54/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6732] mkdir("./bus", 000 [pid 6731] mkdir("./file1", 000 [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6729] <... futex resumed>) = 0 [pid 6728] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 5068] getdents64(5, [pid 5061] newfstatat(AT_FDCWD, "./54/bus/file0", [pid 6732] <... mkdir resumed>) = 0 [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] unlink(NULL [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... mkdir resumed>) = 0 [pid 6729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6728] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6723] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6732] <... futex resumed>) = 0 [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(5, [pid 5061] unlink("./54/bus/file0" [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] mkdir("./file1", 000 [pid 6731] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... futex resumed>) = 0 [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6726] <... futex resumed>) = 0 [pid 6732] <... mkdir resumed>) = 0 [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... unlink resumed>) = 0 [pid 5068] close(5 [pid 6731] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6728] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6728] chdir("./bus") = 0 [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = 0 [pid 6728] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6732] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5061] getdents64(4, [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] rmdir("./56/file1/index" [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6729] <... futex resumed>) = 0 [pid 5065] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 6732] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6728] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 5065] newfstatat(AT_FDCWD, "./55/bus", [pid 5061] close(4 [pid 6728] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... close resumed>) = 0 [pid 6728] <... open resumed>) = 3 [pid 5065] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5065] umount2("./55/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... futex resumed>) = 0 [pid 6728] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] newfstatat(AT_FDCWD, "./55/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 96.867870][ T6728] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 96.904637][ T6731] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5065] unlink("./55/bus/file0") = 0 [pid 6731] <... mount resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] getdents64(4, [pid 5061] rmdir("./54/bus" [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 6731] <... futex resumed>) = 1 [pid 6726] <... futex resumed>) = 0 [pid 5061] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./54/binderfs" [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4 [pid 5061] <... unlink resumed>) = 0 [pid 6726] <... futex resumed>) = 0 [pid 5061] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 6731] unlink(NULL [pid 5061] newfstatat(AT_FDCWD, "./54/file0", [pid 5068] rmdir("./56/file1" [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6731] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] close(4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./55/bus" [pid 6731] <... futex resumed>) = 1 [pid 6726] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] fcntl(-1, F_SETFL, O_RDONLY [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5065] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6728] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6726] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 4 [pid 6731] chdir("./bus" [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(3 [pid 5065] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5061] newfstatat(4, "", [pid 6731] <... chdir resumed>) = 0 [pid 6728] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./56" [pid 5065] unlink("./55/binderfs" [pid 5061] getdents64(4, [pid 6731] <... futex resumed>) = 1 [pid 6728] <... openat resumed>) = 4 [pid 6726] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 6731] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mkdir("./57", 0777 [pid 5065] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6728] <... futex resumed>) = 0 [pid 6726] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 6731] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6728] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] newfstatat(AT_FDCWD, "./55/file0", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6733 attached [pid 6731] <... open resumed>) = 3 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] close(4 [pid 6733] set_robust_list(0x555555f856a0, 24 [pid 6728] sendfile(4, 4, NULL, 7 [pid 6723] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6733 [pid 5065] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 6733] <... set_robust_list resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] rmdir("./54/file0" [pid 6733] chdir("./57" [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... rmdir resumed>) = 0 [pid 6731] <... futex resumed>) = 1 [pid 6726] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5061] umount2("./54/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6731] fcntl(-1, F_SETFL, O_RDONLY [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6726] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./54/file1", [pid 6733] <... chdir resumed>) = 0 [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(4, "", [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6731] <... futex resumed>) = 0 [pid 6729] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] umount2("./54/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6733] <... prctl resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6729] <... futex resumed>) = 0 [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6733] setpgid(0, 0 [pid 6732] <... mount resumed>) = 0 [pid 6731] <... openat resumed>) = 4 [pid 6729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6726] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] openat(AT_FDCWD, "./54/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6733] <... setpgid resumed>) = 0 [pid 6729] <... mmap resumed>) = 0x7fef41191000 [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... futex resumed>) = 0 [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6733] <... openat resumed>) = 3 [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] <... mprotect resumed>) = 0 [ 96.908344][ T6732] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6726] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5061] newfstatat(4, "", [pid 6731] <... futex resumed>) = 0 [pid 6733] write(3, "1000", 4 [pid 6731] sendfile(4, 4, NULL, 7 [pid 6729] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6726] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6733] <... write resumed>) = 4 [pid 6729] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] rmdir("./55/file0" [pid 6733] close(3 [pid 6729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6726] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(4, [pid 6733] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6735 attached [pid 6733] symlink("/dev/binderfs", "./binderfs" [pid 6729] <... clone3 resumed> => {parent_tid=[6735]}, 88) = 6735 [pid 5065] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6735] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6733] <... symlink resumed>) = 0 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] <... rseq resumed>) = 0 [pid 6735] set_robust_list(0x7fef411b19a0, 24 [pid 5061] umount2("./54/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6735] <... set_robust_list resumed>) = 0 [pid 6729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6735] rt_sigprocmask(SIG_SETMASK, [], [pid 6729] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./55/file1", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] newfstatat(AT_FDCWD, "./54/file1/work", [pid 6735] unlink(NULL [pid 6733] <... futex resumed>) = 0 [pid 6729] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6733] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] openat(AT_FDCWD, "./55/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] <... openat resumed>) = 4 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] newfstatat(4, "", [pid 6733] <... mmap resumed>) = 0x7fef411b2000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6733] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] getdents64(4, [pid 6733] <... mprotect resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6735] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6735] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./54/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6735] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./54/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6732] <... futex resumed>) = 0 [pid 6729] <... futex resumed>) = 1 [pid 5065] newfstatat(AT_FDCWD, "./55/file1/work", [pid 5061] <... openat resumed>) = 5 ./strace-static-x86_64: Process 6736 attached [pid 6732] chdir("./bus" [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] newfstatat(5, "", [pid 6736] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6733] <... clone3 resumed> => {parent_tid=[6736]}, 88) = 6736 [pid 6732] <... chdir resumed>) = 0 [pid 5065] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6736] <... rseq resumed>) = 0 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(5, [pid 6736] set_robust_list(0x7fef411d29a0, 24 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6732] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./55/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 5 [pid 5061] getdents64(5, [pid 6736] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] <... futex resumed>) = 0 [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 5065] newfstatat(5, "", [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] close(5 [pid 6736] mkdir("./file0", 000 [pid 5065] getdents64(5, [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./54/file1/work" [pid 6723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] <... rmdir resumed>) = 0 [pid 6736] <... mkdir resumed>) = 0 [pid 6723] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] umount2("./54/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(AT_FDCWD, "./54/file1/index", [pid 6736] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... mmap resumed>) = 0x7fef41191000 [pid 5065] close(5 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 6723] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./54/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6736] mkdir("./bus", 000 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... mprotect resumed>) = 0 [pid 5065] rmdir("./55/file1/work" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./54/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... openat resumed>) = 5 [pid 6723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6736] <... mkdir resumed>) = 0 [pid 5061] newfstatat(5, "", [pid 6723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(5, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6738 attached [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... open resumed>) = 3 [pid 6723] <... clone3 resumed> => {parent_tid=[6738]}, 88) = 6738 [pid 5065] newfstatat(AT_FDCWD, "./55/file1/index", [pid 5061] getdents64(5, [pid 6738] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6723] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] <... rseq resumed>) = 0 [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6738] set_robust_list(0x7fef411b19a0, 24 [pid 6736] mkdir("./file1", 000 [pid 6733] <... futex resumed>) = 0 [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(5 [pid 6738] <... set_robust_list resumed>) = 0 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6723] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 6738] rt_sigprocmask(SIG_SETMASK, [], [pid 6736] <... mkdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./55/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6723] <... futex resumed>) = 0 [pid 5061] rmdir("./54/file1/index" [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] sendfile(3, 4, NULL, 281474978811911 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6726] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... openat resumed>) = 5 [pid 5061] <... rmdir resumed>) = 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6732] fcntl(-1, F_SETFL, O_RDONLY [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(5, "", [pid 6736] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 6732] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6726] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6736] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] getdents64(5, [pid 6726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef41191000 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] close(4 [pid 6726] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6732] <... futex resumed>) = 1 [pid 6726] <... mprotect resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] getdents64(5, [pid 6729] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 5065] close(5 [pid 6732] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5065] <... close resumed>) = 0 [pid 6726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] rmdir("./55/file1/index" [pid 5061] rmdir("./54/file1" [pid 6732] <... openat resumed>) = 4 [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0}./strace-static-x86_64: Process 6739 attached [pid 5061] getdents64(3, [pid 6726] <... clone3 resumed> => {parent_tid=[6739]}, 88) = 6739 [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6726] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6739] <... rseq resumed>) = 0 [pid 6726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] set_robust_list(0x7fef411b19a0, 24 [pid 6732] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6726] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(3 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 5061] <... close resumed>) = 0 [pid 6739] rt_sigprocmask(SIG_SETMASK, [], [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6726] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6732] sendfile(4, 4, NULL, 7 [pid 6729] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] close(4 [pid 5061] rmdir("./54" [pid 6739] sendfile(3, 4, NULL, 281474978811911 [pid 5065] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5065] rmdir("./55/file1" [pid 5061] mkdir("./55", 0777 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] getdents64(3, 0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] close(3 [pid 6738] <... sendfile resumed>) = 4 [pid 6728] <... sendfile resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./55" [pid 6728] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6740 attached ) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6740 [pid 6740] set_robust_list(0x555555f856a0, 24 [pid 6738] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] exit_group(0 [pid 6738] <... futex resumed>) = ? [pid 6723] <... exit_group resumed>) = ? [pid 6738] +++ exited with 0 +++ [pid 6740] <... set_robust_list resumed>) = 0 [pid 6736] <... mount resumed>) = 0 [pid 5065] mkdir("./56", 0777 [pid 6740] chdir("./55" [pid 5065] <... mkdir resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6742 attached [pid 6740] <... chdir resumed>) = 0 [pid 6728] +++ exited with 0 +++ [pid 6723] +++ exited with 0 +++ [pid 6742] set_robust_list(0x555555f856a0, 24 [pid 6740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6742 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6740] <... prctl resumed>) = 0 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6740] setpgid(0, 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 6742] chdir("./56" [pid 6740] <... setpgid resumed>) = 0 [pid 6736] unlink(NULL [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... restart_syscall resumed>) = 0 [pid 6742] <... chdir resumed>) = 0 [pid 6740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6736] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6733] <... futex resumed>) = 0 [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6740] <... openat resumed>) = 3 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6742] <... prctl resumed>) = 0 [pid 6740] write(3, "1000", 4 [pid 6736] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] setpgid(0, 0 [pid 6740] <... write resumed>) = 4 [pid 6736] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6742] <... setpgid resumed>) = 0 [pid 6740] close(3 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6740] <... close resumed>) = 0 [pid 6736] chdir("./bus" [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6740] symlink("/dev/binderfs", "./binderfs" [pid 6736] <... chdir resumed>) = 0 [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 3 [pid 6740] <... symlink resumed>) = 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 6742] <... openat resumed>) = 3 [pid 6736] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] write(3, "1000", 4 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... open resumed>) = 3 [pid 6733] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6742] <... write resumed>) = 4 [pid 6740] <... futex resumed>) = 0 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] getdents64(3, [pid 6740] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, NULL, 8) = 0 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6742] close(3 [pid 6740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6726] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] umount2("./54/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6742] <... close resumed>) = 0 [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6742] symlink("/dev/binderfs", "./binderfs" [pid 6740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6729] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... mmap resumed>) = 0x7fef411b2000 [pid 6736] fcntl(-1, F_SETFL, O_RDONLY [pid 6735] <... futex resumed>) = 0 [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = 1 [pid 6740] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6736] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] sendfile(3, 4, NULL, 281474978811911 [pid 6733] <... futex resumed>) = 0 [pid 6729] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] <... mprotect resumed>) = 0 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6736] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6736] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... symlink resumed>) = 0 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6744 attached [pid 6742] <... futex resumed>) = 0 [pid 6736] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6744] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6742] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6740] <... clone3 resumed> => {parent_tid=[6744]}, 88) = 6744 [pid 6736] <... openat resumed>) = 4 [pid 6744] <... rseq resumed>) = 0 [pid 6742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] set_robust_list(0x7fef411d29a0, 24 [pid 6742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [ 97.047338][ T6736] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6744] <... set_robust_list resumed>) = 0 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] sendfile(4, 4, NULL, 7 [pid 6733] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] rt_sigprocmask(SIG_SETMASK, [], [pid 6742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6740] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6742] <... mmap resumed>) = 0x7fef411b2000 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6733] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6744] mkdir("./file0", 000 [pid 6742] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... umount2 resumed>) = 0 [pid 6742] <... mprotect resumed>) = 0 [pid 6742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] umount2("./54/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5060] newfstatat(AT_FDCWD, "./54/bus", [pid 6744] <... mkdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6745 attached ) = 1 [pid 6742] <... clone3 resumed> => {parent_tid=[6745]}, 88) = 6745 [pid 6740] <... futex resumed>) = 0 [pid 5060] umount2("./54/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] rt_sigprocmask(SIG_SETMASK, [], [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] <... rseq resumed>) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] <... futex resumed>) = 0 [pid 6745] set_robust_list(0x7fef411d29a0, 24 [pid 6744] mkdir("./bus", 000 [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6745] <... set_robust_list resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6745] rt_sigprocmask(SIG_SETMASK, [], [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 4 [pid 6745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6745] mkdir("./file0", 000 [pid 6744] <... mkdir resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 6745] <... mkdir resumed>) = 0 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 0 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... sendfile resumed>) = 4 [pid 6732] <... sendfile resumed>) = 4 [pid 5060] getdents64(4, [pid 6744] mkdir("./file1", 000 [pid 6740] <... futex resumed>) = 0 [pid 6735] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6745] <... futex resumed>) = 1 [pid 6744] <... mkdir resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 5060] umount2("./54/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] <... futex resumed>) = 1 [pid 6732] <... futex resumed>) = 0 [pid 6729] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6732] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] exit_group(0 [pid 5060] newfstatat(AT_FDCWD, "./54/bus/file0", [pid 6745] mkdir("./bus", 000 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... futex resumed>) = ? [pid 6732] <... futex resumed>) = ? [pid 6729] <... exit_group resumed>) = ? [pid 6745] <... mkdir resumed>) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... futex resumed>) = 0 [pid 6735] +++ exited with 0 +++ [pid 6732] +++ exited with 0 +++ [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] unlink("./54/bus/file0" [pid 6744] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... unlink resumed>) = 0 [pid 6745] <... futex resumed>) = 1 [pid 5060] getdents64(4, [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./54/bus" [pid 6742] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6729] +++ exited with 0 +++ [pid 6733] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6745] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = 1 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6745] mkdir("./file1", 000 [pid 6744] <... mount resumed>) = 0 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6733] <... mmap resumed>) = 0x7fef41191000 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6729, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5060] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] <... mkdir resumed>) = 0 [pid 6733] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] <... futex resumed>) = 1 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... futex resumed>) = 0 [pid 6733] <... mprotect resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] <... futex resumed>) = 1 [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(3, "", [pid 6745] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6748 attached [pid 5062] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] unlink("./54/binderfs" [pid 6748] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6733] <... clone3 resumed> => {parent_tid=[6748]}, 88) = 6748 [pid 6748] <... rseq resumed>) = 0 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... unlink resumed>) = 0 [pid 6748] set_robust_list(0x7fef411b19a0, 24 [pid 6744] unlink(NULL [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6748] <... set_robust_list resumed>) = 0 [pid 6744] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6733] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 0 [pid 6733] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./54/file0", [pid 6748] sendfile(3, 4, NULL, 281474978811911 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... sendfile resumed>) = 4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... futex resumed>) = 0 [pid 6731] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6744] chdir("./bus" [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] <... chdir resumed>) = 0 [pid 6731] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 97.158530][ T6744] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5060] getdents64(4, [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... futex resumed>) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6740] <... futex resumed>) = 0 [pid 6744] <... open resumed>) = 3 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] <... sendfile resumed>) = 4 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6739] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6739] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6745] <... mount resumed>) = 0 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 0 [pid 6726] exit_group(0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6745] <... futex resumed>) = 1 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = ? [pid 6731] <... futex resumed>) = ? [pid 6726] <... exit_group resumed>) = ? [pid 5062] <... umount2 resumed>) = 0 [pid 5060] close(4 [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... futex resumed>) = 0 [pid 6739] +++ exited with 0 +++ [pid 6731] +++ exited with 0 +++ [pid 5062] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... close resumed>) = 0 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] fcntl(-1, F_SETFL, O_RDONLY [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./54/file0" [pid 6745] unlink(NULL [pid 6744] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(AT_FDCWD, "./55/bus", [pid 5060] <... rmdir resumed>) = 0 [pid 6745] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./54/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 0 [pid 6726] +++ exited with 0 +++ [pid 5062] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] <... futex resumed>) = 1 [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6726, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./54/file1", [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6745] chdir("./bus" [pid 6744] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./54/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] <... openat resumed>) = 4 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(4, "", [pid 5060] openat(AT_FDCWD, "./54/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6745] <... chdir resumed>) = 0 [pid 5062] getdents64(4, [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5060] getdents64(4, [pid 5063] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./55/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./54/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] <... futex resumed>) = 1 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] newfstatat(AT_FDCWD, "./55/bus/file0", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5060] newfstatat(AT_FDCWD, "./54/file1/work", [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6740] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(3, "", [pid 5062] unlink("./55/bus/file0" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6745] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6744] sendfile(4, 4, NULL, 7 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./54/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... unlink resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(3, [pid 5062] getdents64(4, [pid 5060] openat(AT_FDCWD, "./54/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6740] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 5 [pid 5063] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 5060] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./55/bus" [pid 5060] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(5, [pid 6745] <... open resumed>) = 3 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... rmdir resumed>) = 0 [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(5 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6745] fcntl(-1, F_SETFL, O_RDONLY [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... close resumed>) = 0 [pid 6745] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] <... umount2 resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] rmdir("./54/file1/work" [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] unlink("./55/binderfs" [pid 6745] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [ 97.209846][ T6745] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5063] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 6745] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... unlink resumed>) = 0 [pid 6745] <... openat resumed>) = 4 [pid 6742] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./54/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(AT_FDCWD, "./56/bus", [pid 6745] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./54/file1/index", [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./55/file0", [pid 6745] sendfile(4, 4, NULL, 7 [pid 6742] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./54/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./54/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... openat resumed>) = 4 [pid 5062] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] newfstatat(4, "", [pid 5060] <... openat resumed>) = 5 [pid 5062] <... openat resumed>) = 4 [pid 5060] newfstatat(5, "", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(5, [pid 5062] getdents64(4, [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] umount2("./56/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 5060] getdents64(5, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(4 [pid 5060] close(5) = 0 [pid 5062] <... close resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./56/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] rmdir("./55/file0" [pid 5060] rmdir("./54/file1/index" [pid 6748] <... sendfile resumed>) = 4 [pid 6736] <... sendfile resumed>) = 4 [pid 5063] unlink("./56/bus/file0" [pid 5062] <... rmdir resumed>) = 0 [pid 6748] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 6748] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6736] <... futex resumed>) = 0 [pid 5063] <... unlink resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 6736] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] exit_group(0 [pid 5062] newfstatat(AT_FDCWD, "./55/file1", [pid 6748] <... futex resumed>) = ? [pid 6736] <... futex resumed>) = ? [pid 6733] <... exit_group resumed>) = ? [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6736] +++ exited with 0 +++ [pid 5063] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] close(4 [pid 5063] close(4 [pid 5060] <... close resumed>) = 0 [pid 5062] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] rmdir("./54/file1" [pid 6748] +++ exited with 0 +++ [pid 6740] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6733] +++ exited with 0 +++ [pid 5063] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6740] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5060] getdents64(3, [pid 5062] openat(AT_FDCWD, "./55/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6740] <... mmap resumed>) = 0x7fef41191000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5063] rmdir("./56/bus" [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6740] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5063] <... rmdir resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5060] close(3 [pid 6740] <... mprotect resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5060] <... close resumed>) = 0 [pid 6740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] rmdir("./54" [pid 6740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 6740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6752 attached [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6752] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6740] <... clone3 resumed> => {parent_tid=[6752]}, 88) = 6752 [pid 5068] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6752] <... rseq resumed>) = 0 [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... openat resumed>) = 3 [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] mkdir("./55", 0777 [pid 6752] set_robust_list(0x7fef411b19a0, 24 [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6752] <... set_robust_list resumed>) = 0 [pid 6752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6752] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] newfstatat(3, "", [pid 5063] unlink("./56/binderfs" [pid 5062] newfstatat(AT_FDCWD, "./55/file1/work", [pid 6742] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6740] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 5063] <... unlink resumed>) = 0 [pid 5062] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... mkdir resumed>) = 0 [pid 6752] sendfile(3, 4, NULL, 281474978811911 [pid 6742] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6742] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./55/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] newfstatat(AT_FDCWD, "./56/file0", [pid 5062] <... openat resumed>) = 5 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6742] <... mprotect resumed>) = 0 [pid 5063] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6754 attached ) = 4 [pid 5062] getdents64(5, [pid 6754] set_robust_list(0x555555f856a0, 24 [pid 6742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] newfstatat(4, "", [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6754] <... set_robust_list resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6754 [pid 6754] chdir("./55" [pid 6742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(5, ./strace-static-x86_64: Process 6755 attached [pid 5063] getdents64(4, [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6755] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053) = 0 [pid 6755] set_robust_list(0x7fef411b19a0, 24) = 0 [pid 6755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6755] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... chdir resumed>) = 0 [pid 6752] <... sendfile resumed>) = 4 [pid 6744] <... sendfile resumed>) = 4 [pid 6742] <... clone3 resumed> => {parent_tid=[6755]}, 88) = 6755 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] close(5 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6752] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] getdents64(4, [pid 5062] <... close resumed>) = 0 [pid 6754] <... prctl resumed>) = 0 [pid 6752] <... futex resumed>) = 1 [pid 6744] <... futex resumed>) = 0 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] rmdir("./55/file1/work" [pid 6754] setpgid(0, 0 [pid 6752] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] exit_group(0 [pid 5063] close(4 [pid 5062] <... rmdir resumed>) = 0 [pid 6755] <... futex resumed>) = 0 [pid 6754] <... setpgid resumed>) = 0 [pid 6752] <... futex resumed>) = ? [pid 6744] <... futex resumed>) = ? [pid 6742] <... futex resumed>) = 1 [pid 6740] <... exit_group resumed>) = ? [pid 5063] <... close resumed>) = 0 [pid 6755] sendfile(3, 4, NULL, 281474978811911 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6752] +++ exited with 0 +++ [pid 6744] +++ exited with 0 +++ [pid 6742] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] <... openat resumed>) = 3 [pid 6740] +++ exited with 0 +++ [pid 5063] rmdir("./56/file0" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6754] write(3, "1000", 4 [pid 5063] <... rmdir resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./55/file1/index", [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6740, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6754] <... write resumed>) = 4 [pid 5061] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] close(3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6754] <... close resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6754] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./56/file1", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./55/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./57/bus", [pid 5063] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] <... symlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... openat resumed>) = 5 [pid 5061] <... openat resumed>) = 3 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] newfstatat(5, "", [pid 5061] newfstatat(3, "", [pid 6754] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... openat resumed>) = 4 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6754] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] getdents64(3, [pid 6754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] newfstatat(4, "", [pid 5062] getdents64(5, [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5068] newfstatat(4, "", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(4, [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5062] getdents64(5, [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] <... mmap resumed>) = 0x7fef411b2000 [pid 6754] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6754] <... mprotect resumed>) = 0 [pid 5068] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(AT_FDCWD, "./56/file1/work", [pid 5062] close(5 [pid 6754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... umount2 resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5061] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 5062] rmdir("./55/file1/index"./strace-static-x86_64: Process 6758 attached [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6758] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6754] <... clone3 resumed> => {parent_tid=[6758]}, 88) = 6758 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./56/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6758] <... rseq resumed>) = 0 [pid 6754] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... openat resumed>) = 5 [pid 5061] newfstatat(AT_FDCWD, "./55/bus", [pid 6758] set_robust_list(0x7fef411d29a0, 24 [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] unlink("./57/bus/file0" [pid 5063] newfstatat(5, "", [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6758] <... set_robust_list resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6758] rt_sigprocmask(SIG_SETMASK, [], [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(5, [pid 5061] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6758] mkdir("./file0", 000 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, [pid 5061] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] getdents64(5, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5063] close(5 [pid 6758] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5063] <... close resumed>) = 0 [pid 5062] close(4 [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 5063] rmdir("./56/file1/work" [pid 5062] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 5062] rmdir("./55/file1" [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] getdents64(4, [pid 6758] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6758] mkdir("./bus", 000 [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5063] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(3, [pid 5061] umount2("./55/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./57/bus" [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6758] <... mkdir resumed>) = 0 [pid 6754] <... futex resumed>) = 0 [pid 5062] close(3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./56/file1/index", [pid 5062] <... close resumed>) = 0 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] rmdir("./55" [pid 5061] newfstatat(AT_FDCWD, "./55/bus/file0", [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6758] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6758] mkdir("./file1", 000 [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] unlink("./55/bus/file0" [pid 6758] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] mkdir("./56", 0777 [pid 6754] <... futex resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./56/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = 5 [pid 5061] getdents64(4, [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5063] newfstatat(5, "", [pid 6758] <... futex resumed>) = 0 [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... mkdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6758] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6754] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] close(4 [pid 5068] unlink("./57/binderfs" [pid 5063] getdents64(5, [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... sendfile resumed>) = 4 [pid 6745] <... sendfile resumed>) = 4 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 6745] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./55/bus"./strace-static-x86_64: Process 6759 attached [pid 6745] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5063] getdents64(5, [pid 5061] <... rmdir resumed>) = 0 [pid 6759] set_robust_list(0x555555f856a0, 24 [pid 6755] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] <... set_robust_list resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6759 [pid 5068] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] close(5 [pid 5068] newfstatat(AT_FDCWD, "./57/file0", [pid 6759] chdir("./56" [pid 6755] <... futex resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5061] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6759] <... chdir resumed>) = 0 [pid 6755] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] exit_group(0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] rmdir("./56/file1/index" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6755] <... futex resumed>) = ? [pid 6745] <... futex resumed>) = ? [pid 6742] <... exit_group resumed>) = ? [pid 5061] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6759] <... prctl resumed>) = 0 [pid 6755] +++ exited with 0 +++ [pid 6745] +++ exited with 0 +++ [pid 6742] +++ exited with 0 +++ [pid 5068] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./55/binderfs") = 0 [pid 5061] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./55/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6759] setpgid(0, 0 [pid 6758] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6742, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5063] getdents64(4, [pid 5061] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6759] <... setpgid resumed>) = 0 [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 5063] close(4 [pid 6758] unlink(NULL [pid 6754] <... futex resumed>) = 0 [pid 6759] <... openat resumed>) = 3 [pid 6758] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5068] newfstatat(4, "", [pid 5063] <... close resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6758] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6758] chdir("./bus" [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6758] <... chdir resumed>) = 0 [pid 5063] rmdir("./56/file1" [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6759] write(3, "1000", 4 [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6759] <... write resumed>) = 4 [pid 6758] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 6759] close(3 [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] <... close resumed>) = 0 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6759] symlink("/dev/binderfs", "./binderfs" [pid 6758] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5063] <... rmdir resumed>) = 0 [pid 5061] getdents64(4, [pid 6759] <... symlink resumed>) = 0 [pid 6758] <... open resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4 [pid 5065] newfstatat(3, "", [pid 6759] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5063] getdents64(3, [pid 5061] getdents64(4, [pid 6759] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] rmdir("./57/file0" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5063] close(3 [pid 5061] close(4 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 6759] <... mmap resumed>) = 0x7fef411b2000 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 5061] rmdir("./55/file0" [pid 6759] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6758] fcntl(-1, F_SETFL, O_RDONLY [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(3, [pid 6758] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] <... mprotect resumed>) = 0 [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 6758] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6758] <... openat resumed>) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5061] <... rmdir resumed>) = 0 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./56" [pid 6758] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6758] sendfile(4, 4, NULL, 7 [pid 6754] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 5061] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6759] <... clone3 resumed> => {parent_tid=[6761]}, 88) = 6761 [pid 5068] newfstatat(AT_FDCWD, "./57/file1", [pid 5063] mkdir("./57", 0777 [pid 5061] newfstatat(AT_FDCWD, "./55/file1", ./strace-static-x86_64: Process 6761 attached [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6761] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6761] <... rseq resumed>) = 0 [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6761] set_robust_list(0x7fef411d29a0, 24 [pid 6759] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6761] <... set_robust_list resumed>) = 0 [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 4 [pid 5061] openat(AT_FDCWD, "./55/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6761] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] newfstatat(4, "", [pid 5061] <... openat resumed>) = 4 [pid 6761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] mkdir("./file0", 000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... mkdir resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 6761] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] getdents64(4, [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5068] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6759] <... futex resumed>) = 0 [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./57/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./55/file1/work", [pid 5068] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6762 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... openat resumed>) = 5 [pid 5061] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(5, [pid 5061] openat(AT_FDCWD, "./55/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... openat resumed>) = 5 ./strace-static-x86_64: Process 6762 attached [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] set_robust_list(0x555555f856a0, 24 [pid 6761] mkdir("./bus", 000 [pid 5068] getdents64(5, [pid 5061] newfstatat(5, "", [pid 6762] <... set_robust_list resumed>) = 0 [pid 6761] <... mkdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(5) = 0 [ 97.444825][ T6758] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5061] getdents64(5, [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./57/file1/work" [pid 6762] chdir("./57" [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6762] <... chdir resumed>) = 0 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6761] mkdir("./file1", 000 [pid 6759] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5061] getdents64(5, [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6762] <... prctl resumed>) = 0 [pid 6761] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(5 [pid 6762] setpgid(0, 0 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./57/file1/index", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 6762] <... setpgid resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(AT_FDCWD, "./56/bus", [pid 6762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./55/file1/work" [pid 6762] <... openat resumed>) = 3 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 5068] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6762] write(3, "1000", 4 [pid 6761] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6762] <... write resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 5 [pid 5068] newfstatat(5, "", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] newfstatat(AT_FDCWD, "./55/file1/index", [pid 5068] getdents64(5, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6762] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] <... close resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6762] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(5 [pid 6762] <... symlink resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5061] openat(AT_FDCWD, "./55/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... mount resumed>) = 0 [pid 6754] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... openat resumed>) = 5 [pid 6762] <... futex resumed>) = 0 [pid 6754] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 6762] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6754] <... futex resumed>) = 0 [pid 6762] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6754] <... mmap resumed>) = 0x7fef41191000 [pid 5068] rmdir("./57/file1/index" [pid 5065] umount2("./56/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(5, "", [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6754] <... mprotect resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./56/bus/file0", [pid 5061] getdents64(5, [pid 6762] <... mmap resumed>) = 0x7fef411b2000 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6762] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] getdents64(4, [pid 5065] unlink("./56/bus/file0" [pid 5061] getdents64(5, [pid 6762] <... mprotect resumed>) = 0 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6764 attached [pid 6762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5065] <... unlink resumed>) = 0 [pid 5061] close(5 [pid 6764] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6761] unlink(NULL [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6754] <... clone3 resumed> => {parent_tid=[6764]}, 88) = 6764 [pid 5068] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 5061] <... close resumed>) = 0 [pid 6764] <... rseq resumed>) = 0 [pid 6762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6761] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6754] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] rmdir("./57/file1" [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] rmdir("./55/file1/index"./strace-static-x86_64: Process 6765 attached [pid 6764] set_robust_list(0x7fef411b19a0, 24 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] close(4 [pid 6765] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6764] <... set_robust_list resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6765] <... rseq resumed>) = 0 [pid 6764] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] <... clone3 resumed> => {parent_tid=[6765]}, 88) = 6765 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5065] <... close resumed>) = 0 [pid 6765] set_robust_list(0x7fef411d29a0, 24 [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] rmdir("./56/bus" [pid 6765] <... set_robust_list resumed>) = 0 [pid 6764] sendfile(3, 4, NULL, 281474978811911 [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] chdir("./bus" [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6754] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(3 [pid 5061] getdents64(4, [pid 6765] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... chdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] <... futex resumed>) = 0 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./57" [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5061] close(4 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] mkdir("./file0", 000 [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6759] <... futex resumed>) = 0 [pid 5065] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mkdir("./58", 0777 [pid 5061] rmdir("./55/file1" [pid 6765] <... mkdir resumed>) = 0 [pid 6761] <... open resumed>) = 3 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... rmdir resumed>) = 0 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... sendfile resumed>) = 4 [pid 6758] <... sendfile resumed>) = 4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5061] getdents64(3, [pid 6765] <... futex resumed>) = 1 [pid 6764] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6758] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6766 attached [pid 6765] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6764] <... futex resumed>) = 1 [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 0 [pid 6754] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6766 [pid 5065] unlink("./56/binderfs" [pid 6766] set_robust_list(0x555555f856a0, 24 [pid 6765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6764] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 6758] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 97.526113][ T6761] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6754] exit_group(0 [pid 5061] close(3 [pid 6766] <... set_robust_list resumed>) = 0 [pid 6765] mkdir("./bus", 000 [pid 6764] <... futex resumed>) = ? [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6761] fcntl(-1, F_SETFL, O_RDONLY [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6758] <... futex resumed>) = ? [pid 6754] <... exit_group resumed>) = ? [pid 5065] <... unlink resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 6766] chdir("./58" [pid 6765] <... mkdir resumed>) = 0 [pid 6764] +++ exited with 0 +++ [pid 6761] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] +++ exited with 0 +++ [pid 6766] <... chdir resumed>) = 0 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] +++ exited with 0 +++ [pid 5065] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] rmdir("./55" [pid 6766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6765] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6766] <... prctl resumed>) = 0 [pid 6765] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./56/file0", [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 6766] setpgid(0, 0 [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... restart_syscall resumed>) = 0 [pid 6766] <... setpgid resumed>) = 0 [pid 6761] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] <... futex resumed>) = 0 [pid 6762] <... futex resumed>) = 1 [pid 5065] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] mkdir("./56", 0777 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6765] mkdir("./file1", 000 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6761] <... openat resumed>) = 4 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6766] <... openat resumed>) = 3 [pid 6765] <... mkdir resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6766] write(3, "1000", 4 [pid 5065] newfstatat(4, "", [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6766] <... write resumed>) = 4 [pid 6765] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6766] close(3 [pid 6765] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 5060] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6766] <... close resumed>) = 0 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5060] <... openat resumed>) = 3 [pid 6766] symlink("/dev/binderfs", "./binderfs" [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 6766] <... symlink resumed>) = 0 [pid 6761] sendfile(4, 4, NULL, 7 [pid 6759] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 5060] newfstatat(3, "", [pid 6762] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(3, ./strace-static-x86_64: Process 6767 attached [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6767 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6767] set_robust_list(0x555555f856a0, 24 [pid 6766] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6766] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5065] rmdir("./56/file0" [pid 5060] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6766] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 5065] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6766] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6766] <... mprotect resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./56/file1", [pid 6767] chdir("./56" [pid 6766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6769 attached [pid 6767] <... chdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6769] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6769] <... rseq resumed>) = 0 [pid 6769] set_robust_list(0x7fef411d29a0, 24 [pid 5065] <... openat resumed>) = 4 [pid 6769] <... set_robust_list resumed>) = 0 [pid 6766] <... clone3 resumed> => {parent_tid=[6769]}, 88) = 6769 [pid 5065] newfstatat(4, "", [pid 6769] rt_sigprocmask(SIG_SETMASK, [], [pid 6767] <... prctl resumed>) = 0 [pid 6766] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6767] setpgid(0, 0 [pid 6766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] <... setpgid resumed>) = 0 [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6766] <... futex resumed>) = 0 [pid 6769] mkdir("./file0", 000 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... mkdir resumed>) = 0 [pid 6767] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./56/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6769] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./56/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 0 [pid 6769] mkdir("./bus", 000 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(5, "", [pid 6769] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(5) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 5065] rmdir("./56/file1/work" [pid 5060] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6769] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] write(3, "1000", 4 [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6769] mkdir("./file1", 000 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./55/bus", [pid 6769] <... mkdir resumed>) = 0 [pid 5065] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./55/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(AT_FDCWD, "./56/file1/index", [pid 5060] newfstatat(4, "", [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 6769] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(4, [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6769] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./56/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6767] <... write resumed>) = 4 [pid 6765] <... mount resumed>) = 0 [pid 5060] umount2("./55/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./55/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./55/bus/file0" [pid 6767] close(3 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... unlink resumed>) = 0 [pid 6767] <... close resumed>) = 0 [pid 6767] symlink("/dev/binderfs", "./binderfs" [pid 6765] <... futex resumed>) = 0 [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] close(4 [pid 6767] <... symlink resumed>) = 0 [pid 6765] unlink(NULL [pid 6762] <... futex resumed>) = 0 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 5 [pid 5060] <... close resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... futex resumed>) = 0 [pid 6767] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6765] chdir("./bus" [pid 6762] <... futex resumed>) = 0 [pid 5065] newfstatat(5, "", [pid 5060] rmdir("./55/bus" [pid 6767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6765] <... chdir resumed>) = 0 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6765] <... futex resumed>) = 0 [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... mmap resumed>) = 0x7fef411b2000 [pid 6765] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6762] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6759] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 5060] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6765] <... open resumed>) = 3 [pid 6767] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] getdents64(5, [pid 5060] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6767] <... mprotect resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] close(5 [pid 5060] unlink("./55/binderfs" [pid 6767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6759] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... close resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6759] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] rmdir("./56/file1/index" [pid 6767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6759] <... mprotect resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5060] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] getdents64(4, [pid 6759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6767] <... clone3 resumed> => {parent_tid=[6770]}, 88) = 6770 [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6770 attached [pid 6767] rt_sigprocmask(SIG_SETMASK, [], [pid 6765] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 5065] close(4 [pid 5060] newfstatat(AT_FDCWD, "./55/file0", [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... clone3 resumed> => {parent_tid=[6771]}, 88) = 6771 [pid 5065] <... close resumed>) = 0 ./strace-static-x86_64: Process 6771 attached [pid 6770] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = 0 [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] rmdir("./56/file1" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6771] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6770] <... rseq resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6765] fcntl(-1, F_SETFL, O_RDONLY [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6771] <... rseq resumed>) = 0 [pid 6770] set_robust_list(0x7fef411d29a0, 24 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(3, [pid 5060] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6771] set_robust_list(0x7fef411b19a0, 24 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6771] <... set_robust_list resumed>) = 0 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], [pid 6765] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 6759] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] close(3 [pid 6771] rt_sigprocmask(SIG_SETMASK, [], [pid 6770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6765] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6770] mkdir("./file0", 000 [pid 6765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] <... futex resumed>) = 0 [pid 5065] rmdir("./56" [pid 5060] <... openat resumed>) = 4 [pid 6771] sendfile(3, 4, NULL, 281474978811911 [pid 6765] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 6770] <... mkdir resumed>) = 0 [pid 6765] <... openat resumed>) = 4 [pid 5065] mkdir("./57", 0777 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... mkdir resumed>) = 0 [pid 5060] getdents64(4, [pid 6770] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6765] <... futex resumed>) = 1 [pid 6762] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6762] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] sendfile(4, 4, NULL, 7 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 6770] mkdir("./bus", 000 [pid 6769] <... mount resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6762] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] close(4 [pid 6766] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... close resumed>) = 0 [pid 6770] <... mkdir resumed>) = 0 [pid 6766] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./55/file0"./strace-static-x86_64: Process 6773 attached [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6773] set_robust_list(0x555555f856a0, 24 [pid 6770] <... futex resumed>) = 1 [ 97.644104][ T6765] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 97.654803][ T6769] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = 0 [pid 6766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6773 [pid 5060] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6773] <... set_robust_list resumed>) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... mmap resumed>) = 0x7fef41191000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6773] chdir("./57" [pid 6770] mkdir("./file1", 000 [pid 6769] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] <... futex resumed>) = 0 [pid 6766] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5060] newfstatat(AT_FDCWD, "./55/file1", [pid 6773] <... chdir resumed>) = 0 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... mprotect resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] umount2("./55/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6773] <... prctl resumed>) = 0 [pid 6770] <... mkdir resumed>) = 0 [pid 6766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6773] setpgid(0, 0 [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6773] <... setpgid resumed>) = 0 [pid 6770] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./55/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6774 attached [pid 6773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... clone3 resumed> => {parent_tid=[6774]}, 88) = 6774 [pid 5060] <... openat resumed>) = 4 [pid 6774] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... futex resumed>) = 0 [pid 6766] rt_sigprocmask(SIG_SETMASK, [], [pid 6774] <... rseq resumed>) = 0 [pid 6773] <... openat resumed>) = 3 [pid 6770] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] newfstatat(4, "", [pid 6773] write(3, "1000", 4 [pid 6766] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6773] <... write resumed>) = 4 [pid 6766] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 6773] close(3 [pid 6766] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6774] set_robust_list(0x7fef411b19a0, 24 [pid 6773] <... close resumed>) = 0 [pid 6774] <... set_robust_list resumed>) = 0 [pid 6773] symlink("/dev/binderfs", "./binderfs" [pid 5060] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6774] rt_sigprocmask(SIG_SETMASK, [], [pid 6773] <... symlink resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6774] unlink(NULL) = -1 EFAULT (Bad address) [pid 6774] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6774] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./55/file1/work", [pid 6773] <... futex resumed>) = 0 [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6773] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6769] <... futex resumed>) = 0 [pid 6766] <... futex resumed>) = 1 [pid 6773] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6769] chdir("./bus" [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./55/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6769] <... chdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./55/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 6773] <... mmap resumed>) = 0x7fef411b2000 [pid 6769] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 5 [pid 6773] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6769] <... open resumed>) = 3 [pid 6766] <... futex resumed>) = 0 [pid 5060] newfstatat(5, "", [pid 6773] <... mprotect resumed>) = 0 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] getdents64(5, [pid 6773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(5, ./strace-static-x86_64: Process 6775 attached [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6775] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6773] <... clone3 resumed> => {parent_tid=[6775]}, 88) = 6775 [pid 6769] fcntl(-1, F_SETFL, O_RDONLY [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(5 [pid 6775] <... rseq resumed>) = 0 [pid 6773] rt_sigprocmask(SIG_SETMASK, [], [pid 6769] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6775] set_robust_list(0x7fef411d29a0, 24 [pid 6773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] rmdir("./55/file1/work" [pid 6775] <... set_robust_list resumed>) = 0 [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = 0 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... rmdir resumed>) = 0 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], [pid 6773] <... futex resumed>) = 0 [pid 6769] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... openat resumed>) = 4 [pid 6766] <... futex resumed>) = 0 [pid 5060] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6775] mkdir("./file0", 000 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6769] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = 0 [pid 6775] <... mkdir resumed>) = 0 [pid 6769] sendfile(4, 4, NULL, 7 [pid 6766] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(AT_FDCWD, "./55/file1/index", [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6775] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = 0 [pid 6766] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./55/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 0 [pid 6775] mkdir("./bus", 000 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6775] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./55/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5060] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(5, [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6775] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = 0 [pid 5060] getdents64(5, [pid 6775] mkdir("./file1", 000 [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] close(5 [pid 6775] <... mkdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./55/file1/index" [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] <... futex resumed>) = 1 [pid 6762] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... futex resumed>) = 0 [pid 6762] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6775] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 5060] getdents64(4, [pid 6775] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... mmap resumed>) = 0x7fef41191000 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6770] <... mount resumed>) = 0 [pid 6767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6762] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6767] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... mprotect resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./55/file1" [pid 6767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... mmap resumed>) = 0x7fef41191000 [pid 6762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... rmdir resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6767] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5060] getdents64(3, [pid 6767] <... mprotect resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6770] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] close(3 [pid 6767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5060] <... close resumed>) = 0 [pid 6767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5060] rmdir("./55"./strace-static-x86_64: Process 6776 attached [pid 6767] <... clone3 resumed> => {parent_tid=[6776]}, 88) = 6776 [pid 5060] <... rmdir resumed>) = 0 [pid 6776] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6767] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] <... clone3 resumed> => {parent_tid=[6777]}, 88) = 6777 [pid 6776] <... rseq resumed>) = 0 [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] set_robust_list(0x7fef411b19a0, 24 [pid 6767] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] <... set_robust_list resumed>) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6762] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], [pid 6767] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 5060] mkdir("./56", 0777 [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... mkdir resumed>) = 0 [pid 6776] unlink(NULL [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6776] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6771] <... sendfile resumed>) = 4 [pid 6761] <... sendfile resumed>) = 4 ./strace-static-x86_64: Process 6777 attached [pid 6776] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6776] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6777] <... rseq resumed>) = 0 [pid 6776] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6779 [pid 6777] set_robust_list(0x7fef411b19a0, 24 [pid 6770] <... futex resumed>) = 0 [pid 6767] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6779 attached [pid 6777] <... set_robust_list resumed>) = 0 [pid 6771] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] chdir("./bus" [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] set_robust_list(0x555555f856a0, 24 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], [pid 6771] <... futex resumed>) = 0 [pid 6770] <... chdir resumed>) = 0 [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6771] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... set_robust_list resumed>) = 0 [pid 6777] sendfile(3, 4, NULL, 281474978811911 [pid 6770] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6779] chdir("./56" [pid 6770] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] exit_group(0 [pid 6771] <... futex resumed>) = ? [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... futex resumed>) = 0 [pid 6766] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6761] <... futex resumed>) = ? [pid 6759] <... exit_group resumed>) = ? [pid 6779] <... chdir resumed>) = 0 [pid 6771] +++ exited with 0 +++ [pid 6766] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] <... futex resumed>) = 1 [pid 6779] <... prctl resumed>) = 0 [pid 6775] <... mount resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6770] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6761] +++ exited with 0 +++ [pid 6759] +++ exited with 0 +++ [pid 6779] setpgid(0, 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6759, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6779] <... setpgid resumed>) = 0 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6775] <... futex resumed>) = 1 [pid 6774] sendfile(3, 4, NULL, 281474978811911 [pid 6773] <... futex resumed>) = 0 [pid 6770] <... open resumed>) = 3 [pid 6779] <... openat resumed>) = 3 [pid 6775] unlink(NULL [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6779] write(3, "1000", 4 [pid 6775] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6773] <... futex resumed>) = 0 [ 97.729028][ T6770] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 97.759364][ T6775] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6779] <... write resumed>) = 4 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6779] close(3 [pid 6775] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... openat resumed>) = 3 [pid 6779] <... close resumed>) = 0 [pid 6775] chdir("./bus" [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 6779] symlink("/dev/binderfs", "./binderfs" [pid 6775] <... chdir resumed>) = 0 [pid 6773] <... futex resumed>) = 0 [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] fcntl(-1, F_SETFL, O_RDONLY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6779] <... symlink resumed>) = 0 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... futex resumed>) = 0 [pid 6770] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] getdents64(3, [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6779] <... futex resumed>) = 0 [pid 6775] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6779] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 0 [pid 6770] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6775] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... futex resumed>) = 0 [pid 6779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6770] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6770] <... openat resumed>) = 4 [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... mmap resumed>) = 0x7fef411b2000 [pid 6770] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6779] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6775] <... open resumed>) = 3 [pid 6767] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... mprotect resumed>) = 0 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] sendfile(4, 4, NULL, 7 [pid 6767] <... futex resumed>) = 0 [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6775] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = 0 [pid 6767] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6775] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 0 [pid 6762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6781 attached [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6781] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6779] <... clone3 resumed> => {parent_tid=[6781]}, 88) = 6781 [pid 6775] fcntl(-1, F_SETFL, O_RDONLY [pid 6781] <... rseq resumed>) = 0 [pid 6779] rt_sigprocmask(SIG_SETMASK, [], [pid 6775] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6781] set_robust_list(0x7fef411d29a0, 24 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... set_robust_list resumed>) = 0 [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = 0 [pid 6781] rt_sigprocmask(SIG_SETMASK, [], [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6775] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6773] <... futex resumed>) = 0 [pid 6781] mkdir("./file0", 000 [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] <... openat resumed>) = 4 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 6775] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = 0 [pid 6781] <... mkdir resumed>) = 0 [pid 6775] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 0 [pid 6766] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] sendfile(4, 4, NULL, 7 [pid 6773] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6781] mkdir("./bus", 000 [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./56/bus", [pid 6779] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6781] <... mkdir resumed>) = 0 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 4 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6781] mkdir("./file1", 000 [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 6777] <... sendfile resumed>) = 4 [pid 6765] <... sendfile resumed>) = 4 [pid 6777] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6777] <... futex resumed>) = 0 [pid 6765] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... mkdir resumed>) = 0 [pid 6777] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] umount2("./56/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6765] <... futex resumed>) = 0 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6762] exit_group(0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... futex resumed>) = ? [pid 6765] <... futex resumed>) = ? [pid 6762] <... exit_group resumed>) = ? [pid 5062] newfstatat(AT_FDCWD, "./56/bus/file0", [pid 6779] <... futex resumed>) = 0 [pid 6777] +++ exited with 0 +++ [pid 6767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6765] +++ exited with 0 +++ [pid 6762] +++ exited with 0 +++ [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6776] <... futex resumed>) = 0 [pid 6767] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] sendfile(3, 4, NULL, 281474978811911 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6762, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./56/bus/file0" [pid 5063] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] <... unlink resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] getdents64(4, [pid 5063] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] getdents64(3, [pid 5062] close(4 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./56/bus" [pid 5063] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 6773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6773] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6773] <... futex resumed>) = 0 [pid 6781] <... mount resumed>) = 0 [pid 6773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... mmap resumed>) = 0x7fef41191000 [pid 5062] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6773] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6773] <... mprotect resumed>) = 0 [pid 5062] unlink("./56/binderfs" [pid 6781] unlink(NULL [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6781] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] <... umount2 resumed>) = 0 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... unlink resumed>) = 0 [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] newfstatat(AT_FDCWD, "./57/bus", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6784 attached [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./56/file0", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6784] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6781] chdir("./bus" [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] <... clone3 resumed> => {parent_tid=[6784]}, 88) = 6784 [pid 5063] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6784] <... rseq resumed>) = 0 [pid 6781] <... chdir resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6784] set_robust_list(0x7fef411b19a0, 24 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6784] <... set_robust_list resumed>) = 0 [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... openat resumed>) = 4 [pid 5062] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6784] rt_sigprocmask(SIG_SETMASK, [], [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 5063] newfstatat(4, "", [pid 5062] <... openat resumed>) = 4 [pid 6784] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] <... open resumed>) = 3 [pid 6773] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] newfstatat(4, "", [pid 6784] sendfile(3, 4, NULL, 281474978811911 [pid 5063] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6773] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 5063] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] getdents64(4, [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6781] fcntl(-1, F_SETFL, O_RDONLY [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] close(4 [pid 6781] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] unlink("./57/bus/file0" [pid 5062] <... close resumed>) = 0 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] rmdir("./56/file0" [pid 6781] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 4 [pid 5063] <... unlink resumed>) = 0 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... sendfile resumed>) = 4 [pid 6769] <... sendfile resumed>) = 4 [pid 6767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] getdents64(4, [pid 5062] <... rmdir resumed>) = 0 [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6774] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] exit_group(0 [pid 6781] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = ? [pid 6769] <... futex resumed>) = ? [pid 6766] <... exit_group resumed>) = ? [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6774] +++ exited with 0 +++ [ 97.890851][ T6781] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6781] sendfile(4, 4, NULL, 7 [pid 6779] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6769] +++ exited with 0 +++ [pid 6766] +++ exited with 0 +++ [pid 5063] close(4 [pid 5062] newfstatat(AT_FDCWD, "./56/file1", [pid 5063] <... close resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6766, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5063] rmdir("./57/bus" [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5062] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5062] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] unlink("./57/binderfs" [pid 5062] newfstatat(4, "", [pid 5068] <... openat resumed>) = 3 [pid 5063] <... unlink resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(3, "", [pid 5063] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5068] getdents64(3, [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] newfstatat(AT_FDCWD, "./57/file0", [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5068] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/file1/work", [pid 5063] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... openat resumed>) = 4 [pid 5062] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(4, [pid 5062] openat(AT_FDCWD, "./56/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] <... openat resumed>) = 5 [pid 5063] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] newfstatat(5, "", [pid 5063] close(4) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] rmdir("./57/file0" [pid 5062] getdents64(5, [pid 6773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... rmdir resumed>) = 0 [pid 5063] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] getdents64(5, [pid 5063] newfstatat(AT_FDCWD, "./57/file1", [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(5) = 0 [pid 5062] rmdir("./56/file1/work" [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... openat resumed>) = 4 [pid 5062] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./58/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] newfstatat(4, "", [pid 5062] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(4, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5062] newfstatat(AT_FDCWD, "./56/file1/index", [pid 5063] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(4, "", [pid 5063] newfstatat(AT_FDCWD, "./57/file1/work", [pid 5062] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5063] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./56/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... openat resumed>) = 5 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... openat resumed>) = 5 [pid 5068] newfstatat(AT_FDCWD, "./58/bus/file0", [pid 5063] newfstatat(5, "", [pid 5062] newfstatat(5, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6779] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] unlink("./58/bus/file0" [pid 5063] getdents64(5, [pid 5062] getdents64(5, [pid 6779] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] getdents64(5, [pid 5062] getdents64(5, [pid 6779] <... mmap resumed>) = 0x7fef41191000 [pid 5068] getdents64(4, [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6779] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] close(5 [pid 6779] <... mprotect resumed>) = 0 [pid 5068] close(4 [pid 5063] <... close resumed>) = 0 [pid 5062] close(5 [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... close resumed>) = 0 [pid 5063] rmdir("./57/file1/work" [pid 5062] <... close resumed>) = 0 [pid 6779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] rmdir("./58/bus" [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] <... rmdir resumed>) = 0 [pid 5062] rmdir("./56/file1/index"./strace-static-x86_64: Process 6787 attached ) = 0 [pid 6779] <... clone3 resumed> => {parent_tid=[6787]}, 88) = 6787 [pid 6779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6779] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 6779] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6779] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6776] <... sendfile resumed>) = 4 [pid 6770] <... sendfile resumed>) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 5063] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 6787] <... rseq resumed>) = 0 [pid 6776] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 6787] set_robust_list(0x7fef411b19a0, 24 [pid 6776] <... futex resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./57/file1/index", [pid 5062] rmdir("./56/file1" [pid 6787] <... set_robust_list resumed>) = 0 [pid 6776] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] exit_group(0 [pid 5068] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6787] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] <... futex resumed>) = ? [pid 6770] <... futex resumed>) = ? [pid 6767] <... exit_group resumed>) = ? [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] +++ exited with 0 +++ [pid 6770] +++ exited with 0 +++ [pid 6767] +++ exited with 0 +++ [pid 5068] unlink("./58/binderfs" [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] sendfile(3, 4, NULL, 281474978811911 [pid 5068] <... unlink resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] getdents64(3, [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6767, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... openat resumed>) = 5 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(5, "", [pid 5062] close(3 [pid 5068] newfstatat(AT_FDCWD, "./58/file0", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] getdents64(5, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] rmdir("./56" [pid 5061] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(5, [pid 5061] newfstatat(3, "", [pid 5068] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] mkdir("./57", 0777 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] close(5 [pid 5062] <... mkdir resumed>) = 0 [pid 5061] getdents64(3, [pid 5068] newfstatat(4, "", [pid 5063] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] rmdir("./57/file1/index" [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5068] getdents64(4, [pid 5061] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5063] <... rmdir resumed>) = 0 [pid 5063] getdents64(4, ./strace-static-x86_64: Process 6791 attached [pid 6784] <... sendfile resumed>) = 4 [pid 6779] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] <... sendfile resumed>) = 4 [pid 5068] getdents64(4, [pid 6784] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] exit_group(0 [pid 6791] set_robust_list(0x555555f856a0, 24 [pid 6775] <... futex resumed>) = ? [pid 6773] <... exit_group resumed>) = ? [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6791 [pid 6784] <... futex resumed>) = ? [pid 6791] <... set_robust_list resumed>) = 0 [pid 6775] +++ exited with 0 +++ [pid 5068] close(4 [pid 6791] chdir("./57" [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./58/file0" [pid 6791] <... chdir resumed>) = 0 [pid 6791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6784] +++ exited with 0 +++ [pid 6773] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5063] close(4 [pid 6791] setpgid(0, 0 [pid 5063] <... close resumed>) = 0 [pid 6791] <... setpgid resumed>) = 0 [pid 5068] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6773, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5063] rmdir("./57/file1" [pid 6791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6791] <... openat resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./58/file1", [pid 5065] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6791] write(3, "1000", 4 [pid 5065] <... openat resumed>) = 3 [pid 5063] <... rmdir resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 6791] <... write resumed>) = 4 [pid 5068] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(3, [pid 6791] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6791] <... close resumed>) = 0 [pid 5065] getdents64(3, [pid 5063] close(3 [pid 6791] symlink("/dev/binderfs", "./binderfs" [pid 5068] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] <... close resumed>) = 0 [pid 6791] <... symlink resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5065] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./57" [pid 5061] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./56/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(4, "", [pid 5063] <... rmdir resumed>) = 0 [pid 6791] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5063] mkdir("./58", 0777 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6791] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] getdents64(4, [pid 6791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6791] <... mmap resumed>) = 0x7fef411b2000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./57/bus", [pid 6791] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6791] <... mprotect resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./58/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... openat resumed>) = 4 [pid 6791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] <... openat resumed>) = 5 [pid 5065] newfstatat(4, "", ./strace-static-x86_64: Process 6793 attached [pid 6793] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6791] <... clone3 resumed> => {parent_tid=[6793]}, 88) = 6793 [pid 5068] newfstatat(5, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6793] <... rseq resumed>) = 0 [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5063] <... mkdir resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6793] set_robust_list(0x7fef411d29a0, 24 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] newfstatat(4, "", [pid 6793] <... set_robust_list resumed>) = 0 [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(5, [pid 6793] rt_sigprocmask(SIG_SETMASK, [], [pid 6791] <... futex resumed>) = 0 [pid 5065] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6794 attached [pid 6793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 6794] set_robust_list(0x555555f856a0, 24 [pid 6793] mkdir("./file0", 000 [pid 5068] getdents64(5, [pid 5065] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6794 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6787] <... sendfile resumed>) = 4 [pid 6781] <... sendfile resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./56/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6794] chdir("./58" [pid 6787] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] exit_group(0 [pid 5068] close(5 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] <... chdir resumed>) = 0 [pid 6787] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./56/bus/file0", [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6787] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6794] <... prctl resumed>) = 0 [pid 5061] unlink("./56/bus/file0" [pid 6794] setpgid(0, 0 [pid 6787] <... futex resumed>) = ? [pid 6781] <... futex resumed>) = ? [pid 6779] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5065] unlink("./57/bus/file0" [pid 5061] <... unlink resumed>) = 0 [pid 6793] <... mkdir resumed>) = 0 [pid 6794] <... setpgid resumed>) = 0 [pid 6787] +++ exited with 0 +++ [pid 5061] getdents64(4, [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6781] +++ exited with 0 +++ [pid 5068] rmdir("./58/file1/work" [pid 5065] <... unlink resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6794] <... openat resumed>) = 3 [pid 5061] close(4) = 0 [pid 5061] rmdir("./56/bus" [pid 6779] +++ exited with 0 +++ [pid 5061] <... rmdir resumed>) = 0 [pid 6794] write(3, "1000", 4 [pid 5068] <... rmdir resumed>) = 0 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(4, [pid 6794] <... write resumed>) = 4 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5068] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6779, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6794] close(3 [pid 6793] mkdir("./bus", 000 [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(4 [pid 5061] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5060] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6794] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./56/binderfs") = 0 [pid 5061] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./56/file0", [pid 6793] <... mkdir resumed>) = 0 [pid 6794] symlink("/dev/binderfs", "./binderfs" [pid 6791] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./58/file1/index", [pid 5065] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(4, [pid 5065] rmdir("./57/bus" [pid 5060] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] close(4) = 0 [pid 5061] rmdir("./56/file0" [pid 6794] <... symlink resumed>) = 0 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6794] <... futex resumed>) = 0 [pid 6793] mkdir("./file1", 000 [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(3, "", [pid 6794] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6791] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 5 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(5, "", [pid 5065] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5061] newfstatat(AT_FDCWD, "./56/file1", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6793] <... mkdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] getdents64(3, [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(5, [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] <... mmap resumed>) = 0x7fef411b2000 [pid 6793] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(5, [pid 5065] unlink("./57/binderfs" [pid 5061] openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6791] <... futex resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] newfstatat(AT_FDCWD, "./57/file0", [pid 5061] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./56/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6794] <... mprotect resumed>) = 0 [pid 5068] close(5 [pid 5065] newfstatat(4, "", [pid 5061] openat(AT_FDCWD, "./56/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... openat resumed>) = 5 [pid 6794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] rmdir("./58/file1/index" [pid 5065] getdents64(4, [pid 5061] newfstatat(5, "", [pid 6794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 6794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] getdents64(4, [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] getdents64(5, ./strace-static-x86_64: Process 6795 attached [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 6794] <... clone3 resumed> => {parent_tid=[6795]}, 88) = 6795 [pid 5068] close(4 [pid 6795] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6794] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6795] <... rseq resumed>) = 0 [pid 5068] rmdir("./58/file1" [pid 5065] rmdir("./57/file0" [pid 6795] set_robust_list(0x7fef411d29a0, 24) = 0 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6793] <... mount resumed>) = 0 [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 1 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 6795] mkdir("./file0", 000 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] unlink(NULL [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6791] <... futex resumed>) = 0 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6793] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5065] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5061] getdents64(5, [pid 6793] chdir("./bus" [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(3 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6795] <... mkdir resumed>) = 0 [pid 6793] <... chdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5061] close(5 [pid 5068] rmdir("./58") = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./59", 0777 [pid 5065] newfstatat(AT_FDCWD, "./57/file1", [pid 5061] rmdir("./56/file1/work" [pid 6795] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 6795] mkdir("./bus", 000 [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6796 attached [pid 6795] <... mkdir resumed>) = 0 [pid 6794] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6796] set_robust_list(0x555555f856a0, 24 [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6796 [pid 5065] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(AT_FDCWD, "./56/file1/index", [pid 5060] newfstatat(AT_FDCWD, "./56/bus", [pid 6796] <... set_robust_list resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = 0 [pid 6796] chdir("./59" [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6796] <... chdir resumed>) = 0 [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... open resumed>) = 3 [pid 5065] <... openat resumed>) = 4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./56/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(4, "", [pid 5061] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6796] <... prctl resumed>) = 0 [pid 6795] mkdir("./file1", 000 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6796] setpgid(0, 0 [pid 6793] fcntl(-1, F_SETFL, O_RDONLY [pid 6795] <... mkdir resumed>) = 0 [pid 6793] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] getdents64(4, [pid 5061] openat(AT_FDCWD, "./56/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6796] <... setpgid resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... openat resumed>) = 5 [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(5, "", [pid 6794] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6796] <... openat resumed>) = 3 [pid 6795] <... futex resumed>) = 1 [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6796] write(3, "1000", 4 [pid 6795] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6794] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./57/file1/work", [pid 5061] getdents64(5, [pid 5060] <... openat resumed>) = 4 [pid 6796] <... write resumed>) = 4 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... openat resumed>) = 4 [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] close(3 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] newfstatat(4, "", [pid 6796] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6796] symlink("/dev/binderfs", "./binderfs" [ 98.170617][ T6793] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5060] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6796] <... symlink resumed>) = 0 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 0 [pid 5065] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(5, [pid 6793] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6791] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... mount resumed>) = 0 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... openat resumed>) = 5 [pid 5061] close(5 [pid 5060] umount2("./56/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(5, "", [pid 5061] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] rmdir("./56/file1/index" [pid 6796] <... futex resumed>) = 0 [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] sendfile(4, 4, NULL, 7 [pid 5065] getdents64(5, [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6796] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5061] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 6796] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6795] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] newfstatat(AT_FDCWD, "./56/bus/file0", [pid 6796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(5, [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6795] unlink(NULL [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6796] <... mmap resumed>) = 0x7fef411b2000 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] close(5 [pid 5061] rmdir("./56/file1" [pid 5060] unlink("./56/bus/file0" [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6795] <... futex resumed>) = 1 [pid 6796] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5060] getdents64(4, [pid 6796] <... mprotect resumed>) = 0 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./57/file1/work" [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6796] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6795] chdir("./bus" [pid 6794] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] getdents64(3, [pid 5060] close(4 [pid 6795] <... chdir resumed>) = 0 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... close resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./56/bus" [pid 6795] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6794] <... futex resumed>) = 0 [pid 6796] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(3./strace-static-x86_64: Process 6799 attached [pid 6795] <... open resumed>) = 3 [pid 5065] newfstatat(AT_FDCWD, "./57/file1/index", [pid 5061] <... close resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6799] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6796] <... clone3 resumed> => {parent_tid=[6799]}, 88) = 6799 [ 98.221578][ T6795] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] rmdir("./56" [pid 6799] <... rseq resumed>) = 0 [pid 6796] rt_sigprocmask(SIG_SETMASK, [], [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5060] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] set_robust_list(0x7fef411d29a0, 24 [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6795] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... set_robust_list resumed>) = 0 [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] fcntl(-1, F_SETFL, O_RDONLY [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] mkdir("./57", 0777 [pid 6799] rt_sigprocmask(SIG_SETMASK, [], [pid 6796] <... futex resumed>) = 0 [pid 6795] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 5 [pid 5060] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] unlink("./56/binderfs" [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6799] mkdir("./file0", 000 [pid 6795] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(5, "", [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6799] <... mkdir resumed>) = 0 [pid 6795] <... openat resumed>) = 4 [pid 6791] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(5, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6795] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] newfstatat(AT_FDCWD, "./56/file0", [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] getdents64(5, ./strace-static-x86_64: Process 6800 attached [pid 6799] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6791] <... mmap resumed>) = 0x7fef41191000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6800] set_robust_list(0x555555f856a0, 24 [pid 6796] <... futex resumed>) = 0 [pid 6795] sendfile(4, 4, NULL, 7 [pid 6791] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6800] <... set_robust_list resumed>) = 0 [pid 6799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... sendfile resumed>) = 4 [pid 6791] <... mprotect resumed>) = 0 [pid 5065] close(5 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6800 [pid 5060] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6800] chdir("./57" [pid 6799] mkdir("./bus", 000 [pid 6793] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... close resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6800] <... chdir resumed>) = 0 [pid 6799] <... mkdir resumed>) = 0 [pid 6793] <... futex resumed>) = 0 [pid 6791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] rmdir("./57/file1/index" [pid 5060] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6793] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... rmdir resumed>) = 0 [pid 6800] <... prctl resumed>) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6802 attached [pid 6800] setpgid(0, 0 [pid 6791] <... clone3 resumed> => {parent_tid=[6802]}, 88) = 6802 [pid 5060] newfstatat(4, "", [pid 6802] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6800] <... setpgid resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6802] <... rseq resumed>) = 0 [pid 6800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6799] mkdir("./file1", 000 [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] getdents64(4, [pid 5060] getdents64(4, [pid 6802] set_robust_list(0x7fef411b19a0, 24 [pid 6800] <... openat resumed>) = 3 [pid 6796] <... futex resumed>) = 0 [pid 6791] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6800] write(3, "1000", 4 [pid 6799] <... mkdir resumed>) = 0 [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6802] rt_sigprocmask(SIG_SETMASK, [], [pid 6800] <... write resumed>) = 4 [pid 5060] getdents64(4, [pid 6802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6800] close(3 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6802] sendfile(3, 4, NULL, 281474978811911 [pid 6800] <... close resumed>) = 0 [pid 6800] symlink("/dev/binderfs", "./binderfs" [pid 5060] close(4 [pid 6802] <... sendfile resumed>) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5060] <... close resumed>) = 0 [pid 6802] <... futex resumed>) = 0 [pid 6800] <... symlink resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... close resumed>) = 0 [pid 5060] rmdir("./56/file0" [pid 6802] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] exit_group(0 [pid 5065] rmdir("./57/file1" [pid 6802] <... futex resumed>) = ? [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = ? [pid 6791] <... exit_group resumed>) = ? [pid 5065] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6802] +++ exited with 0 +++ [pid 6800] <... futex resumed>) = 0 [pid 6799] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] +++ exited with 0 +++ [pid 6791] +++ exited with 0 +++ [pid 6800] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5060] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6791, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5065] getdents64(3, [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5060] newfstatat(AT_FDCWD, "./56/file1", [pid 6800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5062] <... restart_syscall resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6800] <... mmap resumed>) = 0x7fef411b2000 [pid 5065] close(3 [pid 5060] umount2("./56/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6800] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./57" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6800] <... mprotect resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5062] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] mkdir("./58", 0777 [pid 5062] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... openat resumed>) = 4 [pid 6800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5065] <... mkdir resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5060] newfstatat(4, "", [pid 5062] newfstatat(3, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6804 attached [pid 6800] <... clone3 resumed> => {parent_tid=[6804]}, 88) = 6804 [pid 5060] getdents64(4, [pid 6804] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] getdents64(3, [pid 6804] <... rseq resumed>) = 0 [pid 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6804] set_robust_list(0x7fef411d29a0, 24 [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6804] <... set_robust_list resumed>) = 0 [pid 6800] <... futex resumed>) = 0 [pid 6804] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./56/file1/work", [pid 6804] mkdir("./file0", 000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./56/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6804] <... mkdir resumed>) = 0 [pid 6794] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6805 attached [pid 6794] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./56/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6805 [pid 5060] <... openat resumed>) = 5 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 0 [pid 6805] set_robust_list(0x555555f856a0, 24 [pid 5060] newfstatat(5, "", [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6805] <... set_robust_list resumed>) = 0 [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6805] chdir("./58" [pid 6804] <... futex resumed>) = 0 [pid 6800] <... futex resumed>) = 1 [pid 6794] <... mmap resumed>) = 0x7fef41191000 [pid 5060] getdents64(5, [pid 6805] <... chdir resumed>) = 0 [pid 6804] mkdir("./bus", 000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6805] <... prctl resumed>) = 0 [pid 6804] <... mkdir resumed>) = 0 [pid 6794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6805] setpgid(0, 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5060] getdents64(5, [pid 6805] <... setpgid resumed>) = 0 [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6799] <... mount resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6800] <... futex resumed>) = 0 [pid 5060] close(5./strace-static-x86_64: Process 6806 attached [pid 6805] <... openat resumed>) = 3 [pid 6804] mkdir("./file1", 000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6794] <... clone3 resumed> => {parent_tid=[6806]}, 88) = 6806 [pid 5060] <... close resumed>) = 0 [pid 6806] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] <... rseq resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./57/bus", [pid 6806] set_robust_list(0x7fef411b19a0, 24 [pid 6804] <... mkdir resumed>) = 0 [pid 6794] rt_sigprocmask(SIG_SETMASK, [], [pid 6805] write(3, "1000", 4 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] rmdir("./56/file1/work" [pid 6806] <... set_robust_list resumed>) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] rt_sigprocmask(SIG_SETMASK, [], [pid 6805] <... write resumed>) = 4 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] close(3 [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6806] sendfile(3, 4, NULL, 281474978811911 [pid 6805] <... close resumed>) = 0 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] unlink(NULL [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] symlink("/dev/binderfs", "./binderfs" [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] <... futex resumed>) = 0 [pid 6799] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5062] newfstatat(4, "", [pid 5060] newfstatat(AT_FDCWD, "./56/file1/index", [pid 6805] <... symlink resumed>) = 0 [pid 6804] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6799] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 6799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6799] chdir("./bus" [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6799] <... chdir resumed>) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6799] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... open resumed>) = 3 [pid 6796] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./57/bus/file0") = 0 [ 98.350178][ T6799] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5062] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rmdir("./57/bus" [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6799] fcntl(-1, F_SETFL, O_RDONLY [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rmdir resumed>) = 0 [pid 6796] <... futex resumed>) = 0 [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] umount2("./56/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6805] <... futex resumed>) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 5062] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6799] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... openat resumed>) = 4 [pid 6796] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] unlink("./57/binderfs" [pid 6799] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6799] sendfile(4, 4, NULL, 7 [pid 6796] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 6796] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/file0", [pid 6806] <... sendfile resumed>) = 4 [pid 6805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6804] <... mount resumed>) = 0 [pid 6795] <... sendfile resumed>) = 4 [pid 5060] openat(AT_FDCWD, "./56/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6806] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6806] <... futex resumed>) = 1 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 6794] <... futex resumed>) = 0 [pid 5060] <... openat resumed>) = 5 [pid 6806] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] <... mmap resumed>) = 0x7fef411b2000 [pid 6804] unlink(NULL [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] exit_group(0 [pid 5062] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6806] <... futex resumed>) = ? [pid 6805] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6804] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6800] <... futex resumed>) = 0 [pid 6795] <... futex resumed>) = ? [pid 6794] <... exit_group resumed>) = ? [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(5, "", [pid 6806] +++ exited with 0 +++ [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] +++ exited with 0 +++ [pid 5062] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6804] <... futex resumed>) = 0 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] +++ exited with 0 +++ [pid 5062] newfstatat(4, "", [pid 6804] chdir("./bus" [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6800] <... futex resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6794, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6804] <... chdir resumed>) = 0 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 6805] <... mprotect resumed>) = 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6804] <... futex resumed>) = 0 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... restart_syscall resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(5, [pid 6805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 6805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6809 attached [pid 6804] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(5, [pid 6809] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6805] <... clone3 resumed> => {parent_tid=[6809]}, 88) = 6809 [pid 5062] close(4) = 0 [pid 6809] <... rseq resumed>) = 0 [pid 6805] rt_sigprocmask(SIG_SETMASK, [], [pid 6804] <... open resumed>) = 3 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./57/file0" [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6809] set_robust_list(0x7fef411d29a0, 24 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] close(5 [pid 6809] <... set_robust_list resumed>) = 0 [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6809] rt_sigprocmask(SIG_SETMASK, [], [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(3, "", [pid 5060] rmdir("./56/file1/index" [pid 6809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6809] mkdir("./file0", 000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(3, [pid 5062] newfstatat(AT_FDCWD, "./57/file1", [pid 6809] <... mkdir resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6804] fcntl(-1, F_SETFL, O_RDONLY [pid 5060] getdents64(4, [pid 6809] mkdir("./bus", 000 [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6809] <... mkdir resumed>) = 0 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6804] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5060] close(4 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... openat resumed>) = 4 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... close resumed>) = 0 [pid 6809] mkdir("./file1", 000 [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] newfstatat(4, "", [pid 5060] rmdir("./56/file1" [pid 6809] <... mkdir resumed>) = 0 [pid 6804] sendfile(4, 4, NULL, 7 [pid 6800] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [ 98.417342][ T6804] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6800] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5060] <... rmdir resumed>) = 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] getdents64(3, [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6796] <... mmap resumed>) = 0x7fef41191000 [pid 5063] <... umount2 resumed>) = 0 [pid 5062] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5063] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6796] <... mprotect resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./57/file1/work", [pid 5060] close(3 [pid 6809] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6796] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] newfstatat(AT_FDCWD, "./58/bus", [pid 5062] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... close resumed>) = 0 [pid 6796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./56" [pid 5063] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... openat resumed>) = 5 ./strace-static-x86_64: Process 6811 attached [pid 5060] <... rmdir resumed>) = 0 [pid 6796] <... clone3 resumed> => {parent_tid=[6811]}, 88) = 6811 [pid 5063] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] newfstatat(5, "", [pid 6796] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... openat resumed>) = 4 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] getdents64(5, [pid 6796] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(4, "", [pid 6796] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6796] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, [pid 5062] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] close(5) = 0 [pid 5063] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./57/file1/work") = 0 [pid 5063] newfstatat(AT_FDCWD, "./58/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] unlink("./58/bus/file0" [pid 5062] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/file1/index", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... unlink resumed>) = 0 [pid 5063] getdents64(4, [pid 5062] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] close(4 [pid 6811] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6809] <... mount resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] mkdir("./57", 0777 [pid 6811] <... rseq resumed>) = 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... close resumed>) = 0 [pid 6811] set_robust_list(0x7fef411b19a0, 24 [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 5060] <... mkdir resumed>) = 0 [pid 6811] <... set_robust_list resumed>) = 0 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./58/bus" [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6811] rt_sigprocmask(SIG_SETMASK, [], [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 5062] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] unlink(NULL [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(5, [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6812 ./strace-static-x86_64: Process 6812 attached [pid 6811] sendfile(3, 4, NULL, 281474978811911 [pid 6809] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6799] <... sendfile resumed>) = 4 [pid 5063] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6812] set_robust_list(0x555555f856a0, 24 [pid 6811] <... sendfile resumed>) = 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6799] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] getdents64(5, [pid 6812] <... set_robust_list resumed>) = 0 [pid 6811] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6800] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = 0 [pid 6812] chdir("./57" [pid 6811] <... futex resumed>) = 1 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 0 [pid 6799] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6812] <... chdir resumed>) = 0 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6796] exit_group(0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] close(5 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6809] chdir("./bus" [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... mmap resumed>) = 0x7fef41191000 [pid 6799] <... futex resumed>) = ? [pid 6796] <... exit_group resumed>) = ? [pid 5063] unlink("./58/binderfs" [pid 5062] <... close resumed>) = 0 [pid 6812] <... prctl resumed>) = 0 [pid 6811] +++ exited with 0 +++ [pid 6809] <... chdir resumed>) = 0 [pid 6800] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6799] +++ exited with 0 +++ [pid 5063] <... unlink resumed>) = 0 [pid 6812] setpgid(0, 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... mprotect resumed>) = 0 [pid 5062] rmdir("./57/file1/index" [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6812] <... setpgid resumed>) = 0 [pid 6809] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6796] +++ exited with 0 +++ [pid 5063] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6805] <... futex resumed>) = 0 [pid 6800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6796, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6814 attached [pid 6812] <... openat resumed>) = 3 [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6814] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6812] write(3, "1000", 4 [pid 6800] <... clone3 resumed> => {parent_tid=[6814]}, 88) = 6814 [pid 5063] newfstatat(AT_FDCWD, "./58/file0", [pid 5062] getdents64(4, [pid 6814] <... rseq resumed>) = 0 [pid 6812] <... write resumed>) = 4 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6814] set_robust_list(0x7fef411b19a0, 24 [pid 6812] close(3 [pid 6809] <... open resumed>) = 3 [pid 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6812] <... close resumed>) = 0 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 6814] rt_sigprocmask(SIG_SETMASK, [], [pid 6812] symlink("/dev/binderfs", "./binderfs" [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 5068] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] <... symlink resumed>) = 0 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./57/file1" [pid 6814] sendfile(3, 4, NULL, 281474978811911 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6800] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... openat resumed>) = 4 [pid 5062] <... rmdir resumed>) = 0 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] fcntl(-1, F_SETFL, O_RDONLY [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 5063] newfstatat(4, "", [pid 6812] <... futex resumed>) = 0 [pid 6809] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] newfstatat(3, "", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 6812] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6812] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 6812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] close(3 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 5068] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] getdents64(4, [pid 5062] <... close resumed>) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6809] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] rmdir("./57" [pid 6812] <... mmap resumed>) = 0x7fef411b2000 [pid 6809] <... openat resumed>) = 4 [pid 5063] close(4 [pid 6812] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... mprotect resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6809] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./58/file0" [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [ 98.507884][ T6809] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6809] sendfile(4, 4, NULL, 7 [pid 6805] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] mkdir("./58", 0777 [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0}./strace-static-x86_64: Process 6815 attached [pid 5063] <... rmdir resumed>) = 0 [pid 6815] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6812] <... clone3 resumed> => {parent_tid=[6815]}, 88) = 6815 [pid 5063] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... mkdir resumed>) = 0 [pid 6815] <... rseq resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6815] set_robust_list(0x7fef411d29a0, 24 [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] <... set_robust_list resumed>) = 0 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6815] rt_sigprocmask(SIG_SETMASK, [], [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] <... futex resumed>) = 0 [pid 6815] mkdir("./file0", 000 [pid 5063] newfstatat(AT_FDCWD, "./58/file1", [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6815] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5063] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 4 [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6816 [pid 5068] newfstatat(AT_FDCWD, "./59/bus", [pid 5063] newfstatat(4, "", [pid 6815] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6816 attached [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] getdents64(4, [pid 6816] set_robust_list(0x555555f856a0, 24 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6816] <... set_robust_list resumed>) = 0 [pid 6815] mkdir("./bus", 000 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] chdir("./58" [pid 5068] <... openat resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6815] <... mkdir resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5063] newfstatat(AT_FDCWD, "./58/file1/work", [pid 6816] <... chdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] getdents64(4, [pid 5063] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] <... prctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] setpgid(0, 0 [pid 5068] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6816] <... setpgid resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... openat resumed>) = 5 [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] newfstatat(AT_FDCWD, "./59/bus/file0", [pid 5063] newfstatat(5, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6816] <... openat resumed>) = 3 [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./59/bus/file0" [pid 5063] getdents64(5, [pid 6815] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6816] write(3, "1000", 4 [pid 6815] mkdir("./file1", 000 [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5063] getdents64(5, [pid 6816] <... write resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6816] close(3 [pid 5068] close(4 [pid 5063] close(5 [pid 6812] <... futex resumed>) = 0 [pid 6816] <... close resumed>) = 0 [pid 6815] <... mkdir resumed>) = 0 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 6816] symlink("/dev/binderfs", "./binderfs" [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] rmdir("./59/bus" [pid 5063] rmdir("./58/file1/work" [pid 6816] <... symlink resumed>) = 0 [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 0 [pid 6815] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5063] newfstatat(AT_FDCWD, "./58/file1/index", [pid 6816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] unlink("./59/binderfs" [pid 5063] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6816] <... mmap resumed>) = 0x7fef411b2000 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... openat resumed>) = 5 [pid 6816] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5063] newfstatat(5, "", [pid 6816] <... mprotect resumed>) = 0 [pid 5068] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] newfstatat(AT_FDCWD, "./59/file0", [pid 5063] getdents64(5, [pid 6816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6818 attached [pid 5068] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] close(5 [pid 6818] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6816] <... clone3 resumed> => {parent_tid=[6818]}, 88) = 6818 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... close resumed>) = 0 [pid 6818] <... rseq resumed>) = 0 [pid 6816] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] rmdir("./58/file1/index" [pid 6818] set_robust_list(0x7fef411d29a0, 24 [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] <... rmdir resumed>) = 0 [pid 6818] <... set_robust_list resumed>) = 0 [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] rt_sigprocmask(SIG_SETMASK, [], [pid 6816] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5063] getdents64(4, [pid 6818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6818] mkdir("./file0", 000 [pid 5068] getdents64(4, [pid 6818] <... mkdir resumed>) = 0 [pid 5063] close(4 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 6805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... close resumed>) = 0 [pid 6805] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6805] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5063] rmdir("./58/file1" [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... close resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... mmap resumed>) = 0x7fef41191000 [pid 5068] rmdir("./59/file0" [pid 6805] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6818] <... futex resumed>) = 1 [pid 6805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] <... futex resumed>) = 0 [pid 6805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] getdents64(3, ./strace-static-x86_64: Process 6819 attached [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6819] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6818] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 1 [pid 6805] <... clone3 resumed> => {parent_tid=[6819]}, 88) = 6819 [pid 5063] close(3 [pid 6819] <... rseq resumed>) = 0 [pid 6818] mkdir("./bus", 000 [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... close resumed>) = 0 [pid 6819] set_robust_list(0x7fef411b19a0, 24 [pid 6818] <... mkdir resumed>) = 0 [pid 6805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] rmdir("./58" [pid 6819] <... set_robust_list resumed>) = 0 [pid 6805] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] rt_sigprocmask(SIG_SETMASK, [], [pid 6805] <... futex resumed>) = 0 [pid 6819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./59/file1", [pid 6819] sendfile(3, 4, NULL, 281474978811911 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 5068] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] mkdir("./file1", 000 [pid 6816] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] mkdir("./59", 0777 [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 4 [pid 6818] <... mkdir resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5063] <... mkdir resumed>) = 0 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... futex resumed>) = 0 [pid 5068] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./59/file1/work", [pid 6815] <... mount resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6820 attached [pid 6820] set_robust_list(0x555555f856a0, 24) = 0 [pid 6820] chdir("./59") = 0 [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6820] setpgid(0, 0) = 0 [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6815] <... futex resumed>) = 0 [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] unlink(NULL [pid 6812] <... futex resumed>) = 0 [pid 6815] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] chdir("./bus" [pid 6820] <... openat resumed>) = 3 [pid 6815] <... chdir resumed>) = 0 [pid 6812] <... futex resumed>) = 0 [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 1 [pid 6815] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6820] write(3, "1000", 4 [pid 5068] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6820 [pid 6820] <... write resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6820] close(3 [pid 5068] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6820] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 5 [pid 6820] symlink("/dev/binderfs", "./binderfs" [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(5, "", [pid 6820] <... symlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6815] <... open resumed>) = 3 [pid 6814] <... sendfile resumed>) = 4 [pid 6804] <... sendfile resumed>) = 4 [pid 5068] getdents64(5, [pid 6804] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... futex resumed>) = 0 [pid 6804] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(5 [pid 6820] <... futex resumed>) = 0 [pid 6814] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6820] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6814] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6800] exit_group(0 [pid 5068] rmdir("./59/file1/work" [pid 6820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6815] <... futex resumed>) = 1 [pid 6814] <... futex resumed>) = ? [pid 6812] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = ? [pid 6800] <... exit_group resumed>) = ? [pid 5068] <... rmdir resumed>) = 0 [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] +++ exited with 0 +++ [pid 5068] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6820] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5068] newfstatat(AT_FDCWD, "./59/file1/index", [pid 6812] <... futex resumed>) = 0 [pid 6820] <... mprotect resumed>) = 0 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6815] fcntl(-1, F_SETFL, O_RDONLY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6822 attached [pid 6815] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6804] +++ exited with 0 +++ [pid 6800] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... clone3 resumed> => {parent_tid=[6822]}, 88) = 6822 [pid 6815] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 5 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6800, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6822] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(5, "", [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 6822] <... rseq resumed>) = 0 [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6818] <... mount resumed>) = 0 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 6822] set_robust_list(0x7fef411d29a0, 24 [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(5, [pid 6822] <... set_robust_list resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] rt_sigprocmask(SIG_SETMASK, [], [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(5, [pid 5061] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6822] mkdir("./file0", 000 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6822] <... mkdir resumed>) = 0 [pid 6818] unlink(NULL [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 5068] close(5 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] sendfile(4, 4, NULL, 7 [pid 6812] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 5061] newfstatat(3, "", [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6822] mkdir("./bus", 000 [ 98.614765][ T6815] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 98.645517][ T6818] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... futex resumed>) = 0 [pid 5068] rmdir("./59/file1/index" [pid 5061] getdents64(3, [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] <... mkdir resumed>) = 0 [pid 6818] chdir("./bus" [pid 5068] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6818] <... chdir resumed>) = 0 [pid 5061] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6818] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] mkdir("./file1", 000 [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... open resumed>) = 3 [pid 6816] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 6822] <... mkdir resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5061] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rmdir("./59/file1" [pid 5061] newfstatat(AT_FDCWD, "./57/bus", [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = 0 [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6822] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6820] <... futex resumed>) = 0 [pid 6818] fcntl(-1, F_SETFL, O_RDONLY [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5061] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(3) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5068] rmdir("./59" [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5068] <... rmdir resumed>) = 0 [pid 5061] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6822] <... mount resumed>) = 0 [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... sendfile resumed>) = 4 [pid 6818] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6809] <... sendfile resumed>) = 4 [pid 5068] mkdir("./60", 0777 [pid 5061] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 6819] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6812] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... mkdir resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6819] <... futex resumed>) = 0 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... futex resumed>) = 0 [pid 6812] <... mmap resumed>) = 0x7fef41191000 [pid 6809] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] exit_group(0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6812] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6809] <... futex resumed>) = ? [pid 6822] unlink(NULL [pid 6805] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] unlink("./57/bus/file0" [pid 6820] <... futex resumed>) = 0 [pid 6818] <... openat resumed>) = 4 [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6816] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6818] sendfile(4, 4, NULL, 7 [pid 6816] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... mprotect resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] chdir("./bus") = 0 [pid 6819] +++ exited with 0 +++ [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6809] +++ exited with 0 +++ [pid 6805] +++ exited with 0 +++ [pid 5061] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6825 attached [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] set_robust_list(0x555555f856a0, 24 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6805, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6825] <... set_robust_list resumed>) = 0 [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6825] chdir("./60" [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6825] <... chdir resumed>) = 0 [pid 6822] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6812] <... clone3 resumed> => {parent_tid=[6826]}, 88) = 6826 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6825 [pid 5061] getdents64(4, ./strace-static-x86_64: Process 6826 attached [pid 6825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6826] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6825] <... prctl resumed>) = 0 [pid 6822] <... open resumed>) = 3 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] close(4 [pid 6826] <... rseq resumed>) = 0 [pid 6825] setpgid(0, 0 [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 6826] set_robust_list(0x7fef411b19a0, 24 [pid 6825] <... setpgid resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] rmdir("./57/bus" [pid 6826] <... set_robust_list resumed>) = 0 [pid 6825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6826] rt_sigprocmask(SIG_SETMASK, [], [pid 6825] <... openat resumed>) = 3 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] write(3, "1000", 4 [pid 6822] fcntl(-1, F_SETFL, O_RDONLY [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6826] sendfile(3, 4, NULL, 281474978811911 [pid 6825] <... write resumed>) = 4 [pid 6822] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] newfstatat(3, "", [pid 6825] close(3 [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 6825] <... close resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6825] symlink("/dev/binderfs", "./binderfs" [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [ 98.726737][ T6822] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5065] getdents64(3, [pid 5061] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] <... symlink resumed>) = 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6822] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 4 [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] sendfile(4, 4, NULL, 7 [pid 6820] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] <... futex resumed>) = 0 [pid 5061] unlink("./57/binderfs" [pid 6825] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, NULL, 8) = 0 [pid 6825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 5061] <... unlink resumed>) = 0 [pid 6825] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5061] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./57/file0", [pid 6825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6828 attached ) = -1 EINVAL (Invalid argument) [pid 6828] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6825] <... clone3 resumed> => {parent_tid=[6828]}, 88) = 6828 [pid 5061] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6828] <... rseq resumed>) = 0 [pid 6825] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] set_robust_list(0x7fef411d29a0, 24 [pid 6825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(4, "", [pid 6828] rt_sigprocmask(SIG_SETMASK, [], [pid 6825] <... futex resumed>) = 0 [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6828] mkdir("./file0", 000 [pid 5061] getdents64(4, [pid 6816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6815] <... sendfile resumed>) = 4 [pid 6816] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6815] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] <... mmap resumed>) = 0x7fef41191000 [pid 6816] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6828] <... mkdir resumed>) = 0 [pid 6826] <... sendfile resumed>) = 4 [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6826] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] exit_group(0 [pid 5061] getdents64(4, [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... exit_group resumed>) = ? [pid 6828] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = ? [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] <... futex resumed>) = ? [pid 6815] +++ exited with 0 +++ [pid 5061] close(4) = 0 [pid 5061] rmdir("./57/file0" [pid 6825] <... futex resumed>) = 0 [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... mprotect resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... rmdir resumed>) = 0 [pid 6828] <... futex resumed>) = 0 [pid 6828] mkdir("./bus", 000 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} => {parent_tid=[6830]}, 88) = 6830 [pid 5061] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6830 attached [pid 6828] <... mkdir resumed>) = 0 [pid 6826] +++ exited with 0 +++ [pid 6820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] +++ exited with 0 +++ [pid 5065] <... umount2 resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6830] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6820] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... rseq resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 5065] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(AT_FDCWD, "./57/file1", [pid 6830] set_robust_list(0x7fef411b19a0, 24 [pid 6828] <... futex resumed>) = 1 [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6816] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6830] <... set_robust_list resumed>) = 0 [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] <... futex resumed>) = 0 [pid 6820] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6830] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6816] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./58/bus", [pid 6830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6828] mkdir("./file1", 000 [pid 6825] <... futex resumed>) = 0 [pid 6820] <... mprotect resumed>) = 0 [pid 6816] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6830] sendfile(3, 4, NULL, 281474978811911 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... mkdir resumed>) = 0 [pid 6820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6832 attached ) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6832] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... clone3 resumed> => {parent_tid=[6832]}, 88) = 6832 [pid 5065] newfstatat(4, "", [pid 5061] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6832] <... rseq resumed>) = 0 [pid 6828] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6832] set_robust_list(0x7fef411b19a0, 24 [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] getdents64(4, [pid 5060] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6832] <... set_robust_list resumed>) = 0 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = 0 [pid 6820] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] newfstatat(4, "", [pid 5060] <... openat resumed>) = 3 [pid 6832] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = 0 [pid 5065] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] newfstatat(3, "", [pid 6832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6832] sendfile(3, 4, NULL, 281474978811911 [pid 5065] newfstatat(AT_FDCWD, "./58/bus/file0", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] getdents64(3, [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5065] unlink("./58/bus/file0" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./57/file1/work", [pid 5065] <... unlink resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(4, [pid 5061] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(5, "", [pid 5065] close(4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./58/bus" [pid 5061] getdents64(5, [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./58/binderfs") = 0 [pid 5065] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./58/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(5, [pid 5065] getdents64(4, [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] close(5 [pid 5065] close(4) = 0 [pid 5061] <... close resumed>) = 0 [pid 5065] rmdir("./58/file0" [pid 6828] <... mount resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] rmdir("./57/file1/work" [pid 5060] <... umount2 resumed>) = 0 [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 6828] <... futex resumed>) = 1 [pid 5060] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./57/bus", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6825] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./57/file1/index", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./57/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] <... futex resumed>) = 1 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./58/file1", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6828] unlink(NULL [pid 5065] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6830] <... sendfile resumed>) = 4 [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... sendfile resumed>) = 4 [pid 6816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... openat resumed>) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6830] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6818] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] exit_group(0 [pid 5065] newfstatat(4, "", [pid 5061] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6830] <... futex resumed>) = ? [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = ? [pid 6816] <... exit_group resumed>) = ? [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6830] +++ exited with 0 +++ [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = 0 [pid 6818] +++ exited with 0 +++ [pid 6816] +++ exited with 0 +++ [pid 5065] getdents64(4, [pid 5061] <... openat resumed>) = 5 [pid 6828] chdir("./bus" [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] newfstatat(4, "", [pid 6828] <... chdir resumed>) = 0 [pid 5065] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6816, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5061] newfstatat(5, "", [pid 6828] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./58/file1/work", [pid 5062] <... restart_syscall resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = 0 [pid 6820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(5, [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5065] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5062] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./57/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(5, [pid 5065] newfstatat(5, "", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./57/bus/file0", [pid 5065] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... openat resumed>) = 3 [pid 5061] close(5 [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] unlink("./57/bus/file0" [pid 5065] getdents64(5, [pid 5061] rmdir("./57/file1/index" [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] close(5 [pid 5060] <... unlink resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./58/file1/work" [pid 5061] <... rmdir resumed>) = 0 [pid 5061] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 6828] <... open resumed>) = 3 [pid 5062] newfstatat(3, "", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(4, [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(4 [pid 6828] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... close resumed>) = 0 [pid 6828] fcntl(-1, F_SETFL, O_RDONLY [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./58/file1/index", [pid 5061] rmdir("./57/file1" [pid 5060] close(4 [pid 6828] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] <... futex resumed>) = 0 [pid 5062] getdents64(3, [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5060] <... close resumed>) = 0 [pid 6828] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 98.880809][ T6828] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(3, [pid 5060] rmdir("./57/bus" [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6828] <... openat resumed>) = 4 [pid 5065] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] close(3 [pid 5065] <... openat resumed>) = 5 [pid 5065] newfstatat(5, "", [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... close resumed>) = 0 [pid 6828] sendfile(4, 4, NULL, 7 [pid 6825] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./57" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6825] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 5060] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6825] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] unlink("./57/binderfs" [pid 5065] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] mkdir("./58", 0777 [pid 5060] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(5) = 0 [pid 5065] rmdir("./58/file1/index" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/bus", [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] newfstatat(AT_FDCWD, "./57/file0", [pid 6832] <... sendfile resumed>) = 4 [pid 6832] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6822] <... sendfile resumed>) = 4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6832] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... rmdir resumed>) = 0 [pid 5065] getdents64(4, ./strace-static-x86_64: Process 6836 attached [pid 6822] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6836] set_robust_list(0x555555f856a0, 24 [pid 6822] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6836 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6836] <... set_robust_list resumed>) = 0 [pid 6822] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] exit_group(0 [pid 5065] close(4 [pid 5060] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6836] chdir("./58" [pid 6832] <... futex resumed>) = ? [pid 6822] <... futex resumed>) = ? [pid 6820] <... exit_group resumed>) = ? [pid 5065] <... close resumed>) = 0 [pid 6836] <... chdir resumed>) = 0 [pid 6832] +++ exited with 0 +++ [pid 5065] rmdir("./58/file1" [pid 5062] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... openat resumed>) = 4 [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... rmdir resumed>) = 0 [pid 6836] <... prctl resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 6836] setpgid(0, 0 [pid 6822] +++ exited with 0 +++ [pid 6820] +++ exited with 0 +++ [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6836] <... setpgid resumed>) = 0 [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] getdents64(3, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6820, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5062] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6836] <... openat resumed>) = 3 [pid 6825] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(3 [pid 5063] <... restart_syscall resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5060] getdents64(4, [pid 6825] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 6825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] rmdir("./58" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6836] write(3, "1000", 4 [pid 6825] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... rmdir resumed>) = 0 [pid 5063] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6836] <... write resumed>) = 4 [pid 6825] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] mkdir("./59", 0777 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6836] close(3 [pid 6825] <... mprotect resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5062] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] close(4 [pid 6836] <... close resumed>) = 0 [pid 6825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6836] symlink("/dev/binderfs", "./binderfs" [pid 6825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5062] newfstatat(AT_FDCWD, "./58/bus/file0", [pid 5060] <... close resumed>) = 0 [pid 6825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6839 attached [pid 6836] <... symlink resumed>) = 0 [pid 6825] <... clone3 resumed> => {parent_tid=[6839]}, 88) = 6839 [pid 5063] newfstatat(3, "", [pid 5062] unlink("./58/bus/file0" [pid 5060] rmdir("./57/file0"./strace-static-x86_64: Process 6838 attached [pid 6839] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 6839] <... rseq resumed>) = 0 [pid 6838] set_robust_list(0x555555f856a0, 24 [pid 6825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6838 [pid 5062] getdents64(4, [pid 6839] set_robust_list(0x7fef411b19a0, 24 [pid 6838] <... set_robust_list resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6825] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(3, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6839] <... set_robust_list resumed>) = 0 [pid 6838] chdir("./59" [pid 6836] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6825] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6839] rt_sigprocmask(SIG_SETMASK, [], [pid 6838] <... chdir resumed>) = 0 [pid 6836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6825] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] <... close resumed>) = 0 [pid 6839] sendfile(3, 4, NULL, 281474978811911 [pid 6838] <... prctl resumed>) = 0 [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] rmdir("./58/bus" [pid 6838] setpgid(0, 0 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6838] <... setpgid resumed>) = 0 [pid 6838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] <... mmap resumed>) = 0x7fef411b2000 [pid 5060] newfstatat(AT_FDCWD, "./57/file1", [pid 6838] <... openat resumed>) = 3 [pid 6836] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5062] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6836] <... mprotect resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6838] write(3, "1000", 4) = 4 [pid 5062] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5060] umount2("./57/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6838] close(3 [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6838] <... close resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6838] symlink("/dev/binderfs", "./binderfs" [pid 5062] unlink("./58/binderfs" [pid 6838] <... symlink resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5062] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(4, "", [pid 6838] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6840 attached [pid 6838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6836] <... clone3 resumed> => {parent_tid=[6840]}, 88) = 6840 [pid 5062] newfstatat(AT_FDCWD, "./58/file0", [pid 6840] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6840] <... rseq resumed>) = 0 [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] set_robust_list(0x7fef411d29a0, 24 [pid 6838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... set_robust_list resumed>) = 0 [pid 6838] <... mmap resumed>) = 0x7fef411b2000 [pid 6840] rt_sigprocmask(SIG_SETMASK, [], [pid 6838] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5062] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] getdents64(4, [pid 6840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6838] <... mprotect resumed>) = 0 [pid 6836] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] <... sendfile resumed>) = 4 [pid 5062] <... openat resumed>) = 4 [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6828] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... sendfile resumed>) = 4 [pid 5062] newfstatat(4, "", [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6839] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6836] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = 0 [pid 6839] <... futex resumed>) = 1 [pid 6838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6841 attached [pid 6840] mkdir("./file0", 000 [pid 6839] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] exit_group(0 [pid 5060] newfstatat(AT_FDCWD, "./57/file1/work", [pid 6841] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6839] <... futex resumed>) = ? [pid 6838] <... clone3 resumed> => {parent_tid=[6841]}, 88) = 6841 [pid 6828] <... futex resumed>) = ? [pid 6825] <... exit_group resumed>) = ? [pid 6841] <... rseq resumed>) = 0 [pid 6839] +++ exited with 0 +++ [pid 6838] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] +++ exited with 0 +++ [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6841] set_robust_list(0x7fef411d29a0, 24 [pid 5060] umount2("./57/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6841] <... set_robust_list resumed>) = 0 [pid 6825] +++ exited with 0 +++ [pid 5063] <... umount2 resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6841] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] <... mkdir resumed>) = 0 [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5062] getdents64(4, [pid 5060] openat(AT_FDCWD, "./57/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5063] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... openat resumed>) = 5 [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... restart_syscall resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(5, "", [pid 5063] newfstatat(AT_FDCWD, "./59/bus", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(5, [pid 6841] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 5068] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6841] mkdir("./file0", 000 [pid 6840] mkdir("./bus", 000 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 5060] getdents64(5, [pid 6841] <... mkdir resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... mkdir resumed>) = 0 [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 5062] rmdir("./58/file0" [pid 5060] close(5 [pid 6841] <... futex resumed>) = 1 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] newfstatat(3, "", [pid 5063] <... openat resumed>) = 4 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 0 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] newfstatat(4, "", [pid 5060] rmdir("./57/file1/work" [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 6840] mkdir("./file1", 000 [pid 5062] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6841] mkdir("./bus", 000 [pid 6840] <... mkdir resumed>) = 0 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... rmdir resumed>) = 0 [pid 6841] <... mkdir resumed>) = 0 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] getdents64(4, [pid 5062] newfstatat(AT_FDCWD, "./58/file1", [pid 5060] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6841] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 5062] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... openat resumed>) = 4 [pid 5060] newfstatat(AT_FDCWD, "./57/file1/index", [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(AT_FDCWD, "./59/bus/file0", [pid 6841] mkdir("./file1", 000 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6841] <... mkdir resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(4, "", [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] unlink("./59/bus/file0" [pid 5060] umount2("./57/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6841] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = 0 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6841] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6838] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./57/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 5060] <... openat resumed>) = 5 [pid 5060] newfstatat(5, "", [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] <... unlink resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5062] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] close(5) = 0 [pid 5062] rmdir("./58/file1/work") = 0 [pid 5062] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/file1/index", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] getdents64(4, [pid 5060] getdents64(5, [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] close(4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... close resumed>) = 0 [pid 5060] getdents64(5, [pid 5063] rmdir("./59/bus" [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5062] newfstatat(5, "", [pid 5063] <... rmdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] close(5 [pid 5063] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(5, [pid 5068] <... umount2 resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5068] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] rmdir("./57/file1/index" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5062] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] close(5) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./60/bus", [pid 5063] unlink("./59/binderfs" [pid 5062] rmdir("./58/file1/index" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... unlink resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6841] <... mount resumed>) = 0 [pid 6840] <... mount resumed>) = 0 [pid 5068] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 5060] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] newfstatat(AT_FDCWD, "./59/file0", [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6838] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] close(4 [pid 5060] close(4 [pid 6841] <... futex resumed>) = 1 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(4, "", [pid 5063] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6841] unlink(NULL [pid 6838] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./58/file1" [pid 5060] rmdir("./57/file1" [pid 6841] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5063] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... rmdir resumed>) = 0 [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 5062] getdents64(3, [pid 6841] <... futex resumed>) = 0 [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... openat resumed>) = 4 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 5068] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(3 [pid 5060] <... rmdir resumed>) = 0 [pid 6841] chdir("./bus" [pid 6840] unlink(NULL [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(4, "", [pid 5062] <... close resumed>) = 0 [pid 6841] <... chdir resumed>) = 0 [pid 6840] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] rmdir("./58" [pid 5060] getdents64(3, [pid 5068] newfstatat(AT_FDCWD, "./60/bus/file0", [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] getdents64(4, [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6841] <... futex resumed>) = 0 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = 0 [pid 6841] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6838] <... futex resumed>) = 0 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] mkdir("./59", 0777 [pid 5060] close(3 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6840] chdir("./bus" [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6840] <... chdir resumed>) = 0 [pid 5060] rmdir("./57") = 0 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6840] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... open resumed>) = 3 [pid 6840] <... open resumed>) = 3 [pid 6836] <... futex resumed>) = 0 [pid 5068] unlink("./60/bus/file0" [pid 5063] getdents64(4, [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 99.080847][ T6840] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 99.085862][ T6841] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5060] mkdir("./58", 0777 [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6842 attached [pid 6841] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5063] close(4 [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6842] set_robust_list(0x555555f856a0, 24 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 5063] rmdir("./59/file0" [pid 5060] <... mkdir resumed>) = 0 [pid 6842] <... set_robust_list resumed>) = 0 [pid 6841] fcntl(-1, F_SETFL, O_RDONLY [pid 6840] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6842 [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6843 attached [pid 6842] chdir("./59" [pid 6841] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] fcntl(-1, F_SETFL, O_RDONLY [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] set_robust_list(0x555555f856a0, 24 [pid 6841] <... futex resumed>) = 1 [pid 5063] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6843] <... set_robust_list resumed>) = 0 [pid 6842] <... chdir resumed>) = 0 [pid 6838] <... futex resumed>) = 0 [pid 5068] rmdir("./60/bus" [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] newfstatat(AT_FDCWD, "./59/file1", [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6843 [pid 6841] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6841] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6842] <... prctl resumed>) = 0 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] chdir("./58" [pid 6841] <... openat resumed>) = 4 [pid 6840] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] <... chdir resumed>) = 0 [pid 6842] setpgid(0, 0 [pid 6840] <... openat resumed>) = 4 [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6842] <... setpgid resumed>) = 0 [pid 6841] <... futex resumed>) = 1 [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6843] <... prctl resumed>) = 0 [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... openat resumed>) = 4 [pid 6843] setpgid(0, 0 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] newfstatat(4, "", [pid 6843] <... setpgid resumed>) = 0 [pid 6841] sendfile(4, 4, NULL, 7 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6840] sendfile(4, 4, NULL, 7 [pid 6836] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6842] <... openat resumed>) = 3 [pid 6838] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, 0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5068] unlink("./60/binderfs" [pid 6843] <... openat resumed>) = 3 [pid 6843] write(3, "1000", 4 [pid 6842] write(3, "1000", 4 [pid 5063] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... unlink resumed>) = 0 [pid 6842] <... write resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6842] close(3 [pid 6843] <... write resumed>) = 4 [pid 6843] close(3 [pid 6842] <... close resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./59/file1/work", [pid 5068] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6843] <... close resumed>) = 0 [pid 6842] symlink("/dev/binderfs", "./binderfs" [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] symlink("/dev/binderfs", "./binderfs" [pid 6842] <... symlink resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./60/file0", [pid 5063] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6843] <... symlink resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] <... openat resumed>) = 4 [pid 5063] <... openat resumed>) = 5 [pid 6843] <... futex resumed>) = 0 [pid 6842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] newfstatat(4, "", [pid 5063] newfstatat(5, "", [pid 6843] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(4, [pid 6843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(5, [pid 6843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] <... mmap resumed>) = 0x7fef411b2000 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6842] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5068] getdents64(4, [pid 6843] <... mmap resumed>) = 0x7fef411b2000 [pid 6842] <... mprotect resumed>) = 0 [pid 5063] getdents64(5, [pid 6843] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6843] <... mprotect resumed>) = 0 [pid 6842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] close(4 [pid 5063] close(5 [pid 6843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] <... close resumed>) = 0 [pid 6843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] rmdir("./60/file0" [pid 5063] <... close resumed>) = 0 ./strace-static-x86_64: Process 6846 attached [pid 6843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] <... rmdir resumed>) = 0 [pid 5063] rmdir("./59/file1/work"./strace-static-x86_64: Process 6847 attached [pid 6846] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6842] <... clone3 resumed> => {parent_tid=[6846]}, 88) = 6846 [pid 5063] <... rmdir resumed>) = 0 [pid 6847] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6846] <... rseq resumed>) = 0 [pid 6843] <... clone3 resumed> => {parent_tid=[6847]}, 88) = 6847 [pid 6842] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6847] <... rseq resumed>) = 0 [pid 6846] set_robust_list(0x7fef411d29a0, 24 [pid 6843] rt_sigprocmask(SIG_SETMASK, [], [pid 6842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6847] set_robust_list(0x7fef411d29a0, 24 [pid 6846] <... set_robust_list resumed>) = 0 [pid 6843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./60/file1", [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6847] <... set_robust_list resumed>) = 0 [pid 6846] rt_sigprocmask(SIG_SETMASK, [], [pid 6843] <... futex resumed>) = 0 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(AT_FDCWD, "./59/file1/index", [pid 6847] rt_sigprocmask(SIG_SETMASK, [], [pid 6846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] mkdir("./file0", 000 [pid 6836] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6847] mkdir("./file0", 000 [pid 6846] <... mkdir resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] newfstatat(4, "", [pid 5063] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6847] <... mkdir resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6842] <... futex resumed>) = 0 [pid 6836] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... openat resumed>) = 5 [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... futex resumed>) = 0 [pid 6846] mkdir("./bus", 000 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... mprotect resumed>) = 0 [pid 5068] getdents64(4, [pid 5063] newfstatat(5, "", [pid 6838] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6846] <... mkdir resumed>) = 0 [pid 6838] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] getdents64(5, [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6847] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 6838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] newfstatat(AT_FDCWD, "./60/file1/work", ./strace-static-x86_64: Process 6848 attached [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] getdents64(5, [pid 6848] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 6841] <... sendfile resumed>) = 4 [pid 6836] <... clone3 resumed> => {parent_tid=[6848]}, 88) = 6848 [pid 5068] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6848] <... rseq resumed>) = 0 [pid 6847] mkdir("./bus", 000 [pid 6846] mkdir("./file1", 000 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6841] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6836] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6848] set_robust_list(0x7fef411b19a0, 24) = 0 [pid 6847] <... mkdir resumed>) = 0 [pid 6846] <... mkdir resumed>) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6838] <... mprotect resumed>) = 0 [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] close(5 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], [pid 6841] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 5 [pid 5063] <... close resumed>) = 0 [pid 6848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... futex resumed>) = 0 [pid 6848] sendfile(3, 4, NULL, 281474978811911 [pid 6847] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 6838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6836] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(5, "", [pid 5063] rmdir("./59/file1/index" [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 6847] mkdir("./file1", 000 [pid 6846] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6847] <... mkdir resumed>) = 0 [pid 5068] getdents64(5, [pid 5063] <... rmdir resumed>) = 0 [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(4, ./strace-static-x86_64: Process 6850 attached [pid 6850] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 5068] getdents64(5, [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6850] <... rseq resumed>) = 0 [pid 5063] close(4 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6850] set_robust_list(0x7fef411b19a0, 24 [pid 5068] close(5 [pid 5063] <... close resumed>) = 0 [pid 6850] <... set_robust_list resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5063] rmdir("./59/file1" [pid 6850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6850] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... rmdir resumed>) = 0 [pid 5068] rmdir("./60/file1/work") = 0 [pid 5063] getdents64(3, 0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5063] close(3) = 0 [pid 5063] rmdir("./59" [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... clone3 resumed> => {parent_tid=[6850]}, 88) = 6850 [pid 5068] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6843] <... futex resumed>) = 1 [pid 5063] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./60/file1/index", [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] mkdir("./60", 0777 [pid 6850] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 1 [pid 6850] sendfile(3, 4, NULL, 281474978811911) = 0 [pid 6847] <... futex resumed>) = 0 [pid 6850] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6847] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6850] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... mkdir resumed>) = 0 [pid 6838] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6846] <... mount resumed>) = 0 [pid 6838] exit_group(0 [pid 5068] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6850] <... futex resumed>) = ? [pid 6841] <... futex resumed>) = ? [pid 6838] <... exit_group resumed>) = ? [pid 5068] <... openat resumed>) = 5 [pid 6850] +++ exited with 0 +++ [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... futex resumed>) = 0 [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(5, "", [pid 6846] <... futex resumed>) = 1 [pid 6846] unlink(NULL [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6852 attached [pid 6841] +++ exited with 0 +++ [pid 6838] +++ exited with 0 +++ [pid 5068] getdents64(5, [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6852 [pid 6852] set_robust_list(0x555555f856a0, 24 [pid 6836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6852] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6838, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6852] chdir("./60" [pid 6846] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5068] getdents64(5, [pid 5065] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6846] <... futex resumed>) = 1 [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] close(5 [pid 5065] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6852] <... chdir resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./60/file1/index" [pid 5065] <... openat resumed>) = 3 [pid 6852] <... prctl resumed>) = 0 [pid 6846] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 5065] newfstatat(3, "", [pid 6852] setpgid(0, 0 [pid 6846] chdir("./bus" [pid 6852] <... setpgid resumed>) = 0 [pid 6846] <... chdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5065] getdents64(3, [pid 6846] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] getdents64(4, [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5065] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] <... openat resumed>) = 3 [pid 6846] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 6852] write(3, "1000", 4 [pid 6846] <... open resumed>) = 3 [pid 6852] <... write resumed>) = 4 [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] close(3 [pid 6846] <... futex resumed>) = 1 [pid 6842] <... futex resumed>) = 0 [pid 6852] <... close resumed>) = 0 [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./60/file1" [pid 6852] symlink("/dev/binderfs", "./binderfs" [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... futex resumed>) = 0 [pid 6846] fcntl(-1, F_SETFL, O_RDONLY [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6842] <... futex resumed>) = 0 [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... symlink resumed>) = 0 [pid 6847] <... mount resumed>) = 0 [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... futex resumed>) = 0 [pid 6846] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6852] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... openat resumed>) = 4 [pid 5068] getdents64(3, [pid 6852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6847] <... futex resumed>) = 1 [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] <... futex resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = 1 [pid 6842] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6847] unlink(NULL [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6852] <... mmap resumed>) = 0x7fef411b2000 [pid 6847] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6846] sendfile(4, 4, NULL, 7 [pid 6842] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... mprotect resumed>) = 0 [pid 5068] rmdir("./60" [pid 6843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6847] <... futex resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6847] chdir("./bus" [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6847] <... chdir resumed>) = 0 [pid 6843] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6853 attached [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6852] <... clone3 resumed> => {parent_tid=[6853]}, 88) = 6853 [pid 6847] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... rseq resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] set_robust_list(0x7fef411d29a0, 24 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] <... set_robust_list resumed>) = 0 [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 6852] <... futex resumed>) = 0 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 6853] mkdir("./file0", 000 [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./61", 0777 [pid 5065] <... umount2 resumed>) = 0 [pid 6853] <... mkdir resumed>) = 0 [pid 6847] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = 1 [pid 5065] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6847] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [ 99.240020][ T6846] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 99.268908][ T6847] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6847] <... futex resumed>) = 1 [pid 5065] newfstatat(AT_FDCWD, "./59/bus", [pid 6853] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6853] mkdir("./bus", 000 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... mkdir resumed>) = 0 [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6843] <... futex resumed>) = 1 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] fcntl(-1, F_SETFL, O_RDONLY [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6847] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6854 attached [pid 6853] mkdir("./file1", 000 [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 4 [pid 6852] <... futex resumed>) = 0 [pid 6847] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6854 [pid 5065] newfstatat(4, "", [pid 6854] set_robust_list(0x555555f856a0, 24 [pid 6853] <... mkdir resumed>) = 0 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... set_robust_list resumed>) = 0 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6854] chdir("./61" [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6847] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 6854] <... chdir resumed>) = 0 [pid 6853] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... openat resumed>) = 4 [pid 6854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6854] <... prctl resumed>) = 0 [pid 6853] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 5065] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] setpgid(0, 0 [pid 6843] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6843] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] <... setpgid resumed>) = 0 [pid 6854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] newfstatat(AT_FDCWD, "./59/bus/file0", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6848] <... sendfile resumed>) = 4 [pid 6840] <... sendfile resumed>) = 4 [pid 5065] unlink("./59/bus/file0" [pid 6847] sendfile(4, 4, NULL, 7 [pid 6848] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6848] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] write(3, "1000", 4) = 4 [pid 6853] <... mount resumed>) = 0 [pid 6842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6840] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... unlink resumed>) = 0 [pid 6854] close(3 [pid 6840] <... futex resumed>) = 0 [pid 6836] exit_group(0 [pid 5065] getdents64(4, [pid 6854] <... close resumed>) = 0 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... futex resumed>) = ? [pid 6842] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... exit_group resumed>) = ? [pid 6854] symlink("/dev/binderfs", "./binderfs" [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6848] +++ exited with 0 +++ [pid 6842] <... futex resumed>) = 0 [pid 6840] +++ exited with 0 +++ [pid 6836] +++ exited with 0 +++ [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6854] <... symlink resumed>) = 0 [pid 6853] unlink(NULL [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6852] <... futex resumed>) = 0 [pid 6842] <... mmap resumed>) = 0x7fef41191000 [pid 5065] close(4 [pid 6854] <... futex resumed>) = 0 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... close resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6836, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6854] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6853] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... mprotect resumed>) = 0 [pid 5065] rmdir("./59/bus" [pid 5061] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6853] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] chdir("./bus" [pid 6852] <... futex resumed>) = 0 [pid 6842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6853] <... chdir resumed>) = 0 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0}./strace-static-x86_64: Process 6857 attached [pid 6854] <... mmap resumed>) = 0x7fef411b2000 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... openat resumed>) = 3 [pid 6857] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6854] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5061] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6857] <... rseq resumed>) = 0 [pid 6854] <... mprotect resumed>) = 0 [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... clone3 resumed> => {parent_tid=[6857]}, 88) = 6857 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6857] set_robust_list(0x7fef411b19a0, 24 [pid 6854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6853] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6852] <... futex resumed>) = 0 [pid 6842] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5061] getdents64(3, [pid 6857] <... set_robust_list resumed>) = 0 [pid 6854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6853] <... open resumed>) = 3 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6857] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0}./strace-static-x86_64: Process 6858 attached [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] unlink("./59/binderfs" [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6857] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] <... clone3 resumed> => {parent_tid=[6858]}, 88) = 6858 [pid 6842] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6842] <... futex resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5061] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... rseq resumed>) = 0 [pid 6857] sendfile(3, 4, NULL, 281474978811911 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] set_robust_list(0x7fef411d29a0, 24 [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5065] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... set_robust_list resumed>) = 0 [pid 6854] <... futex resumed>) = 0 [ 99.338480][ T6853] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6853] fcntl(-1, F_SETFL, O_RDONLY [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] <... futex resumed>) = 0 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./59/file0", [pid 6858] mkdir("./file0", 000 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6853] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... openat resumed>) = 4 [pid 6852] <... futex resumed>) = 0 [pid 6843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6858] <... mkdir resumed>) = 0 [pid 6853] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] sendfile(4, 4, NULL, 7 [pid 6852] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... openat resumed>) = 4 [pid 6858] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6858] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] <... mprotect resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] <... futex resumed>) = 0 [pid 6858] mkdir("./bus", 000 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] getdents64(4, 0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6858] <... mkdir resumed>) = 0 [pid 6857] <... sendfile resumed>) = 4 [pid 6846] <... sendfile resumed>) = 4 [pid 6843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] getdents64(4, [pid 5061] <... umount2 resumed>) = 0 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 6854] <... futex resumed>) = 0 [pid 5065] rmdir("./59/file0" [pid 6858] <... futex resumed>) = 1 [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] mkdir("./file1", 000 [pid 6854] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6860 attached [pid 6846] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... mkdir resumed>) = 0 [pid 6843] <... clone3 resumed> => {parent_tid=[6860]}, 88) = 6860 [pid 5065] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 0 [pid 6843] rt_sigprocmask(SIG_SETMASK, [], [pid 6860] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6860] <... rseq resumed>) = 0 [pid 6858] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6846] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] newfstatat(AT_FDCWD, "./59/file1", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6860] set_robust_list(0x7fef411b19a0, 24 [pid 6858] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6857] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] newfstatat(AT_FDCWD, "./58/bus", [pid 6860] <... set_robust_list resumed>) = 0 [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6857] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 5065] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], [pid 6858] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6857] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] exit_group(0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6860] sendfile(3, 4, NULL, 281474978811911 [pid 6857] <... futex resumed>) = ? [pid 6846] <... futex resumed>) = ? [pid 6842] <... exit_group resumed>) = ? [pid 5065] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(4, "", [pid 6857] +++ exited with 0 +++ [pid 6846] +++ exited with 0 +++ [pid 6842] +++ exited with 0 +++ [pid 5065] <... openat resumed>) = 4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6842, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5061] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... mount resumed>) = 0 [pid 6852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] newfstatat(4, "", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6852] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] getdents64(4, [pid 5062] <... openat resumed>) = 3 [pid 5061] newfstatat(AT_FDCWD, "./58/bus/file0", [pid 6852] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5062] newfstatat(3, "", [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6852] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] unlink("./58/bus/file0" [pid 6852] <... mprotect resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] newfstatat(AT_FDCWD, "./59/file1/work", [pid 5062] getdents64(3, [pid 5061] getdents64(4, [pid 6858] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6858] unlink(NULL [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6862 attached [pid 6858] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6854] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(4 [pid 6862] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6860] <... sendfile resumed>) = 4 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... clone3 resumed> => {parent_tid=[6862]}, 88) = 6862 [pid 6847] <... sendfile resumed>) = 4 [pid 5065] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6862] <... rseq resumed>) = 0 [pid 6860] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6847] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 5 [pid 5061] <... close resumed>) = 0 [pid 6862] set_robust_list(0x7fef411b19a0, 24 [pid 6860] <... futex resumed>) = 1 [pid 6858] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = 0 [pid 5065] newfstatat(5, "", [pid 5062] <... umount2 resumed>) = 0 [pid 5061] rmdir("./58/bus" [pid 6862] <... set_robust_list resumed>) = 0 [pid 6860] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] <... futex resumed>) = 0 [pid 6852] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] exit_group(0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], [pid 6860] <... futex resumed>) = ? [pid 6858] chdir("./bus" [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... futex resumed>) = 0 [pid 6847] <... futex resumed>) = ? [pid 6843] <... exit_group resumed>) = ? [pid 5065] getdents64(5, [pid 5062] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] +++ exited with 0 +++ [pid 6858] <... chdir resumed>) = 0 [pid 6852] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] +++ exited with 0 +++ [pid 6843] +++ exited with 0 +++ [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6862] sendfile(3, 4, NULL, 281474978811911 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./59/bus", [pid 5061] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6843, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] getdents64(5, [pid 6858] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6858] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(5 [pid 5062] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... open resumed>) = 3 [pid 6854] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5060] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./59/file1/work" [pid 5062] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... rmdir resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5060] <... openat resumed>) = 3 [pid 5065] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(4, "", [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] unlink("./58/binderfs" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./59/file1/index", [pid 5062] getdents64(4, [pid 5061] <... unlink resumed>) = 0 [pid 5060] getdents64(3, [pid 6858] <... futex resumed>) = 1 [pid 6854] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6858] fcntl(-1, F_SETFL, O_RDONLY [ 99.454654][ T6858] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] newfstatat(AT_FDCWD, "./59/bus/file0", [pid 5061] newfstatat(AT_FDCWD, "./58/file0", [pid 6858] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... openat resumed>) = 5 [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6858] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(5, "", [pid 5062] unlink("./59/bus/file0" [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] <... futex resumed>) = 0 [pid 5061] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(5, [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6854] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 6858] <... futex resumed>) = 1 [pid 6854] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] newfstatat(4, "", [pid 6858] sendfile(4, 4, NULL, 7 [pid 6854] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6854] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] close(4 [pid 5061] getdents64(4, [pid 5060] <... umount2 resumed>) = 0 [pid 5065] close(5 [pid 5062] <... close resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] <... close resumed>) = 0 [pid 5062] rmdir("./59/bus" [pid 5065] rmdir("./59/file1/index" [pid 5060] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./58/bus", [pid 5062] <... rmdir resumed>) = 0 [pid 5061] close(4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./58/file0" [pid 5060] umount2("./58/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5061] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(4, "", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] newfstatat(AT_FDCWD, "./58/file1", [pid 5060] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./58/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] newfstatat(AT_FDCWD, "./58/bus/file0", [pid 5061] <... openat resumed>) = 4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./58/bus/file0" [pid 5065] getdents64(4, [pid 5062] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(4, "", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5065] close(4 [pid 5062] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./59/binderfs" [pid 6852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... close resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5061] getdents64(4, [pid 5062] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] rmdir("./59/file1" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./59/file0", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] newfstatat(AT_FDCWD, "./58/file1/work", [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... close resumed>) = 0 [pid 5065] getdents64(3, [pid 5062] <... openat resumed>) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./58/bus" [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5062] newfstatat(4, "", [pid 5061] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... rmdir resumed>) = 0 [pid 5065] close(3 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... openat resumed>) = 5 [pid 5062] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] newfstatat(5, "", [pid 5065] rmdir("./59" [pid 5062] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] close(4 [pid 5061] getdents64(5, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6853] <... sendfile resumed>) = 4 [pid 5062] <... close resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./58/binderfs", [pid 6862] <... sendfile resumed>) = 4 [pid 6853] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] mkdir("./60", 0777 [pid 5062] rmdir("./59/file0" [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6862] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6852] exit_group(0 [pid 5060] unlink("./58/binderfs" [pid 6862] unlink("./59/file1" [pid 6852] <... exit_group resumed>) = ? [pid 5061] getdents64(5, [pid 5060] <... unlink resumed>) = 0 [pid 6862] +++ exited with 0 +++ [pid 6853] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] +++ exited with 0 +++ [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(5 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/file1", [pid 5061] <... close resumed>) = 0 ./strace-static-x86_64: Process 6867 attached [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] rmdir("./58/file1/work" [pid 5060] newfstatat(AT_FDCWD, "./58/file0", [pid 6867] set_robust_list(0x555555f856a0, 24 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5062] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 6854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6854] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6867 [pid 5063] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6867] chdir("./60" [pid 6854] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] <... chdir resumed>) = 0 [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... openat resumed>) = 4 [pid 5061] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6854] <... mmap resumed>) = 0x7fef41191000 [pid 5063] <... openat resumed>) = 3 [pid 5062] newfstatat(4, "", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6867] <... prctl resumed>) = 0 [pid 6854] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5063] newfstatat(3, "", [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] newfstatat(AT_FDCWD, "./58/file1/index", [pid 5060] <... openat resumed>) = 4 [pid 6867] setpgid(0, 0 [pid 6854] <... mprotect resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(4, "", [pid 6867] <... setpgid resumed>) = 0 [pid 6854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] getdents64(3, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6867] <... openat resumed>) = 3 [pid 6854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5062] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6868 attached [pid 6867] write(3, "1000", 4 [pid 5063] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 6868] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6867] <... write resumed>) = 4 [pid 6854] <... clone3 resumed> => {parent_tid=[6868]}, 88) = 6868 [pid 5062] newfstatat(AT_FDCWD, "./59/file1/work", [pid 5061] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6868] <... rseq resumed>) = 0 [pid 6867] close(3 [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6868] set_robust_list(0x7fef411b19a0, 24 [pid 6867] <... close resumed>) = 0 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... openat resumed>) = 5 [pid 5060] getdents64(4, [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] symlink("/dev/binderfs", "./binderfs" [pid 6854] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] <... futex resumed>) = 0 [pid 5062] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(5, "", [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6854] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] close(4 [pid 6868] sendfile(3, 4, NULL, 281474978811911 [pid 6867] <... symlink resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... close resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 5061] getdents64(5, [pid 5060] rmdir("./58/file0" [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(5, "", [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... rmdir resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(5, [pid 6867] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5062] getdents64(5, [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] close(5 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... close resumed>) = 0 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] getdents64(5, [pid 5061] rmdir("./58/file1/index" [pid 5060] newfstatat(AT_FDCWD, "./58/file1", [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6867] <... mmap resumed>) = 0x7fef411b2000 [pid 5062] close(5 [pid 6867] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5062] <... close resumed>) = 0 [pid 5060] umount2("./58/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] <... mprotect resumed>) = 0 [pid 5062] rmdir("./59/file1/work" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 6867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5062] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5060] newfstatat(4, "", ./strace-static-x86_64: Process 6869 attached [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6867] <... clone3 resumed> => {parent_tid=[6869]}, 88) = 6869 [pid 5062] newfstatat(AT_FDCWD, "./59/file1/index", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(4, [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] close(4 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] rmdir("./58/file1" [pid 6869] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./58/file1/work", [pid 6869] <... rseq resumed>) = 0 [pid 5063] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6869] set_robust_list(0x7fef411d29a0, 24 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6869] <... set_robust_list resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./60/bus", [pid 6869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(5, "", [pid 5061] getdents64(3, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6869] mkdir("./file0", 000 [pid 5063] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] umount2("./58/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(5, [pid 5061] close(3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6869] <... mkdir resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./58/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] getdents64(5, [pid 5060] <... openat resumed>) = 5 [pid 6869] <... futex resumed>) = 1 [pid 6867] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] rmdir("./58" [pid 6869] mkdir("./bus", 000 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 4 [pid 5062] close(5 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] newfstatat(5, "", [pid 6867] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... mkdir resumed>) = 0 [pid 5063] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6869] <... futex resumed>) = 0 [pid 5063] getdents64(4, [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] rmdir("./59/file1/index" [pid 5061] mkdir("./59", 0777 [pid 5060] getdents64(5, [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6869] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 6869] mkdir("./file1", 000 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] getdents64(5, [pid 5062] getdents64(4, [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6869] <... mkdir resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] close(5 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(4 [pid 5060] <... close resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] rmdir("./58/file1/work" [pid 6869] <... futex resumed>) = 1 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] newfstatat(AT_FDCWD, "./60/bus/file0", ./strace-static-x86_64: Process 6870 attached {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6870] set_robust_list(0x555555f856a0, 24 [pid 5060] <... rmdir resumed>) = 0 [pid 6870] <... set_robust_list resumed>) = 0 [pid 5062] rmdir("./59/file1" [pid 6870] chdir("./59" [pid 6867] <... futex resumed>) = 0 [pid 5063] unlink("./60/bus/file0" [pid 5062] <... rmdir resumed>) = 0 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... unlink resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 5060] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(3, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6869] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 5063] getdents64(4, [pid 6870] <... chdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6870 [pid 5060] newfstatat(AT_FDCWD, "./58/file1/index", [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] close(3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] close(4) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] umount2("./58/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./60/bus" [pid 5062] rmdir("./59" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... rmdir resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./58/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5060] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] mkdir("./60", 0777 [pid 5060] getdents64(5, [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... mkdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] unlink("./60/binderfs") = 0 [pid 5060] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] close(5 [pid 5063] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... close resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./58/file1/index" [pid 6854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... rmdir resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./60/file0", [pid 5060] getdents64(4, [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] close(4 [pid 5063] newfstatat(4, "", [pid 5060] <... close resumed>) = 0 ./strace-static-x86_64: Process 6871 attached [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] rmdir("./58/file1" [pid 6871] set_robust_list(0x555555f856a0, 24 [pid 6870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] getdents64(4, [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6871 [pid 5060] <... rmdir resumed>) = 0 [pid 6871] <... set_robust_list resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6870] <... prctl resumed>) = 0 [pid 5063] getdents64(4, [pid 6871] chdir("./60" [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(3, [pid 6870] setpgid(0, 0 [pid 6871] <... chdir resumed>) = 0 [pid 6870] <... setpgid resumed>) = 0 [pid 5063] close(4 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5063] <... close resumed>) = 0 [pid 5063] rmdir("./60/file0" [pid 5060] close(3 [pid 5063] <... rmdir resumed>) = 0 [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... close resumed>) = 0 [pid 6871] <... prctl resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6871] setpgid(0, 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./58" [pid 6871] <... setpgid resumed>) = 0 [pid 6870] <... openat resumed>) = 3 [pid 5063] newfstatat(AT_FDCWD, "./60/file1", [pid 6870] write(3, "1000", 4 [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6870] <... write resumed>) = 4 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6870] close(3 [pid 6871] <... openat resumed>) = 3 [pid 6870] <... close resumed>) = 0 [pid 5063] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] mkdir("./59", 0777 [pid 6870] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... mkdir resumed>) = 0 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6870] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6869] <... mount resumed>) = 0 [pid 5063] <... openat resumed>) = 4 [pid 6870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] newfstatat(4, "", [pid 6871] write(3, "1000", 4 [pid 6870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6871] <... write resumed>) = 4 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] getdents64(4, 0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6874 ./strace-static-x86_64: Process 6874 attached [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6869] <... futex resumed>) = 1 [pid 5063] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6870] <... mmap resumed>) = 0x7fef411b2000 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6871] close(3 [pid 6874] set_robust_list(0x555555f856a0, 24 [pid 6871] <... close resumed>) = 0 [pid 6870] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6867] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./60/file1/work", [pid 6874] <... set_robust_list resumed>) = 0 [pid 6871] symlink("/dev/binderfs", "./binderfs" [pid 6870] <... mprotect resumed>) = 0 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6874] chdir("./59" [pid 6871] <... symlink resumed>) = 0 [pid 6870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6869] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 5063] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6874] <... chdir resumed>) = 0 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6869] unlink(NULL [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6871] <... futex resumed>) = 0 [pid 6870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6869] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6875 attached [pid 6874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6871] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 5 [pid 6875] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6874] <... prctl resumed>) = 0 [pid 6871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6870] <... clone3 resumed> => {parent_tid=[6875]}, 88) = 6875 [pid 6869] <... futex resumed>) = 1 [pid 6867] <... futex resumed>) = 0 [pid 5063] newfstatat(5, "", [pid 6875] <... rseq resumed>) = 0 [pid 6874] setpgid(0, 0 [pid 6871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6875] set_robust_list(0x7fef411d29a0, 24 [pid 6874] <... setpgid resumed>) = 0 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] <... futex resumed>) = 0 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] chdir("./bus" [pid 5063] getdents64(5, [pid 6875] rt_sigprocmask(SIG_SETMASK, [], [pid 6874] <... openat resumed>) = 3 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6870] <... futex resumed>) = 0 [pid 6869] <... chdir resumed>) = 0 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] write(3, "1000", 4 [pid 6871] <... mmap resumed>) = 0x7fef411b2000 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6875] mkdir("./file0", 000 [pid 6874] <... write resumed>) = 4 [pid 6871] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6869] <... futex resumed>) = 0 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(5, [ 99.644906][ T6869] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6874] close(3 [pid 6869] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6874] <... close resumed>) = 0 [pid 6869] <... open resumed>) = 3 [pid 6875] <... mkdir resumed>) = 0 [pid 6874] symlink("/dev/binderfs", "./binderfs" [pid 6871] <... mprotect resumed>) = 0 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... symlink resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 5063] close(5 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... futex resumed>) = 1 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6870] <... futex resumed>) = 0 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... close resumed>) = 0 [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] <... futex resumed>) = 0 [pid 6871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./60/file1/work" [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6870] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6876 attached [pid 6875] mkdir("./bus", 000 [pid 6874] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6871] <... clone3 resumed> => {parent_tid=[6876]}, 88) = 6876 [pid 6869] fcntl(-1, F_SETFL, O_RDONLY [pid 5063] <... rmdir resumed>) = 0 [pid 6876] <... rseq resumed>) = 0 [pid 6875] <... mkdir resumed>) = 0 [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6876] set_robust_list(0x7fef411d29a0, 24 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6874] <... mmap resumed>) = 0x7fef411b2000 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = 1 [pid 6867] <... futex resumed>) = 0 [pid 6858] <... sendfile resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6876] rt_sigprocmask(SIG_SETMASK, [], [pid 6875] mkdir("./file1", 000 [pid 6874] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6871] <... futex resumed>) = 0 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6868] <... sendfile resumed>) = 4 [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(AT_FDCWD, "./60/file1/index", [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6875] <... mkdir resumed>) = 0 [pid 6874] <... mprotect resumed>) = 0 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6868] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6876] mkdir("./file0", 000 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... mkdir resumed>) = 0 [pid 6875] <... futex resumed>) = 0 [pid 6874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... openat resumed>) = 4 [pid 6868] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] exit_group(0 [pid 6876] <... futex resumed>) = 1 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6871] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 0 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = ? [pid 6858] <... futex resumed>) = ? [pid 6854] <... exit_group resumed>) = ? [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6877 attached [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = 1 [pid 6868] +++ exited with 0 +++ [pid 6867] <... futex resumed>) = 0 [pid 6858] +++ exited with 0 +++ [pid 6877] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... rseq resumed>) = 0 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] <... futex resumed>) = 0 [pid 6877] set_robust_list(0x7fef411d29a0, 24 [pid 6869] sendfile(4, 4, NULL, 7 [pid 6867] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... set_robust_list resumed>) = 0 [pid 6877] rt_sigprocmask(SIG_SETMASK, [], [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] +++ exited with 0 +++ [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6871] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6854, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6876] mkdir("./bus", 000 [pid 6874] <... clone3 resumed> => {parent_tid=[6877]}, 88) = 6877 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... mkdir resumed>) = 0 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... openat resumed>) = 5 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(5, "", [pid 6876] <... futex resumed>) = 1 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 5063] getdents64(5, [pid 6877] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = 1 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 6877] mkdir("./file0", 000 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5068] newfstatat(3, "", [pid 6877] <... mkdir resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] <... futex resumed>) = 1 [pid 5063] getdents64(5, [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] mkdir("./file1", 000 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6877] <... futex resumed>) = 0 [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... mkdir resumed>) = 0 [pid 5063] close(5 [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 6877] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = 1 [pid 5063] <... close resumed>) = 0 [pid 6877] mkdir("./bus", 000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... mkdir resumed>) = 0 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./60/file1/index" [pid 5068] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = 1 [pid 6875] <... mount resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(4, [pid 6877] <... futex resumed>) = 1 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6875] <... futex resumed>) = 1 [pid 6874] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 0 [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6877] mkdir("./file1", 000 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] close(4 [pid 6875] unlink(NULL [pid 5063] <... close resumed>) = 0 [pid 6877] <... mkdir resumed>) = 0 [pid 6875] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] rmdir("./60/file1" [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = 1 [pid 6875] <... futex resumed>) = 1 [pid 6874] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(3, [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6877] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef41191000 [ 99.739235][ T6875] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 99.778950][ T6876] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5063] close(3 [pid 6876] <... mount resumed>) = 0 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 6875] chdir("./bus" [pid 6867] <... mprotect resumed>) = 0 [pid 5068] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./60" [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... chdir resumed>) = 0 [pid 6867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6876] <... futex resumed>) = 1 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 6867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] newfstatat(AT_FDCWD, "./61/bus", [pid 5063] <... rmdir resumed>) = 0 [pid 6876] unlink(NULL [pid 6875] <... futex resumed>) = 1 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] mkdir("./61", 0777 [pid 6876] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = 0 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6877] <... mount resumed>) = 0 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6880 attached [pid 6875] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... clone3 resumed> => {parent_tid=[6880]}, 88) = 6880 [pid 5068] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... mkdir resumed>) = 0 [pid 6880] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6876] <... futex resumed>) = 0 [pid 6875] <... open resumed>) = 3 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... sendfile resumed>) = 4 [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... openat resumed>) = 4 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6880] <... rseq resumed>) = 0 [pid 6876] chdir("./bus" [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 6869] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] newfstatat(4, "", [pid 6880] set_robust_list(0x7fef411b19a0, 24 [pid 6876] <... chdir resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6867] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6881 attached [pid 6880] <... set_robust_list resumed>) = 0 [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 6881] set_robust_list(0x555555f856a0, 24 [pid 6880] rt_sigprocmask(SIG_SETMASK, [], [pid 6877] <... futex resumed>) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 0 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6867] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6881 [pid 6881] <... set_robust_list resumed>) = 0 [pid 6880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6875] fcntl(-1, F_SETFL, O_RDONLY [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 6881] chdir("./61" [pid 6880] sendfile(3, 4, NULL, 281474978811911 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] <... open resumed>) = 3 [pid 6875] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] <... futex resumed>) = 0 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6881] <... chdir resumed>) = 0 [pid 6880] <... sendfile resumed>) = 0 [pid 6877] unlink(NULL [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = 0 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 6881] <... prctl resumed>) = 0 [pid 6880] <... futex resumed>) = 1 [pid 6877] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6875] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6870] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6881] setpgid(0, 0 [pid 6880] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... openat resumed>) = 4 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] exit_group(0 [pid 5068] unlink("./61/bus/file0" [pid 6881] <... setpgid resumed>) = 0 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6880] <... futex resumed>) = ? [pid 6877] chdir("./bus" [pid 6876] <... futex resumed>) = 1 [pid 6875] <... futex resumed>) = 0 [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 6870] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... futex resumed>) = ? [pid 6867] <... exit_group resumed>) = ? [pid 5068] <... unlink resumed>) = 0 [pid 6881] <... openat resumed>) = 3 [pid 6880] +++ exited with 0 +++ [pid 6877] <... chdir resumed>) = 0 [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] sendfile(4, 4, NULL, 7 [pid 6874] <... futex resumed>) = 0 [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6869] +++ exited with 0 +++ [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] <... futex resumed>) = 0 [pid 6870] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] +++ exited with 0 +++ [pid 6881] write(3, "1000", 4 [pid 6877] <... futex resumed>) = 0 [pid 6876] fcntl(-1, F_SETFL, O_RDONLY [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6881] <... write resumed>) = 4 [pid 6877] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6876] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 6881] close(3 [pid 6874] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6881] <... close resumed>) = 0 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 6881] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... close resumed>) = 0 [pid 6881] <... symlink resumed>) = 0 [pid 6876] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 5068] rmdir("./61/bus" [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... open resumed>) = 3 [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6881] <... futex resumed>) = 0 [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 99.797247][ T6877] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6871] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6881] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6877] <... futex resumed>) = 1 [pid 6876] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6874] <... futex resumed>) = 0 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... openat resumed>) = 4 [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = 0 [pid 5068] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(3, "", [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6877] fcntl(-1, F_SETFL, O_RDONLY [pid 6876] <... futex resumed>) = 1 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6877] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5065] getdents64(3, [pid 6881] <... mmap resumed>) = 0x7fef411b2000 [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6881] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6877] <... futex resumed>) = 1 [pid 6876] sendfile(4, 4, NULL, 7 [pid 6874] <... futex resumed>) = 0 [pid 6871] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] unlink("./61/binderfs" [pid 5065] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6881] <... mprotect resumed>) = 0 [pid 6877] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 6877] <... openat resumed>) = 4 [pid 6874] <... futex resumed>) = 0 [pid 5068] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6877] <... futex resumed>) = 1 [pid 6874] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6877] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 0 [pid 6877] sendfile(4, 4, NULL, 7 [pid 6874] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./61/file0", [pid 6881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6884 attached [pid 6881] <... clone3 resumed> => {parent_tid=[6884]}, 88) = 6884 [pid 6884] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053) = 0 [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] set_robust_list(0x7fef411d29a0, 24 [pid 5068] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6884] <... set_robust_list resumed>) = 0 [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = 4 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(4, "", [pid 5065] <... umount2 resumed>) = 0 [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6881] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] mkdir("./file0", 000 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] newfstatat(AT_FDCWD, "./60/bus", [pid 5068] getdents64(4, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6884] <... mkdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6884] <... futex resumed>) = 1 [pid 5068] rmdir("./61/file0" [pid 5065] <... openat resumed>) = 4 [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6881] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] <... sendfile resumed>) = 4 [pid 6870] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 6884] mkdir("./bus", 000 [pid 6875] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] newfstatat(AT_FDCWD, "./61/file1", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6875] <... futex resumed>) = 0 [pid 6870] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] <... mkdir resumed>) = 0 [pid 6870] <... mprotect resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./60/bus/file0", [pid 6870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] newfstatat(4, "", [pid 5065] unlink("./60/bus/file0"./strace-static-x86_64: Process 6887 attached [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 6887] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6884] mkdir("./file1", 000 [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... clone3 resumed> => {parent_tid=[6887]}, 88) = 6887 [pid 6887] <... rseq resumed>) = 0 [pid 6881] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] getdents64(4, [pid 5065] getdents64(4, [pid 6887] set_robust_list(0x7fef411b19a0, 24 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6887] <... set_robust_list resumed>) = 0 [pid 6884] <... mkdir resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x7fef41191000 [pid 6870] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(4 [pid 6887] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6870] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6871] <... mprotect resumed>) = 0 [pid 6870] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./61/file1/work", [pid 5065] rmdir("./60/bus" [pid 6887] sendfile(3, 4, NULL, 281474978811911 [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6887] <... sendfile resumed>) = 0 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = 0 [pid 6871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6884] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6887] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6888 attached [pid 6887] <... futex resumed>) = 1 [pid 6874] <... mmap resumed>) = 0x7fef41191000 [pid 6870] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6888] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6887] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6871] <... clone3 resumed> => {parent_tid=[6888]}, 88) = 6888 [pid 6870] exit_group(0 [pid 5068] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6888] <... rseq resumed>) = 0 [pid 6887] <... futex resumed>) = ? [pid 6875] <... futex resumed>) = ? [pid 6874] <... mprotect resumed>) = 0 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6870] <... exit_group resumed>) = ? [pid 5068] <... openat resumed>) = 5 [pid 5065] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6888] set_robust_list(0x7fef411b19a0, 24 [pid 6887] +++ exited with 0 +++ [pid 6875] +++ exited with 0 +++ [pid 6874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] newfstatat(5, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6888] <... set_robust_list resumed>) = 0 [pid 6874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6871] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] unlink("./60/binderfs" [pid 6888] rt_sigprocmask(SIG_SETMASK, [], [pid 6874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6871] <... futex resumed>) = 0 [pid 6888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6871] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(5, [pid 5065] <... unlink resumed>) = 0 [pid 6888] sendfile(3, 4, NULL, 281474978811911 [pid 6874] <... clone3 resumed> => {parent_tid=[6889]}, 88) = 6889 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(5, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6874] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(AT_FDCWD, "./60/file0", ./strace-static-x86_64: Process 6889 attached [pid 6874] <... futex resumed>) = 0 [pid 5068] close(5 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6870, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6889] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6874] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5065] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6889] <... rseq resumed>) = 0 [pid 5068] rmdir("./61/file1/work" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", [pid 5068] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 5061] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(AT_FDCWD, "./61/file1/index", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] newfstatat(3, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] getdents64(3, [pid 5068] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] close(4 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6889] set_robust_list(0x7fef411b19a0, 24 [pid 5068] <... openat resumed>) = 5 [pid 5065] <... close resumed>) = 0 [pid 6889] <... set_robust_list resumed>) = 0 [pid 6884] <... mount resumed>) = 0 [pid 5068] newfstatat(5, "", [pid 5065] rmdir("./60/file0" [pid 5061] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6889] sendfile(3, 4, NULL, 281474978811911 [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 5068] getdents64(5, [pid 6884] unlink(NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6881] <... futex resumed>) = 0 [pid 5065] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6884] <... futex resumed>) = 0 [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] chdir("./bus" [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] newfstatat(AT_FDCWD, "./60/file1", [pid 6884] <... chdir resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 5068] close(5 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6881] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rmdir("./61/file1/index" [pid 5065] <... openat resumed>) = 4 [pid 6884] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 6884] <... open resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5061] <... umount2 resumed>) = 0 [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./60/file1/work", [pid 6884] fcntl(-1, F_SETFL, O_RDONLY [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rmdir("./61/file1" [pid 6884] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] newfstatat(AT_FDCWD, "./59/bus", [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5065] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] <... sendfile resumed>) = 4 [pid 5068] close(3 [pid 6888] <... sendfile resumed>) = 4 [pid 6884] <... openat resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 5 [pid 5061] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 1 [pid 6881] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 5068] rmdir("./61" [pid 5065] newfstatat(5, "", [pid 5061] <... openat resumed>) = 4 [pid 6888] <... futex resumed>) = 0 [pid 6884] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 99.947140][ T6884] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6888] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] <... futex resumed>) = 0 [pid 6871] exit_group(0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] newfstatat(4, "", [pid 6888] <... futex resumed>) = ? [pid 6884] sendfile(4, 4, NULL, 7 [pid 6881] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] <... futex resumed>) = ? [pid 6871] <... exit_group resumed>) = ? [pid 5065] getdents64(5, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6888] +++ exited with 0 +++ [pid 6876] +++ exited with 0 +++ [pid 5068] mkdir("./62", 0777 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, [pid 6871] +++ exited with 0 +++ [pid 5068] <... mkdir resumed>) = 0 [pid 5065] getdents64(5, [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6871, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5061] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(5 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./60/file1/work" [pid 5061] newfstatat(AT_FDCWD, "./59/bus/file0", ./strace-static-x86_64: Process 6892 attached [pid 5065] <... rmdir resumed>) = 0 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6892] set_robust_list(0x555555f856a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6892 [pid 5062] <... restart_syscall resumed>) = 0 [pid 6892] <... set_robust_list resumed>) = 0 [pid 6892] chdir("./62" [pid 5065] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] unlink("./59/bus/file0" [pid 6892] <... chdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] newfstatat(AT_FDCWD, "./60/file1/index", [pid 5061] <... unlink resumed>) = 0 [pid 6892] <... prctl resumed>) = 0 [pid 5062] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6892] setpgid(0, 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] <... setpgid resumed>) = 0 [pid 5065] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... openat resumed>) = 3 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] newfstatat(3, "", [pid 5065] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] close(4 [pid 6892] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 5 [pid 5062] getdents64(3, [pid 5061] <... close resumed>) = 0 [pid 5065] newfstatat(5, "", [pid 5061] rmdir("./59/bus" [pid 6892] write(3, "1000", 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5061] <... rmdir resumed>) = 0 [pid 6892] <... write resumed>) = 4 [pid 5065] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6892] close(3 [pid 5065] getdents64(5, [pid 5062] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6892] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] symlink("/dev/binderfs", "./binderfs" [pid 5065] close(5 [pid 6892] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] rmdir("./60/file1/index" [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6892] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5061] unlink("./59/binderfs" [pid 6892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 6892] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5065] getdents64(4, [pid 5061] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6892] <... mprotect resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] newfstatat(AT_FDCWD, "./59/file0", [pid 6892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6893 attached [pid 5061] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6893] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6892] <... clone3 resumed> => {parent_tid=[6893]}, 88) = 6893 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6893] <... rseq resumed>) = 0 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] close(4 [pid 6893] set_robust_list(0x7fef411d29a0, 24 [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6893] <... set_robust_list resumed>) = 0 [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 6892] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] mkdir("./file0", 000 [pid 5065] rmdir("./60/file1" [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6893] <... mkdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5061] getdents64(4, [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6892] <... futex resumed>) = 0 [pid 5065] close(3 [pid 5062] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(4 [pid 6893] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6892] <... futex resumed>) = 0 [pid 6881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] rmdir("./60" [pid 6893] mkdir("./bus", 000 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./60/bus", [pid 5061] rmdir("./59/file0" [pid 6893] <... mkdir resumed>) = 0 [pid 6881] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... mmap resumed>) = 0x7fef41191000 [pid 5062] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6881] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6893] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... mprotect resumed>) = 0 [pid 5065] mkdir("./61", 0777 [pid 5062] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6892] <... futex resumed>) = 0 [pid 6881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... mkdir resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6893] mkdir("./file1", 000 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6893] <... mkdir resumed>) = 0 [pid 6889] <... sendfile resumed>) = 4 [pid 6877] <... sendfile resumed>) = 4 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] newfstatat(4, "", [pid 5061] newfstatat(AT_FDCWD, "./59/file1", ./strace-static-x86_64: Process 6896 attached [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6896] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6889] <... futex resumed>) = 0 [pid 6874] exit_group(0 [pid 5062] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6896] <... rseq resumed>) = 0 [pid 6893] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... clone3 resumed> => {parent_tid=[6896]}, 88) = 6896 [pid 6874] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6897 attached [pid 6896] set_robust_list(0x7fef411b19a0, 24 [pid 6877] <... futex resumed>) = ? [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] set_robust_list(0x555555f856a0, 24 [pid 6889] +++ exited with 0 +++ [pid 6877] +++ exited with 0 +++ [pid 6897] <... set_robust_list resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] <... futex resumed>) = 0 [pid 6897] chdir("./61" [pid 5061] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6897] <... chdir resumed>) = 0 [pid 5062] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] setpgid(0, 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6897 [pid 5061] <... openat resumed>) = 4 [pid 6897] <... setpgid resumed>) = 0 [pid 6896] <... set_robust_list resumed>) = 0 [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6896] rt_sigprocmask(SIG_SETMASK, [], [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] <... openat resumed>) = 3 [pid 6897] write(3, "1000", 4) = 4 [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] close(3 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] <... close resumed>) = 0 [pid 6897] symlink("/dev/binderfs", "./binderfs" [pid 6896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6881] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./60/bus/file0", [pid 5061] newfstatat(4, "", [pid 6896] sendfile(3, 4, NULL, 281474978811911 [pid 6881] <... futex resumed>) = 0 [pid 6881] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6897] <... symlink resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, 0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5062] unlink("./60/bus/file0" [pid 5061] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] newfstatat(AT_FDCWD, "./59/file1/work", [pid 6897] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 6893] <... mount resumed>) = 0 [pid 6874] +++ exited with 0 +++ [pid 5062] getdents64(4, [pid 5061] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6874, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6897] <... mprotect resumed>) = 0 [pid 6897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6899 attached [pid 6893] unlink(NULL [pid 6892] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5061] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6899] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6897] <... clone3 resumed> => {parent_tid=[6899]}, 88) = 6899 [pid 6893] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... close resumed>) = 0 [pid 5061] <... openat resumed>) = 5 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] <... rseq resumed>) = 0 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] set_robust_list(0x7fef411d29a0, 24 [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6899] <... set_robust_list resumed>) = 0 [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] rmdir("./60/bus" [pid 5061] newfstatat(5, "", [pid 5060] <... openat resumed>) = 3 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] <... futex resumed>) = 0 [pid 6893] chdir("./bus" [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6893] <... chdir resumed>) = 0 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] mkdir("./file0", 000 [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] getdents64(5, [pid 5060] newfstatat(3, "", [pid 6899] <... mkdir resumed>) = 0 [pid 6893] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6892] <... futex resumed>) = 0 [pid 5061] getdents64(5, [pid 6893] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(5 [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(3, [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5061] <... close resumed>) = 0 [pid 6899] mkdir("./bus", 000 [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] rmdir("./59/file1/work" [pid 6893] <... open resumed>) = 3 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6892] <... futex resumed>) = 0 [pid 5062] unlink("./60/binderfs" [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] fcntl(-1, F_SETFL, O_RDONLY [pid 6899] <... mkdir resumed>) = 0 [pid 6893] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6893] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6892] <... futex resumed>) = 0 [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(AT_FDCWD, "./60/file0", [pid 5061] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 100.089759][ T6893] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6899] mkdir("./file1", 000 [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5062] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./59/file1/index", [pid 6899] <... mkdir resumed>) = 0 [pid 6893] <... openat resumed>) = 4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6892] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 4 [pid 5061] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6893] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6881] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] newfstatat(4, "", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] sendfile(4, 4, NULL, 7 [pid 6892] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6899] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] <... openat resumed>) = 5 [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 6896] <... sendfile resumed>) = 4 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6896] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(5, "", [pid 6896] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6896] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] getdents64(4, [pid 5061] getdents64(5, [pid 6884] <... sendfile resumed>) = 4 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] close(4 [pid 5061] close(5 [pid 6884] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 5062] rmdir("./60/file0" [pid 5061] rmdir("./59/file1/index" [pid 6881] exit_group(0) = ? [pid 5061] <... rmdir resumed>) = 0 [pid 6896] <... futex resumed>) = ? [pid 5061] getdents64(4, [pid 6896] +++ exited with 0 +++ [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] close(4 [pid 5060] <... umount2 resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./59/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./59/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5060] umount2("./59/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./59/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./59/bus/file0" [pid 5062] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... unlink resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/file1", [pid 5061] rmdir("./59/file1" [pid 5060] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./59/bus" [pid 6884] +++ exited with 0 +++ [pid 6881] +++ exited with 0 +++ [pid 5062] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6899] <... mount resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6881, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(3, [pid 5060] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5063] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... openat resumed>) = 4 [pid 5061] close(3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(4, "", [pid 5063] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... close resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 3 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] rmdir("./59" [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5063] newfstatat(3, "", [pid 5062] getdents64(4, [pid 5060] unlink("./59/binderfs" [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 5063] getdents64(3, [pid 5062] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] mkdir("./60", 0777 [pid 6899] unlink(NULL [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5060] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6899] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./59/file0", [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6899] chdir("./bus" [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... chdir resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./60/file1/work", [pid 5061] <... mkdir resumed>) = 0 [pid 5060] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6899] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6899] <... open resumed>) = 3 [pid 6897] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... openat resumed>) = 4 [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] newfstatat(4, "", [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6899] fcntl(-1, F_SETFL, O_RDONLY [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6901 attached [pid 6899] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6901] set_robust_list(0x555555f856a0, 24 [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] <... openat resumed>) = 5 [pid 6901] <... set_robust_list resumed>) = 0 [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] chdir("./60" [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] newfstatat(5, "", [pid 6901] <... chdir resumed>) = 0 [pid 6899] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6899] <... openat resumed>) = 4 [pid 6892] <... mmap resumed>) = 0x7fef41191000 [pid 5063] <... umount2 resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6901 [pid 5060] close(4 [pid 6901] <... prctl resumed>) = 0 [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(5, [pid 5060] <... close resumed>) = 0 [pid 6901] setpgid(0, 0 [pid 6899] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./59/file0" [pid 6901] <... setpgid resumed>) = 0 [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(AT_FDCWD, "./61/bus", [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... rmdir resumed>) = 0 [pid 6901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6892] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] getdents64(5, [pid 6897] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6901] <... openat resumed>) = 3 [pid 6899] sendfile(4, 4, NULL, 7 [pid 6892] <... mprotect resumed>) = 0 [pid 5063] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(5 [pid 6901] write(3, "1000", 4 [pid 6892] <... rt_sigprocmask resumed>[], 8) = 0 [ 100.161166][ T6899] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5063] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... close resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6901] <... write resumed>) = 4 [pid 5063] <... openat resumed>) = 4 [pid 5060] newfstatat(AT_FDCWD, "./59/file1", [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] rmdir("./60/file1/work" [pid 6901] close(3 [pid 5063] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6901] <... close resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6901] symlink("/dev/binderfs", "./binderfs" [pid 5060] umount2("./59/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6901] <... symlink resumed>) = 0 [pid 5063] getdents64(4, [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6902 attached [pid 6902] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... clone3 resumed> => {parent_tid=[6902]}, 88) = 6902 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6902] <... rseq resumed>) = 0 [pid 6901] <... futex resumed>) = 0 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(AT_FDCWD, "./60/file1/index", [pid 5060] <... openat resumed>) = 4 [pid 6902] set_robust_list(0x7fef411b19a0, 24 [pid 6901] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(4, "", [pid 6902] <... set_robust_list resumed>) = 0 [pid 6901] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6902] rt_sigprocmask(SIG_SETMASK, [], [pid 6901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6892] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6902] sendfile(3, 4, NULL, 281474978811911 [pid 6892] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] getdents64(4, [pid 6901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] unlink("./61/bus/file0" [pid 5062] <... openat resumed>) = 5 [pid 6901] <... mmap resumed>) = 0x7fef411b2000 [pid 5063] <... unlink resumed>) = 0 [pid 5062] newfstatat(5, "", [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6901] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5063] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6901] <... mprotect resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] getdents64(5, [pid 6901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] close(4 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... close resumed>) = 0 [pid 6901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] rmdir("./61/bus" [pid 5062] getdents64(5, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./59/file1/work", ./strace-static-x86_64: Process 6904 attached [pid 6901] <... clone3 resumed> => {parent_tid=[6904]}, 88) = 6904 [pid 5063] <... rmdir resumed>) = 0 [pid 5062] close(5 [pid 6904] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6901] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6904] <... rseq resumed>) = 0 [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./59/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6904] set_robust_list(0x7fef411d29a0, 24 [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./60/file1/index" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6904] <... set_robust_list resumed>) = 0 [pid 6901] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6904] rt_sigprocmask(SIG_SETMASK, [], [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... rmdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./59/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6904] mkdir("./file0", 000 [pid 5062] getdents64(4, [pid 6904] <... mkdir resumed>) = 0 [pid 5063] unlink("./61/binderfs" [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 5 [pid 5063] <... unlink resumed>) = 0 [pid 5062] close(4 [pid 5060] newfstatat(5, "", [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(AT_FDCWD, "./61/file0", [pid 5062] rmdir("./60/file1" [pid 5060] getdents64(5, [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6904] mkdir("./bus", 000 [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6897] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(5, [pid 6897] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6904] <... mkdir resumed>) = 0 [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] getdents64(3, [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6897] <... mmap resumed>) = 0x7fef41191000 [pid 5063] <... openat resumed>) = 4 [pid 5060] close(5 [pid 6897] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(4, "", [pid 5060] <... close resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 6897] <... mprotect resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] close(3 [pid 5060] rmdir("./59/file1/work" [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] getdents64(4, [pid 5062] <... close resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6904] mkdir("./file1", 000 [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] getdents64(4, [pid 5062] rmdir("./60" [pid 6904] <... mkdir resumed>) = 0 [pid 6897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6892] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5063] close(4 [pid 6892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] mkdir("./61", 0777./strace-static-x86_64: Process 6905 attached [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 6897] <... clone3 resumed> => {parent_tid=[6905]}, 88) = 6905 [pid 5063] <... close resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6905] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] <... sendfile resumed>) = 4 [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] <... sendfile resumed>) = 4 [pid 5063] rmdir("./61/file0" [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6905] <... rseq resumed>) = 0 [pid 6902] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = 0 [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] exit_group(0./strace-static-x86_64: Process 6907 attached [pid 6905] set_robust_list(0x7fef411b19a0, 24 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] <... futex resumed>) = ? [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = ? [pid 6892] <... exit_group resumed>) = ? [pid 5063] <... rmdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./59/file1/index", [pid 6907] set_robust_list(0x555555f856a0, 24 [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6902] +++ exited with 0 +++ [pid 6897] <... futex resumed>) = 0 [pid 6893] +++ exited with 0 +++ [pid 5063] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6907] <... set_robust_list resumed>) = 0 [pid 6905] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] chdir("./61" [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] +++ exited with 0 +++ [pid 5063] newfstatat(AT_FDCWD, "./61/file1", [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6907 [pid 5060] umount2("./59/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6907] <... chdir resumed>) = 0 [pid 6905] sendfile(3, 4, NULL, 281474978811911 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6892, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5063] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] openat(AT_FDCWD, "./59/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6907] <... prctl resumed>) = 0 [pid 5068] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] setpgid(0, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] <... setpgid resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... openat resumed>) = 3 [pid 6907] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6907] write(3, "1000", 4 [pid 5068] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6907] <... write resumed>) = 4 [pid 6907] close(3) = 0 [pid 6907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5060] <... openat resumed>) = 5 [pid 5063] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 4 [pid 5060] newfstatat(5, "", [pid 5063] newfstatat(4, "", [pid 6907] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6907] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5063] getdents64(4, [pid 6907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 6907] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6904] <... mount resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(5, [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] newfstatat(AT_FDCWD, "./61/file1/work", [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5060] getdents64(5, ./strace-static-x86_64: Process 6909 attached [pid 5063] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6909] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6907] <... clone3 resumed> => {parent_tid=[6909]}, 88) = 6909 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(5 [pid 5063] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6909] <... rseq resumed>) = 0 [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... openat resumed>) = 5 [pid 5060] <... close resumed>) = 0 [pid 6909] set_robust_list(0x7fef411d29a0, 24 [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(5, "", [pid 5060] rmdir("./59/file1/index" [pid 6909] <... set_robust_list resumed>) = 0 [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6909] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] <... futex resumed>) = 0 [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] getdents64(5, [pid 6909] mkdir("./file0", 000 [pid 6901] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 6904] unlink(NULL [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6904] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6909] <... mkdir resumed>) = 0 [pid 5063] close(5 [pid 5060] close(4 [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 5068] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./61/file1/work" [pid 5060] rmdir("./59/file1" [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... rmdir resumed>) = 0 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] newfstatat(AT_FDCWD, "./62/bus", [pid 5063] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 6909] mkdir("./bus", 000 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] chdir("./bus" [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(3, [pid 5063] newfstatat(AT_FDCWD, "./61/file1/index", [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6909] <... mkdir resumed>) = 0 [pid 6904] <... chdir resumed>) = 0 [pid 5068] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6905] <... sendfile resumed>) = 4 [pid 5060] close(3 [pid 6905] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... sendfile resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 6899] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... close resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6905] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 6899] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... openat resumed>) = 4 [pid 5063] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] rmdir("./59" [pid 6904] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [ 100.311562][ T6904] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(4, "", [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... open resumed>) = 3 [pid 6897] exit_group(0 [pid 5063] <... openat resumed>) = 5 [pid 5060] <... rmdir resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6905] <... futex resumed>) = ? [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = ? [pid 6897] <... exit_group resumed>) = ? [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] newfstatat(5, "", [pid 5060] mkdir("./60", 0777 [pid 6909] mkdir("./file1", 000 [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] +++ exited with 0 +++ [pid 6904] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6909] <... mkdir resumed>) = 0 [pid 6907] <... futex resumed>) = 0 [pid 6904] fcntl(-1, F_SETFL, O_RDONLY [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] +++ exited with 0 +++ [pid 6897] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] getdents64(5, [pid 5060] <... mkdir resumed>) = 0 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] getdents64(5, [pid 6904] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6897, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6910 attached [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6910] set_robust_list(0x555555f856a0, 24 [pid 6904] <... futex resumed>) = 0 [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./62/bus/file0", [pid 5063] close(5 [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6910 [pid 6910] <... set_robust_list resumed>) = 0 [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6901] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... close resumed>) = 0 [pid 6910] chdir("./60" [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6904] <... openat resumed>) = 4 [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] unlink("./62/bus/file0" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] rmdir("./61/file1/index" [pid 6910] <... chdir resumed>) = 0 [pid 6909] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6910] <... prctl resumed>) = 0 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 6904] sendfile(4, 4, NULL, 7 [pid 6910] setpgid(0, 0 [pid 6901] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] newfstatat(3, "", [pid 5063] getdents64(4, [pid 6910] <... setpgid resumed>) = 0 [pid 6901] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] close(4 [pid 5065] getdents64(3, [pid 6910] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] close(4 [pid 5068] rmdir("./62/bus" [pid 5063] <... close resumed>) = 0 [pid 6910] write(3, "1000", 4 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./61/file1" [pid 6910] <... write resumed>) = 4 [pid 6910] close(3) = 0 [pid 6910] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5068] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(3, [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6910] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6910] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] unlink("./62/binderfs" [pid 5063] close(3) = 0 [pid 6910] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] rmdir("./61" [pid 6910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 6910] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5068] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] newfstatat(AT_FDCWD, "./62/file0", [pid 5063] mkdir("./62", 0777) = 0 [pid 6910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6910] <... clone3 resumed> => {parent_tid=[6913]}, 88) = 6913 [pid 5068] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6913 attached [pid 6910] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... openat resumed>) = 4 [pid 6913] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053) = 0 [pid 6910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] newfstatat(4, "", ./strace-static-x86_64: Process 6914 attached [pid 6913] set_robust_list(0x7fef411d29a0, 24 [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6914 [pid 5068] getdents64(4, [pid 6910] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 6914] set_robust_list(0x555555f856a0, 24 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6909] <... mount resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6913] rt_sigprocmask(SIG_SETMASK, [], [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... set_robust_list resumed>) = 0 [pid 6913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6913] mkdir("./file0", 000 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] close(4 [pid 6907] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./62/file0" [pid 5065] <... umount2 resumed>) = 0 [pid 6913] <... mkdir resumed>) = 0 [pid 6914] chdir("./62" [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 1 [pid 6901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6914] <... chdir resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6909] unlink(NULL [pid 6914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] <... prctl resumed>) = 0 [pid 6909] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6914] setpgid(0, 0 [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6909] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./61/bus", [pid 6914] <... setpgid resumed>) = 0 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6910] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 6901] <... mmap resumed>) = 0x7fef41191000 [pid 5068] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] chdir("./bus" [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] <... openat resumed>) = 3 [pid 6913] <... futex resumed>) = 0 [pid 6910] <... futex resumed>) = 1 [pid 6909] <... chdir resumed>) = 0 [pid 6901] <... mprotect resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./62/file1", [pid 5065] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6913] mkdir("./bus", 000 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(4, "", [pid 6913] <... mkdir resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6915 attached [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(4, [pid 6915] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6914] write(3, "1000", 4 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [ 100.396772][ T6909] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 6901] <... clone3 resumed> => {parent_tid=[6915]}, 88) = 6915 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6915] <... rseq resumed>) = 0 [pid 6914] <... write resumed>) = 4 [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] newfstatat(4, "", [pid 5065] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] set_robust_list(0x7fef411b19a0, 24 [pid 6914] close(3 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... set_robust_list resumed>) = 0 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6914] <... close resumed>) = 0 [pid 6913] mkdir("./file1", 000 [pid 6909] <... open resumed>) = 3 [pid 6901] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] symlink("/dev/binderfs", "./binderfs" [pid 6901] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] unlink("./61/bus/file0" [pid 6915] sendfile(3, 4, NULL, 281474978811911 [pid 6914] <... symlink resumed>) = 0 [pid 6913] <... mkdir resumed>) = 0 [pid 5068] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... unlink resumed>) = 0 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 6914] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./62/file1/work", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6914] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] close(4 [pid 6914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 6914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6913] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./61/bus" [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6910] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... rmdir resumed>) = 0 [pid 6914] <... mmap resumed>) = 0x7fef411b2000 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 5 [pid 6914] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6909] fcntl(-1, F_SETFL, O_RDONLY [pid 6914] <... mprotect resumed>) = 0 [pid 6909] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] newfstatat(5, "", [pid 5065] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6907] <... futex resumed>) = 0 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5068] close(5 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] unlink("./61/binderfs" [pid 5068] rmdir("./62/file1/work" [pid 5065] <... unlink resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./62/file1/index", [pid 5065] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./61/file0", [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5068] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(5, [pid 5065] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(5 [pid 5065] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5068] rmdir("./62/file1/index" [pid 5065] newfstatat(4, "", ./strace-static-x86_64: Process 6918 attached [pid 6914] <... clone3 resumed> => {parent_tid=[6918]}, 88) = 6918 [pid 6909] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5065] getdents64(4, [pid 5068] rmdir("./62/file1" [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 6918] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 6909] <... openat resumed>) = 4 [pid 6918] <... rseq resumed>) = 0 [pid 6918] set_robust_list(0x7fef411d29a0, 24 [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 1 [pid 5068] getdents64(3, [pid 5065] close(4 [pid 6918] rt_sigprocmask(SIG_SETMASK, [], [pid 6914] <... futex resumed>) = 0 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] mkdir("./file0", 000 [pid 6907] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] <... close resumed>) = 0 [pid 5068] close(3 [pid 5065] rmdir("./61/file0" [pid 6918] <... mkdir resumed>) = 0 [pid 6907] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6909] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 1 [pid 5068] rmdir("./62" [pid 5065] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6909] sendfile(4, 4, NULL, 7 [pid 6907] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./61/file1", [pid 6918] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 5068] mkdir("./63", 0777 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6918] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6918] mkdir("./bus", 000 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] newfstatat(4, "", [pid 6918] <... mkdir resumed>) = 0 [pid 6913] <... mount resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6919 attached [pid 6918] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./61/file1/work", [pid 6919] set_robust_list(0x555555f856a0, 24 [pid 6918] mkdir("./file1", 000 [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6919 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6919] <... set_robust_list resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 5065] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] chdir("./63" [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] unlink(NULL [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6918] <... mkdir resumed>) = 0 [pid 6913] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5065] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6919] <... chdir resumed>) = 0 [pid 6919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... openat resumed>) = 5 [pid 6919] <... prctl resumed>) = 0 [pid 6919] setpgid(0, 0) = 0 [pid 5065] newfstatat(5, "", [pid 6919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6919] <... openat resumed>) = 3 [pid 5065] getdents64(5, [pid 6919] write(3, "1000", 4 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6919] <... write resumed>) = 4 [pid 5065] getdents64(5, [pid 6919] close(3 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6919] <... close resumed>) = 0 [pid 5065] close(5 [pid 6919] symlink("/dev/binderfs", "./binderfs" [pid 5065] <... close resumed>) = 0 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... symlink resumed>) = 0 [pid 6918] <... futex resumed>) = 1 [pid 6915] <... sendfile resumed>) = 4 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6904] <... sendfile resumed>) = 4 [pid 5065] rmdir("./61/file1/work" [pid 6918] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... futex resumed>) = 0 [pid 6918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] <... futex resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [ 100.475919][ T6913] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6904] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6919] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6918] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6915] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] chdir("./bus" [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6913] <... chdir resumed>) = 0 [pid 6901] exit_group(0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] <... futex resumed>) = ? [pid 6901] <... exit_group resumed>) = ? [pid 5065] newfstatat(AT_FDCWD, "./61/file1/index", [pid 6915] <... futex resumed>) = ? [pid 6919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6904] +++ exited with 0 +++ [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6915] +++ exited with 0 +++ [pid 5065] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] <... mmap resumed>) = 0x7fef411b2000 [pid 6919] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6919] <... mprotect resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] +++ exited with 0 +++ [pid 6907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... openat resumed>) = 5 [pid 6919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6907] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(5, "", [pid 6919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6907] <... futex resumed>) = 0 [pid 6910] <... futex resumed>) = 0 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6901, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6921 attached [pid 6919] <... clone3 resumed> => {parent_tid=[6921]}, 88) = 6921 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6921] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6919] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] <... mmap resumed>) = 0x7fef41191000 [pid 6921] <... rseq resumed>) = 0 [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] getdents64(5, [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6921] set_robust_list(0x7fef411d29a0, 24 [pid 6913] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6907] <... mprotect resumed>) = 0 [pid 5065] getdents64(5, [pid 6921] <... set_robust_list resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6921] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] close(5 [pid 6921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] mkdir("./file0", 000 [pid 6913] <... open resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./61/file1/index" [pid 5061] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6921] <... mkdir resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] fcntl(-1, F_SETFL, O_RDONLY [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6913] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6922 attached [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] <... clone3 resumed> => {parent_tid=[6922]}, 88) = 6922 [pid 5065] getdents64(4, [pid 6922] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = 0 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6922] <... rseq resumed>) = 0 [pid 6921] mkdir("./bus", 000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] close(4 [pid 5061] newfstatat(3, "", [pid 6922] set_robust_list(0x7fef411b19a0, 24 [pid 6921] <... mkdir resumed>) = 0 [pid 6918] <... mount resumed>) = 0 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6922] <... set_robust_list resumed>) = 0 [pid 6913] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] rt_sigprocmask(SIG_SETMASK, [], [pid 6913] <... openat resumed>) = 4 [pid 5065] rmdir("./61/file1" [pid 6922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 6922] sendfile(3, 4, NULL, 281474978811911 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 5065] getdents64(3, [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6918] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] sendfile(4, 4, NULL, 7 [pid 6910] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] mkdir("./file1", 000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6918] unlink(NULL [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... mkdir resumed>) = 0 [pid 6918] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5065] close(3 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./61" [pid 6914] <... futex resumed>) = 0 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... futex resumed>) = 1 [pid 6918] chdir("./bus" [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... chdir resumed>) = 0 [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6914] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6918] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... open resumed>) = 3 [pid 6914] <... futex resumed>) = 0 [pid 5065] mkdir("./62", 0777 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 0 [ 100.549756][ T6918] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5065] <... mkdir resumed>) = 0 [pid 6918] <... futex resumed>) = 1 [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] fcntl(-1, F_SETFL, O_RDONLY [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./60/bus", [pid 6918] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6914] <... futex resumed>) = 0 [pid 5061] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6924 attached [pid 6918] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6924] set_robust_list(0x555555f856a0, 24 [pid 6922] <... sendfile resumed>) = 4 [pid 6918] <... openat resumed>) = 4 [pid 6914] <... futex resumed>) = 0 [pid 6909] <... sendfile resumed>) = 4 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6924 [pid 5061] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6924] <... set_robust_list resumed>) = 0 [pid 6922] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] chdir("./62" [pid 6922] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6909] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6924] <... chdir resumed>) = 0 [pid 6922] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] <... mount resumed>) = 0 [pid 6918] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] exit_group(0 [pid 5061] newfstatat(4, "", [pid 6924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6922] <... futex resumed>) = ? [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = ? [pid 6907] <... exit_group resumed>) = ? [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6924] <... prctl resumed>) = 0 [pid 6922] +++ exited with 0 +++ [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6918] sendfile(4, 4, NULL, 7 [pid 6914] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] +++ exited with 0 +++ [pid 5061] getdents64(4, [pid 6921] unlink(NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6919] <... futex resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6924] setpgid(0, 0 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] <... setpgid resumed>) = 0 [pid 6921] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6907, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5061] newfstatat(AT_FDCWD, "./60/bus/file0", [pid 6924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6910] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] chdir("./bus" [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6924] <... openat resumed>) = 3 [pid 6921] <... chdir resumed>) = 0 [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] unlink("./60/bus/file0" [pid 6924] write(3, "1000", 4 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... mmap resumed>) = 0x7fef41191000 [pid 6910] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6910] <... mprotect resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 6924] <... write resumed>) = 4 [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 6924] close(3 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6924] <... close resumed>) = 0 [pid 6921] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6926 attached [pid 6924] symlink("/dev/binderfs", "./binderfs" [pid 6926] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6910] <... clone3 resumed> => {parent_tid=[6926]}, 88) = 6926 [pid 6926] <... rseq resumed>) = 0 [pid 6921] <... open resumed>) = 3 [pid 6910] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] <... symlink resumed>) = 0 [pid 5061] close(4 [pid 5062] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6926] set_robust_list(0x7fef411b19a0, 24 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... close resumed>) = 0 [pid 6926] <... set_robust_list resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6910] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [pid 5061] rmdir("./60/bus" [pid 6926] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6910] <... futex resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 6926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 6926] sendfile(3, 4, NULL, 281474978811911 [pid 6924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6919] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 1 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] fcntl(-1, F_SETFL, O_RDONLY [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6921] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] <... futex resumed>) = 0 [pid 5062] getdents64(3, [pid 5061] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6924] <... mmap resumed>) = 0x7fef411b2000 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6921] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6924] <... mprotect resumed>) = 0 [pid 6921] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] unlink("./60/binderfs" [pid 6919] <... futex resumed>) = 0 [ 100.607781][ T6921] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6921] <... openat resumed>) = 4 [pid 5061] <... unlink resumed>) = 0 [pid 6924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6921] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6928 attached [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(AT_FDCWD, "./60/file0", [pid 6928] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6924] <... clone3 resumed> => {parent_tid=[6928]}, 88) = 6928 [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6928] <... rseq resumed>) = 0 [pid 6924] rt_sigprocmask(SIG_SETMASK, [], [pid 6921] sendfile(4, 4, NULL, 7 [pid 6919] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] set_robust_list(0x7fef411d29a0, 24 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... set_robust_list resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6928] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... openat resumed>) = 4 [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 6928] mkdir("./file0", 000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 6914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6914] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./61/bus", [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, [pid 6914] <... mmap resumed>) = 0x7fef41191000 [pid 6914] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6914] <... mprotect resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(4 [pid 6914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... close resumed>) = 0 [pid 6914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6928] <... mkdir resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] newfstatat(4, "", [pid 5061] rmdir("./60/file0"./strace-static-x86_64: Process 6929 attached [pid 6928] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... clone3 resumed> => {parent_tid=[6929]}, 88) = 6929 [pid 6929] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6928] mkdir("./bus", 000 [pid 6924] <... futex resumed>) = 0 [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] getdents64(4, [pid 5061] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6928] <... mkdir resumed>) = 0 [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] newfstatat(AT_FDCWD, "./60/file1", [pid 6929] <... rseq resumed>) = 0 [pid 6914] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] set_robust_list(0x7fef411b19a0, 24 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6929] <... set_robust_list resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 6929] rt_sigprocmask(SIG_SETMASK, [], [pid 6914] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] sendfile(3, 4, NULL, 281474978811911 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] unlink("./61/bus/file0" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] mkdir("./file1", 000 [pid 6924] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] newfstatat(4, "", [pid 6928] <... mkdir resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] getdents64(4, [pid 5062] close(4 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./61/bus" [pid 5061] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6928] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./60/file1/work", [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6928] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 5062] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] unlink("./61/binderfs" [pid 5061] <... openat resumed>) = 5 [pid 5062] <... unlink resumed>) = 0 [pid 5061] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(5, [pid 5062] newfstatat(AT_FDCWD, "./61/file0", [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(5, [pid 5062] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(5 [pid 5062] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... close resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5061] rmdir("./60/file1/work" [pid 5062] newfstatat(4, "", [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./61/file0" [pid 5061] newfstatat(AT_FDCWD, "./60/file1/index", [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/file1", [pid 5061] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... openat resumed>) = 5 [pid 5062] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(5, "", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] getdents64(5, [pid 5062] newfstatat(4, "", [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(5, [pid 5062] getdents64(4, [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] close(5 [pid 5062] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] rmdir("./60/file1/index" [pid 5062] newfstatat(AT_FDCWD, "./61/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5061] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6928] <... mount resumed>) = 0 [pid 6919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] newfstatat(5, "", [pid 5061] close(4 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6928] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = 0 [pid 5062] getdents64(5, [pid 5061] <... close resumed>) = 0 [pid 6928] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] rmdir("./60/file1" [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... sendfile resumed>) = 4 [pid 6924] <... futex resumed>) = 0 [pid 6919] <... mmap resumed>) = 0x7fef41191000 [pid 6913] <... sendfile resumed>) = 4 [pid 6928] unlink(NULL [pid 6926] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6926] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6913] <... futex resumed>) = 0 [pid 6910] exit_group(0 [pid 5061] <... rmdir resumed>) = 0 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... mprotect resumed>) = 0 [pid 6910] <... exit_group resumed>) = ? [pid 5062] getdents64(5, [pid 6928] <... futex resumed>) = 1 [pid 6926] +++ exited with 0 +++ [pid 6924] <... futex resumed>) = 0 [pid 6919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6913] +++ exited with 0 +++ [pid 6910] +++ exited with 0 +++ [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5061] getdents64(3, [pid 6928] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] close(5 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6910, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] <... futex resumed>) = 0 [pid 6919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... close resumed>) = 0 [pid 5061] close(3./strace-static-x86_64: Process 6931 attached [pid 6928] chdir("./bus" [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] rmdir("./61/file1/work" [pid 6931] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6928] <... chdir resumed>) = 0 [pid 6919] <... clone3 resumed> => {parent_tid=[6931]}, 88) = 6931 [pid 5061] <... close resumed>) = 0 [pid 6931] <... rseq resumed>) = 0 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... rmdir resumed>) = 0 [pid 5061] rmdir("./60" [pid 6931] set_robust_list(0x7fef411b19a0, 24 [pid 6928] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6931] <... set_robust_list resumed>) = 0 [pid 6928] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] rt_sigprocmask(SIG_SETMASK, [], [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = 0 [pid 6931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6928] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5060] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6931] sendfile(3, 4, NULL, 281474978811911 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... open resumed>) = 3 [pid 5062] newfstatat(AT_FDCWD, "./61/file1/index", [pid 5061] mkdir("./61", 0777 [pid 5060] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... openat resumed>) = 3 [pid 5060] newfstatat(3, "", [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6928] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... mkdir resumed>) = 0 [pid 5060] getdents64(3, [pid 6928] fcntl(-1, F_SETFL, O_RDONLY [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6924] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... openat resumed>) = 4 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 5 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6928] <... futex resumed>) = 1 [pid 5062] newfstatat(5, "", [pid 6928] sendfile(4, 4, NULL, 7 [pid 6924] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6932 attached [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6932] set_robust_list(0x555555f856a0, 24 [pid 5062] getdents64(5, [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6932 [ 100.725204][ T6928] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6924] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6932] <... set_robust_list resumed>) = 0 [pid 6932] chdir("./61" [pid 5062] getdents64(5, [pid 6932] <... chdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5062] close(5 [pid 6932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./61/file1/index" [pid 6932] setpgid(0, 0) = 0 [pid 6932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... rmdir resumed>) = 0 [pid 5062] getdents64(4, [pid 6932] <... openat resumed>) = 3 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5060] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6932] write(3, "1000", 4 [pid 5062] <... close resumed>) = 0 [pid 6932] <... write resumed>) = 4 [pid 5060] newfstatat(AT_FDCWD, "./60/bus", [pid 5062] rmdir("./61/file1" [pid 6932] close(3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6932] <... close resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] umount2("./60/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6932] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5062] getdents64(3, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5062] close(3 [pid 5060] <... openat resumed>) = 4 [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 6932] <... futex resumed>) = 0 [pid 5062] rmdir("./61" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6932] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5060] umount2("./60/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5062] mkdir("./62", 0777 [pid 6932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 6932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] newfstatat(AT_FDCWD, "./60/bus/file0", [pid 6932] <... mmap resumed>) = 0x7fef411b2000 [pid 6932] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6932] <... mprotect resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] unlink("./60/bus/file0" [pid 6932] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6934 attached [], 8) = 0 [pid 6929] <... sendfile resumed>) = 4 [pid 6918] <... sendfile resumed>) = 4 [pid 5060] <... unlink resumed>) = 0 [pid 6934] set_robust_list(0x555555f856a0, 24 [pid 6932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6929] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... set_robust_list resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6918] <... futex resumed>) = 0 [pid 6934] chdir("./62" [pid 6929] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6936 attached [pid 6934] <... chdir resumed>) = 0 [pid 6914] exit_group(0 [pid 6936] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6932] <... clone3 resumed> => {parent_tid=[6936]}, 88) = 6936 [pid 6929] <... futex resumed>) = ? [pid 6918] <... futex resumed>) = ? [pid 6914] <... exit_group resumed>) = ? [pid 5060] getdents64(4, [pid 6936] <... rseq resumed>) = 0 [pid 6934] <... prctl resumed>) = 0 [pid 6932] rt_sigprocmask(SIG_SETMASK, [], [pid 6929] +++ exited with 0 +++ [pid 6924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6934 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6936] set_robust_list(0x7fef411d29a0, 24 [pid 6934] setpgid(0, 0 [pid 6932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(4 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6934] <... setpgid resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 6924] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... close resumed>) = 0 [pid 6936] rt_sigprocmask(SIG_SETMASK, [], [pid 6934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... futex resumed>) = 0 [pid 6918] +++ exited with 0 +++ [pid 6914] +++ exited with 0 +++ [pid 5060] rmdir("./60/bus" [pid 6936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6934] <... openat resumed>) = 3 [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6936] mkdir("./file0", 000 [pid 6934] write(3, "1000", 4 [pid 6924] <... mmap resumed>) = 0x7fef41191000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6914, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6934] <... write resumed>) = 4 [pid 6924] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5063] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6934] close(3 [pid 6924] <... mprotect resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6934] <... close resumed>) = 0 [pid 6924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6936] <... mkdir resumed>) = 0 [pid 6934] symlink("/dev/binderfs", "./binderfs" [pid 6924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] newfstatat(3, "", [pid 5060] newfstatat(AT_FDCWD, "./60/binderfs", ./strace-static-x86_64: Process 6937 attached [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... symlink resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6937] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6936] <... futex resumed>) = 1 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 0 [pid 6924] <... clone3 resumed> => {parent_tid=[6937]}, 88) = 6937 [pid 6937] <... rseq resumed>) = 0 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... futex resumed>) = 0 [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] getdents64(3, [pid 5060] unlink("./60/binderfs" [pid 6937] set_robust_list(0x7fef411b19a0, 24 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6932] <... futex resumed>) = 0 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6937] <... set_robust_list resumed>) = 0 [pid 6936] mkdir("./bus", 000 [pid 6934] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... unlink resumed>) = 0 [pid 6937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6936] <... mkdir resumed>) = 0 [pid 6934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6924] <... futex resumed>) = 0 [pid 6937] sendfile(3, 4, NULL, 281474978811911 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6924] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6936] <... futex resumed>) = 1 [pid 6934] <... mmap resumed>) = 0x7fef411b2000 [pid 6932] <... futex resumed>) = 0 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(AT_FDCWD, "./60/file0", [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... mprotect resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6936] mkdir("./file1", 000 [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6936] <... mkdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6938 attached [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6938] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6934] <... clone3 resumed> => {parent_tid=[6938]}, 88) = 6938 [pid 5060] <... openat resumed>) = 4 [pid 6938] <... rseq resumed>) = 0 [pid 6936] <... futex resumed>) = 1 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6932] <... futex resumed>) = 0 [pid 6938] set_robust_list(0x7fef411d29a0, 24 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(4, "", [pid 6938] <... set_robust_list resumed>) = 0 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = 0 [pid 6938] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6934] <... futex resumed>) = 0 [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(4, [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5063] newfstatat(AT_FDCWD, "./62/bus", [pid 5060] getdents64(4, [pid 6938] mkdir("./file0", 000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6938] <... mkdir resumed>) = 0 [pid 5063] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] close(4 [pid 5063] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./60/file0" [pid 5063] <... openat resumed>) = 4 [pid 5060] <... rmdir resumed>) = 0 [pid 5063] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5060] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./60/file1", [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] newfstatat(AT_FDCWD, "./62/bus/file0", {st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./60/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] unlink("./62/bus/file0" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... unlink resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", [pid 5063] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6938] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 5063] close(4 [pid 5060] getdents64(4, [pid 5063] <... close resumed>) = 0 [pid 5063] rmdir("./62/bus" [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5063] <... rmdir resumed>) = 0 [pid 5060] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./60/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./60/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./60/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 5060] <... openat resumed>) = 5 [pid 6938] mkdir("./bus", 000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(5, "", [pid 6938] <... mkdir resumed>) = 0 [pid 5063] unlink("./62/binderfs" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... unlink resumed>) = 0 [pid 5060] getdents64(5, [pid 6938] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6938] mkdir("./file1", 000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6938] <... mkdir resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(5, [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... mount resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./62/file0", [pid 6938] <... futex resumed>) = 1 [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6936] <... futex resumed>) = 1 [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 0 [pid 5063] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(5 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... futex resumed>) = 0 [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6938] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 6936] unlink(NULL [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] rmdir("./60/file1/work" [pid 6936] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5063] newfstatat(4, "", [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 5063] getdents64(4, [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6936] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 1 [pid 5063] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6936] chdir("./bus" [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] <... chdir resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./60/file1/index", [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] close(4 [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [ 100.893543][ T6936] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5063] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./62/file0" [pid 6932] <... futex resumed>) = 0 [pid 5060] umount2("./60/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] openat(AT_FDCWD, "./60/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... openat resumed>) = 5 [pid 5063] newfstatat(AT_FDCWD, "./62/file1", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(5, [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... openat resumed>) = 4 [pid 6936] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5060] getdents64(5, [pid 5063] newfstatat(4, "", [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] close(5 [pid 5063] getdents64(4, 0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] <... close resumed>) = 0 [pid 6936] <... open resumed>) = 3 [pid 5063] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] rmdir("./60/file1/index" [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... sendfile resumed>) = 4 [pid 6921] <... sendfile resumed>) = 4 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 6931] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./62/file1/work", [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = 0 [pid 6921] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] getdents64(4, [pid 6936] fcntl(-1, F_SETFL, O_RDONLY [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] exit_group(0 [pid 6936] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... futex resumed>) = ? [pid 6921] <... futex resumed>) = ? [pid 6919] <... exit_group resumed>) = ? [pid 5063] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] +++ exited with 0 +++ [pid 6921] +++ exited with 0 +++ [pid 6919] +++ exited with 0 +++ [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6938] <... mount resumed>) = 0 [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] close(4 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 5 [pid 5060] <... close resumed>) = 0 [pid 6938] <... futex resumed>) = 1 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6936] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(5, "", [pid 5060] rmdir("./60/file1" [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] <... openat resumed>) = 4 [pid 6934] <... futex resumed>) = 0 [pid 5068] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6938] unlink(NULL [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... rmdir resumed>) = 0 [pid 6938] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] getdents64(5, [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6938] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6938] chdir("./bus" [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... chdir resumed>) = 0 [pid 6932] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(3, [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 1 [pid 5068] newfstatat(3, "", [pid 5063] getdents64(5, [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6938] <... futex resumed>) = 1 [pid 6936] sendfile(4, 4, NULL, 7 [pid 6934] <... futex resumed>) = 0 [pid 6932] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] close(3 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5063] close(5 [pid 5060] <... close resumed>) = 0 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6938] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... close resumed>) = 0 [pid 5060] rmdir("./60" [pid 6938] <... open resumed>) = 3 [pid 5063] rmdir("./62/file1/work" [pid 5060] <... rmdir resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 5060] mkdir("./61", 0777 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... mkdir resumed>) = 0 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6938] fcntl(-1, F_SETFL, O_RDONLY [pid 5063] newfstatat(AT_FDCWD, "./62/file1/index", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 100.937665][ T6938] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5063] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6938] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6941 attached [pid 6938] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] set_robust_list(0x555555f856a0, 24 [pid 5063] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6941 [pid 6941] <... set_robust_list resumed>) = 0 [pid 6938] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 1 [pid 6941] chdir("./61" [pid 6938] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = 5 [pid 6938] <... openat resumed>) = 4 [pid 5063] newfstatat(5, "", [pid 6941] <... chdir resumed>) = 0 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6938] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6941] <... prctl resumed>) = 0 [pid 6938] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6941] setpgid(0, 0 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6941] <... setpgid resumed>) = 0 [pid 6938] sendfile(4, 4, NULL, 7 [pid 6934] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] getdents64(5, [pid 6941] <... openat resumed>) = 3 [pid 6941] write(3, "1000", 4 [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6941] <... write resumed>) = 4 [pid 5068] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] getdents64(5, [pid 6941] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6941] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./63/bus", [pid 5063] close(5 [pid 6941] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... close resumed>) = 0 [pid 5068] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./62/file1/index" [pid 6941] <... symlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... rmdir resumed>) = 0 [pid 6941] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] <... openat resumed>) = 4 [pid 6941] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(4, [pid 5068] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6932] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./63/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6937] <... sendfile resumed>) = 4 [pid 6932] <... futex resumed>) = 0 [pid 6928] <... sendfile resumed>) = 4 [pid 5063] close(4 [pid 6941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6937] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6928] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... close resumed>) = 0 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6937] <... futex resumed>) = 0 [pid 6932] <... mmap resumed>) = 0x7fef41191000 [pid 6928] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./63/bus/file0", [pid 5063] rmdir("./62/file1" [pid 6941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6937] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6928] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6941] <... mmap resumed>) = 0x7fef411b2000 [pid 6932] <... mprotect resumed>) = 0 [pid 6924] exit_group(0 [pid 6941] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6924] <... exit_group resumed>) = ? [pid 6937] <... futex resumed>) = ? [pid 6928] <... futex resumed>) = ? [pid 6937] +++ exited with 0 +++ [pid 6932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] unlink("./63/bus/file0" [pid 6932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5063] getdents64(3, [pid 6932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6928] +++ exited with 0 +++ [pid 6924] +++ exited with 0 +++ [pid 6941] <... mprotect resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6944 attached [pid 6941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] getdents64(4, [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6924, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5063] close(3 [pid 6944] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6932] <... clone3 resumed> => {parent_tid=[6944]}, 88) = 6944 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5063] <... close resumed>) = 0 [pid 6944] <... rseq resumed>) = 0 [pid 6941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6932] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] close(4 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5063] rmdir("./62"./strace-static-x86_64: Process 6945 attached [pid 6944] set_robust_list(0x7fef411b19a0, 24 [pid 6932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... close resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6945] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6944] <... set_robust_list resumed>) = 0 [pid 6941] <... clone3 resumed> => {parent_tid=[6945]}, 88) = 6945 [pid 6932] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] rt_sigprocmask(SIG_SETMASK, [], [pid 6941] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] sendfile(3, 4, NULL, 281474978811911 [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... rseq resumed>) = 0 [pid 6941] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 5068] rmdir("./63/bus" [pid 5063] mkdir("./63", 0777 [pid 6945] set_robust_list(0x7fef411d29a0, 24 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 6945] <... set_robust_list resumed>) = 0 [pid 5065] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... mkdir resumed>) = 0 [pid 6945] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6945] mkdir("./file0", 000 [pid 5068] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 6945] <... mkdir resumed>) = 0 [pid 6934] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(3, "", [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6934] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6946 attached [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(3, [pid 6934] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] unlink("./63/binderfs" [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6946] set_robust_list(0x555555f856a0, 24 [pid 6934] <... mprotect resumed>) = 0 [pid 6946] <... set_robust_list resumed>) = 0 [pid 6946] chdir("./63" [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... unlink resumed>) = 0 [pid 5065] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] <... chdir resumed>) = 0 [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6946 [pid 6945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] <... futex resumed>) = 0 [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6947 attached [pid 6945] mkdir("./bus", 000 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./63/file0", [pid 6947] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6934] <... clone3 resumed> => {parent_tid=[6947]}, 88) = 6947 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6947] <... rseq resumed>) = 0 [pid 6946] <... prctl resumed>) = 0 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6947] set_robust_list(0x7fef411b19a0, 24 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6947] rt_sigprocmask(SIG_SETMASK, [], [pid 6946] setpgid(0, 0 [pid 6934] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6946] <... setpgid resumed>) = 0 [pid 6934] <... futex resumed>) = 0 [pid 6947] sendfile(3, 4, NULL, 281474978811911 [pid 6934] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6945] <... mkdir resumed>) = 0 [pid 5068] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6946] <... openat resumed>) = 3 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 6946] write(3, "1000", 4 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6946] <... write resumed>) = 4 [pid 6945] mkdir("./file1", 000 [pid 6946] close(3 [pid 6945] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] <... umount2 resumed>) = 0 [pid 6946] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6946] symlink("/dev/binderfs", "./binderfs" [pid 5068] close(4 [pid 5065] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] <... symlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./63/file0" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... futex resumed>) = 0 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./62/bus", [pid 6946] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6946] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] <... futex resumed>) = 0 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 5068] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... mprotect resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./63/file1", [pid 5065] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(4, "", [pid 6946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6949 attached [pid 5068] openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6949] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6946] <... clone3 resumed> => {parent_tid=[6949]}, 88) = 6949 [pid 5068] <... openat resumed>) = 4 [pid 5065] getdents64(4, [pid 6949] <... rseq resumed>) = 0 [pid 6946] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] newfstatat(4, "", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6949] set_robust_list(0x7fef411d29a0, 24 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6949] <... set_robust_list resumed>) = 0 [pid 5065] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6949] rt_sigprocmask(SIG_SETMASK, [], [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 6932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6946] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6949] mkdir("./file0", 000 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./62/bus/file0", [pid 6949] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(AT_FDCWD, "./63/file1/work", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./62/bus/file0" [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... unlink resumed>) = 0 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./63/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(4, [pid 5068] <... openat resumed>) = 5 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] close(4 [pid 5068] newfstatat(5, "", [pid 5065] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] rmdir("./62/bus" [pid 5068] getdents64(5, [pid 5065] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5068] close(5 [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... mount resumed>) = 0 [pid 6944] <... sendfile resumed>) = 4 [pid 6936] <... sendfile resumed>) = 4 [pid 6934] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6949] <... futex resumed>) = 0 [pid 6946] <... futex resumed>) = 1 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] exit_group(0 [pid 5068] <... close resumed>) = 0 [pid 6949] mkdir("./bus", 000 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... futex resumed>) = 1 [pid 6932] <... exit_group resumed>) = ? [pid 5068] rmdir("./63/file1/work" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] <... futex resumed>) = ? [pid 6941] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6949] <... mkdir resumed>) = 0 [pid 6944] +++ exited with 0 +++ [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = ? [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6941] <... futex resumed>) = 1 [pid 6945] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] unlink("./62/binderfs" [pid 6945] unlink(NULL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... unlink resumed>) = 0 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5068] newfstatat(AT_FDCWD, "./63/file1/index", [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6936] +++ exited with 0 +++ [pid 6932] +++ exited with 0 +++ [pid 5068] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6945] chdir("./bus" [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./62/file0", [pid 6949] mkdir("./file1", 000 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... chdir resumed>) = 0 [pid 6941] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./63/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 5 [pid 5065] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6932, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6945] <... futex resumed>) = 0 [pid 5068] newfstatat(5, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... restart_syscall resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] newfstatat(4, "", [pid 5068] getdents64(5, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] getdents64(4, [pid 5061] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(5 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 5068] rmdir("./63/file1/index" [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] close(4 [pid 6949] <... mkdir resumed>) = 0 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... close resumed>) = 0 [pid 5061] newfstatat(3, "", [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] rmdir("./62/file0" [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 0 [pid 6941] <... futex resumed>) = 1 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6945] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 5065] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(3, [pid 6949] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... open resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5068] rmdir("./63/file1" [ 101.103899][ T6945] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5061] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./62/file1", [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6945] <... futex resumed>) = 1 [pid 5068] getdents64(3, [pid 5065] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6945] <... futex resumed>) = 0 [pid 6941] <... futex resumed>) = 1 [pid 5065] <... openat resumed>) = 4 [pid 6945] fcntl(-1, F_SETFL, O_RDONLY [pid 5065] newfstatat(4, "", [pid 6945] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] getdents64(4, [pid 6945] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6945] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6941] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6945] <... openat resumed>) = 4 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5065] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./63" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] sendfile(4, 4, NULL, 7 [pid 6941] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./62/file1/work", [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] mkdir("./64", 0777 [pid 5065] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5065] newfstatat(5, "", [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(5, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] close(5) = 0 [pid 5065] rmdir("./62/file1/work") = 0 [pid 6941] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6952 [pid 5065] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./62/file1/index", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5065] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6952 attached [pid 5065] getdents64(5, [pid 6952] set_robust_list(0x555555f856a0, 24) = 0 [pid 6952] chdir("./64" [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6952] <... chdir resumed>) = 0 [pid 5065] close(5 [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] <... close resumed>) = 0 [pid 6952] setpgid(0, 0 [pid 5065] rmdir("./62/file1/index" [pid 5061] <... umount2 resumed>) = 0 [pid 6952] <... setpgid resumed>) = 0 [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... rmdir resumed>) = 0 [pid 6952] <... openat resumed>) = 3 [pid 5061] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(4, [pid 6946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6946] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] write(3, "1000", 4 [pid 6949] <... mount resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 5065] close(4 [pid 5061] newfstatat(AT_FDCWD, "./61/bus", [pid 6952] <... write resumed>) = 4 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... close resumed>) = 0 [pid 6952] close(3 [pid 6949] <... futex resumed>) = 0 [pid 6946] <... mmap resumed>) = 0x7fef41191000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6952] <... close resumed>) = 0 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] rmdir("./62/file1" [pid 6952] symlink("/dev/binderfs", "./binderfs" [pid 6946] <... mprotect resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5061] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6952] <... symlink resumed>) = 0 [pid 6946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] getdents64(3, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] <... futex resumed>) = 0 [pid 6946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5061] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6953 attached [pid 6952] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5065] close(3 [pid 6953] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6946] <... clone3 resumed> => {parent_tid=[6953]}, 88) = 6953 [pid 5065] <... close resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6953] <... rseq resumed>) = 0 [pid 6952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6946] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] rmdir("./62" [pid 6953] set_robust_list(0x7fef411b19a0, 24 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] newfstatat(4, "", [pid 6953] <... set_robust_list resumed>) = 0 [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6946] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 6953] rt_sigprocmask(SIG_SETMASK, [], [pid 6952] <... mmap resumed>) = 0x7fef411b2000 [pid 6946] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6946] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(4, [pid 6953] unlink(NULL [pid 6952] <... mprotect resumed>) = 0 [pid 5065] mkdir("./63", 0777 [pid 6953] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6953] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... mkdir resumed>) = 0 [pid 6953] <... futex resumed>) = 0 [pid 6953] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6947] <... sendfile resumed>) = 4 [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... sendfile resumed>) = 4 [pid 5061] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6954 attached [pid 6949] <... futex resumed>) = 0 [pid 6947] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = 1 [pid 6938] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6954] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6952] <... clone3 resumed> => {parent_tid=[6954]}, 88) = 6954 [pid 6949] chdir("./bus" [pid 6947] <... futex resumed>) = 0 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... futex resumed>) = 0 [pid 6934] exit_group(0 [pid 5061] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 6954] <... rseq resumed>) = 0 [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6949] <... chdir resumed>) = 0 [pid 6934] <... exit_group resumed>) = ? [pid 6947] +++ exited with 0 +++ [pid 6938] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6956 [pid 6934] +++ exited with 0 +++ ./strace-static-x86_64: Process 6956 attached [pid 6954] set_robust_list(0x7fef411d29a0, 24 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] set_robust_list(0x555555f856a0, 24 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [ 101.183152][ T6949] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6934, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6956] <... set_robust_list resumed>) = 0 [pid 6954] rt_sigprocmask(SIG_SETMASK, [], [pid 6952] <... futex resumed>) = 0 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5061] unlink("./61/bus/file0" [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6956] chdir("./63" [pid 5062] <... restart_syscall resumed>) = 0 [pid 6956] <... chdir resumed>) = 0 [pid 6954] mkdir("./file0", 000 [pid 6949] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... unlink resumed>) = 0 [pid 6956] <... prctl resumed>) = 0 [pid 5062] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6954] <... mkdir resumed>) = 0 [pid 6949] <... open resumed>) = 3 [pid 5062] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6956] setpgid(0, 0) = 0 [pid 6941] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 6956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 6956] <... openat resumed>) = 3 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6956] write(3, "1000", 4 [pid 6954] mkdir("./bus", 000 [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... mmap resumed>) = 0x7fef41191000 [pid 5062] newfstatat(3, "", [pid 5061] close(4 [pid 6956] <... write resumed>) = 4 [pid 6952] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6941] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6954] <... mkdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... close resumed>) = 0 [pid 6956] close(3 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... mprotect resumed>) = 0 [pid 6956] <... close resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] getdents64(3, [pid 6956] symlink("/dev/binderfs", "./binderfs" [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] rmdir("./61/bus" [pid 6956] <... symlink resumed>) = 0 [pid 6941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 ./strace-static-x86_64: Process 6957 attached [pid 5062] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6957] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6949] fcntl(-1, F_SETFL, O_RDONLY [pid 6941] <... clone3 resumed> => {parent_tid=[6957]}, 88) = 6957 [pid 6957] <... rseq resumed>) = 0 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] set_robust_list(0x7fef411b19a0, 24 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6957] <... set_robust_list resumed>) = 0 [pid 6956] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 6957] rt_sigprocmask(SIG_SETMASK, [], [pid 6956] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = 0 [pid 5061] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6941] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6957] sendfile(3, 4, NULL, 281474978811911 [pid 6956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6954] mkdir("./file1", 000 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] <... openat resumed>) = 4 [pid 6956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... mmap resumed>) = 0x7fef411b2000 [pid 6949] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6956] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6949] sendfile(4, 4, NULL, 7 [pid 6946] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] unlink("./61/binderfs" [pid 6956] <... mprotect resumed>) = 0 [pid 6954] <... mkdir resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 6956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6946] <... futex resumed>) = 0 [pid 5062] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6958 attached [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./61/file0", [pid 6958] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6956] <... clone3 resumed> => {parent_tid=[6958]}, 88) = 6958 [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./62/bus", [pid 6958] <... rseq resumed>) = 0 [pid 6956] rt_sigprocmask(SIG_SETMASK, [], [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6958] set_robust_list(0x7fef411d29a0, 24 [pid 6956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] <... set_robust_list resumed>) = 0 [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] rt_sigprocmask(SIG_SETMASK, [], [pid 6956] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6958] mkdir("./file0", 000 [pid 5062] <... openat resumed>) = 4 [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6958] <... mkdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] mkdir("./bus", 000 [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./62/bus/file0", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6958] <... mkdir resumed>) = 0 [pid 6956] <... futex resumed>) = 0 [pid 6954] <... mount resumed>) = 0 [pid 5061] getdents64(4, [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] unlink("./62/bus/file0" [pid 5061] close(4 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./61/file0" [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6958] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] unlink(NULL [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 5061] <... rmdir resumed>) = 0 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6954] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] mkdir("./file1", 000 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] <... mkdir resumed>) = 0 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] close(4 [pid 5061] newfstatat(AT_FDCWD, "./61/file1", [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] chdir("./bus" [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... chdir resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rmdir("./62/bus" [pid 6958] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6956] <... futex resumed>) = 0 [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6954] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6954] <... open resumed>) = 3 [pid 5061] <... openat resumed>) = 4 [pid 5062] unlink("./62/binderfs" [pid 6946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... unlink resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 6946] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... futex resumed>) = 0 [ 101.299564][ T6954] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6946] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 6954] <... futex resumed>) = 1 [pid 6953] sendfile(3, 4, NULL, 281474978811911 [pid 6952] <... futex resumed>) = 0 [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6954] fcntl(-1, F_SETFL, O_RDONLY [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] newfstatat(AT_FDCWD, "./61/file1/work", [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(AT_FDCWD, "./62/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6957] <... sendfile resumed>) = 4 [pid 6954] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6945] <... sendfile resumed>) = 4 [pid 5062] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6954] <... openat resumed>) = 4 [pid 6945] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... openat resumed>) = 4 [pid 5062] newfstatat(4, "", [pid 5061] <... openat resumed>) = 5 [pid 6957] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] newfstatat(5, "", [pid 6957] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6945] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] exit_group(0 [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = ? [pid 6941] <... exit_group resumed>) = ? [pid 5062] getdents64(4, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6957] +++ exited with 0 +++ [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6945] +++ exited with 0 +++ [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6954] sendfile(4, 4, NULL, 7 [pid 6952] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 5061] getdents64(5, [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6941] +++ exited with 0 +++ [pid 5062] close(4 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5062] <... close resumed>) = 0 [pid 5061] getdents64(5, [pid 5062] rmdir("./62/file0" [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6941, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5062] <... rmdir resumed>) = 0 [pid 5061] close(5 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5062] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5060] <... restart_syscall resumed>) = 0 [pid 5061] rmdir("./61/file1/work" [pid 5060] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/file1", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(AT_FDCWD, "./61/file1/index", [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(3, "", [pid 5062] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(3, [pid 5062] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6958] <... mount resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5060] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(4, "", [pid 5061] <... openat resumed>) = 5 [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6958] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5061] newfstatat(5, "", [pid 6956] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] unlink(NULL [pid 5061] getdents64(5, [pid 6958] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(5, [pid 6958] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6956] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./62/file1/work", [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] close(5 [pid 6958] chdir("./bus") = 0 [pid 5062] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] rmdir("./61/file1/index" [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6958] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [ 101.340859][ T6958] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5062] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6956] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(5, "", [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6958] <... open resumed>) = 3 [pid 5062] getdents64(5, [pid 5061] getdents64(4, [pid 5060] <... umount2 resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5060] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 5062] getdents64(5, [pid 5061] rmdir("./61/file1" [pid 5060] newfstatat(AT_FDCWD, "./61/bus", [pid 6958] fcntl(-1, F_SETFL, O_RDONLY [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6958] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6956] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] close(5 [pid 5060] umount2("./61/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] rmdir("./62/file1/work" [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 5060] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6958] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... rmdir resumed>) = 0 [pid 6958] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 4 [pid 6958] <... openat resumed>) = 4 [pid 6952] <... futex resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(4, "", [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(3 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... sendfile resumed>) = 4 [pid 6952] <... mmap resumed>) = 0x7fef41191000 [pid 6949] <... sendfile resumed>) = 4 [pid 6958] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6952] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 6949] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6958] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... mprotect resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./62/file1/index", [pid 5061] rmdir("./61" [pid 5060] getdents64(4, [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6953] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] sendfile(4, 4, NULL, 7 [pid 6956] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6953] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] mkdir("./62", 0777 [pid 5060] umount2("./61/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6946] exit_group(0 [pid 5062] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./61/bus/file0", [pid 6953] <... futex resumed>) = ? [pid 6949] <... futex resumed>) = ? [pid 6946] <... exit_group resumed>) = ? [pid 6953] +++ exited with 0 +++ [pid 6952] <... clone3 resumed> => {parent_tid=[6963]}, 88) = 6963 [pid 6949] +++ exited with 0 +++ [pid 5062] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6963 attached [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6946] +++ exited with 0 +++ [pid 5061] <... mkdir resumed>) = 0 [pid 5060] unlink("./61/bus/file0" [pid 6963] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6946, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5060] <... unlink resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 6963] <... rseq resumed>) = 0 [pid 6952] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... restart_syscall resumed>) = 0 [pid 5060] getdents64(4, [pid 6963] set_robust_list(0x7fef411b19a0, 24 [pid 6952] <... futex resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6964 [pid 6963] <... set_robust_list resumed>) = 0 [pid 6952] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6963] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] close(4 [pid 6963] sendfile(3, 4, NULL, 281474978811911 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... close resumed>) = 0 ./strace-static-x86_64: Process 6964 attached [pid 5063] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] newfstatat(5, "", [pid 5060] rmdir("./61/bus" [pid 6964] set_robust_list(0x555555f856a0, 24 [pid 5063] <... openat resumed>) = 3 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6964] <... set_robust_list resumed>) = 0 [pid 6964] chdir("./62" [pid 5063] newfstatat(3, "", [pid 5062] getdents64(5, [pid 5060] <... rmdir resumed>) = 0 [pid 6964] <... chdir resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] getdents64(3, [pid 5062] getdents64(5, [pid 6964] <... prctl resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6964] setpgid(0, 0 [pid 5063] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(5 [pid 6964] <... setpgid resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5062] <... close resumed>) = 0 [pid 6964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] rmdir("./62/file1/index" [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6964] <... openat resumed>) = 3 [pid 5060] unlink("./61/binderfs" [pid 6964] write(3, "1000", 4) = 4 [pid 6964] close(3) = 0 [pid 6964] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6964] <... symlink resumed>) = 0 [pid 5060] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6964] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5060] newfstatat(AT_FDCWD, "./61/file0", [pid 6964] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, NULL, 8) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5060] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] rmdir("./62/file1" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6964] <... mmap resumed>) = 0x7fef411b2000 [pid 5062] <... rmdir resumed>) = 0 [pid 6964] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... openat resumed>) = 4 [pid 5060] newfstatat(4, "", [pid 6964] <... mprotect resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6964] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] getdents64(3, [pid 5060] getdents64(4, [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6964] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] close(3 [pid 5060] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5062] <... close resumed>) = 0 [pid 5060] close(4./strace-static-x86_64: Process 6965 attached [pid 5063] <... umount2 resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5062] rmdir("./62" [pid 5060] rmdir("./61/file0" [pid 6965] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6964] <... clone3 resumed> => {parent_tid=[6965]}, 88) = 6965 [pid 6965] <... rseq resumed>) = 0 [pid 6964] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6965] set_robust_list(0x7fef411d29a0, 24 [pid 6964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6965] <... set_robust_list resumed>) = 0 [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6956] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6965] rt_sigprocmask(SIG_SETMASK, [], [pid 6964] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] mkdir("./63", 0777 [pid 6965] mkdir("./file0", 000 [pid 6956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./61/file1", [pid 6965] <... mkdir resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./63/bus", [pid 6956] <... mmap resumed>) = 0x7fef41191000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6956] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5063] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./61/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... mprotect resumed>) = 0 [pid 5063] <... openat resumed>) = 4 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] newfstatat(4, "", [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 4 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] getdents64(4, ./strace-static-x86_64: Process 6967 attached [pid 6965] mkdir("./bus", 000 [pid 6956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] newfstatat(4, "", [pid 6967] set_robust_list(0x555555f856a0, 24 [pid 6965] <... mkdir resumed>) = 0 [pid 6956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6967] <... set_robust_list resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] umount2("./63/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6968 attached [pid 6956] <... clone3 resumed> => {parent_tid=[6968]}, 88) = 6968 [pid 6967] chdir("./63" [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 6967 [pid 5060] getdents64(4, [pid 6968] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6967] <... chdir resumed>) = 0 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] rt_sigprocmask(SIG_SETMASK, [], [pid 6968] <... rseq resumed>) = 0 [pid 6967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] newfstatat(AT_FDCWD, "./63/bus/file0", [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6968] set_robust_list(0x7fef411b19a0, 24 [pid 6967] <... prctl resumed>) = 0 [pid 6965] mkdir("./file1", 000 [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... set_robust_list resumed>) = 0 [pid 6967] setpgid(0, 0 [pid 6965] <... mkdir resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6968] rt_sigprocmask(SIG_SETMASK, [], [pid 6967] <... setpgid resumed>) = 0 [pid 6968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6968] sendfile(3, 4, NULL, 281474978811911 [pid 6967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] unlink("./63/bus/file0" [pid 5060] newfstatat(AT_FDCWD, "./61/file1/work", [pid 6967] <... openat resumed>) = 3 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6956] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6967] write(3, "1000", 4 [pid 5063] <... unlink resumed>) = 0 [pid 5060] umount2("./61/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6967] <... write resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6967] close(3 [pid 5060] openat(AT_FDCWD, "./61/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6967] <... close resumed>) = 0 [pid 6967] symlink("/dev/binderfs", "./binderfs" [pid 6964] <... futex resumed>) = 0 [pid 5063] getdents64(4, [pid 5060] <... openat resumed>) = 5 [pid 5060] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] <... symlink resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(5, [pid 5063] close(4 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] <... close resumed>) = 0 [pid 5060] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./63/bus" [pid 5060] close(5) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 5060] rmdir("./61/file1/work") = 0 [pid 6967] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, NULL, 8) = 0 [pid 6963] <... sendfile resumed>) = 4 [pid 6963] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6954] <... sendfile resumed>) = 4 [pid 5063] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6963] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6954] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6967] <... mmap resumed>) = 0x7fef411b2000 [pid 6965] <... mount resumed>) = 0 [pid 6954] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6967] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] exit_group(0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] newfstatat(AT_FDCWD, "./61/file1/index", [pid 6967] <... mprotect resumed>) = 0 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6963] <... futex resumed>) = ? [pid 6954] <... futex resumed>) = ? [pid 6952] <... exit_group resumed>) = ? [pid 5063] unlink("./63/binderfs" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6965] unlink(NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] +++ exited with 0 +++ [pid 6954] +++ exited with 0 +++ [pid 6952] +++ exited with 0 +++ [pid 5063] <... unlink resumed>) = 0 [pid 6965] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6964] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5060] umount2("./61/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6965] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./61/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] newfstatat(AT_FDCWD, "./63/file0", [pid 5060] <... openat resumed>) = 5 ./strace-static-x86_64: Process 6970 attached [pid 6967] <... clone3 resumed> => {parent_tid=[6970]}, 88) = 6970 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 5068] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6970] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6967] rt_sigprocmask(SIG_SETMASK, [], [pid 6965] chdir("./bus" [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(5, "", [pid 6970] <... rseq resumed>) = 0 [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6965] <... chdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6970] set_robust_list(0x7fef411d29a0, 24 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(5, [pid 6970] <... set_robust_list resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5063] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6970] rt_sigprocmask(SIG_SETMASK, [], [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... openat resumed>) = 4 [pid 6970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5063] newfstatat(4, "", [pid 5060] getdents64(5, [pid 6965] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6970] mkdir("./file0", 000 [pid 6965] <... open resumed>) = 3 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] getdents64(4, [pid 5060] close(5) = 0 [pid 6970] <... mkdir resumed>) = 0 [pid 5060] rmdir("./61/file1/index" [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 5063] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] close(4 [pid 6970] <... futex resumed>) = 1 [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... futex resumed>) = 0 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... close resumed>) = 0 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 5063] rmdir("./63/file0" [pid 6970] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, [pid 6970] mkdir("./bus", 000 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6965] fcntl(-1, F_SETFL, O_RDONLY [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6970] <... mkdir resumed>) = 0 [pid 6965] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] <... rmdir resumed>) = 0 [pid 5060] close(4 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... close resumed>) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 5063] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [ 101.514592][ T6965] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 5060] rmdir("./61/file1" [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... rmdir resumed>) = 0 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] newfstatat(AT_FDCWD, "./63/file1", [pid 6967] <... futex resumed>) = 0 [pid 6965] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] getdents64(3, [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... openat resumed>) = 4 [pid 5063] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6965] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... openat resumed>) = 4 [pid 6970] mkdir("./file1", 000 [pid 6964] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(4, "", [pid 5060] close(3 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... close resumed>) = 0 [pid 5063] getdents64(4, [pid 6970] <... mkdir resumed>) = 0 [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... umount2 resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5060] rmdir("./61" [pid 5063] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6970] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 1 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./64/bus", [pid 6967] <... futex resumed>) = 0 [pid 6965] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] newfstatat(AT_FDCWD, "./63/file1/work", [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] sendfile(4, 4, NULL, 7 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] mkdir("./62", 0777 [pid 6970] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 5068] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6970] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... mkdir resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./63/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5063] <... openat resumed>) = 5 [pid 5063] newfstatat(5, "", [pid 5068] newfstatat(4, "", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6972 attached [pid 5063] close(5 [pid 6972] set_robust_list(0x555555f856a0, 24 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... close resumed>) = 0 [pid 6972] <... set_robust_list resumed>) = 0 [pid 5063] rmdir("./63/file1/work" [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 6972 [pid 6972] chdir("./62") = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 6972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6972] setpgid(0, 0) = 0 [pid 5063] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./63/file1/index", [pid 6972] write(3, "1000", 4) = 4 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6972] close(3) = 0 [pid 5063] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6972] symlink("/dev/binderfs", "./binderfs" [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5063] openat(AT_FDCWD, "./63/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5063] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6972] <... symlink resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5063] getdents64(5, [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... sendfile resumed>) = 4 [pid 6958] <... sendfile resumed>) = 4 [pid 5068] umount2("./64/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6972] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(5, [pid 6972] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] newfstatat(AT_FDCWD, "./64/bus/file0", [pid 6972] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6970] <... mount resumed>) = 0 [pid 6968] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = 0 [pid 6956] exit_group(0 [pid 5068] unlink("./64/bus/file0" [pid 5063] close(5 [pid 6972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6956] <... exit_group resumed>) = ? [pid 5063] <... close resumed>) = 0 [pid 6972] <... mmap resumed>) = 0x7fef411b2000 [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6968] +++ exited with 0 +++ [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6958] +++ exited with 0 +++ [pid 6956] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 5063] rmdir("./63/file1/index" [pid 6972] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... futex resumed>) = 0 [pid 6964] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6956, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5063] <... rmdir resumed>) = 0 [pid 6972] <... mprotect resumed>) = 0 [pid 6970] unlink(NULL [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6970] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] close(4 [pid 5063] getdents64(4, [pid 6972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... close resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6964] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5068] rmdir("./64/bus" [pid 5063] close(4./strace-static-x86_64: Process 6975 attached [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... close resumed>) = 0 [pid 6975] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6972] <... clone3 resumed> => {parent_tid=[6975]}, 88) = 6975 [pid 5065] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./63/file1" [pid 6975] <... rseq resumed>) = 0 [pid 6972] rt_sigprocmask(SIG_SETMASK, [], [pid 6964] <... mprotect resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... rmdir resumed>) = 0 [pid 6975] set_robust_list(0x7fef411d29a0, 24 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6964] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6975] <... set_robust_list resumed>) = 0 [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 3 [pid 5063] getdents64(3, [pid 6975] rt_sigprocmask(SIG_SETMASK, [], [pid 6972] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 6964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] newfstatat(3, "", [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] close(3./strace-static-x86_64: Process 6976 attached [pid 6975] mkdir("./file0", 000 [pid 6970] chdir("./bus" [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(3, [pid 5063] <... close resumed>) = 0 [pid 6976] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6975] <... mkdir resumed>) = 0 [pid 6970] <... chdir resumed>) = 0 [pid 6964] <... clone3 resumed> => {parent_tid=[6976]}, 88) = 6976 [pid 5068] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] rmdir("./63" [pid 6976] <... rseq resumed>) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6976] set_robust_list(0x7fef411b19a0, 24 [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] unlink("./64/binderfs" [pid 6976] <... set_robust_list resumed>) = 0 [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [ 101.615932][ T6970] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 5063] mkdir("./64", 0777 [pid 6976] rt_sigprocmask(SIG_SETMASK, [], [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 5068] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... futex resumed>) = 0 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6976] sendfile(3, 4, NULL, 281474978811911 [pid 6975] mkdir("./bus", 000 [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./64/file0", [pid 5063] <... mkdir resumed>) = 0 [pid 6975] <... mkdir resumed>) = 0 [pid 6970] <... open resumed>) = 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6975] mkdir("./file1", 000 [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] fcntl(-1, F_SETFL, O_RDONLY [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6967] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 6970] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... mkdir resumed>) = 0 [pid 6972] <... futex resumed>) = 0 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(4, "", [pid 5065] <... umount2 resumed>) = 0 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... futex resumed>) = 0 [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6975] <... futex resumed>) = 0 [pid 6970] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6967] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] newfstatat(AT_FDCWD, "./63/bus", [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 6978 ./strace-static-x86_64: Process 6978 attached [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] <... openat resumed>) = 4 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6978] set_robust_list(0x555555f856a0, 24 [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6975] <... futex resumed>) = 0 [pid 6978] <... set_robust_list resumed>) = 0 [pid 6972] <... futex resumed>) = 1 [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6975] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... futex resumed>) = 0 [pid 5068] rmdir("./64/file0" [pid 5065] <... openat resumed>) = 4 [pid 6978] chdir("./64" [pid 6970] sendfile(4, 4, NULL, 7 [pid 6967] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5068] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6978] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] newfstatat(AT_FDCWD, "./64/file1", [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./63/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] <... prctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./63/bus/file0", [pid 6978] setpgid(0, 0 [pid 5068] openat(AT_FDCWD, "./64/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6978] <... setpgid resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5065] unlink("./63/bus/file0" [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] newfstatat(4, "", [pid 5065] <... unlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5068] getdents64(4, [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] close(4 [pid 5068] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] rmdir("./63/bus" [pid 6978] <... openat resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./64/file1/work", [pid 5065] <... rmdir resumed>) = 0 [pid 6978] write(3, "1000", 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6978] <... write resumed>) = 4 [pid 5068] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./64/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 5 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] close(3 [pid 5068] newfstatat(5, "", [pid 6978] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] newfstatat(AT_FDCWD, "./63/binderfs", [pid 6978] symlink("/dev/binderfs", "./binderfs" [pid 5068] getdents64(5, [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6978] <... symlink resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] unlink("./63/binderfs" [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5068] close(5) = 0 [pid 5068] rmdir("./64/file1/work" [pid 5065] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./63/file0", [pid 5068] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./64/file1/index", [pid 5065] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6978] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 4 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef411b2000 [pid 5068] openat(AT_FDCWD, "./64/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(4, "", [pid 5068] <... openat resumed>) = 5 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(5, "", [pid 5065] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 6978] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6975] <... mount resumed>) = 0 [pid 6964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(5, [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 5068] close(5 [pid 5065] <... close resumed>) = 0 [pid 6978] <... mprotect resumed>) = 0 [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] rmdir("./63/file0" [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... futex resumed>) = 0 [pid 5068] rmdir("./64/file1/index" [pid 6975] unlink(NULL [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] chdir("./bus" [pid 6972] <... futex resumed>) = 0 [pid 6978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6975] <... chdir resumed>) = 0 [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 6978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6979 attached [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 6979] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6978] <... clone3 resumed> => {parent_tid=[6979]}, 88) = 6979 [pid 6975] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... rseq resumed>) = 0 [pid 6978] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] close(4 [pid 5065] newfstatat(AT_FDCWD, "./63/file1", [pid 6979] set_robust_list(0x7fef411d29a0, 24 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6976] <... sendfile resumed>) = 4 [pid 6975] <... open resumed>) = 3 [pid 6965] <... sendfile resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6979] <... set_robust_list resumed>) = 0 [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./64/file1" [pid 5065] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] rt_sigprocmask(SIG_SETMASK, [], [pid 6978] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6965] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6965] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] exit_group(0 [pid 5068] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] mkdir("./file0", 000 [pid 6976] <... futex resumed>) = ? [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6965] <... futex resumed>) = ? [pid 6964] <... exit_group resumed>) = ? [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6979] <... mkdir resumed>) = 0 [pid 6976] +++ exited with 0 +++ [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] +++ exited with 0 +++ [pid 5068] close(3 [pid 5065] openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] fcntl(-1, F_SETFL, O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 5068] rmdir("./64" [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6964] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6967] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(4, "", [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6964, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6979] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = 0 [pid 5068] mkdir("./65", 0777 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6975] <... openat resumed>) = 4 [pid 6972] <... futex resumed>) = 0 [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] getdents64(4, [pid 6979] mkdir("./bus", 000 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... mmap resumed>) = 0x7fef41191000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... mkdir resumed>) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6981 attached [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] sendfile(4, 4, NULL, 7 [pid 6972] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 3 [pid 6981] set_robust_list(0x555555f856a0, 24 [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6972] <... futex resumed>) = 0 [pid 5061] newfstatat(3, "", [pid 6981] <... set_robust_list resumed>) = 0 [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... mprotect resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./63/file1/work", [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6978] <... futex resumed>) = 0 [pid 6981] chdir("./65" [pid 5061] getdents64(3, [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6979] mkdir("./file1", 000 [pid 6967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6981] <... chdir resumed>) = 0 [pid 6981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] <... mkdir resumed>) = 0 [pid 6967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 6981 [pid 5065] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6981] <... prctl resumed>) = 0 [pid 6967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6982 attached [pid 6981] setpgid(0, 0 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./63/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6982] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6981] <... setpgid resumed>) = 0 [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6982] <... rseq resumed>) = 0 [pid 6981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [ 101.722814][ T6975] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] set_robust_list(0x7fef411b19a0, 24 [pid 6981] <... openat resumed>) = 3 [pid 6978] <... futex resumed>) = 0 [pid 6967] <... clone3 resumed> => {parent_tid=[6982]}, 88) = 6982 [pid 5065] <... openat resumed>) = 5 [pid 6982] <... set_robust_list resumed>) = 0 [pid 6967] rt_sigprocmask(SIG_SETMASK, [], [pid 6982] rt_sigprocmask(SIG_SETMASK, [], [pid 6981] write(3, "1000", 4 [pid 5065] newfstatat(5, "", [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6967] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6982] sendfile(3, 4, NULL, 281474978811911 [pid 6981] <... write resumed>) = 4 [pid 6967] <... futex resumed>) = 0 [pid 6967] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(5, [pid 6981] close(3 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6981] <... close resumed>) = 0 [pid 6981] symlink("/dev/binderfs", "./binderfs" [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6981] <... symlink resumed>) = 0 [pid 6979] <... mount resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6981] <... futex resumed>) = 0 [pid 6979] unlink(NULL [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(AT_FDCWD, "./62/bus", [pid 6981] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6979] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6978] <... futex resumed>) = 0 [pid 5065] close(5 [pid 6981] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6979] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6979] chdir("./bus" [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6979] <... chdir resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 5065] rmdir("./63/file1/work" [pid 5061] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6981] <... mmap resumed>) = 0x7fef411b2000 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6981] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6979] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] newfstatat(4, "", [pid 6981] <... mprotect resumed>) = 0 [pid 6979] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 5065] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 6981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6979] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 5065] newfstatat(AT_FDCWD, "./63/file1/index", [pid 5061] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6984 attached [pid 6972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... open resumed>) = 3 [pid 6984] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6981] <... clone3 resumed> => {parent_tid=[6984]}, 88) = 6984 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./62/bus/file0", [pid 6981] rt_sigprocmask(SIG_SETMASK, [], [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6972] <... futex resumed>) = 0 [pid 6981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6979] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6972] <... mmap resumed>) = 0x7fef41191000 [pid 5061] unlink("./62/bus/file0" [pid 6984] <... rseq resumed>) = 0 [pid 6981] <... futex resumed>) = 0 [pid 6979] fcntl(-1, F_SETFL, O_RDONLY [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] set_robust_list(0x7fef411d29a0, 24 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... mprotect resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./63/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... unlink resumed>) = 0 [pid 6984] <... set_robust_list resumed>) = 0 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... openat resumed>) = 5 [pid 5061] getdents64(4, [pid 6984] rt_sigprocmask(SIG_SETMASK, [], [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] newfstatat(5, "", [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6982] <... sendfile resumed>) = 4 [pid 6979] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6970] <... sendfile resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] close(4./strace-static-x86_64: Process 6986 attached [pid 6984] mkdir("./file0", 000 [pid 6979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 6986] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6984] <... mkdir resumed>) = 0 [pid 6982] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... clone3 resumed> => {parent_tid=[6986]}, 88) = 6986 [pid 6970] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 6986] <... rseq resumed>) = 0 [pid 6982] <... futex resumed>) = 1 [pid 6979] <... openat resumed>) = 4 [ 101.780305][ T6979] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6972] rt_sigprocmask(SIG_SETMASK, [], [pid 6970] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 5065] getdents64(5, [pid 5061] rmdir("./62/bus" [pid 6986] set_robust_list(0x7fef411b19a0, 24 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] exit_group(0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6986] <... set_robust_list resumed>) = 0 [pid 6984] <... futex resumed>) = 1 [pid 6982] <... futex resumed>) = ? [pid 6981] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6972] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... futex resumed>) = ? [pid 6967] <... exit_group resumed>) = ? [pid 5065] close(5 [pid 5061] <... rmdir resumed>) = 0 [pid 6986] rt_sigprocmask(SIG_SETMASK, [], [pid 6984] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6982] +++ exited with 0 +++ [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] sendfile(4, 4, NULL, 7 [pid 6978] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6970] +++ exited with 0 +++ [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 6972] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./63/file1/index" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6986] sendfile(3, 4, NULL, 281474978811911 [pid 6984] mkdir("./bus", 000 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] +++ exited with 0 +++ [pid 5065] <... rmdir resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6984] <... mkdir resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6967, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./62/binderfs" [pid 5065] getdents64(4, [pid 5062] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] <... unlink resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5062] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 5061] newfstatat(AT_FDCWD, "./62/file0", [pid 6984] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./63/file1" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5062] getdents64(3, [pid 5061] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] mkdir("./file1", 000 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6984] <... mkdir resumed>) = 0 [pid 5062] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(3, [pid 5061] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(3 [pid 5061] <... openat resumed>) = 4 [pid 6984] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 6984] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./63" [pid 6981] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 5061] getdents64(4, 0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, [pid 5065] mkdir("./64", 0777 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] close(4) = 0 [pid 5061] rmdir("./62/file0") = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./62/file1", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6988 attached ) = -1 EINVAL (Invalid argument) [pid 6988] set_robust_list(0x555555f856a0, 24 [pid 5065] <... clone resumed>, child_tidptr=0x555555f85690) = 6988 [pid 5061] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6988] <... set_robust_list resumed>) = 0 [pid 6978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 6978] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6978] <... futex resumed>) = 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6986] <... sendfile resumed>) = 4 [pid 6978] <... mmap resumed>) = 0x7fef41191000 [pid 6972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6975] <... sendfile resumed>) = 4 [pid 6978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6975] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./63/bus", [pid 6986] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6975] <... futex resumed>) = 0 [pid 6978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 6975] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6986] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6990 attached [pid 6986] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] <... clone3 resumed> => {parent_tid=[6990]}, 88) = 6990 [pid 5062] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6990] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6978] rt_sigprocmask(SIG_SETMASK, [], [pid 6990] <... rseq resumed>) = 0 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6990] set_robust_list(0x7fef411b19a0, 24 [pid 6978] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] <... set_robust_list resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6990] rt_sigprocmask(SIG_SETMASK, [], [pid 6978] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] chdir("./64" [pid 6972] exit_group(0 [pid 5062] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 6990] sendfile(3, 4, NULL, 281474978811911 [pid 6988] <... chdir resumed>) = 0 [pid 6986] <... futex resumed>) = ? [pid 6975] <... futex resumed>) = ? [pid 6972] <... exit_group resumed>) = ? [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6986] +++ exited with 0 +++ [pid 6975] +++ exited with 0 +++ [pid 6972] +++ exited with 0 +++ [pid 5062] newfstatat(4, "", [pid 6988] <... prctl resumed>) = 0 [pid 5061] getdents64(4, [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6988] setpgid(0, 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6988] <... setpgid resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] getdents64(4, [pid 6988] <... openat resumed>) = 3 [pid 5061] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6988] write(3, "1000", 4 [pid 6981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6988] <... write resumed>) = 4 [pid 6981] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./63/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./62/file1/work", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6988] close(3 [pid 6981] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6988] <... close resumed>) = 0 [pid 6981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] newfstatat(AT_FDCWD, "./63/bus/file0", [pid 5061] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6988] symlink("/dev/binderfs", "./binderfs" [pid 6981] <... mmap resumed>) = 0x7fef41191000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... openat resumed>) = 3 [pid 6988] <... symlink resumed>) = 0 [pid 6981] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5062] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... mprotect resumed>) = 0 [pid 5062] unlink("./63/bus/file0" [pid 5061] <... openat resumed>) = 5 [pid 5060] newfstatat(3, "", [pid 6988] <... futex resumed>) = 0 [pid 6981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... unlink resumed>) = 0 [pid 5061] newfstatat(5, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6988] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 6988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5062] getdents64(4, [pid 5061] getdents64(5, ./strace-static-x86_64: Process 6991 attached [pid 6988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 6991] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6984] <... mount resumed>) = 0 [pid 6981] <... clone3 resumed> => {parent_tid=[6991]}, 88) = 6991 [pid 5062] close(4 [pid 5061] getdents64(5, [pid 5060] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] <... rseq resumed>) = 0 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6981] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... close resumed>) = 0 [pid 6988] <... mmap resumed>) = 0x7fef411b2000 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5062] rmdir("./63/bus" [pid 5061] close(5 [pid 6991] set_robust_list(0x7fef411b19a0, 24 [pid 6988] <... mprotect resumed>) = 0 [pid 6981] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 6991] <... set_robust_list resumed>) = 0 [pid 6988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... futex resumed>) = 0 [pid 5061] rmdir("./62/file1/work" [pid 6991] rt_sigprocmask(SIG_SETMASK, [], [pid 6988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6984] <... futex resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 6991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6984] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6993 attached [pid 6991] unlink(NULL [pid 5061] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6988] <... clone3 resumed> => {parent_tid=[6993]}, 88) = 6993 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6991] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(AT_FDCWD, "./62/file1/index", [pid 6993] <... rseq resumed>) = 0 [pid 6991] <... futex resumed>) = 1 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6981] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] set_robust_list(0x7fef411d29a0, 24 [pid 6991] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6988] <... futex resumed>) = 0 [ 101.901079][ T6984] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6984] <... futex resumed>) = 0 [pid 6981] <... futex resumed>) = 1 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6993] rt_sigprocmask(SIG_SETMASK, [], [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6984] chdir("./bus" [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] unlink("./63/binderfs" [pid 5061] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6984] <... chdir resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] mkdir("./file0", 000 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6984] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 5 [pid 6984] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] newfstatat(5, "", [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(5, [pid 6993] <... mkdir resumed>) = 0 [pid 6990] <... sendfile resumed>) = 4 [pid 6984] <... open resumed>) = 3 [pid 6979] <... sendfile resumed>) = 4 [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6990] <... futex resumed>) = 0 [pid 6988] <... futex resumed>) = 0 [pid 6984] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 5062] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(5, [pid 5060] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6990] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] fcntl(-1, F_SETFL, O_RDONLY [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 6984] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6981] <... futex resumed>) = 0 [pid 6978] exit_group(0 [pid 5062] newfstatat(AT_FDCWD, "./63/file0", [pid 5061] close(5 [pid 6993] mkdir("./bus", 000 [pid 6990] <... futex resumed>) = ? [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] <... futex resumed>) = ? [pid 6978] <... exit_group resumed>) = ? [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./62/bus", [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] rmdir("./62/file1/index" [pid 6984] <... futex resumed>) = 0 [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6990] +++ exited with 0 +++ [pid 6984] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6981] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6984] <... openat resumed>) = 4 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5062] newfstatat(4, "", [pid 5061] getdents64(4, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] getdents64(4, [pid 5061] close(4 [pid 6993] <... mkdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./62/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] rmdir("./62/file1" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6984] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... futex resumed>) = 0 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 6984] sendfile(4, 4, NULL, 7 [pid 6981] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] +++ exited with 0 +++ [pid 6978] +++ exited with 0 +++ [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6993] mkdir("./file1", 000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6978, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5062] close(4 [pid 5060] newfstatat(4, "", [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... close resumed>) = 0 [pid 5061] getdents64(3, [pid 5062] rmdir("./63/file0" [pid 5061] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5061] close(3 [pid 6993] <... mkdir resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(4, [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 6993] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = 3 [pid 5062] newfstatat(AT_FDCWD, "./63/file1", [pid 5061] rmdir("./62" [pid 6988] <... futex resumed>) = 0 [pid 5063] newfstatat(3, "", [pid 5060] umount2("./62/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5063] getdents64(3, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] mkdir("./63", 0777 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5062] openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./62/bus/file0", [pid 5063] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... openat resumed>) = 4 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(4, "", [pid 5060] unlink("./62/bus/file0" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] getdents64(4, 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./62/bus"./strace-static-x86_64: Process 6995 attached [pid 6995] set_robust_list(0x555555f856a0, 24 [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] <... clone resumed>, child_tidptr=0x555555f85690) = 6995 [pid 5060] <... rmdir resumed>) = 0 [pid 6995] <... set_robust_list resumed>) = 0 [pid 5062] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] chdir("./63" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6995] <... chdir resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./63/file1/work", [pid 5060] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6995] <... prctl resumed>) = 0 [pid 5060] unlink("./62/binderfs" [pid 6995] setpgid(0, 0 [pid 5062] umount2("./63/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] <... setpgid resumed>) = 0 [pid 6995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... mount resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] <... openat resumed>) = 3 [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./63/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(AT_FDCWD, "./62/file0", [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 6981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6995] write(3, "1000", 4 [pid 6993] unlink(NULL [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 5 [pid 5060] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] <... write resumed>) = 4 [pid 6993] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6991] <... futex resumed>) = 0 [pid 6981] <... futex resumed>) = 1 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6995] close(3 [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] sendfile(3, 4, NULL, 281474978811911 [pid 6981] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... umount2 resumed>) = 0 [pid 5062] newfstatat(5, "", [pid 5060] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6995] <... close resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6995] symlink("/dev/binderfs", "./binderfs" [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(5, [pid 5060] newfstatat(4, "", [pid 6995] <... symlink resumed>) = 0 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] chdir("./bus" [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 6995] <... futex resumed>) = 0 [pid 6993] <... chdir resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./64/bus", [pid 5062] getdents64(5, [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 6995] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(4, [pid 6995] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5063] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(5 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 6995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 5060] close(4 [pid 6995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] rmdir("./63/file1/work" [pid 5060] <... close resumed>) = 0 [pid 6995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = 4 [pid 5060] rmdir("./62/file0" [pid 6995] <... mmap resumed>) = 0x7fef411b2000 [pid 6993] <... open resumed>) = 3 [pid 5063] newfstatat(4, "", [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 6995] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] <... mprotect resumed>) = 0 [pid 5063] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./62/file1", [ 102.010259][ T6993] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./64/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(AT_FDCWD, "./63/file1/index", [pid 5060] umount2("./62/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6997 attached [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6997] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 6995] <... clone3 resumed> => {parent_tid=[6997]}, 88) = 6997 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 5063] newfstatat(AT_FDCWD, "./64/bus/file0", [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... openat resumed>) = 4 [pid 6997] <... rseq resumed>) = 0 [pid 6995] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] fcntl(-1, F_SETFL, O_RDONLY [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./63/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(4, "", [pid 6997] set_robust_list(0x7fef411d29a0, 24 [pid 6995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6993] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] unlink("./64/bus/file0" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6997] <... set_robust_list resumed>) = 0 [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "./63/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] getdents64(4, [pid 6993] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 6997] rt_sigprocmask(SIG_SETMASK, [], [pid 6995] <... futex resumed>) = 0 [pid 6993] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... unlink resumed>) = 0 [pid 5060] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... openat resumed>) = 4 [pid 6988] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 5 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./62/file1/work", [pid 6997] mkdir("./file0", 000 [pid 6993] <... futex resumed>) = 0 [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] newfstatat(5, "", [pid 6993] sendfile(4, 4, NULL, 7 [pid 6988] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6988] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./62/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] <... mkdir resumed>) = 0 [pid 6988] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5062] getdents64(5, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] openat(AT_FDCWD, "./62/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] close(4 [pid 5062] getdents64(5, [pid 5060] <... openat resumed>) = 5 [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 6997] mkdir("./bus", 000 [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... close resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(5, "", [pid 6995] <... futex resumed>) = 0 [pid 5063] rmdir("./64/bus" [pid 5062] close(5 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] close(5 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] rmdir("./63/file1/index" [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./62/file1/work" [pid 6997] <... mkdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... sendfile resumed>) = 4 [pid 6984] <... sendfile resumed>) = 4 [pid 6981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... rmdir resumed>) = 0 [pid 5062] getdents64(4, [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 6991] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6997] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... futex resumed>) = 0 [pid 6984] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(4 [pid 5060] newfstatat(AT_FDCWD, "./62/file1/index", [pid 6997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6995] <... futex resumed>) = 0 [pid 6991] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6984] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... close resumed>) = 0 [pid 6997] mkdir("./file1", 000 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] exit_group(0 [pid 5063] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5062] rmdir("./63/file1" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6997] <... mkdir resumed>) = 0 [pid 6991] <... futex resumed>) = ? [pid 6984] <... futex resumed>) = ? [pid 6981] <... exit_group resumed>) = ? [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] umount2("./62/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] +++ exited with 0 +++ [pid 6984] +++ exited with 0 +++ [pid 6981] +++ exited with 0 +++ [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6981, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5063] unlink("./64/binderfs" [pid 5062] getdents64(3, [pid 5060] openat(AT_FDCWD, "./62/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 5 [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 5063] <... unlink resumed>) = 0 [pid 5062] close(3 [pid 5060] newfstatat(5, "", [pid 6997] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6995] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] rmdir("./63" [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] newfstatat(AT_FDCWD, "./64/file0", [pid 5068] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(5, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5068] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] mkdir("./64", 0777 [pid 5060] getdents64(5, 0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5060] close(5) = 0 [pid 5063] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] rmdir("./62/file1/index" [pid 5068] newfstatat(3, "", [pid 5063] <... openat resumed>) = 4 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] newfstatat(4, "", [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] getdents64(3, [pid 5060] getdents64(4, [pid 6988] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fef41191000 [pid 6988] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 6988] <... mprotect resumed>) = 0 [pid 5060] rmdir("./62/file1" [pid 6988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] getdents64(4, [pid 6988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5068] umount2("./65/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 5060] getdents64(3, 0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5060] close(3./strace-static-x86_64: Process 7000 attached [pid 6988] <... clone3 resumed> => {parent_tid=[7000]}, 88) = 7000 [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./62" [pid 6988] rt_sigprocmask(SIG_SETMASK, [], [pid 7000] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7000] <... rseq resumed>) = 0 [pid 6988] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] set_robust_list(0x7fef411b19a0, 24 [pid 6988] <... futex resumed>) = 0 [pid 6988] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7000] <... set_robust_list resumed>) = 0 [pid 7000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7000] sendfile(3, 4, NULL, 281474978811911 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(4, ./strace-static-x86_64: Process 7001 attached 0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7001] set_robust_list(0x555555f856a0, 24 [pid 5063] close(4 [pid 7001] <... set_robust_list resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555555f85690) = 7001 [pid 7001] chdir("./64" [pid 6993] <... sendfile resumed>) = 4 [pid 5063] rmdir("./64/file0" [pid 5060] <... rmdir resumed>) = 0 [pid 7001] <... chdir resumed>) = 0 [pid 7000] <... sendfile resumed>) = 4 [pid 5063] <... rmdir resumed>) = 0 [pid 5060] mkdir("./63", 0777 [pid 7001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6993] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... prctl resumed>) = 0 [pid 7001] setpgid(0, 0) = 0 [pid 5063] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... mkdir resumed>) = 0 [pid 7001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7000] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = 0 [pid 7001] <... openat resumed>) = 3 [pid 7000] <... futex resumed>) = 1 [pid 6993] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] <... futex resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7000] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] exit_group(0 [pid 5063] newfstatat(AT_FDCWD, "./64/file1", [pid 7001] write(3, "1000", 4 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7001] <... write resumed>) = 4 [pid 6993] <... futex resumed>) = ? [pid 6988] <... exit_group resumed>) = ? [pid 5063] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7001] close(3 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7001] <... close resumed>) = 0 [pid 6993] +++ exited with 0 +++ [pid 5063] openat(AT_FDCWD, "./64/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7001] symlink("/dev/binderfs", "./binderfs" [pid 5063] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7002 attached [pid 7001] <... symlink resumed>) = 0 [pid 7000] <... futex resumed>) = ? [pid 6997] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 7002] set_robust_list(0x555555f856a0, 24 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./65/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(4, "", [pid 7002] <... set_robust_list resumed>) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555555f85690) = 7002 [pid 7002] chdir("./63" [pid 7001] <... futex resumed>) = 0 [pid 7000] +++ exited with 0 +++ [pid 6997] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] +++ exited with 0 +++ [pid 5068] newfstatat(AT_FDCWD, "./65/bus", [pid 5063] getdents64(4, [pid 7002] <... chdir resumed>) = 0 [pid 7001] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 6997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6995] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 7001] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6997] unlink(NULL [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./65/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6988, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6997] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5063] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7002] <... prctl resumed>) = 0 [pid 7001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... restart_syscall resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7002] setpgid(0, 0 [pid 7001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5063] newfstatat(AT_FDCWD, "./64/file1/work", [pid 7002] <... setpgid resumed>) = 0 [pid 7001] <... mmap resumed>) = 0x7fef411b2000 [pid 6997] chdir("./bus" [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(4, "", [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7001] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6997] <... chdir resumed>) = 0 [pid 6995] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5065] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7002] <... openat resumed>) = 3 [pid 7001] <... mprotect resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7002] write(3, "1000", 4 [pid 7001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6997] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./65/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7002] <... write resumed>) = 4 [pid 7001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6995] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./64/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7002] close(3 [pid 7001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 3 [pid 5063] <... openat resumed>) = 5 ./strace-static-x86_64: Process 7003 attached [pid 7002] <... close resumed>) = 0 [pid 6997] <... open resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./65/bus/file0", [pid 5065] newfstatat(3, "", [pid 5063] newfstatat(5, "", [pid 7003] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 7002] symlink("/dev/binderfs", "./binderfs" [pid 7001] <... clone3 resumed> => {parent_tid=[7003]}, 88) = 7003 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7002] <... symlink resumed>) = 0 [pid 7001] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] getdents64(5, [pid 7003] <... rseq resumed>) = 0 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6997] <... futex resumed>) = 1 [pid 5068] unlink("./65/bus/file0" [pid 6995] <... futex resumed>) = 0 [pid 5065] getdents64(3, [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 7003] set_robust_list(0x7fef411d29a0, 24 [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 0 [pid 5063] getdents64(5, [pid 7003] <... set_robust_list resumed>) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 7002] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 7003] rt_sigprocmask(SIG_SETMASK, [], [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 5063] close(5 [pid 7002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 6995] <... futex resumed>) = 1 [pid 5063] <... close resumed>) = 0 [ 102.140396][ T6997] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 6997] <... futex resumed>) = 0 [pid 7003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] rmdir("./64/file1/work" [pid 7002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6997] fcntl(-1, F_SETFL, O_RDONLY [pid 7002] <... mmap resumed>) = 0x7fef411b2000 [pid 7003] mkdir("./file0", 000 [pid 6997] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... rmdir resumed>) = 0 [pid 7002] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 6997] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] getdents64(4, [pid 6997] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5063] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7002] <... mprotect resumed>) = 0 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./64/file1/index", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./64/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6997] <... openat resumed>) = 4 [pid 5068] close(4 [pid 5063] <... openat resumed>) = 5 [pid 5068] <... close resumed>) = 0 [pid 5063] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] rmdir("./65/bus" [pid 5063] getdents64(5, 0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(5, [pid 7003] <... mkdir resumed>) = 0 [pid 7002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 6997] <... futex resumed>) = 1 [pid 5063] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 6997] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7004 attached [pid 7003] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = 0 [pid 5068] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = 0 [pid 5063] close(5 [pid 7004] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7004] <... rseq resumed>) = 0 [pid 7001] <... futex resumed>) = 0 [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./65/binderfs", [pid 7004] set_robust_list(0x7fef411d29a0, 24 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... clone3 resumed> => {parent_tid=[7004]}, 88) = 7004 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = 1 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... close resumed>) = 0 [pid 7004] <... set_robust_list resumed>) = 0 [pid 7003] mkdir("./bus", 000 [pid 7002] rt_sigprocmask(SIG_SETMASK, [], [pid 6997] sendfile(4, 4, NULL, 7 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] unlink("./65/binderfs" [pid 5065] newfstatat(AT_FDCWD, "./64/bus", [pid 5063] rmdir("./64/file1/index" [pid 7004] rt_sigprocmask(SIG_SETMASK, [], [pid 7003] <... mkdir resumed>) = 0 [pid 7002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./64/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7004] mkdir("./file0", 000 [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(4, [pid 5068] newfstatat(AT_FDCWD, "./65/file0", [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] <... futex resumed>) = 0 [pid 7003] mkdir("./file1", 000 [pid 5065] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... openat resumed>) = 4 [pid 7004] <... mkdir resumed>) = 0 [pid 7003] <... mkdir resumed>) = 0 [pid 5068] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(4, "", [pid 5063] close(4 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7004] <... futex resumed>) = 1 [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 7001] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 5063] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./64/file1" [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = 0 [pid 7001] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 7004] mkdir("./bus", 000 [pid 7003] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... mkdir resumed>) = 0 [pid 6997] <... sendfile resumed>) = 4 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... mount resumed>) = 0 [pid 6995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] newfstatat(4, "", [pid 5065] umount2("./64/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... rmdir resumed>) = 0 [pid 7004] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] getdents64(3, [pid 7004] mkdir("./file1", 000 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... futex resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 6995] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] close(3 [pid 7004] <... mkdir resumed>) = 0 [pid 7003] <... futex resumed>) = 1 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] sendfile(3, 4, NULL, 281474978811911 [pid 5063] <... close resumed>) = 0 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] newfstatat(AT_FDCWD, "./64/bus/file0", [pid 6997] <... sendfile resumed>) = 0 [pid 7004] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] rmdir("./64" [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... futex resumed>) = 0 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... futex resumed>) = 1 [pid 6997] <... futex resumed>) = 1 [pid 6995] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 5065] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=4, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] unlink(NULL [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] exit_group(0 [pid 5068] getdents64(4, [pid 5065] unlink("./64/bus/file0" [pid 7004] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... exit_group resumed>) = ? [pid 5063] mkdir("./65", 0777 [pid 7003] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6997] <... futex resumed>) = ? [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... mkdir resumed>) = 0 [pid 7003] <... futex resumed>) = 1 [pid 5068] close(4 [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./65/file0" [pid 7001] <... futex resumed>) = 0 [pid 6997] +++ exited with 0 +++ [pid 6995] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5065] getdents64(4, [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = 0 [pid 7001] <... futex resumed>) = 1 [pid 7003] chdir("./bus" [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6995, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7003] <... chdir resumed>) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./65/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(4 [pid 7003] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] newfstatat(AT_FDCWD, "./65/file1", [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] rmdir("./64/bus" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 7001] <... futex resumed>) = 0 [pid 5068] umount2("./65/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 7003] <... open resumed>) = 3 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... mount resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./65/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(3, "", [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7007 attached [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(3, [pid 7007] set_robust_list(0x555555f856a0, 24 [pid 7004] <... futex resumed>) = 1 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... clone resumed>, child_tidptr=0x555555f85690) = 7007 [pid 5061] <... getdents64 resumed>0x555555f86730 /* 6 entries */, 32768) = 168 [pid 7007] <... set_robust_list resumed>) = 0 [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... futex resumed>) = 1 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5065] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5061] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7007] chdir("./65" [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./65/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7007] <... chdir resumed>) = 0 [pid 7004] unlink(NULL [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] unlink("./64/binderfs" [pid 7007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7004] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 7003] fcntl(-1, F_SETFL, O_RDONLY [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./65/file1/work", [pid 7007] <... prctl resumed>) = 0 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7007] setpgid(0, 0 [pid 7004] <... futex resumed>) = 1 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... futex resumed>) = 0 [pid 5068] umount2("./65/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7007] <... setpgid resumed>) = 0 [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... futex resumed>) = 1 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] <... futex resumed>) = 0 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] chdir("./bus") = 0 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./65/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 7001] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 5 [pid 5065] <... unlink resumed>) = 0 [pid 7007] <... openat resumed>) = 3 [pid 7004] <... futex resumed>) = 1 [pid 7003] <... openat resumed>) = 4 [pid 7002] <... futex resumed>) = 0 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(5, "", [pid 5065] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7007] write(3, "1000", 4 [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7007] <... write resumed>) = 4 [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 7001] <... futex resumed>) = 0 [pid 5068] getdents64(5, [pid 7007] close(3 [pid 7004] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 7003] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] newfstatat(AT_FDCWD, "./64/file0", [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7007] <... close resumed>) = 0 [pid 7007] symlink("/dev/binderfs", "./binderfs" [pid 7003] sendfile(4, 4, NULL, 7 [pid 7001] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(5, [pid 5065] <... openat resumed>) = 4 [pid 7007] <... symlink resumed>) = 0 [pid 7004] <... open resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(4, "", [pid 5061] <... umount2 resumed>) = 0 [pid 5068] close(5) = 0 [pid 5068] rmdir("./65/file1/work" [pid 5061] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7007] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 7007] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 7004] fcntl(-1, F_SETFL, O_RDONLY [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 7004] <... fcntl resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... futex resumed>) = 0 [pid 7007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7004] <... futex resumed>) = 0 [ 102.265091][ T7003] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [ 102.299072][ T7004] overlayfs: "xino=on" is useless with all layers on same fs, ignore. [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] getdents64(4, [pid 7007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] umount2("./65/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(AT_FDCWD, "./63/bus", [pid 7007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] close(4 [pid 7007] <... mmap resumed>) = 0x7fef411b2000 [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7007] mprotect(0x7fef411b3000, 131072, PROT_READ|PROT_WRITE [pid 7004] <... futex resumed>) = 0 [pid 7002] <... futex resumed>) = 1 [pid 5068] newfstatat(AT_FDCWD, "./65/file1/index", [pid 5065] rmdir("./64/file0" [pid 5061] umount2("./63/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7007] <... mprotect resumed>) = 0 [pid 7004] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_TRUNC|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7007] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7004] <... openat resumed>) = 4 [pid 5068] umount2("./65/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7007] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7004] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... rmdir resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 7007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411d2990, parent_tid=0x7fef411d2990, exit_signal=0, stack=0x7fef411b2000, stack_size=0x20300, tls=0x7fef411d26c0} [pid 7004] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./65/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7002] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 5 [pid 5061] newfstatat(4, "", ./strace-static-x86_64: Process 7009 attached [pid 7004] sendfile(4, 4, NULL, 7 [pid 7002] <... futex resumed>) = 0 [pid 5068] newfstatat(5, "", [pid 5065] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7009] rseq(0x7fef411d2fe0, 0x20, 0, 0x53053053 [pid 7007] <... clone3 resumed> => {parent_tid=[7009]}, 88) = 7009 [pid 7002] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] <... rseq resumed>) = 0 [pid 7007] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] newfstatat(AT_FDCWD, "./64/file1", [pid 7009] set_robust_list(0x7fef411d29a0, 24 [pid 7007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... set_robust_list resumed>) = 0 [pid 7007] <... futex resumed>) = 0 [pid 5068] getdents64(5, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, [pid 7009] rt_sigprocmask(SIG_SETMASK, [], [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5065] umount2("./64/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 3 entries */, 32768) = 80 [pid 7009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] getdents64(5, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./63/bus/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] mkdir("./file0", 000 [pid 5068] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 5065] openat(AT_FDCWD, "./64/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(5 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./65/file1/index" [pid 5061] newfstatat(AT_FDCWD, "./63/bus/file0", [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", [pid 5061] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7009] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5061] unlink("./63/bus/file0" [pid 5068] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 4 entries */, 32768) = 104 [pid 5061] <... unlink resumed>) = 0 [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4 [pid 5065] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] mkdir("./bus", 000 [pid 5065] newfstatat(AT_FDCWD, "./64/file1/work", [pid 5068] <... close resumed>) = 0 [pid 5061] getdents64(4, [pid 7009] <... mkdir resumed>) = 0 [pid 5068] rmdir("./65/file1" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./64/file1/work", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] <... futex resumed>) = 1 [pid 5061] close(4 [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... close resumed>) = 0 [pid 7007] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] openat(AT_FDCWD, "./64/file1/work", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] rmdir("./63/bus" [pid 7009] <... futex resumed>) = 0 [pid 7007] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] close(3 [pid 5065] <... openat resumed>) = 5 [pid 7009] mkdir("./file1", 000 [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] newfstatat(5, "", [pid 5061] <... rmdir resumed>) = 0 [pid 7009] <... mkdir resumed>) = 0 [pid 7001] <... futex resumed>) = 0 [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] rmdir("./65" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7001] <... mmap resumed>) = 0x7fef41191000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] getdents64(5, [pid 5061] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7009] mount(NULL, "./bus", "overlay", 0, "workdir=./file1,lowerdir=./file0,upperdir=./bus,xino=on" [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] <... mprotect resumed>) = 0 [pid 5068] mkdir("./66", 0777 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... mkdir resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./63/binderfs", [pid 7001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./63/binderfs"./strace-static-x86_64: Process 7011 attached [pid 5065] getdents64(5, [pid 5061] <... unlink resumed>) = 0 [pid 7001] <... clone3 resumed> => {parent_tid=[7011]}, 88) = 7011 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 7011] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 7001] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] close(5 [pid 7011] <... rseq resumed>) = 0 [pid 7001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... close resumed>) = 0 [pid 5061] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7011] set_robust_list(0x7fef411b19a0, 24 [pid 5065] rmdir("./64/file1/work" [pid 7001] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 7011] <... set_robust_list resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7011] rt_sigprocmask(SIG_SETMASK, [], [pid 7001] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./63/file0", [pid 7011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7001] futex(0x7fef4129c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7012 attached [pid 7011] sendfile(3, 4, NULL, 281474978811911 [pid 5068] <... clone resumed>, child_tidptr=0x555555f85690) = 7012 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7012] set_robust_list(0x555555f856a0, 24 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7012] <... set_robust_list resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7012] chdir("./66" [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 7012] <... chdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] getdents64(4, [pid 7012] <... prctl resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 2 entries */, 32768) = 48 [pid 7012] setpgid(0, 0 [pid 7002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7002] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] <... setpgid resumed>) = 0 [pid 7002] <... futex resumed>) = 0 [pid 5061] getdents64(4, [pid 7012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7012] <... openat resumed>) = 3 [pid 7002] <... mmap resumed>) = 0x7fef41191000 [pid 5061] close(4) = 0 [pid 7002] mprotect(0x7fef41192000, 131072, PROT_READ|PROT_WRITE [pid 5065] newfstatat(AT_FDCWD, "./64/file1/index", [pid 5061] rmdir("./63/file0" [pid 7012] write(3, "1000", 4 [pid 7011] <... sendfile resumed>) = 4 [pid 7003] <... sendfile resumed>) = 4 [pid 7002] <... mprotect resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7011] futex(0x7fef4129c3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./64/file1/index", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7011] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = 0 [pid 7012] <... write resumed>) = 4 [pid 7011] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... mount resumed>) = 0 [pid 7003] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7001] exit_group(0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... rmdir resumed>) = 0 [pid 7011] <... futex resumed>) = ? [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... exit_group resumed>) = ? [pid 5065] openat(AT_FDCWD, "./64/file1/index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7012] close(3 [pid 7011] +++ exited with 0 +++ [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 5 [pid 7012] <... close resumed>) = 0 [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = ? [pid 7002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] newfstatat(5, "", [pid 5061] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7012] symlink("/dev/binderfs", "./binderfs" [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7009] unlink(NULL [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(5, [pid 7012] <... symlink resumed>) = 0 [pid 7009] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 7002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fef411b1990, parent_tid=0x7fef411b1990, exit_signal=0, stack=0x7fef41191000, stack_size=0x20300, tls=0x7fef411b16c0} [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 2 entries */, 32768) = 48 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(5, [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f967b0 /* 0 entries */, 32768) = 0 [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(5 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 7009] chdir("./bus" [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./64/file1/index" [pid 7009] <... chdir resumed>) = 0 [pid 7003] +++ exited with 0 +++ [pid 7001] +++ exited with 0 +++ [pid 5065] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7014 attached [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 5061] newfstatat(AT_FDCWD, "./63/file1", [pid 7014] rseq(0x7fef411b1fe0, 0x20, 0, 0x53053053 [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555555f8e770 /* 0 entries */, 32768) = 0 [pid 7014] <... rseq resumed>) = 0 [pid 7009] futex(0x7fef4129c3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7014] set_robust_list(0x7fef411b19a0, 24 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 7014] <... set_robust_list resumed>) = 0 [pid 7009] open("./file0", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 7007] futex(0x7fef4129c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./64/file1" [pid 7014] rt_sigprocmask(SIG_SETMASK, [], [pid 7012] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... open resumed>) = 3 [pid 7002] <... clone3 resumed> => {parent_tid=[7014]}, 88) = 7014 [pid 5065] <... rmdir resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7001, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5061] umount2("./63/file1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7014] futex(0x7fef4129c3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] getdents64(3, 0x555555f86730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7002] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] rmdir("./64" [pid 5062] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7012] rt_sigaction(SIGRT_1, {sa_handler=0x7fef412381b0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fef41229330}, [pid 7009] futex(0x7fef4129c3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7012] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7009] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7002] futex(0x7fef4129c3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] mkdir("./65", 0777 [pid 5062] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... openat resumed>) = 4 [pid 7014] <... futex resumed>) = 0 [pid 7012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7009] fcntl(-1, F_SETFL, O_RDONLY [pid 7007] futex(0x7fef4129c3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... futex resumed>) = 1 [pid 5062] <... openat resumed>) = 3 [pid 5061] newfstatat(4, "", [pid 7014] sendfile(3, 4, NULL, 281474978811911